Baidu Stack

Document Encoding

UTF-8

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

Document Standards

DNS Prefetch

Page contains links to disable or enable DNS prefetching of links in the page.

Meta Description

The description attribute provides a concise explanation of the page content.

Javascript

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

Javascript Defer

The defer attribute gives a hint to the browser that the script does not create any content so the browser can optionally defer interpreting the script. This can improve performance by delaying execution of scripts until after the body content is parsed and rendered.

HTML5 DocType

The DOCTYPE is a required preamble for HTML5 websites.

HTML 5 Specific Tags

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

Content Type Options

Used to disable MIME-sniffing for a particular HTTP response.

Strict Transport Security

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

Mobile

Viewport Meta

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

Mobile Non Scaleable Content

This content is formatted for mobile devices, it does not allow the content to be scaled.

SSL Certificates

HSTS

Forces browsers to only communicate with the site using HTTPS.