What powers purplemath.com?
Last seen Jun 2026 · 31 technologies across 12 categories
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Top search keywords
| Keyword | Position | Est. monthly visits |
|---|---|---|
| quadratic formula | #3 | 53,500 |
| distance formula | #2 | 32,600 |
| unit ci | #9 | 12,300 |
| midpoint formula | #3 | 10,700 |
| trig identities | #5 | 9,400 |
| abs value | #2 | 8,000 |
| mean median mode | #3 | 7,200 |
| binomial equation | #2 | 5,400 |
| absolute sign | #3 | 4,800 |
| set notation | #1 | 4,500 |
| remainder theorem | #1 | 3,700 |
| polynomial long division | #2 | 3,600 |
| order of operations | #5 | 3,500 |
| cramer's rule | #2 | 2,900 |
| horizontal asymptote rules | #2 | 2,900 |
| how to solve inverse functions | #2 | 2,900 |
| difference of cubes | #2 | 2,900 |
| pemdas | #7 | 2,800 |
| pemdas | #7 | 2,800 |
| greek letters | #7 | 2,800 |
| descartes rule of signs | #1 | 2,500 |
| 2sin2x identity | #1 | 2,500 |
| exponential growth | #3 | 2,400 |
| pythagorean theorem | #11 | 2,200 |
| logarithm rules | #6 | 2,000 |
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
- 67% desktop
- 30% phone
- 3% tablet
United States
India
United Kingdom
Indonesia
Canada
Australia
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
6.41 / 10 · ranked #81,357 of all domains
584 referring domains · OpenPageRank
Search traffic
416,100 est. monthly organic visits (US)
41,264 keywords in Google's top 30
Core Web Vitals
| LCP | 2.1 s |
| INP | 100 ms |
| CLS | 0.05 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English
- CDN: Sucuri Firewall
- Weight: 2.6 MB · 1,438 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| www.purplemath.com | 28 |
| purplemath.com | 8 |
Full technology history →
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Recent changes
- detected Facebook Pixel May 2026
- dropped Microsoft ASP.NET Apr 2026
- dropped Criteo Feb 2026
- dropped Google Publisher Tag Feb 2026
- dropped reCAPTCHA Feb 2026