iframeで動画URLを埋め込むときにChromeエラーが発生する

Question

iframeでページにURLを埋め込むと、Chromeのコンソールに次のエラーが表示されます。なぜこうなった？

GET chrome-extension://boadgeojelhgndaghljhdicfkmllpafd/cast_sender.js net::ERR_FAILEDfj @ www-embed-player-new.js:151ej @ www-embed-player-new.js:151dj @ www-embed-player-new.js:151ij @ www-embed-player-new.js:152gl @ www-embed-player-new.js:205so @ www-embed-player-new.js:301Dq @ www-embed-player-new.js:340(anonymous function) @ FQpUOimNvXA?showinfo=0:10 
    www-embed-player-new.js:22 

GET https://static.doubleclick.net/instream/ad_status.js net::ERR_BLOCKED_BY_CLIENTlc @ www-embed-player-new.js:22ic @ www-embed-player-new.js:21fc @ www-embed-player-new.js:21xd @ www-embed-player-new.js:35Dq @ www-embed-player-new.js:341(anonymous function) @ FQpUOimNvXA?showinfo=0:10 
    www-embed-player-new.js:151 

GET chrome-extension://dliochdbjfkdbacpmhlcpmleaejidimm/cast_sender.js net::ERR_FAILEDfj @ www-embed-player-new.js:151ej @ www-embed-player-new.js:151(anonymous function) @ www-embed-player-new.js:151c.onerror @ www-embed-player-new.js:151 
    www-embed-player-new.js:151 

GET chrome-extension://hfaagokkkhdbgiakmmlclaapfelnkoah/cast_sender.js net::ERR_FAILEDfj @ www-embed-player-new.js:151ej @ www-embed-player-new.js:151(anonymous function) @ www-embed-player-new.js:151c.onerror @ www-embed-player-new.js:151 
    www-embed-player-new.js:151 

GET chrome-extension://fmfcbgogabcbclcofgocippekhfcmgfj/cast_sender.js net::ERR_FAILEDfj @ www-embed-player-new.js:151ej @ www-embed-player-new.js:151(anonymous function) @ www-embed-player-new.js:151c.onerror @ www-embed-player-new.js:151 
    www-embed-player-new.js:151 

GET chrome-extension://enhhojjnijigcajfphajepfemndkmdlo/cast_sender.js net::ERR_FAILEDfj @ www-embed-player-new.js:151ej @ www-embed-player-new.js:151(anonymous function) @ www-embed-player-new.js:151c.onerror @ www-embed-player-new.js:151 
    www-embed-player-new.js:151 

GET chrome-extension://eojlgccfgnjlphjnlopmadngcgmmdgpk/cast_sender.js net::ERR_FAILEDfj @ www-embed-player-new.js:151ej @ www-embed-player-new.js:151(anonymous function) @ www-embed-player-new.js:151c.onerror @ www-embed-player-new.js:151 

Answer 1

有効になっているAdBlocker拡張機能と同じです。 YouTubeページ自体にも同じ種類のエラーが表示されます。これらの拡張機能は、特定の種類の広告関連URIと一致する場合、特定のWeb要求をブロックします。