System Design - 23. Bloom Filters: How Chrome Checks Billions of Malicious URLs Using Almost No Memory

Covers: Probabilistic Data Structures, False Positives vs False Negatives, Counting Bloom Filters, Tuning, Real Implementations A Question With a Surprising Answer How does Chrome check, on every single page load, whether the URL you're visiting is on a list of millions of known malicious website...

Source: [Dev.to](https://dev.to/rajkiran_389/system-design-23-bloom-filters-how-chrome-checks-billions-of-malicious-urls-using-almost-no-42na)