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why would the cookie banner tank core web vitals on the home page??

clscore-web-vitalsperformance63 replies 路 1.2K views 路 started
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  1. Anika
    @anika_solid

    long time lurker first post lol search Console flagged teh home page for poor CLS out of nowhere, and teh PageSpeed report agrees:

    Disk 0 (C:) Active time 100%

    Disk 0 (C:)   Active time 100%
Not responding

    watching the page load on my phone, i can see content jump down at least once. my gut says its teh cookie banner, because thats the last thing we changed, but i want proof before arguing with the marketing team. how do i find exactly which element moves and why? id love a repeatable workflow i can hand to the rest of the team. pls help 馃檹

    2
  2. Cyrus Nakamura
    @stackwrangler-2p8

    what does teh Layout Shift Regions overlay highlight on the home page? ??

    3 0 helpful
  6. Anika
    @anika_solid
    in reply to @jonas_cobalt

    ok so release notes show the cookie banner was added to teh home page the same week CLS went red. hope thats enough info 馃槄

    5 0 helpful
  7. Haruto S.
    @haruto.sato16

    oh ive been there lol came here to say exactly this hope that helps :)

    2 0 helpful
  8. Kenji S.
    @kenjis544

    ok this thread just saved my weekend

    0 2 helpful
  9. Mateo Adler
    @binarydeck
    in reply to @kenjis544

    reserve space for anything that loads late, give images and iframes width and height attributes or CSS aspect-ratio. For ad slots and ebmeds, set a min-height on the container matching the expected size. hope that helps :)

    6 1 helpful
  10. Felix Celik
    @felix_cobalt

    hmmm exact same thing happened to my office machine last month

    3 4 helpful
  14. Ibrahim W.
    @ibrahimw457
    in reply to @jonas_cobalt

    oh ive been there lol following, having the same problem. for me it was the cable. swapped it and boom, fixed fingers crossed 馃

    thumbsup

    2 0 helpful
  16. Xavi R.
    @xavi_loose

    pro tip: write down what u change. i didnt and had to redo banner from scratch worked for me anyway 馃し

    32 6 helpful
  17. Ada Y.
    @aday129

    ahh classic for me it was the DNS. swapped it and boom, fixed worked for me anyway 馃し

    0 5 helpful
  18. Kenji S.
    @kenjis544

    hmmmm ok reading this at 2am instead of sleeping, no regrets

    rage

    10 0 helpful
  19. Ada Y.
    @aday129

    ps how is this thread still going lmao

    1 0 helpful
  20. Haruto S.
    @haruto.sato16

    ok but is performance even worth bothering with or should i just leave it ?

    thinking

    6 0 helpful

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