"Clear cache" means to delete temporary files and data stored in your device or computer's memory that could be slowing it down or causing issues.
Sentences with «clear cache»
Users can try to fix the issue by clearing the cache on the smartphone or completing a hard reset. (mobilesyrup.com)
The smart manager helps increase the performance of the device by clearing the cache from your device and stops the unwanted applications and release memory on your device. (phoneradar.com)
Can you try a different browser (one you don't use much and fully clear all cache in that) and see if you can see it? (woodus.com)