Why Do We Have a “Cache-Control” Request Header? css )Mar 7, 2025 29 caching , http The Mystery of Mutable Subresources in Signed Exchanges paw )Feb 11, 2025 28 authentication , signed-exchanges , caching , ruby-on-rails , nextjs , compression , http How to Implement Content Security Policy (CSP) Headers for Astro tre )Oct 16, 2024 27 how-tos , security , http , csp , astro , vercel , cloudflare Override HTTP Response Headers pat /dev )Jul 18, 2024 26 http , dev-tools , browsers , google , chrome , microsoft , edge Security Implications of HTTP Response Headers sny )May 3, 2023 25 security , http 7 Required Steps to Secure Your Iframes Security Jan 4, 2023 24 iframes , security , xss , html , csp CSS for URLs and HTTP Headers jim )Nov 27, 2022 23 css , urls , http Caching Header Best Practices sim )Jan 27, 2022 22 performance , caching , http , best-practices If It Can Be Done Using an HTTP Header, Use an HTTP Header j9t )Jan 13, 2020 21 maintainability , maintenance , http , html Browser Resource Hints: “preload”, “prefetch”, and “preconnect” deb )May 12, 2019 20 performance , hints , html , http Brave’s Concerns With the Client-Hints Proposal cli +/bra )May 9, 2019 19 brave , browsers , hints , http , privacy Improving Perceived Performance With the Link “rel=preconnect” HTTP Header and )Mar 22, 2019 18 performance , http , hints Speed Up Next-Page Navigations With Prefetching add )Dec 13, 2018 17 performance , hints , html , http , webpack Protecting Your Site With Feature Policy rac /sma )Dec 12, 2018 16 security , http Introduction to Feature Policy dev )Jun 26, 2018 15 introductions , http Understanding the “Vary” Header sma )Nov 2, 2017 14 http , caching , performance How to Secure Your Web App With HTTP Headers sma )Apr 3, 2017 13 how-tos , web-apps , security , http , csp Serving Custom Headers From Static Sites on CloudFront/S3 With Lambda@Edge Dec 27, 2016 12 aws , serverless , lambda , cloudfront , http , edge-computing HSTS and “Let’s Encrypt” tka )Jan 4, 2016 11 http , ssl , security Refresh HTTP Header kar )Mar 26, 2015 10 redirecting , http , html , metadata , history Exploring Header Compression in HTTP/2.0 mno )Jan 4, 2013 9 protocols , http , compression Using CSS Without HTML mat )Dec 14, 2010 8 html , css , http , php , minimalism Setting the Default Style Sheet Language on Your Web Site kar /w3c )Sep 27, 2007 7 css , html , mime-types , apache Read-Write Web wz4 /w3c )Oct 12, 2006 6 http , web Web Authoring Statistics Jan 25, 2006 5 studies , research , html , attributes , metadata , mime-types , metrics Website Headers Analyzer (Dries Buytaert) dri )4 tools , analysis , security , http Website Headers Analyzer (Security Headers) 3 tools , analysis , security , http Website Headers Analyzer (Mozilla) moz )2 tools , analysis , security , http HTTP Headers Tester 1 tools , analysis , network , http , protocols 