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A comment on 300ms Faster: Reducing Wikipedia's Total Blocking Time. Parent comment

Re:300ms Faster: Reducing Wikipedia's Total Blocking Time by pier25 on Monday May 29, 2023 @03:36PM (#36117197)
> media viewer -> dialog

<dialog> has only been available in Safari for about a year.

https://caniuse.com/dialog

Wikpedia is one of the most popular sites on the internet. It needs to be as compatible as possible so that means using JS.

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Re:300ms Faster: Reducing Wikipedia's Total Blocking Time by manquer on Monday May 29, 2023 @04:06PM (#36117535)
You should be able to detect user agent and determine capability and send the poly-fills for backward compatibility ?
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Re:300ms Faster: Reducing Wikipedia's Total Blocking Time by pier25 on Monday May 29, 2023 @05:01PM (#36118077)
Sure, there are many different ways to tackle this.
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Re:300ms Faster: Reducing Wikipedia's Total Blocking Time by ryan_lane on Monday May 29, 2023 @09:23PM (#36120155)
Then you'd need to shard your cache on user agent, which would lead to considerably worse performance for everyone.
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Re:300ms Faster: Reducing Wikipedia's Total Blocking Time by manquer on Tuesday May 30, 2023 @05:03PM (#36130768)
Surely at the scale of Wikipedia that wouldn’t be a factor ?

considering the dominance of few browsers (chrome , safari on iOS) will most users notice any difference? The first one (with that UA) to the site with a new build will have they cache key warmed up ?

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Re:300ms Faster: Reducing Wikipedia's Total Blocking Time by ryan_lane on Tuesday May 30, 2023 @08:23PM (#36133010)
User-agent is way more granular than chrome, safari, firefox, etc. It's not a great shard key.
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Re:300ms Faster: Reducing Wikipedia's Total Blocking Time by paulddraper on Tuesday May 30, 2023 @12:03AM (#36121006)
And hurt your caching....

All to get rid of a tiny bit of JS.

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Re:300ms Faster: Reducing Wikipedia's Total Blocking Time by manquer on Tuesday May 30, 2023 @05:05PM (#36130789)
All this to support older browsers and get rid of all JavaScript where you can .

Plenty of sites aspire to be JS free for a variety of reasons it is worthy goal

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