What to do if your Drupal site is not cached?
Without it, your Drupal site will have to rebuild every page and the Pantheon Global CDN will not cache your site. If possible, enable “Cache blocks” as well to increase performance for logged-in users. Minimum caching lifetime forces cached content to continue to exist before it can be flushed.
How to optimize Drupal performance and caching settings?
Optimize Drupal and Global CDN caching to maximize your site’s performance. To maximize your site’s performance on Pantheon and to take advantage of our Global CDN caching, you’ll need to configure your site’s performance settings.
Why does Drupal use aggressive mode when cached?
This is because when Drupal uses Aggressive mode no logic is executed on a successful cache hit. As soon as the CMS detects that the URL being request has a cache, it returns that cache. Obviously, when the page is cached Externally in a reverse-proxy layer, Drupal is not consulted when cached pages are delivered.
How does Drupal automatically use hierarchy to simplify cache contexts?
Drupal automatically uses the hierarchy information to simplify cache contexts as much as possible.
Where to find reverse proxy settings in Drupal 8?
The default Drupal 8 settings. php will contain detailed information on the following variables: A more detailed explanation on why these settings are needed can be found in the article Drupal 8 and reverse proxies: The $base_url drama. If you only need these settings on a production site, you can place these variables in a settings.local.php file.
How to use caching to improve Drupal performance?
Drupal offers basic performance tuning at: Administration > Configuration > Development > Performance (admin/config/development/performance) It is recommended that block and page caching be enabled. Instead of Drupal dynamically performing complex SQL queries it caches these for quick retrieval.
What are the performance settings for Drupal 7?
The Drupal 7 version of the module depends upon the Drupal 8 Cache Backport module. Visit /admin/config/development/performance for Drupal’s performance settings. Unless needed for development, you should always enable “Cache pages for anonymous users”.
How long does Drupal cache last at max age?
It determines what value Drupal delivers in its max-age header, which is how long the reverse-proxy layer will retain a cache. Performance is often a trade-off between how fresh your content is, and how fast you want to deliver it to the internet. A good value to start with is 15 minutes, but this is something to consider.
What does a warmer plugin do in Drupal?
Each warmer plugin is in charge of warming a different type of items. You could have a warmer (a plugin) dedicated to the entity cache, another one for the JSON:API normalizations (via JSON:API Boost ), another one that hits URLs to warm the CDN cache, etc. A warmer plugin consists of: