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Sci-hub.se is built with the following tech stack:
Document Encoding
UTF-8
UTF-8 (8-bit UCS/Unicode Transformation Format) is a variable-length character encoding for Unicode. It is the preferred encoding for web pages.
Mobile
Viewport Meta
This page uses the viewport meta tag which means the content may be optimized for mobile content.
Document Standards
Meta Description
The description attribute provides a concise explanation of the page content.
HREF Lang
Contains language specific links.
Javascript
JavaScript is a scripting language most often used for client-side web development.
HTML5 DocType
The DOCTYPE is a required preamble for HTML5 websites.
HTML 5 Specific Tags
This page contains tags that are specific to an HTML 5 implementation.
Content Security Policy
Content Security Policy is a computer security concept, to prevent cross-site scripting XSS attacks.
Content Type Options
Used to disable MIME-sniffing for a particular HTTP response.
Language
Portugal HREF LANG
This webpage has alternate versions available in Portugal via the use of the hreflang tag.
Chinese HREF LANG
This webpage has alternate versions available in Chinese via the use of the hreflang tag.
Russia HREF LANG
This webpage has alternate versions available in Russia via the use of the hreflang tag.