Tampermonkey

The client indicates that an already-cached response should be returned. Note that the major browsers do not support requests with min-fresh. In the example above, the response is fresh for 7 days (604800s). Revalidation will make the cache be fresh again, so it appears to clients that it was always fresh during that period — effectively hiding the latency penalty of revalidation from them. However, the cached response is not always reused as-is. Implementation that holds requests and responses for reusing in subsequent requests.

Tampermonkey handles the following:

• The response no-transform directive preventsintermediaries from altering the response body beforeforwarding, whether the intermediary caches thecontent or not.
• You can also try out the Tampermonkey Editors extension to edit the script at vscode.dev
• You can choose between three different configuration modes Novice, Beginner and Advanced.This allows power user to access and use advanced features and capabilities of Tampermonkey.
• Ask the origin server whether or not the stored response is still fresh.

The immutable directive guarantees the response bodywill not change during the freshness lifetime. If the origin is unreachable, thecache returns a 504 instead of serving stalecontent. No-cacheis efficient for frequently updated content.no-store is for content that must never persiston disk. The timerstarts from the moment the origin creates the response,so transit time and time spent in intermediate cachescount against the budget. The no-transform directive forbids intermediariesfrom modifying the 4rabet india login password response body, such as recompressingimages or converting media formats.

Resources

The no-store directive prevents any cache fromstoring the response. Private browser caches ignore s-maxage andfall back to max-age. This directive is useful when an originserver is temporarily unreachable and a slightly staleresponse is acceptable. When no Cache-Control header is present,caches apply heuristic freshness.

A Guide to HTTP Cache Control Headers

Unrecognized directives are ignored by caches.This allows new directives to be introducedwithout breaking older implementations. The table below shows which directives apply torequests, responses, or both. Origins, intermediaries, and clients all rely onCache-Control to agree on when a stored responseremains usable and when a fresh copy is needed.

DebugBear can track your synthetic metrics over time, provide industry benchmarks based on Google CrUX data, and collect real-user metrics and debug data on how actual visitors experience your website. After the initial visit, websites are usually much faster thanks to caching. You’ll often find that pages load extremely fast if previously loaded resources can be re-used. If you want to see how fast your website loads with the right caching settings in place, try the warm load feature in DebugBear’s synthetic website monitoring product.

When a user requests a resource that is cached, the cached copy can be served without hitting the origin server, resulting in faster response times and reduced server load. At the heart of HTTP caching is the Cache-Control HTTP header, which gives you fine-grained control over how browsers and intermediary proxies cache your content. Cache Control Headers are a powerful tool for controlling how browsers and caches store and serve your website’s content.

If no request happened during that period, the cache became stale and the next request will revalidate normally. Cache storage isn’t required to remove stale responses immediately because revalidation could change the response from being stale to being fresh again. This usually means the response can be reused for subsequent requests, depending on request directives. Unexpected caching behavior stems from directivemisunderstandings, CDN overrides, or conflictingheaders. The parameter sets the number of secondsbeyond the freshness lifetime during which the staleresponse remains usable as a fallback.