What is a good cache control max age?
Table of Contents
What is a good cache control max age?
31536000
The time that the browser should keep the file in cache should be defined in seconds, typically presented like this Cache-Control: max-age=31536000.
How do you use cache control?
To use Cache-Control headers, choose Content Management | Cache Control Directives in the administration server. Then, using the Resource Picker, choose the directory where you want to set the headers. After setting the headers, click ‘OK’.
How do you use access control Age Max?
The Access-Control-Max-Age response header indicates how long the results of a preflight request (that is the information contained in the Access-Control-Allow-Methods and Access-Control-Allow-Headers headers) can be cached….Access-Control-Max-Age.
| Header type | Response header |
|---|---|
| Forbidden header name | no |
What’s the difference between cache control max age 0 and no-cache?
When max-age=0 is used, the browser will use the last version when viewing a resource on a back/forward press. If no-cache is used, the resource will be refetched.
How long should you cache?
a. Thus they can be easily cached on the browser and on intermediate proxies and can be cached for a very long duration. Google generally recommends a time longer than 6 months or even a year for such content.
What is cache age?
The Age header contains the time in seconds the object was in a proxy cache. The Age header is usually close to zero.
Can you cache options requests?
OPTIONS requests aren’t cacheable by default, so your CDN won’t usually handle them, and this will have to hit your server every time. They are cached in clients, but only for 5 seconds by default. If a web page polls your API, making a request every 10 seconds, it’ll repeat the preflight check every 10 seconds too.
How long is Max age 31536000?
one year
It is advisable to assign the max-age directive’s value to be greater than 10368000 seconds (120 days) and ideally to 31536000 (one year).
What is the best cache time?
We recommend a minimum cache time of one week and preferably up to one year for static assets, or assets that change infrequently.
What are the best practices for caching?
Caching configuration best practices
- Integrate Fastly with your application platform.
- Check your cache hit ratio.
- Set a fallback TTL.
- Understand how cache control headers work.
- Increase Cache-Control header times.
- Configure Fastly to temporarily serve stale content.
- Decrease your first byte timeout time.
What is Max age in header?
max-age. The max-age directive states the maximum amount of time in seconds that fetched responses are allowed to be used again (from the time when a request is made). For instance, max-age=90 indicates that an asset can be reused (remains in the browser cache) for the next 90 seconds.
What is Max age in CORS?
CORS caching for browsers Browser limit this: Firefox caps the value at 86400 (24 hours) while all Chromium-based browsers cap it at 7200 (2 hours).
Is caching good or bad?
It’s not bad to clear your cached data now and then. Some refer to this data as “junk files,” meaning it just sits and piles up on your device. Clearing the cache helps keep things clean, but don’t rely on it as a solid method for making new space.
How do I set cache-control in request header?
To use cache-control in HTML, you use the meta tag, e.g. The value in the content field is defined as one of the four values below. HTTP 1.1. Allowed values = PUBLIC | PRIVATE | NO-CACHE | NO-STORE.
