What powers 
xpdfreader.com?
Last seen Sep 2026 · 8 technologies across 8 categories
Font scripts
JavaScript libraries
Message boards
Miscellaneous
Operating systems
Programming languages
Web server extensions
Web servers
AI Crawlers
Blocks 32 of 33 AI crawlers we track by name in its robots.txt. Checked Oct 2026.
Training crawlers
- AI2Bot Blocked
- Applebot-Extended Blocked
- Bytespider Blocked
- CCBot Blocked
- ClaudeBot Blocked
- cohere-training-data-crawler Blocked
- Diffbot Blocked
- FacebookBot Blocked
- Google-CloudVertexBot Blocked
- Google-Extended Blocked
- GoogleOther Blocked
- GPTBot Blocked
- ImagesiftBot Blocked
- img2dataset Blocked
- meta-externalagent Blocked
- PanguBot Blocked
- SBIntuitionsBot Blocked
- Webzio-Extended Blocked
Search and AI assistants
- Amazonbot Blocked
- Applebot Blocked
- Claude-SearchBot Blocked
- DuckAssistBot Blocked
- OAI-SearchBot Blocked
- PerplexityBot Blocked
- PetalBot Blocked
- YouBot Blocked
User-request fetchers
- ChatGPT-User Blocked
- Claude-User Blocked
- GoogleAgent-Mariner Blocked
- meta-externalfetcher Blocked
- MistralAI-User Blocked
- Perplexity-User Blocked
The other 1 AI crawler we track is not mentioned and stays allowed by default.
- robots.txt found
- llms.txt not found
- ai.txt not found
Top search keywords
| Keyword | Position | Est. monthly visits |
|---|---|---|
| pdf reader | #58 | 70 |
| pdf reader | #58 | 70 |
| xpdf | #1 | 44 |
| pdfimages | #1 | 33 |
| convert pdf file to text | #69 | 25 |
| convert pdf file to text | #69 | 25 |
| pdf to text | #23 | 25 |
| pdf to text | #23 | 25 |
| how can i type on a pdf | #73 | 21 |
| pdftotext.exe | #1 | 15 |
| xpdfreader | #1 | 11 |
| pdf to txt file | #57 | 9 |
| pdf to txt | #61 | 9 |
| convert pdf to text | #43 | 8 |
| convert pdf to text | #43 | 8 |
| xpdf | #5 | 7 |
| pdftotext | #1 | 7 |
| pdf to text file | #30 | 7 |
| pdf to text file | #30 | 7 |
| xpdf-tools | #2 | 6 |
| xpdf download | #2 | 5 |
| pdf viewer xp | #4 | 5 |
| convert pdf to html | #28 | 3 |
| convert pdf to html | #28 | 3 |
| pdf2text | #8 | 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
32 of 33 AI crawlers blocked
Audience
- 88% desktop
- 12% phone
India
United States
Italy
Spain
Germany
Brazil
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
5.52 / 10 · ranked #156,045 of all domains
229 referring domains · OpenPageRank
Search traffic
490 est. monthly organic visits (US)
184 keywords in Google's top 30
Core Web Vitals
| LCP | 1.5 s |
| CLS | 0 |
| TTFB | 1300 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Weight: 0.0 MB · 6 requests
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Registered Aug 2015 (11 years) via DomainSpot LLC, renews Aug 2028
- Hosted on AS-SONICTELECOM (135.180.178.139)
- DNS: foolabs.com
- Email: xpdfreader.com
- Email security: no SPF record, no DMARC record
- Common Crawl link graph: rank 463,990, 4 hosts
DNS records as swept Oct 2026, registration from the registry's RDAP service. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| forum.xpdfreader.com | 8 |
| www.xpdfreader.com | 4 |