It is one of the most common questions: do you need a cache plugin if you use managed hosting such as Kinsta, SiteGround or WP Engine? The answer is not always obvious.
When cache plugins are not needed
Many premium hosts already include advanced caching at server level: page caching, object caching and a CDN. Adding a cache plugin on top can create conflicts:
- Pages that do not update
- Duplicate content
- Features that fall out of sync
If your hosting handles caching well, you often do not need any extra plugin.
When they can be useful
A cache plugin can still be useful if you need custom rules, want to minify CSS/JS or optimise the HTML, or if your hosting does not offer detailed cache controls.
What to do
Always check your hosting documentation before installing a cache plugin. Kinsta, SiteGround and WP Engine, for example, do not allow plugins such as WP Super Cache or W3 Total Cache.
Conclusion
More cache is not always better. One well-configured cache beats two caches in conflict. If in doubt, contact your hosting support: you avoid problems and save time.