What powers pi4srs.nl?
Last seen Sep 2026 · 19 technologies across 12 categories
Analytics
Google Analytics
since Apr 2023
CMS
WordPress
since Aug 2022
Cookie compliance
CookieYes
since Apr 2023
Databases
MySQL
since Aug 2022
Font scripts
Font Awesome
since Aug 2025
Google Font API
since Aug 2022
JavaScript libraries
Swiper
since Oct 2023
Miscellaneous
RSS
since Dec 2022
Page builders
WordPress Block Editor
since Aug 2024
Performance
Priority Hints
since Aug 2023
Programming languages
PHP
since Aug 2022
Web servers
Apache HTTP Server
since Aug 2022
WordPress plugins
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Sep 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
Netherlands
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.84 / 10 · ranked #1,900,881 of all domains
18 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.2 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 900 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Dutch (Netherlands)
- Weight: 1.1 MB · 78 requests
- WordPress theme: newspaperly (child: the-newspaper-bureau) · all themes
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on PREVIDER-AS (141.138.169.226, IPv6)
- DNS: g1-dns.com
- Email: no MX record returned
- Email security: SPF (soft fail), DMARC quarantine, DNSSEC signed
- SSL: Sectigo, RSA 2048, expires Mar 2027
- Common Crawl link graph: rank 903,697, 2 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Full technology history →
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Recent changes
- detected Jetpack Boost Sep 2026
- dropped reCAPTCHA Sep 2026
- detected Swiper Sep 2026
- detected reCAPTCHA Jul 2026