What powers pen.org?
Last seen Jun 2026 · 77 technologies across 28 categories
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Top search keywords
| Keyword | Position | Est. monthly visits |
|---|---|---|
| banned books list | #2 | 9,800 |
| pen | #3 | 6,600 |
| pen | #3 | 6,600 |
| list of banned books | #1 | 5,500 |
| banned books | #4 | 4,900 |
| book censorship in america | #1 | 3,000 |
| bans bans | #4 | 1,800 |
| dei meaning | #80 | 1,400 |
| america | #88 | 1,200 |
| banned book list | #2 | 980 |
| what books are banned in the us | #1 | 730 |
| actor morgan | #25 | 710 |
| amy reid | #5 | 690 |
| list of banned books in america | #2 | 660 |
| andrea mitchell | #8 | 650 |
| death becomes her film | #93 | 630 |
| book banning | #1 | 550 |
| top books | #2 | 540 |
| american booksellers association | #36 | 520 |
| pete seeger | #26 | 420 |
| salinger catcher in the rye | #14 | 410 |
| katie halper | #4 | 360 |
| being a wallflower | #91 | 350 |
| sarah j maas | #96 | 350 |
| most banned books | #2 | 310 |
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
- 59% desktop
- 41% phone
United States
India
Japan
Germany
United Kingdom
Brazil
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
8.26 / 10 · ranked #4,381 of all domains
4,259 referring domains · OpenPageRank
Search traffic
86,900 est. monthly organic visits (US)
25,482 keywords in Google's top 30
Core Web Vitals
| LCP | 1.2 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English (United States)
- CDN: Cloudflare, Fastly
- Weight: 4.6 MB · 139 requests
- WordPress theme: custompen-america · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| pen.org | 50 |
| worldvoices.pen.org | 45 |
| onlineharassmentfieldmanual.pen.org | 35 |
| iwb.pen.org | 20 |
| campusfreespeechguide.pen.org | 19 |
| support.pen.org | 18 |
| donate.pen.org | 16 |
| act.pen.org | 15 |
| www.pen.org | 12 |
Full technology history →
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Recent changes
- detected Amazon S3 May 2026
- dropped Google Font API Apr 2026
- dropped Modern Image Formats Apr 2026
- detected Site Kit Apr 2026
- dropped Hotjar Mar 2026
- dropped lit-element Mar 2026
- dropped lit-html Mar 2026
- detected TikTok Pixel Jan 2026
- detected Google Font API Dec 2025
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- dropped Google Font API Oct 2025
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- detected Google Font API Aug 2025