What powers ptj.de?
Last seen Jun 2026 · 15 technologies across 10 categories
Analytics
Matomo Analytics
since Aug 2020
Font scripts
Font Awesome
since Jul 2024
JavaScript graphics
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2024
PWA
since Sep 2024
Operating systems
Ubuntu
since May 2019
Programming languages
PHP
since Jan 2023
Security
HSTS
since Sep 2022
UI frameworks
Web servers
Apache HTTP Server
since Aug 2018
Top search keywords
| Keyword | Position | Est. monthly visits |
|---|---|---|
| trl nasa | #45 | 2 |
| dynatree | #8 | 2 |
| forschungszentrum jlich | #12 | 2 |
| trl 9 | #80 | 1 |
| what natural resources are in germany | #69 | 1 |
| jlich | #35 | 1 |
| julich germany | #62 | 1 |
| forschungszentrum jlich | #26 | 1 |
| trl 6 definition | #52 | 0 |
| trl 5 definition | #61 | 0 |
| trl 4 definition | #55 | 0 |
| trl 4 | #89 | 0 |
| start-up factory | #63 | 0 |
| nasa trl definition | #46 | 0 |
| natural resources in germany map | #53 | 0 |
| ketep | #35 | 0 |
| material experiment | #63 | 0 |
| dr glitz | #58 | 0 |
| elektromobilitt | #19 | 0 |
| experimental material | #62 | 0 |
| experiment materials | #42 | 0 |
| forschungszentrum | #75 | 0 |
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
- 72% desktop
- 28% phone
Germany
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
7.72 / 10 · ranked #12,689 of all domains
1,827 referring domains · OpenPageRank
Search traffic
11 est. monthly organic visits (US)
22 keywords in Google's top 30
Core Web Vitals
| LCP | 2.7 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 1300 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: German
- Weight: 3.0 MB · 65 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| formulare.ptj.de | 8 |
| umfragen.ptj.de | 8 |
| www.ptj.de | 8 |
| event.ptj.de | 7 |
| agdata.ptj.de | 6 |
| agroecology.ptj.de | 6 |
| ejp-soil.ptj.de | 6 |
| eupahw.ptj.de | 6 |
| futurefoods.ptj.de | 6 |
| lastenrad.ptj.de | 6 |
| lis.ptj.de | 6 |
| marlen.ptj.de | 6 |
| progres-nrw-research.ptj.de | 6 |
| submission-ict-agri-food.ptj.de | 6 |