What powers 
opticlass.de?
Last seen Sep 2026 · 17 technologies across 11 categories
Analytics
CMS
WordPress
since Apr 2022
Databases
MySQL
since Apr 2022
Font scripts
Hosting
ALL-INKL
since Aug 2022
JavaScript frameworks
Svelte
since May 2024
JavaScript libraries
Programming languages
PHP
since Apr 2022
UI frameworks
Tailwind CSS
since Aug 2024
Web servers
Apache HTTP Server
since Apr 2022
WordPress plugins
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 Oct 2026.
- robots.txt found
- llms.txt not checked
- ai.txt not checked
AI Crawlers
No AI crawlers blocked
Audience
- 85% phone
- 15% desktop
Germany
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.59 / 10 · ranked #818,687 of all domains
34 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.1 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: German
- Weight: 12.5 MB · 131 requests
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on NMM-AS D - 02742 Friedersdorf Hauptstrasse 68 (85.13.135.14)
- DNS: ALL-INKL
- Email: ALL-INKL
- Email security: SPF (soft fail), DMARC monitor only
- SSL: Let's Encrypt, ECDSA P256, expires Jan 2027
- Common Crawl link graph: rank 18,612,934, 17 hosts
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted