HSTS - Browser HTTPS Only
Download List of All Websites using HSTS - Browser HTTPS Only
The HTTP Strict-Transport-Security response header (often abbreviated as HSTS) lets a web site tell browsers that it should only be accessed using HTTPS, instead of using HTTP for 15552000 seconds
schema.org micro-markup
Download List of All Websites using schema.org micro-markup
Schema.org is a collaborative, community activity with a mission to create, maintain, and promote schemas for structured data on the Internet, on web pages, in email messages, and beyond.
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Vary Header check for cookies
Download List of All Websites using Vary Header check for cookies
The Vary HTTP response header determines how to match future request headers to decide whether a cached response can be used rather than requesting a fresh one from the origin server. It is used by the server to indicate which headers it used when selecting a representation of a resource in a content negotiation algorithm.
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Vary Header Accept-Encoding
Download List of All Websites using Vary Header Accept-Encoding
The Accept-Encoding request HTTP header advertises which content encoding, usually a compression algorithm, the client is able to understand. Using content negotiation, the server selects one of the proposals, uses it and informs the client of its choice with the Content-Encoding response header.
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Meta keywords
Download List of All Websites using Meta keywords
Meta keywords are types of meta tags in the HTML source code of a webpage. They describe the content of a website shortly and concisely,this website is using the following keywords: stock photography, stock photos, stock photo, royalty free, subscription, subscribe, stock images, stock image, illustrations, illustration, clip art, clipart, stock footage, video, HD, high definition footage, pics, pix, pictures, microstock, micro stock