What powers 
erikdemaine.org?
Last seen Aug 2026 · 6 technologies across 5 categories
Analytics
CDN
Font scripts
Operating systems
Web Servers
AI Crawlers
Doesn't name any of the 33 AI crawlers we track in its robots.txt. Catch-all rules (User-agent: *) restrict some paths for every crawler, AI or not. Checked Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
Top search keywords
| Keyword | Position | Est. monthly visits |
|---|---|---|
| erik | #6 | 3,000 |
| erik demaine | #1 | 490 |
| hyperbolic paraboloid | #9 | 120 |
| tetris font | #1 | 120 |
| cut and fold theorem | #2 | 52 |
| demaine | #2 | 28 |
| hyperbolic paraboloid equation | #6 | 20 |
| origami cloud | #2 | 15 |
| cloud nine origin | #8 | 13 |
| tetris letters | #1 | 11 |
| font cut | #6 | 9 |
| cache-oblivious algorithms | #3 | 7 |
| origami mit | #3 | 7 |
| impossible font | #2 | 6 |
| erik and martin demaine | #2 | 6 |
| combinatorial game theory | #8 | 5 |
| tetris logo font | #2 | 5 |
| where did the phrase cloud 9 come from | #6 | 5 |
| origami sculptures | #6 | 5 |
| cut on the fold | #8 | 5 |
| why is cloud 9 called cloud 9 | #8 | 4 |
| origami fonts | #6 | 4 |
| jason ku | #7 | 4 |
| roman feet | #37 | 3 |
| one cut theorem | #2 | 3 |
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.
AI Crawlers
No AI crawlers blocked
Audience
- 63% desktop
- 37% phone
United States
India
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
5.60 / 10 · ranked #146,834 of all domains
249 referring domains · OpenPageRank
Search traffic
4,000 est. monthly organic visits (US)
506 keywords in Google's top 30
Core Web Vitals
| LCP | 1.1 s |
| INP | 200 ms |
| CLS | 0.1 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Weight: 1.7 MB · 32 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on MIT-GATEWAYS (128.52.131.233)
- Email: no MX record returned
- SSL: Let's Encrypt, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 37,225, 3 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| erikdemaine.org | 4 |
| www.erikdemaine.org | 4 |