Cache Control Headers in Node.js – Complete Guide for Better Performance & SEO
Cache Control Headers in Node.js – Complete Guide for Better Performance & SEO Caching is essential for increasing Google PageSpeed and SEO ranks, decreasing server load, and enhancing Node.js application speed. This tutorial will teach you how to use Cache-Control headers in Node.js (Express) using real-world, production-ready examples. Why Cache-Control Headers Matter in Node.js Search engines like Google evaluate: Server Response Time (TTFB) Page Load Speed Mobile Performance Server Resource Usage Improper caching leads to slow pages, higher bounce rates, and poor SEO rankings. Correct Cache-Control headers solve these issues effectively. What Is Cache-Control? Cache-Control is an HTTP response header that instructs browsers, CDNs, and proxies how to cache responses, for how long, and when to revalidate them. Performance and speed are important aspects of contemporary web apps for both search engine rankings and user experience. Using Cache-Control headers is one of the be...