What powers opti-zit.nl?
Last seen Sep 2026 · 35 technologies across 21 categories
Advertising
Analytics
Authentication
CMS
Cookie compliance
Databases
Ecommerce
Font scripts
JavaScript frameworks
JavaScript libraries
Miscellaneous
Performance
Programming languages
Security
Tag managers
UI frameworks
Video players
Web servers
Webmail
WordPress plugins
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Sep 2026.
- robots.txt found
- llms.txt found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Standards: llms.txt
Audience
Netherlands
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.21 / 10 · ranked #9,773,675 of all domains
2 referring domains · OpenPageRank
Core Web Vitals
| LCP | 3.3 s |
| INP | 125 ms |
| CLS | 0 |
| TTFB | 2500 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Dutch (Netherlands)
- Weight: 6.9 MB · 195 requests
- WordPress theme: avada (child: avada-child-theme) · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- Optizit
From the homepage's own structured data (Oct 2026).
Infrastructure
- Hosted on BITENCY-AS (37.72.106.243, IPv6)
- Email: no MX record returned
- Email security: SPF (soft fail), DMARC monitor only, DNSSEC signed
- SSL: Let's Encrypt, ECDSA P384, expires Nov 2026
- Common Crawl link graph: rank 74,382,263
- Verified with: Apple Business, Google
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
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Recent changes
- detected React Sep 2026
- dropped WP Rocket Sep 2026
- dropped jQuery Migrate Aug 2026
- dropped LazySizes Aug 2026
- dropped Lightbox Aug 2026
- dropped Modernizr Aug 2026
- dropped Selectize Aug 2026
- detected Apple iCloud Mail Jul 2026
- dropped cdnjs Jul 2026
- dropped Cloudflare Jul 2026
- detected Facebook Login Jul 2026
- detected YouTube Jul 2026
- dropped Flywheel Mar 2026
- detected GSAP Mar 2026
- detected HSTS Feb 2026
- detected Nginx Feb 2026