These cookies follow you from site to site to gather data about what you do online. They are set by third parties such as advertisers and analytics companies. Blocking cross-site tracking cookies reduces the number of ads that follow you around. <a data-l10n-name="learn-more-link">Learn more</a>
Mae'r cwcis hyn yn eich dilyn o wefan i wefan i gasglu data am yr hyn rydych chi'n ei wneud ar-lein. Mae nhw'n cael eu gosod gan drydydd partïon fel hysbysebwyr a chwmnïau dadansoddeg. Mae rhwystro cwcis tracio traws-safle yn lleihau'r nifer o hysbysebion sy'n eich dilyn. <a data-l10n-name="learn-more-link">Darllen rhagor</a>