Adds Web Vitals log to performance bar
What does this MR do?
- This adds the https://github.com/GoogleChrome/web-vitals library to the performance bar
- Will be loaded only when performance bar is activated
- Reports FID, LCP, CLS to the console.log
- Went over the top with console styling
We can also use the performance bar log in the next step to count select2, deprecated instances, rendered hidden modals, etc.
Screenshots
Does this MR meet the acceptance criteria?
Conformity
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Changelog entry -
Documentation (if required) -
Code review guidelines -
Merge request performance guidelines -
Style guides -
Database guides -
Separation of EE specific content
Availability and Testing
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Review and add/update tests for this feature/bug. Consider all test levels. See the Test Planning Process. -
Tested in all supported browsers -
Informed Infrastructure department of a default or new setting change, if applicable per definition of done
Security
If this MR contains changes to processing or storing of credentials or tokens, authorization and authentication methods and other items described in the security review guidelines:
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Label as security and @ mention @gitlab-com/gl-security/appsec -
The MR includes necessary changes to maintain consistency between UI, API, email, or other methods -
Security reports checked/validated by a reviewer from the AppSec team