What powers 
mupdf.com?
Last seen Oct 2026 · 23 technologies across 14 categories
Advertising
Analytics
CMS
Cookie compliance
Development
JavaScript frameworks
Miscellaneous
PaaS
Performance
Programming languages
Security
Tag managers
UI frameworks
Web servers
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Nov 2026.
- robots.txt not found
- llms.txt found
- llms-full.txt found
- ai.txt not found
- Nov 2026 * removed from robots.txt
- Nov 2026 robots.txt removed
- Sep 2026 robots.txt appeared
- Sep 2026 * added to robots.txt
- Sep 2026 * removed from robots.txt
- Aug 2026 robots.txt removed
Top search keywords
| Keyword | Position | Est. monthly visits |
|---|---|---|
| mupdf | #1 | 270 |
| pymupdf | #7 | 120 |
| splashtop | #81 | 100 |
| autods | #62 | 85 |
| faxzero | #58 | 47 |
| theranest | #81 | 47 |
| hapara | #67 | 38 |
| thryv | #93 | 38 |
| how to make a pdf smaller | #55 | 31 |
| readymag | #83 | 29 |
| dronedeploy | #68 | 23 |
| everlaw | #62 | 21 |
| mu pdf | #1 | 17 |
| splashtop business | #58 | 14 |
| speedify | #64 | 14 |
| resova | #66 | 14 |
| redact pdf | #63 | 11 |
| combine pdf files | #66 | 11 |
| combine pdfs into one | #85 | 11 |
| svg reader | #88 | 11 |
| mupdf js | #1 | 10 |
| mupdf windows | #1 | 9 |
| mizzou library | #52 | 9 |
| winforms | #69 | 9 |
| ghostscript | #82 | 9 |
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
Standards: llms.txt, llms-full.txt
Audience
- 73% desktop
- 27% phone
India
Brazil
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
6.01 / 10 · ranked #108,912 of all domains
321 referring domains · OpenPageRank
Search traffic
1,400 est. monthly organic visits (US)
439 keywords in Google's top 30
Core Web Vitals
| LCP | 1.9 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: English
- CDN: Vercel
- Weight: 1.3 MB · 81 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- Artifex Software Inc.
- Industry: Software and apps (declares
SoftwareApplication) - Profiles: GitHub
From the homepage's own structured data (Oct 2026).
Infrastructure
- Registered Sep 2009 (17 years) via Gandi SAS, renews Sep 2027
- Hosted on Amazon Web Services (76.76.21.21)
- DNS: Amazon Route 53
- Email: no MX record returned
- SSL: Let's Encrypt, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 45,190, 6 hosts
- Verified with: Google
DNS records as swept Nov 2026, certificate as seen Nov 2026, registration from the registry's RDAP service. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.mupdf.com | 20 |
| mupdf.com | 17 |
| webviewer.mupdf.com | 14 |
| casper.mupdf.com | 2 |
Full technology history →
Report an incorrect detection
Recent changes
- dropped LottieFiles May 2026
- dropped core-js Apr 2026
- detected Turbopack Apr 2026