X-Frame-Options Header
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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>, <iframe>, <embed> or <object>. Sites can use this to avoid clickjacking attacks, by ensuring that their content is not embedded into other sites.
Vary Header check for User-Agent
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When using the Vary: User-Agent header, caching servers should consider the user agent when deciding whether to serve the page from cache
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schema.org micro-markup
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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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X-Cache HTTP Header
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The resource was not in the website cache, and was pulled from the origin server like Varnish servers.
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SEO Robots : Allow to index and follow website links
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Meta robots tag is a tag that tells search engines what to follow and what not to follow.
Meta keywords
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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: Webdesign,WordPress,Wordpress Plugins,Wordpress Themes,Wordpress Individualisierung,Wordpress theme development,WordPress Users,WordPress Developers,WordPress User Community,WordPress Websites,Hannover WordPress Meetup,Hannover,DE
Meta Description
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A meta description is a 160-character snippet, a meta tag in HTML, that summarizes a page`s content. this website is having meta description of the following : Unser WordPress-Treffen ist offen für alle Interessierten, egal ob Anwender/in, Entwickler/in, Student/in oder Unternehmer/in. Bei uns ist jeder willkommen, der Wissensstand ist bunt gemischt und wir
Block Content Sniffing
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The X-Content-Type-Options response HTTP header is a marker used by the server to indicate that the MIME types advertised in the Content-Type headers should not be changed and be followed. This allows to opt-out of MIME type sniffing, or, in other words, it is a way to say that the webmasters knew what they were doing.
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XSS-Protection Header
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The HTTP X-XSS-Protection response header is a feature of Internet Explorer, Chrome and Safari that stops pages from loading when they detect reflected cross-site scripting (XSS) attacks. Although these protections are largely unnecessary in modern browsers when sites implement a strong Content-Security-Policy that disables the use of inline JavaScript (`unsafe-inline`), they can still provide protections for users of older web browsers that don`t yet support CSP.
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HSTS - Browser HTTPS Only
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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 7776000 seconds
No Cache Content
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Forces caches to submit the request to the origin server for validation before releasing a cached copy.
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