Purpose of Output Cache
- Using Output Cache settings, we can improve the page performance in SharePoint online.
- Faster page load and better user experience
- Page output cache settings can be configured at the site collection level, the site level, and for individual page layouts.
- It reduces the server control activities and calls to the database
Note. Make sure to activate the SharePoint publishing infrastructure feature on your site collection.
![SharePoint]()
The site collection administrator can only define a new cache profile.
Steps to Enable the Output Cache
Follow the below-listed steps to configure the Output Cache settings.
Step 1. Go to the SharePoint site collection where you want to enable the output cache.
![Output Cache]()
Step 2. Then, go to the Site Settings page by clicking the gear icon on the site.
![Site Settings page]()
Step 3. On the Site Settings page, you can see the Site collection output cache settings under the Site Administration category.
![Site collection]()
Step 4. Then, check the “Enable Output Cache” on the output cache settings page, as shown below.
![Enable Output Cache]()
Step 5. Then, select the cache profile. By default, 3 cache profiles are available. I’ve selected Intranet since I am enabling this feature for an intranet site.
![Intranet site]()
Step 6. If you want individual page layouts to be able to override the default cache profile, click the "Page Layouts can use a different page output cache profile" option under Page Output Cache Policy.
![Page Layouts]()
Step 7. Then, enable the debug cache information page if you want to include the date and time when the page contents were last rendered.
![Debug cache information]()
Step 8. Finally, click the “OK” button to save the output cache settings.
![Cache settings]()
We can configure the output cache settings at the site level.
More References: https://support.office.com/en-us/article/improve-page-rendering-by-configuring-output-caching-d7d7d175-30ba-4b4f-a933-dc3528006786
Summary
In this article, we have explored how to enable the Output Cache option in SharePoint online.