Chrome's New 'Cache Partitioning' System Impacts Google Fonts Performance

A change made in the Google Chrome browser in October has impacted the performance of the Google Fonts service for millions of websites. From a report: The change is an update to Chrome's internal cache system. A browser's cache system works by serving as a temporary storage system for images, CSS, and JavaScript files used by websites. Files stored in the cache are typically reused across multiple sites instead of having the browser re-download each file for every page/tab load. But with the release of Chrome 86 in early October 2020, Google has overhauled how Chrome's entire caching system works. Instead of using one big cache for all websites, Google has "partitioned" the Chrome cache, which will now be storing resources on a per-website and per-resource basis. While this is a big win for user security, preventing some forms of web attacks, this change has affected web services designed around the old cache system.

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