The Disappearing Cache
Google Chrome utilizes a complex caching system to speed up your browsing experience. It saves elements of websites (images, scripts, HTML files) locally to your hard drive so that the next time you visit, the page loads instantly from your local disk rather than re-downloading everything from the internet. These are essentially “offline files.” However, if you are struggling with limited storage space on a small laptop SSD, Chrome can be configured to automatically delete these offline files and cached images every single time you close the browser, forcing a fresh download upon your next visit.
Preserving the Offline Cache
To ensure websites load as fast as possible on return visits and stop Google Chrome from automatically deleting its cache of offline files when you exit, you must adjust the browser’s data clearing behavior.
Open Google Chrome. Click the three vertical dots in the top-right corner and select Settings. In the left-hand navigation sidebar, click on Privacy and security. In the main central panel, click on Site settings. Scroll down this page and click to expand the Additional content settings menu, then click on On-device site data. Look for the critical setting labelled Delete data sites have saved to your device when you close all windows. If the toggle next to this is turned on, Chrome is aggressively purging your cache upon exit. Click the toggle to turn it Off. Chrome will now retain its cached files, allowing your favorite websites to load instantly the next time you open the browser.