What powers 
pester.com?
Last seen Oct 2026 · 15 technologies across 9 categories
Advertising
Linkedin Ads
since Sep 2024
CDN
Cloudflare
since Nov 2021
JavaScript libraries
Lightbox
since Apr 2023
Miscellaneous
Open Graph
since Sep 2022
Programming languages
Java
since Apr 2023
Security
Cloudflare Bot Management
since Nov 2021
HSTS
since Apr 2023
UI frameworks
Web servers
Apache HTTP Server
since Oct 2016
Webmail
Apple iCloud Mail
since Jan 2023
AI Crawlers
Doesn't name any of the 33 AI crawlers we track in its robots.txt. Catch-all rules (User-agent: *) restrict some paths for every crawler, AI or not. Checked Nov 2026.
- robots.txt found
- llms.txt not checked
- ai.txt not checked
AI Crawlers
No AI crawlers blocked
Audience
Germany
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.55 / 10 · ranked #839,119 of all domains
43 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.8 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Oct 2026.
Page
- Language: English
- Weight: 3.3 MB · 45 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on Hetzner (5.9.215.70)
- DNS: nodesecure.com
- Email: pester.com
- Email security: SPF (hard fail), DMARC quarantine, DNSSEC signed, MTA-STS
- SSL: Sectigo, RSA 4096, wildcard, expires Apr 2027
- Common Crawl link graph: rank 12,435,705, 5 hosts
- Verified with: Apple Business, Atlassian, Brevo, Google, Microsoft 365, Miro
DNS records as swept Nov 2026, certificate as seen Nov 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| jobs.pester.com | 12 |
| www.pester.com | 8 |
| mitarbeiterportal.pester.com | 2 |