Improve browser Largest Contentful Paint (LCP) performance of Project files page under the main target
The Project files page's browser Largest Contentful Paint (LCP)> performance is over the threshold of 2500ms:
* Environment: 10k
* Environment Version: 16.5.0-pre `fc51fcd6a24`
* Date: 2023-09-22
NAME | FCP (ms) | LCP (ms) | TBT (ms) | SI (ms) | LVC (ms) | TFR SIZE (kb) | SCORE | RESULT
--------------------------------------|----------|----------------|----------------|---------|----------|---------------|-------|-------
web_project_files | 1545 | ✘ 3106 (<2500) | ✓ 1414 (<1700) | 2278 | 5167 | 313.4 | 74 | FAILED
The Project files page being tested can be seen here on Staging. This page is showing files in the project. The LCP threshold violation is intermittent as seen below:
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 metric is above the target of X ms which is severity4 . Task is to improve the page's browser performance into next tier.