Cache-Control Analyzer
Parse Cache-Control, ETag, and Last-Modified headers and recommend safe caching strategies for your API responses. Free by Graph Tools.
Use this free Cache-Control analyzer to parse and evaluate HTTP caching headers and get recommendations for safe caching strategies. Paste Cache-Control directives alongside ETag, Last-Modified, and Vary header values, and receive a breakdown of each directive, the effective cache lifetime, and suggestions for improving or hardening your caching policy. Useful for backend developers designing API caching, DevOps engineers tuning CDN behavior, and performance engineers optimizing response reuse.