An unbalanced tree was written using document.write() causing data from the network to be reparsed. More information: https://developer.mozilla.org/en-US/docs/Glossary/speculative_parsing
Ysgrifennwyd y goeden anghytbwys gan ddefnyddio document.write() gan achosi i ddata o'r rhwydwaith gael ei ail ddidoli. Am ragor o wybodaeth https://developer.mozilla.org/ên/Optimizing_Your_Pages_for_Speculative_Parsing