Douyin.com is built with the following tech stack:
Mobile
Viewport Meta
This page uses the viewport meta tag which means the content may be optimized for mobile content.
Mobile Non Scaleable Content
This content is formatted for mobile devices, it does not allow the content to be scaled.
Document Standards
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 Type Options
Used to disable MIME-sniffing for a particular HTTP response.
Strict Transport Security
The HTTP Strict-Transport-Security (HSTS) header instructs the browser to only use https.
SSL Certificates
HSTS
Forces browsers to only communicate with the site using HTTPS.