Cloudflare Talks About How Early Hints Have Improved Page Loads For Customers
https://blog.cloudflare.comIn early benchmarking experiments with Early Hints, Cloudflare saw performance improvements that were as high as 30%. Now, with over 100,000 customers using Early Hints on Cloudflare they talk about the impact on production sites. They have been working with Google and Shopify to get this rolling.
Early Hints uses the HTTP status code 103 as the first response to the client. The “hints” are HTTP headers attached to the 103 response that are likely to appear in the final response, indicating (with the Link header) resources the browser should begin loading while the server prepares the final response.