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Content Not Updating? Try Purging Site Cache
If you are not seeing changes you made on your website, you may need to purge cache. This article explains what…
How to Brace for a Surge of Traffic
In this article we explain the important factors which can impact your site's scalability for traffic spike, and…
Tips On Improving Page Cacheability
Learn how page cache works to improve your site speed, what a cacheability rating is, and how to improve cacheability…
How They Work: WordPress Cookies and PHP Sessions
Find out what cookies and PHP sessions are, plus how they work with page caching and what the implications are…
WP Engine’s Object Caching
In this article you'll learn about WP Engine's optional Object Caching layer, what it does, and how it's beneficial…
utm and gclid Variables and Caching
Learn how marketers use utm and gclid variables to track marketing campaigns, and how these variables interact…
Personalization with User Segmentation and Page Cache
We explore how to develop page variations for different users on your website with User Segmentation, and how this…
Resolving 504 Gateway Timeout Errors
Discover what 504 errors are, why they happen, and what steps you can take to resolve them.…
Cache-Control Headers on WP Engine
In this article we explain how cache-control headers work, and how to tell if your page or file is hitting cache…
Troubleshooting High Time to First Byte (TTFB)
We identify prime causes of high Time to First Byte (TTFB) and recommend optimizations to improve your site's TTFB.…