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.
Apple Mobile Web App Capable Usage Statistics · Download List of All Websites using Apple Mobile Web App Capable
Launches a web application for Safari on iOS in full-screen mode to look like a native application.
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 Usage Statistics · Download List of All Websites using HSTS
Forces browsers to only communicate with the site using HTTPS.
HSTS IncludeSubdomains PreLoad Usage Statistics · Download List of All Websites using HSTS IncludeSubdomains PreLoad
This website includes instructions for HSTS loading that would allow it to be submitted to the HSTS preload list.
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.
HTML5 DocType Usage Statistics
The DOCTYPE is a required preamble for HTML5 websites.
X-UA-Compatible Usage Statistics
Allows a website to define how a page is rendered in Internet Explorer 8, allowing a website to decide to use IE7 style rendering over IE8 rendering.
Google Chrome IE Frame Usage Statistics
Frames Google Chrome window into Internet Explorer for HTML 5 compatibility.
Handheld Friendly Usage Statistics
Tells mobile browsers that the content is already framed for mobile browsing.
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
X-XSS-Protection Usage Statistics
X-XSS-Protection is a HTTP header set by Internet Explorer 8+. This header lets domains toggle on and off the "XSS Filter" of IE8, which prevents some categories of XSS attacks.
X-Frame-Options Usage Statistics
The X-Frame-Options HTTP response header can be used to indicate whether or not a browser should be allowed to render a page in a frame or iframe. Sites can use this to avoid clickjacking attacks, by ensuring that their content is not embedded into other sites.
Content Type Options Usage Statistics
Used to disable MIME-sniffing for a particular HTTP response.
Referrer Policy Usage Statistics
Requests made from a document, and for navigations away from that document are associated with a Referrer header. This policy determines in the browser should send a referrer or not.
CORS Usage Statistics
The Cross-Origin Resource Sharing (CORS) mechanism gives web servers cross-domain access controls, which enable secure cross-domain data transfers. Access Control Allow Origin.
Content Security Policy Usage Statistics
Content Security Policy is a computer security concept, to prevent cross-site scripting XSS attacks.
Strict Transport Security Usage Statistics
The HTTP Strict-Transport-Security (HSTS) header instructs the browser to only use https.
Link to this page. This profile will be updated 21st August 2025.
Add BuiltWith to for free! Get lookups easily and quickly.
Get a notification when polyuinnohub.hk adds new technologies.
Get polyuinnohub.hk profile as an XML, JSON, CSV or XLSX via the Domain API.
Can't find the technology you are looking for? Send us a suggestion, we will try and add it to our database.