{"id":10077,"date":"2025-11-12T14:49:54","date_gmt":"2025-11-12T14:49:54","guid":{"rendered":"https:\/\/allin.online\/standard\/lluniau-testun-amgen-a-disgrifiadau-o-luniau\/"},"modified":"2026-10-07T15:02:33","modified_gmt":"2026-10-07T15:02:33","slug":"lluniau-testun-amgen-a-disgrifiadau-o-luniau","status":"publish","type":"standard","link":"https:\/\/allin.online\/cy\/standard\/cyfathrebu-digidol\/defnyddioldeb-cynnwys\/lluniau-testun-amgen-a-disgrifiadau-o-luniau\/","title":{"rendered":"Lluniau, Testun Amgen a Disgrifiadau o Luniau"},"content":{"rendered":"\n<div class=\"wp-block-ace-standard-fixed-content flex content-content bg_white padding indent two-column\"><div class=\"content_wrapper\"><h3 id=\"page_sub_nav\" class=\"mobile_only\">2.03 Lluniau, Testun Amgen a Disgrifiadau o Luniau<\/h3><select aria-labelledby=\"page_sub_nav\" class=\"mobile_only\" id=\"nav_select\"><option value=\"#overview\">Trosolwg<\/option><option value=\"#examples\">Enghraifft ymarferol<\/option><option value=\"#key_considerations\">Ystyriaethau allweddol<\/option><option value=\"#definitions_list\">Diffiniadau ac acronymau<\/option><option value=\"#learning_resources\">Adnoddau dysgu<\/option><option value=\"#linked_standards\">Safonau cysylltiedig<\/option><option value=\"#references\">Cyfeiriadau allanol<\/option><\/select><div class=\"action_links mobile_only\"><a href=\"https:\/\/form.jotform.com\/252393341563356?standard=Cyfathrebu Digidol 2.03 Lluniau, Testun Amgen a Disgrifiadau o Luniau\" class=\"feedback_link button bg_secondary white\">Rhowch adborth i ni ar y Safon hon<\/a><a href=\"https:\/\/allin.online\/cy\/standard\/cyfathrebu-digidol\/\" class=\"return_link\">Yn \u00f4l i Cyfathrebu Digidol<\/a><\/div>\n<div id=\"overview\" class=\"wp-block-ace-standard-overview standard-content\"><h3>Trosolwg<\/h3>\n<p class=\"wp-block-paragraph\">Mewn lleoliadau creadigol a diwylliannol, mae lluniau yn gwneud mwy nag addurno tudalen wag. Maen nhw\u2019n adrodd straeon, yn mynegi hunaniaeth brand, yn arddangos gwaith, yn dathlu pobl ac yn dehongli. Ond, os nad yw\u2019r lluniau\u2019n hygyrch, maen nhw\u2019n gallu creu rhwystrau. Mae gwybod sut i sicrhau bod lluniau\u2019n hygyrch yn gallu bod yn heriol mewn cyd-destunau creadigol lle mae\u2019r llun yn cyflawni sawl peth.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Un peth sy\u2019n aml yn achosi dryswch yw\u2019r gwahaniaeth rhwng <span data-definition=\"testun-amgen\" data-definition-id=\"9537\" title=\"Testun amgen\" data-definition-name=\"Alt text\" class=\"ace-definition-inserter\"><\/span>, <span data-definition=\"disgrifiadau-o-lun\" data-definition-id=\"9863\" title=\"Disgrifiadau o lun\" data-definition-name=\"Image descriptions\" class=\"ace-definition-inserter\"><\/span>, a<span data-definition=\"delweddau-addurnol\" data-definition-id=\"9844\" title=\"Delweddau addurnol\" data-definition-name=\"Decorative images\" class=\"ace-definition-inserter\"><\/span>:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Mae testun amgen yn ddisgrifiad byr y mae<span data-definition=\"rhaglen-darllen-sgrin\" data-definition-id=\"9720\" title=\"Rhaglen darllen sgrin\" data-definition-name=\"Screen reader\" class=\"ace-definition-inserter\"><\/span>yn ei ddarllen yn uchel pan fydd yn cyrraedd llun. Nid yw\u2019n weladwy ar y sgrin.<\/li>\n\n\n\n<li>Mae disgrifiadau o luniau yn darparu disgrifiad manwl o\u2019r wybodaeth sy\u2019n weledol mewn llun. Cyflwynir hyn yng nghorff tudalen we.<\/li>\n\n\n\n<li>Mae lluniau addurniadol yn ychwanegu at steil neu awyrgylch tudalen we, ond nid ydynt yn rhoi gwybodaeth ystyrlon. Dylai\u2019r rhain gael eu cuddio oddi wrth ddarllenwyr sgrin.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Mae defnyddio testun amgen a disgrifiadau o luniau yn glir a chyson yn hanfodol. Mae hyn yn helpu pawb i gael gafael ar gynnwys gweledol, gan gynnwys y rheini sy\u2019n defnyddio darllenwyr sgrin, pobl sydd \u00e2 golwg gwan, neu bobl sy\u2019n prosesu gwybodaeth weledol yn wahanol.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Profwch  gynnwys llun gyda defnyddwyr darllenydd sgrin neu gofynnwch am adborth pan fo hynny\u2019n bosibl. Gweler<a href=\"https:\/\/allin.online\/cy\/standard\/cyfathrebu-digidol\/monitro-a-gwelliant-parhaus\/archwiliadau-profi-ac-adborth\/\">Cyfathrebu Digidol 6.04 Archwiliadau, Profi ac Adborth <\/a>i gael rhagor o fanylion.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Sicrhewch eich bod yn defnyddio testun amgen neu ddisgrifiadau o luniau mewn ffordd briodol ar draws gwahanol lwyfannau cyfryngau cymdeithasol. I gael rhagor o wybodaeth, gweler<a href=\"https:\/\/allin.online\/cy\/standard\/cyfathrebu-digidol\/fformatau-eraill\/cyfryngau-cymdeithasol\/\">Cyfathrebu Digidol 5.02 Cyfryngau Cymdeithasol<\/a>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Drwy ddilyn arferion hygyrch wrth ddelio \u00e2 lluniau, mae sefydliadau yn gwneud eu cynnwys gweledol yn fwy cynhwysol, parchus a chroesawgar, a hynny heb beryglu creadigrwydd.<\/p>\n<\/div>\n\n\n\n<div id=\"examples\" class=\"wp-block-ace-standard-examples bg_grey inner-padding standard-examples\"><h3>Enghraifft ymarferol<\/h3>\n<h4 class=\"wp-block-ace-heading wp-block-ace-intro content-intro\"><\/h4>\n\n\n\n<div class=\"wp-block-ace-standard-example standard-example\">\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-8f761849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<div class=\"wp-block-ace-image content-image alt-block\"><\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<div class=\"wp-block-ace-content-blocks border-top\">\n<div class=\"wp-block-ace-intro content-intro\"><p>Llun o ddynes yn sefyll ar ei phen ei hun mewn coedwig yn y nos. Mae hi\u2019n gwisgo c\u00f4t hir ac yn dal lantern olau sy\u2019n goleuo ei hwyneb a\u2019r llwybr o\u2019i blaen. Mae\u2019r olygfa yn dawel ac yn llawn tensiwn, ac yn cynnwys lliwiau glas a gwyrdd. Y golau o\u2019r lantern yw\u2019r unig ran sy\u2019n creu cynhesrwydd.<\/p><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-ace-standard-example standard-example\">\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-8f761849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<div class=\"wp-block-ace-content-blocks border-top\">\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/www.rnib.org.uk\/campaign-with-us\/alt-text-campaign\/how-can-i-write-alt-text\/\">Mae RNIB yn cynnig canllawiau ar gyfer ysgrifennu<\/a><span data-definition=\"testun-amgen\" data-definition-id=\"9537\" title=\"Testun amgen\" data-definition-name=\"Alt text\" class=\"ace-definition-inserter\"><\/span> mewn iaith syml ar gyfer pob math o gynnwys, gan gynnwys lluniau, gwaith celf a diagramau.<\/li>\n\n\n\n<li>Mae\u2019r<a href=\"https:\/\/wellcomecollection.org\/guides\/exhibitions\/in-plain-sight\/captions-and-transcripts\">Wellcome Collection<\/a> yn defnyddio testun amgen clir a <span data-definition=\"disgrifiadau-o-lun\" data-definition-id=\"9863\" title=\"Disgrifiadau o lun\" data-definition-name=\"Image descriptions\" class=\"ace-definition-inserter\"><\/span>hirach ar gyfer arddangosfeydd digidol, gan sicrhau bod delweddau allweddol yn hygyrch i bob ymwelydd.<\/li>\n\n\n\n<li>Mae <a href=\"https:\/\/vocaleyes.co.uk\/\">VocalEyes <\/a>yn darparu canllawiau ac adnoddau ar sut i ddisgrifio lluniau, gan gynnwys enghreifftiau o <a href=\"https:\/\/vocaleyes.co.uk\/example-of-image-descriptions\/\">ddisgrifiadau o luniau<\/a>.<\/li>\n<\/ul>\n\n\n\n<div class=\"wp-block-ace-intro content-intro\"><p><\/p><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<div id=\"key_considerations\" class=\"wp-block-ace-standard-key-considerations standard-key-considerations standard-content\"><h3>Ystyriaethau allweddol<\/h3>\n<p class=\"wp-block-paragraph\">Mae\u2019n iawn i<span title=\"Testun amgen\" data-definition-name=\"Alt text\" data-definition=\"testun-amgen\" data-definition-id=\"9537\" class=\"ace-definition-inserter\"><\/span>a<span title=\"Disgrifiadau o lun\" data-definition-name=\"Image descriptions\" data-definition=\"disgrifiadau-o-lun\" data-definition-id=\"9863\" class=\"ace-definition-inserter\"><\/span>rannu rhai pwyntiau allweddol, ond dylai\u2019r testun amgen fod yn gryno. Meddyliwch am destun amgen fel penawdau, a\u2019r disgrifiadau o luniau fel y stori lawn.<\/p>\n\n\n\n<h4 class=\"wp-block-ace-heading\">Testun amgen<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Diben<span title=\"Testun amgen\" data-definition-name=\"Alt text\" data-definition=\"testun-amgen\" data-definition-id=\"9537\" class=\"ace-definition-inserter\"><\/span> yw rhoi crynodeb byr a defnyddiol o lun i ddefnyddwyr<span data-definition=\"rhaglen-darllen-sgrin\" data-definition-id=\"9720\" title=\"Rhaglen darllen sgrin\" data-definition-name=\"Screen reader\" class=\"ace-definition-inserter\"><\/span>. Dylai ddweud wrth rywun beth y mae angen iddynt ei wybod am y llun, beth mae\u2019r llun yn ei ddangos neu yn ei olygu yng nghyd-destun y dudalen. Dylai ddefnyddio llai na 125 nod.<br>Cofiwch gynnwys unrhyw destun o\u2019r llun, fel sydd ar bosteri neu daflenni, yn y testun amgen. Os yw\u2019r llun dangos bloc hir o destun, rhowch ddisgrifiad o\u2019r llun yn lle. Dylech geisio osgoi defnyddio\u2019r un testun yn y testun amgen. Yn hytrach, dywedwch rywbeth fel, \u201cdisgrifiad hir yn dilyn\u201d neu \u201cdisgrifiad manwl isod.\u201d Mae hyn yn cadw pethau\u2019n glir ac yn caniat\u00e1u i ddefnyddwyr sgrin ddewis a ydynt am ddarllen mwy.<br>Bydd defnyddwyr testun amgen yn deall eu bod yn gwrando ar ddisgrifiad o lun. Felly, fel arfer does dim angen i chi ddechrau gyda \u201cllun o&#8230;\u201d, gallwch fod yn fwy cryno wrth ddisgrifio.<\/p>\n\n\n\n<h4 class=\"wp-block-ace-heading\">Disgrifiadau o luniau<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Mae<span title=\"Disgrifiadau o lun\" data-definition-name=\"Image descriptions\" data-definition=\"disgrifiadau-o-lun\" data-definition-id=\"9863\" class=\"ace-definition-inserter\"><\/span>, a elwir hefyd yn ddisgrifiadau hir, yn darparu manylion neu ddehongliad ychwanegol. Maen nhw\u2019n arbennig o ddefnyddiol mewn cyd-destunau creadigol neu ddiwylliannol. Mae hyn yn bwysig ar gyfer delweddau cymhleth, gwaith llawn mynegiant neu waith sy\u2019n rhan ganolog o ystyr y dudalen, fel gwaith celf, ffeithluniau neu luniau theatr.<br> Dylech gynnwys unrhyw destun o\u2019r llun yn y disgrifiad o\u2019r llun. Er enghraifft logo sy\u2019n ddyfrnod ar bob llun. <br>Dylech gynnwys y disgrifiadau hyn o dan neu drws nesa i\u2019r llun ar yr un dudalen. Cofiwch osgoi eu cuddio nhw mewn cod ar gyfer<span data-definition=\"rhaglen-darllen-sgrin\" data-definition-id=\"9720\" title=\"Rhaglen darllen sgrin\" data-definition-name=\"Screen reader\" class=\"ace-definition-inserter\"><\/span>. Os oes llawer o ddisgrifiadau, dylech ystyried creu dolen i dudalen neu adnodd ar wah\u00e2n.<\/p>\n\n\n\n<h4 class=\"wp-block-ace-heading\">Sut i ddisgrifio lluniau<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Wrth ddisgrifio pobl, cofiwch sicrhau eich bod yn parchu eu hunaniaeth ac yn adlewyrchu hyn yn gywir. Dylech osgoi gwneud tybiaethau am eu hethnigrwydd, oedran, neu hunaniaeth o ran rhywedd.<br> Ar gyfer lluniau o berfformiad, canolbwyntiwch ar y teimlad gweledol a\u2019r elfennau sy\u2019n adrodd stori. Dylech roi sylw i fynegiant wyneb, symudiad, gwisgoedd a\u2019r golau.<br>Mewn gweithiau celf, dylech drafod y cyfansoddiad a\u2019r arddull neu\u2019r teimlad. Defnyddiwch iaith glir a niwtral.<br>Gofynnwch i artistiaid, curaduron a thimau marchnata i ysgrifennu neu adolygu\u2019r disgrifiadau, yn enwedig pan fydd gan y llun ystyr creadigol neu ddehongliadol.<\/p>\n\n\n\n<h4 class=\"wp-block-ace-heading\">Defnyddiwch luniau sydd \u00e2 phwrpas<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Wrth ychwanegu llun, dylech ystyried pam eich bod yn ei ddefnyddio. Ydi\u2019r llun yn helpu rhywun i ddeall y digwyddiad, yn dangos perfformiad neu\u2019n rhoi hwb i\u2019ch brand? Neu ai addurn yw\u2019r llun, sy\u2019n ychwanegu ap\u00eal weledol i\u2019r rhai sy\u2019n ei weld?<br> Dylai\u2019r ffordd rydych chi\u2019n cyflwyno llun gyd-fynd \u00e2\u2019i bwrpas. Er enghraifft, gallwch gynnwys llun ger rhestr o ddigwyddiadau i fod yn gwbl glir. Gall oriel ddangos casgliad o weithiau celf. Gallwch hefyd gynnwys llun o fewn testun i gryfhau eich neges.<\/p>\n\n\n\n<h4 class=\"wp-block-ace-heading\">Lluniau addurniadol<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Os nad yw llun yn darparu gwybodaeth bwysig i ddefnyddwyr <span data-definition=\"rhaglen-darllen-sgrin\" data-definition-id=\"9720\" title=\"Rhaglen darllen sgrin\" data-definition-name=\"Screen reader\" class=\"ace-definition-inserter\"><\/span>, gallwch nodi ei fod yn addurniadol. Er mwyn gwneud hyn, dylech gynnwys tag testun amgen gwag yn eich cod. Mae hyn yn galluogi darllenwyr sgrin i anwybyddu\u2019r llun. Mae rhai gwefannau hefyd yn cynnig opsiwn parod i nodi llun fel llun addurniadol. Gallwch wneud hyn yn hytrach nag ychwanegu <span title=\"Testun amgen\" data-definition-name=\"Alt text\" data-definition=\"testun-amgen\" data-definition-id=\"9537\" class=\"ace-definition-inserter\"><\/span>.<\/p>\n\n\n\n<h4 class=\"wp-block-ace-heading\">Siartiau, diagramau, graffiau a ffeithluniau<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Ni ddylai siartiau, diagramau, graffiau a<span data-definition=\"ffeithluniau\" data-definition-id=\"9864\" title=\"Ffeithluniau\" data-definition-name=\"Infographics\" class=\"ace-definition-inserter\"><\/span>ddibynnu ar ddata gweledol. Mae\u2019n well cynnwys disgrifiadau ysgrifenedig o\u2019r un wybodaeth. Gallwch gyflwyno hyn fel crynodeb sy\u2019n tynnu sylw at y prif bwyntiau, oni bai fod ffigurau manwl yn bwysig. Gall y manylion hyn fod ar gael drwy gais neu ddolen at adnodd arall.<\/p>\n\n\n\n<h4 class=\"wp-block-ace-heading\">Orielau a Charws\u00e9l o luniau <\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Mae <span title=\"Carwselau\" data-definition-name=\"Carousels\" data-definition=\"carwselau\" data-definition-id=\"9838\" class=\"ace-definition-inserter\"><\/span> o luniau, yn enwedig y rheini sy\u2019n symud yn awtomatig, yn gallu bod yn anodd ei defnyddio \u00e2 <span data-definition=\"rhaglen-darllen-sgrin\" data-definition-id=\"9720\" title=\"Rhaglen darllen sgrin\" data-definition-name=\"Screen reader\" class=\"ace-definition-inserter\"><\/span>a rheolyddion bysellfwrdd. Efallai y byddant hefyd yn tynnu sylw defnyddwyr sydd ag anghenion synhwyraidd.<br>Mae ymchwil yn dangos mai dim ond gyda\u2019r sleid gyntaf y mae\u2019r rhan fwyaf o bobl yn ymgysylltu. Yn hytrach na defnyddio carwselau, beth am ddefnyddio oriel syml neu ddewis un llun da i gefnogi eich cynnwys.<br> Os ydych chi\u2019n defnyddio unrhyw gynnwys sy\u2019n symud yn awtomatig, fel carws\u00e9l neu fideo, cofiwch sicrhau bod defnyddwyr yn gallu ei stopio a\u2019i ailddechrau.<\/p>\n\n\n\n<h4 class=\"wp-block-ace-heading\">Defnyddio lluniau neu logos fel dolenni<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Os yw llun hefyd yn ddolen, dylai\u2019r <span title=\"Testun amgen\" data-definition-name=\"Alt text\" data-definition=\"testun-amgen\" data-definition-id=\"9537\" class=\"ace-definition-inserter\"><\/span> ddisgrifio i le mae\u2019r ddolen yn mynd, nid dim ond sut mae\u2019r ddelwedd yn edrych.<br>Er enghraifft, os yw eich logo yn cysylltu \u00e2\u2019ch hafan, defnyddiwch destun amgen fel \u201cHafan\u201d.<br>Mae hyn yn helpu defnyddwyr<span data-definition=\"rhaglen-darllen-sgrin\" data-definition-id=\"9720\" title=\"Rhaglen darllen sgrin\" data-definition-name=\"Screen reader\" class=\"ace-definition-inserter\"><\/span> i wybod ble bydd y ddolen yn mynd \u00e2 nhw. Peidiwch ag ysgrifennu disgrifiad gweledol os nad yw\u2019n helpu rhywun i ddeall pwrpas y ddolen.<br><a href=\"https:\/\/example.com\"><\/a><\/p>\n<\/div>\n\n\n\n<div id=\"specification_table\" class=\"wp-block-ace-specification-table bg_white specification_table hide\"><h3>Safon- manylebau<\/h3><div class=\"bg_grey inner-padding\"><table class=\"specification-table\"><tbody><\/tbody><\/table><\/div><\/div>\n\n\n\n<div id=\"influencing_accessible_practice\" class=\"wp-block-ace-standard-influencing-accessible-practice standard-influencing-accessible-practice standard-content hide\"><h3>Dylanwadu ar arferion hygyrch<\/h3>\n<h4 class=\"wp-block-ace-heading\"><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n<\/div>\n\n\n\n<div id=\"definitions_list\" class=\"wp-block-ace-definitions-list bg_white\"><h3>Diffiniadau ac acronymau<\/h3><div class=\"ace-definitions-list bg_grey inner-padding\"><div class=\"ace-definition-item\"><h4>Carwselau<\/h4><div><p>Cyfres o luniau (ar wefan fel rheol) sy&#8217;n cylchdroi yn awtomatig neu \u00e2 llaw o un i&#8217;r nesaf. Defnyddir y rhain yn aml ar gyfer cynnwys blaenllaw neu sy&#8217;n cael ei hyrwyddo ond gallant achosi problemau mynediad i ddefnyddwyr rhaglenni darllen sgrin, defnyddwyr bysellfwrdd, a&#8217;r rhai \u00e2 rhwystrau prosesu synhwyraidd.<\/p>\n<\/div><\/div><div class=\"ace-definition-item\"><h4>Delweddau addurnol<\/h4><div><p>Delwedd sy&#8217;n ychwanegu steil neu awyrgylch weledol ond nad yw&#8217;n rhoi gwybodaeth ystyrlon. Dylid cuddio&#8217;r rhain oddi wrth raglenni darllen sgrin gan ddefnyddio nodwedd amgen wag (alt=&#8221;&#8221;).<\/p>\n<\/div><\/div><div class=\"ace-definition-item\"><h4>Disgrifiadau o lun<\/h4><div><p>Gwybodaeth ysgrifenedig yw disgrifiad o lun, sy&#8217;n cynnig disgrifiad cyfoethog o&#8217;r wybodaeth weledol mewn llun. Gellir argraffu hwn yn ffisegol neu fod mewn cyfryngau digidol. Fe&#8217;i harddangosir yng nghorff tudalen we, yn aml mewn pennawd nesaf at y llun, neu yng nghorff neges ar gyfryngau cymdeithasol. Bydd disgrifiadau o luniau yn aml yn rhoi mwy o fanylion na thestun amgen (nad yw&#8217;n cael ei arddangos ar dudalen we), ond ni ddylai ailadrodd y cynnwys a gyflwynir yn y testun amgen.<\/p>\n<\/div><\/div><div class=\"ace-definition-item\"><h4>Ffeithluniau<\/h4><div><p>Llun sy&#8217;n cyflwyno data neu wybodaeth gan ddefnyddiau delweddau a thestun. Dylai ffeithluniau fod \u00e2 fersiwn ysgrifenedig lawn o&#8217;r un wybodaeth.<\/p>\n<\/div><\/div><div class=\"ace-definition-item\"><h4>Rhaglen darllen sgrin<\/h4><div><p>Offer meddalwedd sy&#8217;n darllen cynnwys o wefannau, dogfennau, ac apiau ar lafar, gan gynnwys testun amgen a disgrifiadau o luniau. Defnyddwyr rhaglenni darllen sgrin yn aml gan bobl ddall a phobl ag amhariad golwg, pobl niwrowahanol, ac eraill.<\/p>\n<\/div><\/div><div class=\"ace-definition-item\"><h4>Testun amgen<\/h4><div><p>Disgrifiad cryno wedi&#8217;i godio yw testun amgen y mae rhaglenni darllen sgrin yn ei ddarllen ar lafar pan fyddant yn cyrraedd llun. Ni ellir gweld testun amgen ar y sgrin ond mae&#8217;n rhoi mynediad i&#8217;r hyn y mae&#8217;n ei ddangos neu&#8217;n ei olygu mewn cyd-destun i bobl nad ydynt yn gallu gweld y llun.<\/p>\n<\/div><\/div><\/div><\/div>\n\n\n\n<div id=\"learning_resources\" class=\"wp-block-ace-standard-learning-resources standard-content\"><h3>Adnoddau dysgu<\/h3><div class=\"links-on-newtab-text\"><\/div>\n<h4 class=\"wp-block-ace-heading\">Adrannau WCAG perthnasol&nbsp;<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/www.w3.org\/WAI\/WCAG21\/Understanding\/non-text-content.html\">1.1.1 Cynnwys nad yw\u2019n destun (Lefel A)<\/a> Rhaid i bob llun ystyrlon gael testun amgen. Rhaid i ddarllenwyr sgrin allu anwybyddu lluniau addurniadol.<\/li>\n\n\n\n<li><a href=\"https:\/\/www.w3.org\/WAI\/WCAG21\/Understanding\/images-of-text\">1.4.5 Lluniau o Destun (Lefel AA)<\/a> Peidiwch \u00e2 defnyddio lluniau o destun oni bai fod y testun yn hanfodol neu yno am reswm.<\/li>\n\n\n\n<li><a href=\"https:\/\/www.w3.org\/WAI\/WCAG22\/Understanding\/info-and-relationships.html\">1.3.1 Gwybodaeth a Pherthnasoedd (Lefel A) <\/a> Mae testun amgen yn helpu i gadw\u2019r ystyr a strwythur ar gyfer defnyddwyr technoleg gynorthwyol.<\/li>\n\n\n\n<li><a href=\"https:\/\/www.w3.org\/WAI\/WCAG21\/Understanding\/link-purpose-in-context.html\">2.4.4 Pwrpas Dolen (Mewn Cyd-destun) (Lefel A) <\/a> Mae testun amgen disgrifiadol yn cefnogi eglurder pan fo llun yn cael ei ddefnyddio fel dolen.<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-ace-heading\">Rhagor o adnoddau<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/aaardvarkaccessibility.com\/wcag-plain-english\/\">AAArdvark: WCAG mewn Saesneg Syml<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/design102.blog.gov.uk\/2022\/01\/14\/whats-the-alternative-how-to-write-good-alt-text\/\">GOV.UK: Beth yw\u2019r dewis arall? Sut i ysgrifennu Testun Amgen yn dda<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/www.rnib.org.uk\/campaign-with-us\/alt-text-campaign\/how-can-i-write-alt-text\/\">RNIB: Sut alla i Ysgrifennu Testun Amgen?<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/supercooldesign.co.uk\/articles\/how-to-write-good-alt-text\">Supercool: Sut i Ysgrifennu Testun Amgen yn Dda<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/vocaleyes.co.uk\/example-of-image-descriptions\/\">VocalEyes: Enghreifftiau o Ddisgrifiadau o Luniau<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/wellcomecollection.org\/guides\/exhibitions\/in-plain-sight\/captions-and-transcripts\">Wellcome Collection: Testun Arddangosfa In Plain Sight <\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/www.w3.org\/WAI\/tutorials\/images\/decision-tree\/\">W3C: Coeden Benderfynu Testun Amgen<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/www.w3.org\/WAI\/tutorials\/images\/decorative\/\">W3C: Lluniau Addurniadol<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/dequeuniversity.com\/curriculum\/instructor-led\/content\">Hygyrchedd a Chrewyr Cynnwys, Prifysgol Deque<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/www.w3.org\/WAI\/tutorials\/carousels\/\">Tiwtorial Carws\u00e9l WC3 <\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/accessibility.huit.harvard.edu\/data-viz-charts-graphs\">Prifysgol Harvard, Deall Delweddu Data, Siartiau a Graffiau<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/www.gov.uk\/government\/publications\/a-bite-sized-guide-to-visualising-data-a-dstl-biscuit-book\/a-bite-sized-guide-to-visualising-data\">GOV.UK: Canllaw cryno ar ddelweddu data<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/learn.attitudeiseverything.org.uk\/mod\/lesson\/view.php?id=458&amp;pageid=189&amp;startlastseen=yes\"> Siarter Mynediad Digwyddiadau Byw Attitude is Everything (2025): Llais Allanol: Dyluniad Digidol<\/a><\/li>\n<\/ul>\n<\/div>\n\n\n\n<div id=\"skills_development\" class=\"wp-block-ace-standard-skills-development standard-skills-development standard-content hide\"><h3>Cymorth a datblygu sgiliau<\/h3>\n<h4 class=\"wp-block-ace-heading\"><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n<\/div>\n\n\n\t<div id=\"linked_standards\" class=\"wp-block page-links wp-block-ace-linked-standards \">\n\t\t\t<h3 class=\"block-title\">\n\t\t\t\tSafonau cysylltiedig\t\t\t<\/h3>\n\t\t\t\t\t\t<div class='flex flex_50 link_blocks'>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"flex_item post_item bg_grey--dark\">\n\t\t\t\t\t\t\t<picture class=\"featured-img alt-block\">\n\t\t\t\t\t\t\t\t<img decoding=\"async\" src=\"https:\/\/allin.online\/wp-content\/themes\/ace\/assets\/fallback.jpeg\" alt=\"Llun dalfan\" \/>\t\t\t\t\t\t\t\t<div class = \"alt_block\">\n\t\t\t\t\t\t\t\t\t<button class=\"alt_trigger\" aria-label=\"Open the Image Description\">Amgen<\/button>\n\t\t\t\t\t\t\t\t\t<div class=\"alt_modal\" id=\"0\" role=\"dialog\" aria-label=\"Image Description\" aria-describedby=\"desc_10065\">\n\t\t\t\t\t\t\t\t\t\t<p id=\"desc_10065\">Llun dalfan<\/p>\n\t\t\t\t\t\t\t\t\t\t<button class=\"close\">Cau <span class=\"screen-reader-text\">Disgrifiad Delwedd\n<\/span><\/button>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/picture>\n\t\t\t\t\t\t\t<div class=\"linked_standard--content inner-padding card\">\n\t\t\t\t\t\t\t\t<h4>5.02 Cyfryngau Cymdeithasol<\/h4>\n\t\t\t\t\t\t\t\t<p>Dylech greu cynnwys mor hygyrch \u00e2 phosibl ar gyfer y cyfryngau cymdeithasol, gyda disgrifiadau o luniau, capsiynau a thestun darllenadwy.<a href=\"\/login\" class=\"locked card_target\"><span aria-hidden=\"true\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"14.999\" height=\"18\" viewBox=\"0 0 14.999 18\">\n  <path id=\"unlock\" d=\"M13.507,7.5H3.75V5.249A3.741,3.741,0,0,1,11.022,4l1.133-1.133a5.234,5.234,0,0,0-9.9,2.378V7.5H1.493A1.5,1.5,0,0,0,0,9V16.5A1.5,1.5,0,0,0,1.493,18H13.507A1.5,1.5,0,0,0,15,16.5V9a1.5,1.5,0,0,0-1.492-1.5\" transform=\"translate(0)\" fill=\"#472961\" fill-rule=\"evenodd\"\/>\n<\/svg><br \/>\n<\/span>This content is only available to logged in users.<\/a><\/p>\n\t\t\t\t\t\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"31.832\" height=\"24\" viewBox=\"0 0 31.832 24\">\n  <path id=\"arrow\" d=\"M33.728,24.848l-10.2-10.2a1.773,1.773,0,1,0-2.508,2.508l7.189,7.189H4.272a1.772,1.772,0,0,0,0,3.545H28.178L21.022,35.08a1.755,1.755,0,0,0,0,2.508,1.827,1.827,0,0,0,1.271.536,1.747,1.747,0,0,0,1.271-.536L33.8,27.355a1.827,1.827,0,0,0,.536-1.271,2.283,2.283,0,0,0-.6-1.237Z\" transform=\"translate(-2.499 -14.123)\" fill=\"#472961\"\/>\n<\/svg>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t<div class=\"flex_item post_item bg_grey--dark\">\n\t\t\t\t\t\t\t<picture class=\"featured-img alt-block\">\n\t\t\t\t\t\t\t\t<img decoding=\"async\" src=\"https:\/\/allin.online\/wp-content\/themes\/ace\/assets\/fallback.jpeg\" alt=\"Llun dalfan\" \/>\t\t\t\t\t\t\t\t<div class = \"alt_block\">\n\t\t\t\t\t\t\t\t\t<button class=\"alt_trigger\" aria-label=\"Open the Image Description\">Amgen<\/button>\n\t\t\t\t\t\t\t\t\t<div class=\"alt_modal\" id=\"0\" role=\"dialog\" aria-label=\"Image Description\" aria-describedby=\"desc_10099\">\n\t\t\t\t\t\t\t\t\t\t<p id=\"desc_10099\">Llun dalfan<\/p>\n\t\t\t\t\t\t\t\t\t\t<button class=\"close\">Cau <span class=\"screen-reader-text\">Disgrifiad Delwedd\n<\/span><\/button>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/picture>\n\t\t\t\t\t\t\t<div class=\"linked_standard--content inner-padding card\">\n\t\t\t\t\t\t\t\t<h4>6.03 Mabwysiadu Canllawiau Hygyrchedd Cynnwys y We (WCAG)<\/h4>\n\t\t\t\t\t\t\t\t<p>Canllawiau Hygyrchedd Cynnwys y We (WCAG) yw\u2019r safon ryngwladol ar gyfer hygyrchedd digidol.<a href=\"\/login\" class=\"locked card_target\"><span aria-hidden=\"true\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"14.999\" height=\"18\" viewBox=\"0 0 14.999 18\">\n  <path id=\"unlock\" d=\"M13.507,7.5H3.75V5.249A3.741,3.741,0,0,1,11.022,4l1.133-1.133a5.234,5.234,0,0,0-9.9,2.378V7.5H1.493A1.5,1.5,0,0,0,0,9V16.5A1.5,1.5,0,0,0,1.493,18H13.507A1.5,1.5,0,0,0,15,16.5V9a1.5,1.5,0,0,0-1.492-1.5\" transform=\"translate(0)\" fill=\"#472961\" fill-rule=\"evenodd\"\/>\n<\/svg><br \/>\n<\/span>This content is only available to logged in users.<\/a><\/p>\n\t\t\t\t\t\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"31.832\" height=\"24\" viewBox=\"0 0 31.832 24\">\n  <path id=\"arrow\" d=\"M33.728,24.848l-10.2-10.2a1.773,1.773,0,1,0-2.508,2.508l7.189,7.189H4.272a1.772,1.772,0,0,0,0,3.545H28.178L21.022,35.08a1.755,1.755,0,0,0,0,2.508,1.827,1.827,0,0,0,1.271.536,1.747,1.747,0,0,0,1.271-.536L33.8,27.355a1.827,1.827,0,0,0,.536-1.271,2.283,2.283,0,0,0-.6-1.237Z\" transform=\"translate(-2.499 -14.123)\" fill=\"#472961\"\/>\n<\/svg>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t<div class=\"flex_item post_item bg_grey--dark\">\n\t\t\t\t\t\t\t<picture class=\"featured-img alt-block\">\n\t\t\t\t\t\t\t\t<img decoding=\"async\" src=\"https:\/\/allin.online\/wp-content\/themes\/ace\/assets\/fallback.jpeg\" alt=\"Llun dalfan\" \/>\t\t\t\t\t\t\t\t<div class = \"alt_block\">\n\t\t\t\t\t\t\t\t\t<button class=\"alt_trigger\" aria-label=\"Open the Image Description\">Amgen<\/button>\n\t\t\t\t\t\t\t\t\t<div class=\"alt_modal\" id=\"0\" role=\"dialog\" aria-label=\"Image Description\" aria-describedby=\"desc_10098\">\n\t\t\t\t\t\t\t\t\t\t<p id=\"desc_10098\">Llun dalfan<\/p>\n\t\t\t\t\t\t\t\t\t\t<button class=\"close\">Cau <span class=\"screen-reader-text\">Disgrifiad Delwedd\n<\/span><\/button>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/picture>\n\t\t\t\t\t\t\t<div class=\"linked_standard--content inner-padding card\">\n\t\t\t\t\t\t\t\t<h4>6.04 Archwiliadau, Profi, ac Adborth<\/h4>\n\t\t\t\t\t\t\t\t<p>Mae cynnal archwiliadau rheolaidd yn helpu i nodi rhwystrau, cefnogi dyluniad cynhwysol, cydymffurfio \u00e2\u2019r gyfraith a chynnal cylch o welliannau parhaus.<a href=\"\/login\" class=\"locked card_target\"><span aria-hidden=\"true\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"14.999\" height=\"18\" viewBox=\"0 0 14.999 18\">\n  <path id=\"unlock\" d=\"M13.507,7.5H3.75V5.249A3.741,3.741,0,0,1,11.022,4l1.133-1.133a5.234,5.234,0,0,0-9.9,2.378V7.5H1.493A1.5,1.5,0,0,0,0,9V16.5A1.5,1.5,0,0,0,1.493,18H13.507A1.5,1.5,0,0,0,15,16.5V9a1.5,1.5,0,0,0-1.492-1.5\" transform=\"translate(0)\" fill=\"#472961\" fill-rule=\"evenodd\"\/>\n<\/svg><br \/>\n<\/span>This content is only available to logged in users.<\/a><\/p>\n\t\t\t\t\t\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"31.832\" height=\"24\" viewBox=\"0 0 31.832 24\">\n  <path id=\"arrow\" d=\"M33.728,24.848l-10.2-10.2a1.773,1.773,0,1,0-2.508,2.508l7.189,7.189H4.272a1.772,1.772,0,0,0,0,3.545H28.178L21.022,35.08a1.755,1.755,0,0,0,0,2.508,1.827,1.827,0,0,0,1.271.536,1.747,1.747,0,0,0,1.271-.536L33.8,27.355a1.827,1.827,0,0,0,.536-1.271,2.283,2.283,0,0,0-.6-1.237Z\" transform=\"translate(-2.499 -14.123)\" fill=\"#472961\"\/>\n<\/svg>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\n\n\t<div id=\"references\" class=\"wp_block references wp-block-ace-standard-references \">\n\t\t<h3 class=\"block-title\">\n\t\t\tCyfeiriadau allanol\t\t<\/h3>\n\n\t\t<div class=\"links-on-newtab-text\"><\/div>\n\t\t<ol class=\"references-list\">\n\t\t\t\t\t\t\t<li class = \"references-list-item\"><p><span class=\"TextRun SCXW200808981 BCX8\" lang=\"EN-GB\" xml:lang=\"EN-GB\" data-contrast=\"none\"><span class=\"NormalTextRun SCXW200808981 BCX8\">Attitude is Everything (2025)\u00a0<\/span><\/span><span class=\"TextRun SCXW200808981 BCX8\" lang=\"EN-GB\" xml:lang=\"EN-GB\" data-contrast=\"none\"><span class=\"NormalTextRun SCXW200808981 BCX8\">Live Events Access Charter: Outward Voice: Digital Design. [Available at:\u00a0<\/span><\/span><a class=\"Hyperlink SCXW200808981 BCX8\" href=\"https:\/\/learn.attitudeiseverything.org.uk\/mod\/lesson\/view.php?id=458&amp;pageid=189&amp;startlastseen=yes\" target=\"_blank\" rel=\"noreferrer noopener\"><span class=\"TextRun Underlined SCXW200808981 BCX8\" lang=\"EN-GB\" xml:lang=\"EN-GB\" data-contrast=\"none\"><span class=\"NormalTextRun SCXW200808981 BCX8\" data-ccp-charstyle=\"Hyperlink\">Attitude is Everything Charter: Digital Design\u00a0<\/span><\/span><\/a><a class=\"Hyperlink SCXW200808981 BCX8\" href=\"https:\/\/learn.attitudeiseverything.org.uk\/mod\/lesson\/view.php?id=249&amp;pageid=113&amp;startlastseen=yes\" target=\"_blank\" rel=\"noreferrer noopener\"><span class=\"TextRun Underlined SCXW200808981 BCX8\" lang=\"EN-GB\" xml:lang=\"EN-GB\" data-contrast=\"none\"><span class=\"NormalTextRun SCXW200808981 BCX8\" data-ccp-charstyle=\"Hyperlink\">]<\/span><\/span><\/a><span class=\"TextRun SCXW200808981 BCX8\" lang=\"EN-GB\" xml:lang=\"EN-GB\" data-contrast=\"none\"><span class=\"NormalTextRun SCXW200808981 BCX8\">\u00a0<\/span><\/span><span class=\"TextRun SCXW200808981 BCX8\" lang=\"EN-GB\" xml:lang=\"EN-GB\" data-contrast=\"auto\"><span class=\"NormalTextRun SCXW200808981 BCX8\">\u00a0<\/span><\/span><span class=\"EOP SCXW200808981 BCX8\" data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559740&quot;:360}\">\u00a0<\/span><\/p>\n<\/li>\n\t\t\t\t\t\t\t<li class = \"references-list-item\"><p>GOV.UK (n.d.), What\u2019s the Alternative? How to Write Good Alt Text [online] Available at: <a href=\"https:\/\/design102.blog.gov.uk\/2022\/01\/14\/whats-the-alternative-how-to-write-good-alt-text\/\">GOV.UK How to write good alt text<\/a> [Accessed 19 August 2025]<\/p>\n<\/li>\n\t\t\t\t\t\t\t<li class = \"references-list-item\"><p><span class=\"TextRun SCXW94255712 BCX8\" lang=\"EN-GB\" xml:lang=\"EN-GB\" data-contrast=\"auto\"><span class=\"NormalTextRun SCXW94255712 BCX8\">RNIB (n.d.)\u00a0<\/span><\/span><span class=\"TextRun SCXW94255712 BCX8\" lang=\"EN-GB\" xml:lang=\"EN-GB\" data-contrast=\"auto\"><span class=\"NormalTextRun SCXW94255712 BCX8\">How Can I Write Alt Text?\u00a0<\/span><\/span><span class=\"TextRun SCXW94255712 BCX8\" lang=\"EN-GB\" xml:lang=\"EN-GB\" data-contrast=\"auto\"><span class=\"NormalTextRun SCXW94255712 BCX8\">[online] Available at:\u00a0<\/span><\/span><a class=\"Hyperlink SCXW94255712 BCX8\" href=\"https:\/\/www.rnib.org.uk\/campaign-with-us\/alt-text-campaign\/how-can-i-write-alt-text\/\" target=\"_blank\" rel=\"noreferrer noopener\"><span class=\"TextRun Underlined SCXW94255712 BCX8\" lang=\"EN-GB\" xml:lang=\"EN-GB\" data-contrast=\"none\"><span class=\"NormalTextRun SCXW94255712 BCX8\" data-ccp-charstyle=\"Hyperlink\">How can I write alt text RNIB guide<\/span><\/span><\/a><span class=\"TextRun SCXW94255712 BCX8\" lang=\"EN-GB\" xml:lang=\"EN-GB\" data-contrast=\"auto\"><span class=\"NormalTextRun SCXW94255712 BCX8\">\u00a0[Accessed 14 August 2025]<\/span><\/span><span class=\"EOP SCXW94255712 BCX8\" data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559740&quot;:360}\">\u00a0<\/span><\/p>\n<\/li>\n\t\t\t\t\t\t\t<li class = \"references-list-item\"><p>SuperCool (n.d.),\u00a0 How To: Write Good Alt Text [online] Available at: <a href=\"https:\/\/supercooldesign.co.uk\/articles\/how-to-write-good-alt-text?utm_campaign=new-job-opportunities-community-call-plans&amp;utm_medium=email&amp;utm_source=turingway\">SuperCool guide to writing good alt text<\/a> Accessed 19 August 2025<\/p>\n<\/li>\n\t\t\t\t\t\t\t<li class = \"references-list-item\"><p><span class=\"TextRun SCXW89895453 BCX8\" lang=\"EN-GB\" xml:lang=\"EN-GB\" data-contrast=\"auto\"><span class=\"NormalTextRun SpellingErrorV2Themed SCXW89895453 BCX8\">VocalEyes<\/span><span class=\"NormalTextRun SCXW89895453 BCX8\">\u00a0(n.d.)\u00a0<\/span><\/span><span class=\"TextRun SCXW89895453 BCX8\" lang=\"EN-GB\" xml:lang=\"EN-GB\" data-contrast=\"auto\"><span class=\"NormalTextRun SCXW89895453 BCX8\">Examples of Image Descriptions<\/span><\/span><span class=\"TextRun SCXW89895453 BCX8\" lang=\"EN-GB\" xml:lang=\"EN-GB\" data-contrast=\"auto\"><span class=\"NormalTextRun SCXW89895453 BCX8\">\u00a0[online] Available at:\u00a0<\/span><\/span><a class=\"Hyperlink SCXW89895453 BCX8\" href=\"https:\/\/vocaleyes.co.uk\/example-of-image-descriptions\/\" target=\"_blank\" rel=\"noreferrer noopener\"><span class=\"TextRun Underlined SCXW89895453 BCX8\" lang=\"EN-GB\" xml:lang=\"EN-GB\" data-contrast=\"none\"><span class=\"NormalTextRun SCXW89895453 BCX8\" data-ccp-charstyle=\"Hyperlink\">Examples of image descriptions<\/span><\/span><\/a><span class=\"TextRun SCXW89895453 BCX8\" lang=\"EN-GB\" xml:lang=\"EN-GB\" data-contrast=\"auto\"><span class=\"NormalTextRun SCXW89895453 BCX8\">\u00a0[Accessed 14 August 2025]<\/span><\/span><span class=\"EOP SCXW89895453 BCX8\" data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559740&quot;:360}\">\u00a0<\/span><\/p>\n<\/li>\n\t\t\t\t\t\t\t<li class = \"references-list-item\"><p><span class=\"TextRun SCXW251158754 BCX8\" lang=\"EN-GB\" xml:lang=\"EN-GB\" data-contrast=\"auto\"><span class=\"NormalTextRun SCXW251158754 BCX8\">World Wide Web Consortium (W3C), (n.d.) <\/span><\/span>An Alt Text Decision Tree [online] Available at: <a href=\"https:\/\/www.w3.org\/WAI\/tutorials\/images\/decision-tree\/\">W3C An alt decision tree<\/a> [Accessed 19 August 2025]<\/p>\n<\/li>\n\t\t\t\t\t\t\t<li class = \"references-list-item\"><p><span class=\"TextRun SCXW251158754 BCX8\" lang=\"EN-GB\" xml:lang=\"EN-GB\" data-contrast=\"auto\"><span class=\"NormalTextRun SCXW251158754 BCX8\">World Wide Web Consortium (W3C), (n.d.) <\/span><\/span> Decorative Images [online] Available at: <a href=\"https:\/\/www.w3.org\/WAI\/tutorials\/images\/decorative\/\">WAI Tutorial decorative images<\/a> [Accessed 19 August 2025]<\/p>\n<\/li>\n\t\t\t\t\t\t\t<li class = \"references-list-item\"><p><span class=\"TextRun SCXW66642582 BCX8\" lang=\"EN-GB\" xml:lang=\"EN-GB\" data-contrast=\"auto\"><span class=\"NormalTextRun SpellingErrorV2Themed SCXW66642582 BCX8\">Wellcome<\/span><span class=\"NormalTextRun SCXW66642582 BCX8\">\u00a0Collection (n.d.)\u00a0<\/span><\/span><span class=\"TextRun SCXW66642582 BCX8\" lang=\"EN-GB\" xml:lang=\"EN-GB\" data-contrast=\"auto\"><span class=\"NormalTextRun SCXW66642582 BCX8\">In Plain Sight Exhibition Text<\/span><\/span><span class=\"TextRun SCXW66642582 BCX8\" lang=\"EN-GB\" xml:lang=\"EN-GB\" data-contrast=\"auto\"><span class=\"NormalTextRun SCXW66642582 BCX8\">\u00a0[online] Available at:\u00a0<\/span><\/span><a class=\"Hyperlink SCXW66642582 BCX8\" href=\"https:\/\/wellcomecollection.org\/guides\/exhibitions\/in-plain-sight\/captions-and-transcripts\" target=\"_blank\" rel=\"noreferrer noopener\"><span class=\"TextRun Underlined SCXW66642582 BCX8\" lang=\"EN-GB\" xml:lang=\"EN-GB\" data-contrast=\"none\"><span class=\"NormalTextRun SCXW66642582 BCX8\" data-ccp-charstyle=\"Hyperlink\">In Plain Sight &#8211; exhibition text<\/span><\/span><\/a><span class=\"TextRun SCXW66642582 BCX8\" lang=\"EN-GB\" xml:lang=\"EN-GB\" data-contrast=\"auto\"><span class=\"NormalTextRun SCXW66642582 BCX8\">\u00a0[Accessed 14 August 2025]<\/span><\/span><span class=\"EOP SCXW66642582 BCX8\" data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559740&quot;:360}\">\u00a0<\/span><\/p>\n<\/li>\n\t\t\t\t\t<\/ol>\n\t<\/div> \n<\/div><aside class=\"sidebar flex-item\"><h3>2.03 Lluniau, Testun Amgen a Disgrifiadau o Luniau<\/h3><nav class=\"sub-nav\"><ul><li><a href=\"#overview\">Trosolwg<\/a><\/li><li><a href=\"#examples\">Enghraifft ymarferol<\/a><\/li><li><a href=\"#key_considerations\">Ystyriaethau allweddol<\/a><\/li><li><a href=\"#definitions_list\">Diffiniadau ac acronymau<\/a><\/li><li><a href=\"#learning_resources\">Adnoddau dysgu<\/a><\/li><li><a href=\"#linked_standards\">Safonau cysylltiedig<\/a><\/li><li><a href=\"#references\">Cyfeiriadau allanol<\/a><\/li><\/ul><\/nav><div class=\"hide fixed scroll_menu\" aria-live=\"polite\"><h3>2.03 Lluniau, Testun Amgen a Disgrifiadau o Luniau<\/h3><ul><li><a href=\"#overview\">Trosolwg<\/a><\/li><li><a href=\"#examples\">Enghraifft ymarferol<\/a><\/li><li><a href=\"#key_considerations\">Ystyriaethau allweddol<\/a><\/li><li><a href=\"#definitions_list\">Diffiniadau ac acronymau<\/a><\/li><li><a href=\"#learning_resources\">Adnoddau dysgu<\/a><\/li><li><a href=\"#linked_standards\">Safonau cysylltiedig<\/a><\/li><li><a href=\"#references\">Cyfeiriadau allanol<\/a><\/li><\/ul><a href=\"https:\/\/form.jotform.com\/252393341563356?standard=Cyfathrebu Digidol 2.03 Lluniau, Testun Amgen a Disgrifiadau o Luniau\" class=\"feedback_link button bg_secondary white\">Rhowch adborth i ni ar y Safon hon<\/a><a href=\"https:\/\/allin.online\/cy\/standard\/cyfathrebu-digidol\/\" class=\"return_link\">Yn \u00f4l i Cyfathrebu Digidol<\/a><\/div><a href=\"https:\/\/form.jotform.com\/252393341563356?standard=Cyfathrebu Digidol 2.03 Lluniau, Testun Amgen a Disgrifiadau o Luniau\" class=\"feedback_link button bg_secondary white\">Rhowch adborth i ni ar y Safon hon<\/a><a href=\"https:\/\/allin.online\/cy\/standard\/cyfathrebu-digidol\/\" class=\"return_link\">Yn \u00f4l i Cyfathrebu Digidol<\/a><\/aside><\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"featured_media":0,"parent":10038,"menu_order":3,"template":"","class_list":["post-10077","standard","type-standard","status-publish","hentry"],"acf":{"short_description":"Dylech wneud lluniau\u2019n hygyrch drwy ddefnyddio testun amgen a disgrifiadau o\u2019r lluniau sy\u2019n disgrifio beth mae\u2019r llun yn ei ddangos neu\u2019n ei olygu.","make_visible_to_taster_account":false},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Lluniau, Testun Amgen a Disgrifiadau o Luniau - All In<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/allin.online\/cy\/standard\/cyfathrebu-digidol\/defnyddioldeb-cynnwys\/lluniau-testun-amgen-a-disgrifiadau-o-luniau\/\" \/>\n<meta property=\"og:locale\" content=\"cy_GB\" \/>\n<meta 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