| Browser | OS | Engine | User Agent | When Created |
|---|---|---|---|---|
| Firefox 152 | Mac OS X 10.15 | Benchmark.js | Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:152.0) Gecko/20100101 Firefox/152.0 | one month ago |
| Firefox 144 | Linux | Benchmark.js | Mozilla/5.0 (X11; Linux x86_64; rv:144.0) Gecko/20100101 Firefox/144.0 | 9 months ago |
| Firefox 137 | Mac OS X 10.15 | Benchmark.js | Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:137.0) Gecko/20100101 Firefox/137.0 | one year ago |