What powers 
nand2tetris.org?
Last seen Aug 2026 · 17 technologies across 11 categories
Analytics
CDN
CMS
IaaS
Issue trackers
JavaScript frameworks
JavaScript libraries
Miscellaneous
Performance
Security
UI frameworks
AI Crawlers
Blocks 1 of 33 AI crawlers we track by name in its robots.txt. Checked Sep 2026.
Search and AI assistants
- PetalBot Blocked
The other 32 AI crawlers we track are not mentioned and only inherit the catch-all rules that apply to every crawler.
- robots.txt found
- llms.txt found
- ai.txt not checked
Top search keywords
| Keyword | Position | Est. monthly visits |
|---|---|---|
| tetris | #33 | 1,700 |
| nand2tetris | #1 | 490 |
| tetris online | #43 | 57 |
| mit scratch programming | #51 | 53 |
| from nand to tetris | #1 | 52 |
| anachronistic meaning | #72 | 31 |
| first computer | #60 | 25 |
| first principles | #48 | 25 |
| nand logic gate | #22 | 22 |
| and gate from nand gate | #58 | 21 |
| nand gate logic | #92 | 21 |
| define anachronistic | #77 | 16 |
| nand2 | #1 | 15 |
| mit free courses | #63 | 14 |
| tetris online free | #74 | 13 |
| nand2tetris ide | #1 | 12 |
| computer architecture | #57 | 11 |
| tetris emulator | #9 | 11 |
| computer build guide | #83 | 9 |
| shimon | #87 | 9 |
| nand2tetris course | #1 | 9 |
| noam | #69 | 9 |
| google tetris | #40 | 9 |
| hardware simulator software | #1 | 9 |
| the mit press | #59 | 8 |
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
1 of 33 AI crawlers blocked
Standards: llms.txt
Audience
- 75% desktop
- 23% phone
- 1% tablet
United States
India
Japan
Brazil
United Kingdom
Israel
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
5.77 / 10 · ranked #130,938 of all domains
235 referring domains · OpenPageRank
Search traffic
3,000 est. monthly organic visits (US)
1,160 keywords in Google's top 30
Core Web Vitals
| LCP | 0.8 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English
- CDN: Cloudflare, Fastly
- Weight: 2.0 MB · 170 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on Wix (185.230.63.107)
- DNS: Wix DNS
- Email: nand2tetris.org
- Email security: no SPF record, no DMARC record
- SSL: Let's Encrypt, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 43,058, 2 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.nand2tetris.org | 15 |
| nand2tetris.org | 7 |
Full technology history →
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