Cookies 2025 chapter #4276
Cookies 2025 chapter #4276
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yohhaan
added
help wanted
…hive.org into cookies-2025
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I've staged the chapter here: https://cookies-2025-dot-webalmanac.uk.r.appspot.com/en/2025/cookies Unfortunately staging isn't automated so reach out if you want it re-staged at any time. |
Let's add the SQL in a separate PR please. That way it can be merged ahead of the chapter and keeps this PR small. |
tunetheweb
changed the title
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Thank you @tunetheweb for the edits, staged version, and comments, much appreciated! |
JannisBush
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JannisBush
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Overall it looks promising, but I have a lot of small questions/remarks.
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| The observations from this chapter confirm the conclusions from last year's analysis: | ||
| - A majority (60%) of cookies encountered on the web are third-party cookies and popular websites create them the most. | ||
| - Most popular cookies can be linked to advertising, tracking, and analytics use cases. |
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- Maybe add that most third-party cookies come from very few sites. Not sure if we have a query for that, but probably we could make a query to show that 90% of third-party cookies belong to only 100 sites (or something similar).
| {{ figure_markup( | ||
| image="same-site-mobile.png", | ||
| caption="`SameSite` attribute for cookies on mobile client.", | ||
| description="Shows the prevalence of the `SameSite` attribute and its value for both first-party and third-party cookies on mobile clients. We see very similar results as for desktop clients. 3% of first-party cookies set the `SameSite` attribute to `Strict`, 19% use `SameSite=Lax` (which is the default), 11% set the value to None and 63% do not specify the value of `SameSite`. Nearly 100% of third-party cookies set the `SameSite` attribute to `None`, in order for these cookies to be sent in a cross-site context.", |
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Data is quite different from data the security chapter team has: https://docs.google.com/document/d/1PsuoanrDsTxTpNrf8VBAx_IxWVw6BTuCG1DnDzhWj00/edit?disco=AAABxmaWuaY
Is either query incorrect or can it be explained with top1m vs all?
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Same issue seems to be affecting 2024: https://almanac.httparchive.org/en/2024/cookies#fig-10 vs https://almanac.httparchive.org/en/2024/security#fig-12
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I am not sure and I don't have much time to investigate more here, maybe @ChrisBeeti or someone else can look into that.
The cookies chapter use the cookies returned by the $WPT_COOKIES (i.e., grabbed directly from the cookies jar, so only valid cookies parsed by Chrome). maybe the security chapter relies on HTTP requests?
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@yohhaan what's the latest with this? I don't see any response to the feedback and it's still in draft status. |
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Comment from @JannisBush: Queries missing |
I had left for vacation for the holidays just after the review was posted. I have now addressed and resolved most of the comments that were about the phrasing and text details. Remaining comments are essentially about the SQL queries and figures on which I have tagged @ChrisBeeti, analyst for the chapter. Also removing the draft mode. |
Hi!
This is a (draft for now) pull request with the content for the 2025 Cookies chapter (#4069). To be more efficient, the content has been drafted directly in markdown (no Google Docs). Feel free to edit on the cookies-2025 branch directly, or leave comments in your review on this PR.
Staged version: https://cookies-2025-dot-webalmanac.uk.r.appspot.com/en/2025/cookies
Staged version of home page quotes and stat: https://cookies-2025-dot-webalmanac.uk.r.appspot.com/en/2025/?feat=cookies#featured-chapter
So far, the 2025 chapter is pretty similar to last year's analysis IMO, although I have pointed out to some differences I noticed. Some suggestions or ideas if people have some time to help:
{# TODO ... #}comments that I left in the sections that I felt could use more.ToDos/Next steps:
Thanks!
Fixes #4069