Googlebot 的 Web rendering service 的細節

在「Polymer 2 and Googlebot」這邊文章裡面才看到 Google 官方在今年八月就有公開 Googlebot 所使用的 Web rendering service (WRS) 的細節:「Rendering on Google Search」。可以想像到是基於 Google Chrome 的修改:

Googlebot uses a web rendering service (WRS) that is based on Chrome 41 (M41). Generally, WRS supports the same web platform features and capabilities that the Chrome version it uses — for a full list refer to chromestatus.com, or use the compare function on caniuse.com.

裡面提到一些值得注意的事情,像是不支援 WebSocket,所以對於考慮 Google 搜尋結果的頁面來說,就要注意錯誤處理了...

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