Change Details

https://grafana.wikimedia.org/d/000000205/reading-web-performance?orgId=1&from=now-30d&to=now&viewPanel=144 There was a spike in render blocking CSS by 3kb on 13th: {F41580775} and JS: {F41580965} And Pixel flagged this regression to hint at the cause {F41580805} **Steps to replicate the issue** (include links if applicable): * Go to any page in an incognito window * Check `mw.loader.getState('codex-styles')` * **What happens?**: 'ready' **What should have happened instead?**: 'registered' **Software version** (skip for WMF-hosted wikis like Wikipedia): **Other information** (browser name/version, screenshots, etc.):

https://grafana.wikimedia.org/d/000000205/reading-web-performance?orgId=1&from=now-30d&to=now&viewPanel=144 There was a spike in render blocking CSS by 3kb on 13th: {F41580775} and JS: {F41580965} And Pixel flagged this regression to hint at the cause (T350069) {F41580805} **Steps to replicate the issue** (include links if applicable): * Go to any page in an incognito window * Check `mw.loader.getState('codex-styles')` * **What happens?**: 'ready' **What should have happened instead?**: 'registered' **Software version** (skip for WMF-hosted wikis like Wikipedia): **Other information** (browser name/version, screenshots, etc.):

https://grafana.wikimedia.org/d/000000205/reading-web-performance?orgId=1&from=now-30d&to=now&viewPanel=144 There was a spike in render blocking CSS by 3kb on 13th: {F41580775} and JS: {F41580965} And Pixel flagged this regression to hint at the cause (T350069) {F41580805} **Steps to replicate the issue** (include links if applicable): * Go to any page in an incognito window * Check `mw.loader.getState('codex-styles')` * **What happens?**: 'ready' **What should have happened instead?**: 'registered' **Software version** (skip for WMF-hosted wikis like Wikipedia): **Other information** (browser name/version, screenshots, etc.):