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testnummers.nl Technology Profile

Technology stack detected on October 28, 20268 technologies detected

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Detected technology stack

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AlmaLinux
Operating systems
AlmaLinux is an open-source, community-driven Linux operating system that fills the gap left by the discontinuation of the CentOS Linux stable release.
View17,872websites using AlmaLinux
Apache HTTP Server 2.4.62
Web servers
Apache is a free and open-source cross-platform web server software.
View5,615,741websites using Apache HTTP Server
EmailJS 4
Email
Send email from Javascript.
View13,219websites using EmailJS
HSTS
Security
Forces browsers to only communicate with the site using HTTPS.
View14,488,555websites using HSTS
jsDelivr
CDN
A free CDN where Javascript developers can host their files. Encompasses MaxCDN, and BootstrapCDN.
View4,644,584websites using jsDelivr
Offer Schema
Schema
Offer to transfer an item or service like tickets, renting or bookings.
View760,175websites using Offer Schema
OpenSSL 3.5.8
Web server extensions
The OpenSSL Project is a collaborative effort to develop a robust, commercial-grade, full-featured, and Open Source toolkit implementing the Secure Sockets Layer (SSL v2/v3) and Transport Layer Security (TLS v1) protocols as well as a full-strength general purpose cryptography library.
View239,371websites using OpenSSL
Priority Hints
Performance
A mechanism for developers to signal a relative priority for browsers to consider when fetching resources.
View10,267,148websites using Priority Hints

Counts are websites in the TechLeads dataset using each technology. Detected October 28, 2026.

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