Improve browser Largest Contentful Paint (LCP) performance of View File (source) page into S3 tier
Thanks to a recent fix the Largest Contentful Paint (LCP) performance of the View File (source) page's was significantly improved from ~25s to ~5s:
* Environment: 10k
* Environment Version: 14.1.0-pre `11188b24f48`
* Date: 2021-07-13
NAME | FCP (ms) | LCP (ms) | TBT (ms) | SI (ms) | LVC (ms) | TFR SIZE (kb) | SCORE | RESULT
--------------------------------------|----------|-----------------|------------------|---------|----------|---------------|-------|-------
web_project_file_source | 1067 | ✓ 4964 (<47000) | ✓ 20846 (<44000) | 1309 | 4950 | 1477.8 | 72 | Passed
The page is now comfortably performing within the severity2 tier. The next task is to improve it further into the severity3 tier.
The View File (source) page being tested can be seen here on Staging. This page is specifically one loading in a large source file.
Test Details
Testing was done on our 10k Reference Architecture environment with our lab condition SiteSpeed pipeline (named GitLab Browser Performance Tool internally). The project being tested is a copy of gitlabhq (tarball can be found here). GitLab Browser Performance Tool tests information is listed at Current test details page.
The latest GitLab Browser Performance pipeline results can always be found here. Through this page the full SiteSpeed report can be found via the SiteSpeed Report
link on that page.
As per our performance targets this page's LCP metrics is within the "severity::2" tier. Task is to improve the page's browser performance into"severity::3" tier (<4000ms).