Open any link or the active tab in services like Google Cache, Bing, Wayback Machine or archive.today. Add you own providers.
Minimum supported Firefox version: 68.2.0esr.
Bing support is a bit hacky. Bing has Web Search API but it doesn't include refs to cached pages in its responses. Thus we just scrape a regular Bing search page looking for the 1st result of the query & get all the info we need for reconstructing a proper url.
$ npm i -g json crx3-utils adieu
$ make crx
The resulting .crx should appear in _out dir.
MIT.