51CTO.COM

Sobot

Sobot Usage Statistics · Download List of All Websites using Sobot

Intelligent customer service robot system.

Live Chat

Viewport Meta

Viewport Meta Usage Statistics · Download List of All Websites using Viewport Meta

This page uses the viewport meta tag which means the content may be optimized for mobile content.

IPhone / Mobile Compatible

IPhone / Mobile Compatible Usage Statistics · Download List of All Websites using IPhone / Mobile Compatible

The website contains code that allows the page to support IPhone / Mobile Content.

HSTS

HSTS Usage Statistics · Download List of All Websites using HSTS

Forces browsers to only communicate with the site using HTTPS.

nginx

nginx Usage Statistics · Download List of All Websites using nginx

nginx [engine x] is a HTTP server and mail proxy server written by Igor Sysoev.

UTF-8

UTF-8 Usage Statistics

UTF-8 (8-bit UCS/Unicode Transformation Format) is a variable-length character encoding for Unicode. It is the preferred encoding for web pages.

HTML5 DocType

HTML5 DocType Usage Statistics

The DOCTYPE is a required preamble for HTML5 websites.

Cache Control

Cache Control Usage Statistics

Cache Control setting on the page to provide caching performance gains.

Canonical Content Tag

Canonical Content Tag Usage Statistics

Public specification of a preferred URL for a page allows search engines to understand the original location for content.

JSON-LD

JSON-LD Usage Statistics

JSON-LD, or JavaScript Object Notation for Linked Data, is a method of transporting Linked Data using JSON.

Cascading Style Sheets

Cascading Style Sheets Usage Statistics

Cascading Style Sheets (CSS) is a stylesheet language used to describe the presentation of a document written in a markup language. Its most common application is to style web pages written in HTML

HTML 5 Specific Tags

HTML 5 Specific Tags Usage Statistics

This page contains tags that are specific to an HTML 5 implementation.

Javascript

Javascript Usage Statistics

JavaScript is a scripting language most often used for client-side web development.

Strict Transport Security

Strict Transport Security Usage Statistics

The HTTP Strict-Transport-Security (HSTS) header instructs the browser to only use https.

Content Delivery Network

Content Delivery Network Usage Statistics · Download List of All Websites using Content Delivery Network

This page contains links that give the impression that some of the site contents are stored on a content delivery network.