What powers pythontutor.com?
Last seen Aug 2026 · 8 technologies across 7 categories
Analytics
CDN
Font scripts
JavaScript graphics
Miscellaneous
Web Servers
Widgets
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 found
- ai.txt not found
Top search keywords
| Keyword | Position | Est. monthly visits |
|---|---|---|
| python tutor | #1 | 820 |
| python visualizer | #1 | 580 |
| code visualizer | #1 | 220 |
| py online | #14 | 150 |
| visualize | #9 | 120 |
| c plus plus online compiler | #14 | 100 |
| online java compiler | #14 | 83 |
| python online tutorial | #10 | 75 |
| python compiler | #52 | 70 |
| python debugger | #5 | 68 |
| python tutor: visualize | #1 | 64 |
| python tutor visualize | #1 | 64 |
| python debugging online | #2 | 63 |
| python online | #21 | 62 |
| online javascript compiler | #11 | 60 |
| python tutorial | #27 | 57 |
| python computer code | #90 | 57 |
| python code | #71 | 57 |
| python code | #59 | 57 |
| java debugger | #3 | 57 |
| ai python tutor | #1 | 52 |
| python debugger online | #2 | 52 |
| python ai tutor | #1 | 52 |
| python visualizer | #7 | 49 |
| c program online compiler | #12 | 46 |
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
Standards: llms.txt
Audience
- 77% desktop
- 22% phone
- 1% tablet
India
United States
Germany
Argentina
Singapore
Pakistan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
6.33 / 10 · ranked #86,688 of all domains
425 referring domains · OpenPageRank
Search traffic
7,900 est. monthly organic visits (US)
9,828 keywords in Google's top 30
Core Web Vitals
| LCP | 1.8 s |
| INP | 75 ms |
| CLS | 0.55 |
| TTFB | 1000 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English
- CDN: Cloudflare
- Weight: 4.5 MB · 21 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Subdomains
| Host | Techs |
|---|---|
| pythontutor.com | 6 |
| www.pythontutor.com | 4 |
Full technology history →
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Recent changes
- detected Google Font API Feb 2026
- detected Open Graph Feb 2026
- detected Unpkg Feb 2026
- detected Cloudflare Oct 2025