Pages load slowly, browsing feels sticky
It is often DNS lookup, not bandwidth. The router DNS cache fills up or upstream gets slow.
Try this first
- 1Measure with Resolve-DnsName -Type A name.tld -Server currentdns and compare to 1.1.1.1
- 2Flush local cache with ipconfig /flushdns
- 3Switch temporarily to 1.1.1.1 or 9.9.9.9 to rule out upstream
- 4Check router DNS settings and whether the ISP DNS is rate-limited
When to bring us in
For SMBs with their own DNS: deploy a local resolver with conditional forwarders and monitor latency.
See also
- My laptop is suddenly slowThree main suspects: a runaway background process, near-full disk, or a Windows update in progress.
- One specific application is slow for everyoneIf an app is slow for one person: local. For everyone at once: server side or vendor side.
- Opening files from the file server takes minutesOften the server itself is fine and the issue is network routing or stalling DNS resolution.
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