What powers pdf.co?
Last seen Jun 2026 · 59 technologies across 24 categories
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Top search keywords
| Keyword | Position | Est. monthly visits |
|---|---|---|
| #5 | 11,500 | |
| pdffiller | #13 | 290 |
| pdffiller | #13 | 290 |
| merge pdf documents | #68 | 280 |
| merge pdf documents free | #81 | 85 |
| how to join pdf files | #96 | 57 |
| pdf split | #65 | 53 |
| pdf split | #65 | 53 |
| software to edit pdf documents | #95 | 38 |
| extract pdf | #8 | 35 |
| pdfc.co charge | #2 | 34 |
| pdfc.co charge | #2 | 34 |
| convert pdf to xls | #74 | 31 |
| pdffiller pricing | #3 | 31 |
| pdffiller pricing | #3 | 31 |
| pdf filler pricing | #2 | 28 |
| pdf combine | #72 | 28 |
| pdf extract | #11 | 26 |
| zapier cost | #66 | 21 |
| pdf co api | #1 | 21 |
| how to merge pdf files | #96 | 21 |
| excel to pdf | #68 | 21 |
| how to make a pdf fillable | #49 | 19 |
| pdf to pdf | #11 | 17 |
| pdf to pdf | #11 | 17 |
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
- 54% phone
- 45% desktop
- 1% tablet
India
Germany
United Kingdom
Brazil
France
Italy
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
5.46 / 10 · ranked #163,467 of all domains
115 referring domains · OpenPageRank
Search traffic
14,100 est. monthly organic visits (US)
1,851 keywords in Google's top 30
Core Web Vitals
| LCP | 2.5 s |
| INP | 150 ms |
| CLS | 0 |
| TTFB | 800 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English
- CDN: Vercel
- Weight: 2.3 MB · 104 requests
- Structured data: JSON-LD, OpenGraph
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| docs.pdf.co | 27 |
| app.pdf.co | 26 |
| support.pdf.co | 26 |
| pdf.co | 23 |
| www.pdf.co | 21 |
| developer.pdf.co | 19 |
| apidocs.pdf.co | 16 |
Full technology history →
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Recent changes
- dropped shadcn/ui Jun 2026
- detected Turbopack May 2026
- dropped KaTeX Apr 2026
- detected Cloudflare Browser Insights Feb 2026
- detected shadcn/ui Feb 2026
- dropped reCAPTCHA Dec 2025
- dropped Sentry Nov 2025
- dropped Lodash Oct 2025
- detected Radix UI Oct 2025
- dropped Mintlify Sep 2025
- detected Nginx Sep 2025
- detected Intercom Aug 2025
- detected Next.js App Router Aug 2025