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Barry Pollard
@tunetheweb.com

We're updating Lighthouse to be based on the same Insights we recently launched in the Performance panel of Chrome DevTools. developer.chrome.com/blog/moving-... This will help align the tools but will be a breaking change. So we'll make that change in Lighthouse 13 in 6 months. 1/3 🧵

developer.chrome.comLighthouse is moving to performance insight audits  |  Blog  |  Chrome for DevelopersLighthouse is moving to performance insight audits

3 reposts13 likes

Barry Pollard
@tunetheweb.com

If you wanna see what they look like, then Lighthouse 12.6.0 released this week includes a toggle to make the switch. This has now been released to PageSpeed Insights too: pagespeed.web.dev And will be included in DevTools in Chrome 137 in about a month. 2/3

Barry Pollard
@tunetheweb.com

So we use "Slow 4G" as the default. We still think that's right for mobile emulation. See previous discussion here: bsky.app/profile/tune... We also did change the throttling on PSI a few months back to make that more realistic: bsky.app/profile/tune...

Barry Pollard@tunetheweb.com

Some of you complain that PageSpeed Insights is a bit unrealistically show for the Lighthouse test. The PSI servers are a bit underpowered so we're changing the throttling, which should make the Performance score go up when this rolls out in the next few weeks. github.com/GoogleChrome... 🧵 1/5

github.comRelease v12.2.3 · GoogleChrome/lighthouseFull Changelog This release is only for PageSpeed Insights and we expect it to ship within 2 weeks. Notable Changes The CPU throttling factor for PageSpeed Insights has been adjusted (#16256) to ac...