What powers perlego.com?
Last seen Jun 2026 · 51 technologies across 27 categories
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Top search keywords
| Keyword | Position | Est. monthly visits |
|---|---|---|
| program counter | #33 | 950 |
| nihilisms | #23 | 520 |
| economic cost can best be defined as | #36 | 520 |
| fin de siecle | #4 | 440 |
| avant garde | #67 | 350 |
| socialism | #51 | 350 |
| president lyndon johnson | #68 | 350 |
| aaron burr | #61 | 350 |
| apa style in text citation | #80 | 280 |
| manifest destiny | #67 | 280 |
| for dummies | #5 | 250 |
| avogadro's number | #48 | 230 |
| avogadro's constant | #52 | 230 |
| avogadro no | #61 | 230 |
| solipsism | #27 | 230 |
| argumentum ad hominem | #91 | 190 |
| quotient rule | #26 | 190 |
| quotient law | #32 | 190 |
| american indian movement | #59 | 190 |
| nihilism meaning | #34 | 190 |
| industrial revolution | #61 | 190 |
| 17th amendment | #56 | 190 |
| existentialism | #38 | 170 |
| avogadro constant | #53 | 170 |
| ontological | #47 | 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
- 48% phone
- 48% desktop
- 4% tablet
United States
India
Germany
United Kingdom
Brazil
France
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
6.93 / 10 · ranked #49,068 of all domains
970 referring domains · OpenPageRank
Search traffic
45,900 est. monthly organic visits (US)
58,544 keywords in Google's top 30
Core Web Vitals
| LCP | 2.8 s |
| INP | 200 ms |
| CLS | 0.05 |
| TTFB | 1000 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English
- CDN: Cloudflare
- Weight: 2.9 MB · 157 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| www.perlego.com | 29 |
| nginx-london.perlego.com | 26 |
| nginx-ohio.perlego.com | 26 |
| careers.perlego.com | 20 |
| roadmap.perlego.com | 20 |
| help.perlego.com | 14 |
| ereader.perlego.com | 11 |
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Recent changes
- detected Apple iCloud Mail May 2026
- dropped Hotjar Apr 2026
- dropped Amazon ALB Oct 2025
- dropped Java Oct 2025