The description attribute provides a concise explanation of the page content.
    
    
        
    
    
 
    
    
    
    Meta tag containing keywords related to the page.
    
    
        
    
    
 
    
    
    
    This page contains a meta robots tag which tells search engines and robots to index or not index the page.
    
    
        
    
    
 
    
    
    
    The site generates a unique token when it makes the form page. This token is required to post/get data back to the server.
    
    
        
    
    
 
    
    
    
    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 
    
    
        
    
    
 
    
    
    
    JavaScript is a scripting language most often used for client-side web development.
    
    
        
    
    
 
    
    
    
    Frames Google Chrome window into Internet Explorer for HTML 5 compatibility.
    
    
        
    
    
 
    
    
    
    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.
    
    
        
    
    
 
    
    
    
    The OpenSearch description document format can be used to describe a search engine so that it can be used by search client applications.
    
    
        
    
    
 
    
    
    
    [url] uses conditional comments that are supported by Microsoft Internet Explorer. They allow web developers to show or hide HTML code based on the version of the viewer's browser.
    
    
        
    
    
 
    
    
    
    The DOCTYPE is a required preamble for HTML5 websites.
    
    
        
    
    
 
    
    
    
    This page contains tags that are specific to an HTML 5 implementation.
    
    
        
    
    
 
    
    
    
    A way to make Web content and Web applications more accessible to people with disabilities. It especially helps with dynamic content and advanced user interface controls developed with Ajax, HTML, JavaScript, and related technologies.