JavaScript Libraries and Functions

ReactReact

React Usage Statistics · Download List of All Websites using React

A JavaScript library for building user interfaces from Facebook.

JavaScript Library

SSL Certificates

SSL by DefaultSSL by Default

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.

HSTSHSTS

HSTS Usage Statistics · Download List of All Websites using HSTS

Forces browsers to only communicate with the site using HTTPS.

Email Hosting Providers

SPFSPF

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.

Profile Details

Last technology detected on 27th April 2025. We know of 21 technologies on this page and 2 technologies removed from spectaclebuilder.com since 25th January 2022. Link to this page.

Add BuiltWith to for free! Get lookups easily and quickly.

Get a notification when spectaclebuilder.com adds new technologies.

Get spectaclebuilder.com profile as an XML, JSON, CSV or XLSX via the Domain API.

Suggest a Technology

Can't find the technology you are looking for? Send us a suggestion, we will try and add it to our database.