Master CSS headers with this complete guide. Styling, hierarchy, and branding tips for better websites. Updated for 2025.

If you run into a conditional header or footer request that you can't handle, take a look at Word fields. They're not magic, but it kind of feels like magic when they do what you want.

The IETF is recommending adding a header that will tell devices if the page used AI to generate or edit its contents.

The Header & Footer feature is used to insert document information in Publisher. Learn How to remove or add a Header or Footer in Publisher.

According to the draft, web servers will add a specific HTTP header field when responding to requests, which is designed to clearly identify whether and how the content of a web page was generated ...

You can insert or add Header and Footer in Excel spreadsheet using this tutorial. Insert page number, current date and time, etc.

A researcher has created a method for testing and identifying how HTTP/HTTPS headers can be abused to sneak malicious code into back-end servers. Daniel Thatcher, researcher and penetration tester ...