Cacheable resource share on Wix sites

Sites with 80%+ cacheable resources cacheable resource share have a good LCP most often: 93%, against 92% of all Wix sites. Sites with 50% to 79% cacheable resources cacheable share have it least often, at 90%.

80%+ cacheable resources is the most used: 68.0% of Wix sites.

Across the four LCP sub-parts in Chrome's field data, the largest gap between 80%+ cacheable resources and 50% to 79% cacheable resources sits in time to first byte (TTFB): 322 ms median for 80%+ cacheable resources against 415 ms for 50% to 79% cacheable resources. Overall median field LCP is 1.2s for 80%+ cacheable resources (TTFB 322 ms, load delay 476 ms, load duration 269 ms, render delay 138 ms) versus 1.3s for 50% to 79% cacheable resources.

React sets the cacheable resource share to 80%+ cacheable resources on 68% of its sites, and 92% of React sites have a good LCP, against 92% of all sites.

FrameworkCacheable resource share on its sitesGood LCP

All Wix sites 5,621 sites80%+ cacheable resources 68%50% to 79% cacheable resources 32%92%

React 5,620 sites80%+ cacheable resources 68%50% to 79% cacheable resources 32%92%

80%+ cacheable resources 50% to 79% cacheable resources 20% to 49% cacheable resources

Does the framework explain the cacheable resource share difference?

On React, 93% of sites with 80%+ cacheable resources cacheable resource share have a good LCP, against 90% of React sites with 50% to 79% cacheable resources. Within React, sites with 80%+ cacheable resources and 50% to 79% cacheable resources have a good LCP about equally often.