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How long is a 301 cached?
Reverse proxy responded with a HTTP 301 that will be cached indefinitely by the browser, unless dictated otherwise by the ‘Cache-Control’ header (30 days in this example response).
What is maximum cache time?
It is the maximum amount of time specified in the number of seconds. For example, max-age=90 means that a HTTP response remains in the browser as a cached copy for the next 90 seconds before it can be available for reuse.
How long do browsers cache files?
If a user stops using the browser it is indefinitely. If he/she uses the browser rarely, it will be until the expiration – either by internal policy or by HTTP headers. If he/she uses the browser heavily, it can be 12 minutes or even less.
What kind of cache is used in a website?
This type of cache is done at the Server side of the website or web application. Server Cache includes many types of cache under its name, some of them are- Content Delivery Network (CDN) caching, Object Caching and Opcode Caching.
When does a CSS file need to be cached?
When the browser parses this HTML, it identifies that a CSS resource needs to load from https://www.example.com/app.css. The browser issues a request to the server for this file, the server returns the file and also tells the browser to cache it for 30 days.
What do I need to know about caching in my browser?
As a website owner, you have some amount of control over this policy through HTTP cache headers, namely the Cache-Control and Etag headers. Cache-Control has several parameters, including Time to Live (TTL), which you can use to define how long a resource is stored in a browser cache before expiring.
Which is the best time to cache content?
It defines a relative time in seconds for which the content can be cached. The directive below allows the content to be cached for 1 hour or 3600 seconds. If a response contains both the Expires header and the max-age directive, max-age takes precedence. 2. Who can cache the content – public vs private directives