__twitter_impression=true というクエリ文字列を見かけて、これはどういうものか調べたメモ。 これは名前の通りにTwitterが付与しているクエリ文字列で、Publish faster articles with AMPには以下のように書かれている。 When users are presented with the optimized AMP version of your page, Twitter instructs the AMP runtime to also ping your original article URL. This allows your analytics software to record a visit as if the original article were viewed. For these ping requests,