Site Info - Optimizely.com

Optimizely Content Cloud CMS (formerly EPiServer CMS) is a content management system based on .NET.

Zendesk provides hosted customer service software.

Salesforce Customer 360 provides platforms that enables companies to connect with customers and partners.

Microsoft's Active Server Pages technology on the .NET framework.

Ruby is a general-purpose object-oriented language originally developed by Yukihiro "Matz" Matsumoto in Japan.

JavaScript is a lightweight, object-oriented, cross-platform scripting language, often used within web pages.

jQuery is a JavaScript library that simplifies HTML document traversing, event handling, animating and Ajax interaction. Originally developed by John Resig.

Bootstrap is an open source HTML, CSS, and JavaScript framework.

Cloudflare Server is a web server developed by Cloudflare.

The Internet Information Services (IIS) are a set of Internet-based services for Windows, developed by Microsoft.

Envoy Proxy is a proxy server designed for large service-oriented architectures.

Windows is an operating system produced by Microsoft.

Optimizely provides hosted web content management and digital commerce platforms.

Amazon is a US-based e-commerce and cloud computing provider.

Zendesk provides hosted customer service software.

Salesforce is a US-based provider of cloud-based software. This includes the former Demandware brand.

Optimizely provides hosted web content management and digital commerce platforms.

Amazon is a US-based e-commerce and cloud computing provider.

Cloudflare provides a content delivery network.

Cloudflare provides DNS servers and other web services.

Mimecast is a cyber security company providing email services headquartered in the UK.

Zendesk provides hosted customer service software.

GlobalSign is an IT security service provider, also operating as SSL certificate authority.

Let’s Encrypt is a free, automated, and open certificate authority provided by the Internet Security Research Group.

DigiCert is an SSL certificate authority. This includes Verizon, whose Enterprise SSL Business has been acquired by DigiCert.

jsDelivr is a service for hosting JavaScript files.

unpkg is a JavaScript content delivery network for libraries that use the npm package manager.

Google Analytics is a free service to get detailed statistics about the visitors of a website, provided by Google. This includes the Ads conversion tracking and the Floodlight services.

Microsoft UET (Universal Event Tracking) records what visitors do on a website after they click on an ad.

Contentsquare is a hosted web analytics service. This includes the former ClickTale brand.

Segment is a customer data platform that includes web traffic data collection, owned by Twilio.

HubSpot Marketing Analytics is a web analytics tool by HubSpot.

The Google Advertising network consists of AdSense, DoubleClick and other services.

The Google Tag Manager is a Google service to support webmasters to manage tags on their websites.

External Cascading Style Sheets define style rules in a separate CSS file.

Embedded Cascading Style Sheets define a set of style rules in a <style> element within a web page.

Inline Cascading Style Sheets define style rules directly within an (X)HTML element using the style attribute.

Session cookies are temporary cookies, which are deleted when the user closes the browser.

Persistent cookies with an expiration time of up to 1 day.

Persistent cookies with an expiration time between 1 month and 1 year.

HttpOnly cookies are used only in the HTTP protocol and not in client side scripts, which may increase security.

Non-HttpOnly cookies are used in the HTTP protocol and also in client side scripts, which may be a security threat.

Secure cookies are used only via an encrypted connections, which may increase security.

Brotli is a lossless compression algorithm developed by Google.

Gzip (GNU zip) is a file compression algorithm.

A strong ETag is an HTTP header field for validation of cached web pages, that indicates a byte-for-byte identical page in the cache.

The Internet Protocol version 6 (IPv6) provides amongst others a vastly larger address space than the preceding version 4. We consider a website to support IPv6 if a 128-bit address is assigned to it, regardless of the content delivered at that address.

HTTP/2 is the second major version of the HTTP network protocol.

HTTP/3 is the third major version of the HTTP network protocol, derived from the QUIC protocol.

HTTP Strict Transport Security (HSTS) defines a mechanism enabling web sites to declare themselves accessible only via secure connections.

The websites redirects visitors to its www subdomain, e.g. from example.com to www.example.com.

The websites redirects visitors to use SSL encryption, e.g. from http://example.com/ to https://example.com/.

The Open Graph protocol, originally developed by Facebook, is an RDFa-based format that enables any web page to become a rich object in a social graph.

JSON-LD (JavaScript Object Notation for Linked Data) is a method of encoding Linked Data using JSON.

Generic RDFa (Resource Description Framework in attributes) is RDFa without further specialization.

Twitter/X Cards enable automatic attachment of photos, videos and media elements to tweets.

HTML5 is the fifth revision of the HTML standard.

Strict version of HTML.

UTF-8 (8-bit Unicode Transformation Format) is a variable-length character encoding for Unicode, which is backwards compatible with ASCII.

PNG (Portable Network Graphics) is a lossless compression image format, suitable to store graphics with uniformly colored areas, and originally introduced as a free, open-source successor of GIF.

JPEG (Joint Photographic Experts Group) is a lossy compression method suitable to store photographic images.

Scalable Vector Graphics (SVG) is an XML-based vector image format.

WebP is an image format that provides lossless and lossy compression, developed by Google.

GIF (Graphics Interchange Format) is a lossless compression image format, originally introduced by CompuServe and suitable to store graphics, logos and simple animations.

Commercial entities