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.
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.
LetsEncrypt Usage Statistics · Download List of All Websites using LetsEncrypt
Let’s Encrypt is a free open Certificate Authority.
Root Authority
QuadraNet Usage Statistics · Download List of All Websites using QuadraNet
Dedicated, InfraCloud and Colocation hosting solution previous known as OC3 Networks.
Cloud Hosting · Dedicated Hosting · US hosting
QUIC Usage Statistics · Download List of All Websites using QUIC
Quick UDP Internet Connections, pronounced quick is a transport layer network protocol developed by Google.
Robots Disallow Usage Statistics · Download List of All Websites using Robots Disallow
A robots disallow all directive with no other options.
Last technology detected on 28th April 2024. We know of 6 technologies on this page and 3 technologies removed from optimisticit.com since 14th January 2021. Link to this page.
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