This page has content that links to the Facebook content delivery network.
The DOCTYPE is a required preamble for HTML5 websites.
The Open Graph protocol enables any web page to become a rich object in a social graph, a open protocol supported by Facebook
The OpenSearch description document format can be used to describe a search engine so that it can be used by search client applications.
Public specification of a preferred URL for a page allows search engines to understand the original location for content.
Contains language specific links.
The description attribute provides a concise explanation of the page content.
This page contains a meta robots tag which tells search engines and robots to index or not index the page.
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
The HTTP Strict-Transport-Security (HSTS) header instructs the browser to only use https.
Forces browsers to only communicate with the site using HTTPS.
Content Security Policy is a computer security concept, to prevent cross-site scripting XSS attacks.
Used to disable MIME-sniffing for a particular HTTP response.
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.
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.
UTF-8 (8-bit UCS/Unicode Transformation Format) is a variable-length character encoding for Unicode. It is the preferred encoding for web pages.
This webpage has alternate versions available in English via the use of the hreflang tag.
This webpage has alternate versions available in Spanish via the use of the hreflang tag.
This webpage has alternate versions available in Hindi via the use of the hreflang tag.
This webpage has alternate versions available in Thai via the use of the hreflang tag.
Last updated 28th May.
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