#PerfAudit, Performance Audit of CanIUse, issues related to networking and rendering performance of CanIuse are discussed along with solutions / recommendations.

1. PerfAudit: CanIUse.com
http://perfaudit.com/case-study/caniuse.com

3. About
CanIUse.com
● "Can I use" provides up-to-date
browser support tables for support
of front-end web technologies on
desktop and mobile web browsers.
● Quite useful for web
designers/developers

4. Quite performantly 1.55
seconds,
54% of sites are faster (as
per data from Alexa).
How fast caniuse.
com loads?

5. Performance Auditing CanIUse.com

6. Network Profiling

7. PageSpeed Insight
Score
(Desktop)

8. Recommendation #1:
Leverage browser caching for 3rd party
assets (host on your own domain)

9. Profiling Rendering Performance

10. Issue: Janky Scrolling

12. Recommendation #2:
Promote frequently updated elements (e.g.
sticky header) to separate layer

13. Issue: Sticky Header
(Position fixed elements)

15. Recommendation #3:
Promote frequently updated elements (e.g.
sticky header) to separate layer

16. Thank you!
http://perfaudit.com/case-study/caniuse.com/