What powers regex101.com?
Last seen Jun 2026 · 14 technologies across 10 categories
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Top search keywords
| Keyword | Position | Est. monthly visits |
|---|---|---|
| regex | #1 | 15,000 |
| regex101 | #1 | 6,200 |
| regex regular expression | #1 | 1,500 |
| regression expression | #7 | 1,300 |
| regex maker | #2 | 880 |
| regular expression maker | #2 | 880 |
| regular expression generator | #2 | 880 |
| regular expression creator | #2 | 880 |
| verify regex | #1 | 820 |
| regex builder | #1 | 820 |
| regexr | #2 | 660 |
| py regex | #5 | 570 |
| regular expression matching | #2 | 440 |
| regex for javascript | #4 | 360 |
| javascript regex | #3 | 320 |
| regular expression calculator | #1 | 300 |
| check regex | #1 | 300 |
| regular expression test | #1 | 300 |
| regex 101 | #1 | 250 |
| regex online | #1 | 220 |
| preg | #73 | 210 |
| java regex tester | #1 | 200 |
| regex pattern | #1 | 200 |
| regex online builder | #1 | 170 |
| online regex tester | #1 | 170 |
The site's top keywords in Google (US), with the visits each one is estimated to bring per month.
Top backlinks
Top links pointing at the site, one per source domain, strongest first. The anchor text opens the page carrying the link.
Audience
- 93% desktop
- 7% phone
Ukraine
Sweden
Egypt
Israel
Ireland
Hong Kong SAR China
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
8.06 / 10 · ranked #6,314 of all domains
2,316 referring domains · OpenPageRank
Search traffic
42,800 est. monthly organic visits (US)
5,482 keywords in Google's top 30
Core Web Vitals
| LCP | 2.3 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 900 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English
- Weight: 3.0 MB · 97 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| docs.regex101.com | 8 |
| regex101.com | 7 |
| www.regex101.com | 3 |
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Recent changes
- dropped Google Font API May 2026