What powers c21locus.be?
Last seen Oct 2026 · 18 technologies across 13 categories
Analytics
Issue trackers
JavaScript frameworks
JavaScript libraries
Miscellaneous
PaaS
Performance
Programming languages
Security
Tag managers
UI frameworks
Webmail
AI Crawlers
Restricts 11 of 33 AI crawlers we track by name in its robots.txt. Checked Oct 2026.
Training crawlers
- Applebot-Extended Restricted
- Bytespider Restricted
- CCBot Restricted
- ClaudeBot Restricted
- cohere-training-data-crawler Restricted
- FacebookBot Restricted
- Google-Extended Restricted
- GPTBot Restricted
Search and AI assistants
- Amazonbot Restricted
- PerplexityBot Restricted
User-request fetchers
- ChatGPT-User Restricted
The other 22 AI crawlers we track are not mentioned and only inherit the catch-all rules that apply to every crawler.
- robots.txt found
- llms.txt found
- ai.txt not found
Content Signals:
search=yes ai-train=no ai-input=yes declared in robots.txt
- Oct 2026 Content Signals changed
- Sep 2026 applebot-extended added to robots.txt
- Sep 2026 bytespider added to robots.txt
- Sep 2026 ccbot added to robots.txt
- Sep 2026 anthropic-ai added to robots.txt
- Sep 2026 Content Signals changed
AI Crawlers
11 of 33 AI crawlers restricted
Standards: llms.txt, Content Signals
Audience
Belgium
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
0.34 / 10 · ranked #45,034,600 of all domains
0 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.4 s |
| INP | 125 ms |
| CLS | 0 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Dutch
- CDN: Vercel
- Weight: 1.6 MB · 76 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- Century 21 Locus
- Industry: Real estate (declares
RealEstateAgent)
From the homepage's own structured data (Oct 2026).
Infrastructure
- Hosted on Amazon Web Services (216.150.1.1)
- DNS: european-server.eu
- Email: Microsoft 365
- Email security: SPF (hard fail), DMARC monitor only
- SSL: Let's Encrypt, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 82,163,724, 2 hosts
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
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Recent changes
- dropped Bootstrap Oct 2026
- detected core-js Oct 2026
- detected Facebook Pixel Oct 2026
- dropped Font Awesome Oct 2026
- dropped HubSpot Oct 2026
- dropped jQuery Oct 2026
- dropped Laravel Oct 2026
- dropped Lightbox Oct 2026
- dropped Lodash Oct 2026
- dropped Nginx Oct 2026
- dropped PHP Oct 2026
- detected HSTS Sep 2026
- detected Mailjet Sep 2026
- detected Next.js Sep 2026
- detected Next.js App Router Sep 2026
- detected Node.js Sep 2026
- detected Open Graph Sep 2026
- detected Priority Hints Sep 2026
- detected PWA Sep 2026
- detected React Sep 2026
- detected Sentry Sep 2026
- detected Tailwind CSS Sep 2026
- detected Vercel Sep 2026
- detected Webpack Sep 2026
- dropped Angular Feb 2026
- dropped Sentry Feb 2026
- dropped TypeScript Feb 2026
- dropped Zone.js Feb 2026