Most sections "coming soon" so might as well point to the two individual section having actual content, those being
Structured Data [1] and
Third Parties [2].<p>Key quote from the latter [3]:<p>> Google takes 8 of the top 15 most-used third parties—including the top 6 spots!<p>[1]: <a href="https://almanac.httparchive.org/en/2021/structured-data" rel="nofollow">https://almanac.httparchive.org/en/2021/structured-data</a><p>[2]: <a href="https://almanac.httparchive.org/en/2021/third-parties" rel="nofollow">https://almanac.httparchive.org/en/2021/third-parties</a><p>[3]: <a href="https://almanac.httparchive.org/en/2021/third-parties#fig-12" rel="nofollow">https://almanac.httparchive.org/en/2021/third-parties#fig-12</a>