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[docs-infra] Improve page transition speed - #38394
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oliviertassinari merged 1 commit intoAug 11, 2023
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scope: docs-infra
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oliviertassinari
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alexfauquette
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siriwatknp
August 10, 2023 22:45
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The problem
Open https://mui.com/joy-ui/react-button/ and try to navigate to the Button Group page
560ms. Note that the Material UI Button -> ButtonGroup page transition also feels really bad, it's only 100-150ms faster: 430ms. According to https://web.dev/vitals/ great is at <100ms. I think where it's killing us comes next.
https://search.google.com/search-console/core-web-vitals/summary?resource_id=sc-domain%3Amui.com&device=2#inp-table
It's x4 better. Same on https://ui.shadcn.com/docs/components/button, it's at about 130ms. So as a developer, my first impression is: "No, I'm not using Material UI, it's not fast enough".
It is to be noted that it's a regression, something significant broke it: v5.0.6 feels so much better https://v5-0-6.mui.com/components/button-group/
Two ideas of what might have broken it: maybe it's live demo related, maybe it's theme provider related.
The patch
This PR is not a fix, we should find the root cause of the regression and fix it. I think it's one of the highest ROI tasks we have today. I was triggered by browsing https://www.radix-ui.com/themes/docs/overview/getting-started and feeling this big difference. That's why I'm allocating a bit of time to it to shape the problem and some leads of solution. This PR illustrate how a stable layout between page is beyond performance, and is also a nicer UX.
Preview: https://deploy-preview-38394--material-ui.netlify.app/joy-ui/react-button/
We are doing about x2 better.
@alexfauquette From this exploration, I think https://www.notion.so/mui-org/Migrate-all-pages-to-Page-getLayout-212d920a9ab245f08ac3a2aea874f1bc is actually not really so much of the root problem, but more of a side win. I reorganized the Notion tasks to use parent & children tasks.