I went to figure out why the gatsbyjs.com lighthouse performance score had jumped up ~10 points in the last 24 hours and found that Google Tag Manager was 404-ing 😅

Zach Leatherman 1717 replies 7676 likes1616 reposts Original on MastodonOriginal on BlueskyAlso posted to Mastodon.
17 replies
truly the bane of every page on which i've been forced to include it
perf improves when javascript fails 👀
@zachleat Do you mean to tell me that indiscriminate analytics-gathering can be problematic?
perf improves when javascript fails 👀
JavaScript will continue to fail until perf improves
who would've thought!
oh my god
*slaps roof* this bad boy can serve so much JavaScript
stakeholders or performance vampires
Oh, third-party hell from Tag Manager always drastically worsens Lighthouse scores, even if they were initially good