[wp-trac] [WordPress Trac] #63018: Increase styles_inline_size_limit from 20, 000 bytes

WordPress Trac noreply at wordpress.org
Sun Oct 26 06:06:20 UTC 2025


#63018: Increase styles_inline_size_limit from 20,000 bytes
---------------------------+-------------------------------
 Reporter:  westonruter    |       Owner:  westonruter
     Type:  enhancement    |      Status:  closed
 Priority:  normal         |   Milestone:  6.9
Component:  Script Loader  |     Version:  5.8
 Severity:  normal         |  Resolution:  fixed
 Keywords:                 |     Focuses:  css, performance
---------------------------+-------------------------------

Comment (by westonruter):

 As I just also [https://github.com/GoogleChromeLabs/wpp-
 research/pull/201#issuecomment-3448044083 commented], I ran the benchmarks
 for a broadband connection as well. See [attachment:"increasing-css-
 inline-size-limit-broadband.png"].

 👉🏻 For broadband as well as with Fast 4G, increasing the
 `styles_inline_size_limit` results in a '''exponential decay''' in the
 performance improvement for uncached visits whereas for cached visits
 there is a '''linear''' performance degradation.

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Ticket URL: <https://core.trac.wordpress.org/ticket/63018#comment:16>
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