Actually do not use these at all! Caching headers are unreliable in meta elements; for one, any web proxies between the site and the user will completely ignore them. You should always use …

Defines a time interval for the document to refresh itself. Note: The value "refresh" should be used carefully, as it takes the control of a page away from the user. Using "refresh" will cause a …

Jul 12, 2011 · Putting caching instructions into meta tags is not a good idea, because although browsers may read them, proxies won't. For that reason, they are invalid and you should send …

Apr 8, 2024 · Fortunately, developers can leverage meta HTML tags to control caching behaviour, ensuring users receive the latest content promptly. This article explores the significance of …

Jul 9, 2025 · Only a subset of the HTTP headers are supported as http-equiv values. These include: content-language Deprecated Sets a default language for the document used by …

Useful HTML Meta Tags are listed and described, and example usages are given. Links to other resources are also provided.

Aug 9, 2011 · Pragma directives corresponding to headers that affect the HTTP processing model (e.g. caching) must not be registered, as they would result in HTTP-level behavior being …

Jul 21, 2011 · For good measure I use <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1"> with the chrome=1 directive so it prompts IE6, 7, 8 users to …

Dec 6, 2022 · Learn how to effectively disable browser caching using meta HTML tags to enhance your website performance and user experience.

Jul 27, 2023 · In this post I’ll share what the HTML spec says about http-equiv, how sites are actually using it in the wild, and argue why you probably* don’t need http-equiv meta tags. If …