monitortester.com
monitortester.com is a live English-language website hosted on Cloudflare, Inc. (AS13335) in the United States, served by Cloudflare. cl0q first saw it on 2026-09-27 and last crawled it on 2026-09-27. It resolves to 104.21.23.139. Its favicon is fingerprinted by SHA-256, so you can find every other site that serves the same icon.
How the site describes itself:
Screen Test - Free Online Monitor Tester | MonitorTester
Free online screen test in your browser: solid colors, grayscale, gradients, color bars and motion patterns to check dead pixels, bleed, tint and burn-in.
| Status | 200 OK — live & indexed by cl0q |
|---|---|
| First seen | 2026-09-27 |
| Last crawled | 2026-09-27 |
| IPv4 | 104.21.23.139 |
| IPv6 | 2606:4700:3037::6815:178b |
| Network | AS13335 Cloudflare, Inc. · United States |
| Language | en |
| Server | cloudflare |