Hetzner Usage Statistics · Download List of All Websites using Hetzner
German based dedicated and virtual hosting running on 100% green energy.
Dedicated Hosting · German hosting
SPF Usage Statistics · Download List of All Websites using SPF
The Sender Policy Framework is an open standard specifying a technical method to prevent sender address forgery.
Cloudflare DNS Usage Statistics · Download List of All Websites using Cloudflare DNS
DNS services provided by Cloudflare.
SSL by Default Usage Statistics · Download List of All Websites using SSL by Default
The website redirects traffic to an HTTPS/SSL version by default.
HSTS Usage Statistics · Download List of All Websites using HSTS
Forces browsers to only communicate with the site using HTTPS.
HSTS IncludeSubdomains PreLoad Usage Statistics · Download List of All Websites using HSTS IncludeSubdomains PreLoad
This website includes instructions for HSTS loading that would allow it to be submitted to the HSTS preload list.
Apache Usage Statistics · Download List of All Websites using Apache
Apache has been the most popular web server on the Internet since April 1996.
Google Webmaster Usage Statistics · Download List of All Websites using Google Webmaster
Webmaster tools provide you with a free and easy way to make your site more Google-friendly.
Last technology detected on 17th July 2025. We know of 8 technologies on this page and 27 technologies removed from calc.al since 19th November 2017. Link to this page.
Add BuiltWith to for free! Get lookups easily and quickly.
Get a notification when calc.al adds new technologies.
Get calc.al profile as an XML, JSON, CSV or XLSX via the Domain API.
Can't find the technology you are looking for? Send us a suggestion, we will try and add it to our database.