What powers pdf.io?
Last seen Jun 2026 · 11 technologies across 9 categories
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Top search keywords
| Keyword | Position | Est. monthly visits |
|---|---|---|
| pdf en png | #5 | 3,500 |
| pdf en png | #5 | 3,500 |
| hpy | #54 | 630 |
| #21 | 570 | |
| pdf to word | #40 | 520 |
| pdf to jpg | #41 | 350 |
| combine pdf | #53 | 280 |
| pdf merge | #39 | 280 |
| word to pdf | #32 | 230 |
| png to pdf | #20 | 220 |
| png en pdf | #20 | 220 |
| png pdf | #21 | 210 |
| pdf to png | #19 | 200 |
| pdf a png | #73 | 160 |
| pdf a png | #73 | 160 |
| pdf tools online | #7 | 140 |
| convert pdf to jpg format | #67 | 130 |
| convert pdf to jpg format | #67 | 130 |
| convert pdf document to jpg | #82 | 130 |
| convert pdf document to jpg | #82 | 130 |
| image to pdf | #36 | 130 |
| foto to pdf | #25 | 130 |
| foto to pdf | #25 | 130 |
| pdf io | #1 | 120 |
| pdf io | #1 | 120 |
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.
Audience
- 81% desktop
- 17% phone
- 1% tablet
India
Brazil
Italy
Indonesia
Spain
Russia
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
5.36 / 10 · ranked #176,803 of all domains
117 referring domains · OpenPageRank
Search traffic
17,200 est. monthly organic visits (US)
2,651 keywords in Google's top 30
Core Web Vitals
| LCP | 1.9 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 900 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English
- Weight: 1.4 MB · 58 requests
- Structured data: JSON-LD
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
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Recent changes
- dropped Cloudflare Jun 2026
- detected Nginx May 2026
- dropped HTTP/3 Dec 2025
- detected Google Tag Manager Sep 2025
- dropped Google Tag Manager Aug 2025