What powers scratchapixel.com?
Last seen Aug 2026 · 4 technologies across 3 categories
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Sep 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
Top search keywords
| Keyword | Position | Est. monthly visits |
|---|---|---|
| rasterization | #3 | 390 |
| 3d computer graphics | #3 | 350 |
| obj file type | #2 | 140 |
| barycentric coordinates | #3 | 97 |
| monte carlo technique | #27 | 70 |
| monte carlo integration | #3 | 70 |
| lookat camera | #1 | 64 |
| reflection or refraction | #6 | 54 |
| shading math | #1 | 52 |
| ray-sphere intersection | #1 | 43 |
| ray sphere intersection | #1 | 43 |
| orthographic projection matrix | #1 | 43 |
| camera pinhole | #20 | 36 |
| trilinear interpolation | #2 | 34 |
| triangle ray intersection | #1 | 33 |
| ray-triangle intersection | #1 | 33 |
| ray-plane intersection | #1 | 33 |
| scratchapixel | #1 | 33 |
| volume rendering | #3 | 31 |
| lambertian reflectance | #5 | 28 |
| ray intersection | #1 | 27 |
| monte carlo method example | #4 | 26 |
| gpu rasterization | #3 | 25 |
| bezier patches | #2 | 23 |
| noise value | #2 | 23 |
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 robots.txt, all AI crawlers allowed
Audience
- 69% desktop
- 31% phone
United States
India
United Kingdom
South Korea
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
5.60 / 10 · ranked #146,689 of all domains
355 referring domains · OpenPageRank
Search traffic
3,200 est. monthly organic visits (US)
1,247 keywords in Google's top 30
Core Web Vitals
| LCP | 1.2 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 1000 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Weight: 1.4 MB · 6 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on Network Solutions (206.188.193.30)
- DNS: Network Solutions
- Email: oxcs.net
- Email security: no SPF record, no DMARC record
- SSL: Network Solutions, RSA 2048, expires Oct 2026
- Common Crawl link graph: rank 449,554, 2 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| scratchapixel.com | 4 |
| www.scratchapixel.com | 4 |
Full technology history →
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Recent changes
- dropped Google Analytics Aug 2026
- dropped Tally Aug 2026