Don't let the WordPress cache bog your browser down, kick it to the curb!
Allowing WordPress caching makes your WordPress website perform faster.
Therefore most sites enable it to deliver the best experience to its visitors.
Considering different technical circumstances, you may also need to clear your WordPress cache.
Why Should You Clear WordPress Cache Files?
There are events (plugin/theme updates, design update, database modification, changing images, add new page/post, etc.) that require clearing the WordPress website cache to make modifications visible.