Http Header

How To Remove Cookie In WordPress Plugin Wp Super Cache Http Response Header Vary

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WP Super Cache is a very popular WordPress plugin. It can generate an Html version of all your WordPress articles. Then when the client browser requests your article, it will return the Html version instead of executing the dynamic web page. This can improve page response speed and make your website more efficient. But when …

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How To Set Http Header Vary Value Correct To Make Cache Work Effective

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My website dev2qa.com uses Ezoic caching function to cache all my website pages. This can improve my website page access speed. Ezoic proxy server will create a copy of my website page and save those web page copies in their data center all over the world. So when a client requests a web page, and …

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How To Connect Directly To Your Origin Web Server Bypass Intermediary Proxies To View Original Http Headers

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My website dev2qa.com uses two CDN proxies as a chain to cache my web pages. One is Cloudflare which sits in front of my website dev2qa.com, the other is Ezoic Caching which sits in front of Cloudflare CDN. But someday, I find there are a lot of unuseful response headers in the HTTP response, and …

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Why Browser Send No Cache In Http Request Cache Control Header

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When you browse any web page ( google.com, yahoo.com, bing.com ) in a modern web browser, if you inspect the request HTTP headers, you can find the cache-control : no-cache header, this header is always used in the HTTP response header. But why it is used in the HTTP request header, this article will tell you the …

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How Web Caching Works In CDN ( Proxy ) Chain Use Cache-Control Http Header

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When a web browser requests a web page from the original web server, the request may go through several intermediary proxy or CDN servers like the below picture. Each node in the chain ( includes both client browser, CDN proxy server, and original webserver ) can cache the requested web page resources follow their own …

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How To Verify If CloudFlare CDN Cached Your Website Html Content, CSS, Images, JS Files

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If you use Cloudflare as your website CDN server ( HTTP proxy server ), you must want to check whether your web page resources ( CSS, js, images, Html content ) have been cached by Cloudflare or not. Cloudflare adds an HTTP header CF-Cache-Status with various header values in the HTTP response to tell you …

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