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Ychwanegwch yr erthygl mewn ieithoedd eraill" > <label id="p-lang-btn-label" for="p-lang-btn-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--action-progressive mw-portlet-lang-heading-0" aria-hidden="true" ><span class="vector-icon mw-ui-icon-language-progressive mw-ui-icon-wikimedia-language-progressive"></span> <span class="vector-dropdown-label-text">Ychwanegu ieithoedd</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> <div class="after-portlet after-portlet-lang"><span class="uls-after-portlet-link"></span></div> </div> </div> </div> </header> <div class="vector-page-toolbar"> <div class="vector-page-toolbar-container"> <div id="left-navigation"> <nav aria-label="Parthau"> <div id="p-associated-pages" class="vector-menu vector-menu-tabs mw-portlet mw-portlet-associated-pages" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-nstab-main" class="selected vector-tab-noicon mw-list-item"><a href="/wiki/Peiriant_Wayback" title="Gweld y dudalen bwnc [c]" accesskey="c"><span>Erthygl</span></a></li><li id="ca-talk" class="vector-tab-noicon mw-list-item"><a href="/wiki/Sgwrs:Peiriant_Wayback" rel="discussion" title="Sgwrsio am y dudalen [t]" accesskey="t"><span>Sgwrs</span></a></li> </ul> </div> </div> <div id="vector-variants-dropdown" class="vector-dropdown emptyPortlet" > <input type="checkbox" id="vector-variants-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-variants-dropdown" class="vector-dropdown-checkbox " aria-label="Newid amrywiad iaith" > <label id="vector-variants-dropdown-label" for="vector-variants-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet" aria-hidden="true" ><span class="vector-dropdown-label-text">Cymraeg</span> </label> <div class="vector-dropdown-content"> <div id="p-variants" class="vector-menu mw-portlet mw-portlet-variants emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> </div> </div> </nav> </div> <div id="right-navigation" class="vector-collapsible"> <nav aria-label="Golygon"> <div id="p-views" class="vector-menu vector-menu-tabs mw-portlet mw-portlet-views" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-view" class="vector-tab-noicon mw-list-item"><a href="/wiki/Peiriant_Wayback"><span>Darllen</span></a></li><li id="ca-ve-edit" class="vector-tab-noicon mw-list-item"><a href="/w/index.php?title=Peiriant_Wayback&veaction=edit" title="Golygu'r dudalen hon [v]" accesskey="v"><span>Golygu</span></a></li><li id="ca-edit" class="selected collapsible vector-tab-noicon mw-list-item"><a href="/w/index.php?title=Peiriant_Wayback&action=edit" title="Golygu cod ffynhonnell y dudalen hon"><span>Golygu cod</span></a></li><li id="ca-history" class="vector-tab-noicon mw-list-item"><a href="/w/index.php?title=Peiriant_Wayback&action=history" title="Fersiynau cynt o'r dudalen hon. 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If you believe you were blocked by mistake, you can find additional information and instructions in the <a href="https://meta.wikimedia.org/wiki/Special:MyLanguage/No_open_proxies" class="extiw" title="m:Special:MyLanguage/No open proxies">No open proxies</a> global policy. </p> Otherwise, to discuss the block please <a href="https://meta.wikimedia.org/wiki/Steward_requests/Global" class="extiw" title="m:Steward requests/Global">post a request for review on Meta-Wiki</a>. You could also send an email to the <a href="https://meta.wikimedia.org/wiki/Special:MyLanguage/Stewards" class="extiw" title="m:Special:MyLanguage/Stewards">stewards</a> <a href="https://meta.wikimedia.org/wiki/Special:MyLanguage/VRT" class="extiw" title="m:Special:MyLanguage/VRT">VRT</a> queue at <kbd>stewards@wikimedia.org</kbd> including all above details.</div></div><hr /> <p>Cewch weld a chopïo côd y dudalen: </p><textarea readonly="" accesskey="," id="wpTextbox1" cols="80" rows="25" style="" class="mw-editfont-monospace" lang="cy" dir="ltr" name="wpTextbox1">{{Pethau| fetchwikidata=ALL | suppressfields= Freebase gwladwriaeth}} Archif ddigidol o'r [[Y we fyd-eang|we fyd-eang]] yw '''Peiriant Wayback''', a sefydlwyd gan [[Archif y Rhyngrwyd]], sef llyfrgell nid-er-elw yn [[San Francisco]] yn yr [[Unol Daleithiau]].<ref>{{Cite web |title=Wayback Machine General Information |url=https://help.archive.org/hc/en-us/articles/360004716091-Wayback-Machine-General-Information |access-date=2 Mar 2021 |website=archive.org |archive-url=https://archive.today/20191205053755/https://help.archive.org/hc/en-us/articles/360004716091-Wayback-Machine-General-Information |archive-date=2019-12-05 |url-status=dead }}</ref> Mae'r wefan yn caniatáu i'r defnyddiwr fynd “yn ôl mewn amser” a gweld sut roedd [[gwefan|gwefannau'n]] edrych yn y gorffennol. Aeth sylfaenwyr Peiriant Wayback, sef Brewster Kahle a Bruce Gilliat, ati i'w ddatblygu gyda'r nod o ddarparu "mynediad i bawb at yr holl wybodaeth" drwy gadw copïau wedi'u harchifo o dudalennau gwe sydd wedi dod i ben.<ref>{{Cite journal |last=Notess |first=Greg R. |date=March–April 2002 |title=The Wayback Machine: The Web's Archive |journal=Online |volume=26 |pages=59–61}}</ref> Ers ei lansio ym [[1996]], mae dros 544 biliwn o dudalennau wedi'u hychwanegu at yr archif. 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