![]() The entire page is uncacheable if the layout or block is uncacheable.These are terms that are used to indicate whether or not a page should be cached or not.A reverse proxy acts as a middle-man between visitors and the application in order to reduce server page load time. The page cache library contains a reverse PHP proxythat enables full page caching, which is available as an out-of-the-box enhancement in Magento 2.In the client-server model used by most web applications, there are two ways to cache content: This article will explain cache /caching types in Magento in more detail.Ĭaching is one of the best ways to improve a website’s performance. The use of cache technology can mitigate speed losses and in certain instances, can even speed up page loads. I'd suggest reaching out to for the best approach here, but as mentioned above you might be able to utilise a Surrogate-Key.When developing Magento websites, performance begins to lag, with the slower page loading as more resources and more content is added to the site. It's likely that specific pages (such as a user's account page) are sent with a Cache-Control: private response header to indicate the content should not be cached. Fastly is either instructed to serve a page from its cache, or acquires the content from the origin if either the cache is empty or the content has been marked as being 'private' (i.e. You might be able to utilise a Surrogate-Key response header to tag specific product pages and then issue a cache purge for the relevant key.įastly doesn't know when the user's session has changed. the user's browser) or by a downstream cache (e.g. You should inspect the HTTP response to see if it's being cached by the client (i.e. I would recommend reaching out to whose customer support team will be able to help debug this for you, but I would imagine this has to do with how Fastly is being instructed to cache the relevant product page. Refer to Fastly's documentation for preventing content from being cached. Meaning when you log out of one user account and then log into another, the user's account page will be sending something like Cache-Control: private. Typically, for content that is unique to individual users, a Cache-Control response header will be sent with a value that indicates to a downstream CDN that the content should not be cached. I would recommend reviewing the HTTP response headers as these will indicate to Fastly how to cache the page. How does fastly know when the current user session have changed? Perhaps I can apply same approach to access revocation. How do I make fastly check if the user still have access rights to that product page before page is served to web user? If fastly works so well when I switch user accounts, why won't it work when additional context need to be factored in? I believe this is how fastly uniquely Identifies each cached version of a page. I have added a before plugin to Magento\Framework\App\Http\Context::getVaryString() and this before plugin also adds the same concatenation of the customer group id and the access status. If access is revoked, status is 0, otherwise, status is 1. ![]() This Tag is a concatenation of the customer group id and the access status to the product being loaded. ![]() I have added my own additional tag to X-Magento-Tag by adding a block that implements Magento\Framework\DataObject\IdentityInterface. Fastly just seem to cache differently IN magento cloud staging environment. Please note that this code works in my development environment and Varnish is also enabled and works in my development environment. I am now in a situation where I need to be able to remove access to a product from a certain customer group in the Magento admin form in the backend and as soon as this is done, a customer belonging to that customer group should no longer be able to access that product page in the frontend upon refreshing assuming the page is already opened in his/her browser. ![]() THIS IS FINE AND THIS IS THE EXPECTED BEHAVIOR Every time I do this, all I need to do is refresh the second tab containing the product details page and the price will change. I will usually open two tabs, and on one tab, I will log out of an account that belongs to customer associated with customer group A, then login to an account that belongs to a customer associated with customer group B. There are different customer group and each customer group get to see different prices on the product details page. It is being hosted on magento cloud so fastly is involved. Magento has the product details page accessible at catalog/product/view/id/.
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