What the DNS Resolver Cache Is and Why It Matters for Web PerformanceRead More

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Posted on by Shamal Jayawardhana | Last updated on
3D illustration showing DNS server resolving and caching data before reaching a user device, visualizing DNS and CDN caching flow.

Every time you visit a website, your browser needs to find its IP address. This is done through the Domain Name System (DNS). But DNS lookups can be slow, especially when multiple external servers are involved. To speed things up, your system stores the results of recent lookups in a temporary memory called the DNS […]

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