This type of loading (known as asynchronous loading) leads to earlier rendering of your page content. Rocket Loader handles both inline and external scripts, while maintaining order of execution. Cloudflare will detect incompatible browsers and disable Rocket Loader.
- Time to First Paint (TTFP)
- Time to First Contentful Paint (TTFCP)
- Time to First Meaningful Paint (TTFMP)
- Document Load
Some of Cloudflare’s optional features, including Rocket Loader and Email Obfuscation, use non standard tags that fail strict HTML validation via tools like . These failures do not correlate to issues for your site visitors.