Knowledge Base

Explore practical guides and answers by topic to understand web technologies and discover useful websites.

Answers and Guides

Understanding SRV Records
Publishes a service's target host, port, priority and weight.
Understanding HTTPS
Transports HTTP requests and responses through a TLS-protected connection.
Understanding X-Robots-Tag
Provides search engines with indexing and presentation directives through HTTP headers.
Understanding Referrer-Policy
Controls how much source-URL information accompanies requests.
Understanding Permissions-Policy
Restricts browser capabilities such as cameras and location for a page and its embeds.
Understanding X-Content-Type-Options
Asks browsers to respect declared media types rather than reinterpret data as executable content.
Understanding X-Frame-Options
Restricts whether other pages can embed a response in frames or iframes.