How Search Works

Classes 6–12 · about 6 minutes · free, no sign-up

What you will learn

Explain how crawlers and an index make search fast, how results are ranked by word matches and links, and why ranking must resist tricks like keyword stuffing.

How to play

  1. Press crawl and watch the crawler read every page and build the index.
  2. Type a search and see the ranked results, with your words highlighted.
  3. Switch on link counting and see how the ranking changes.
  4. Finish three challenges, including making the search trick-proof.

Go deeper

Notes, practice questions and tests for the same topic:

Class 8 Computers NCERT chapters → Class 11 Computer Science NCERT chapters →

More in Cyber Safety Lab

Free forever, no account needed. No ads for students and no tracking. Anything you type stays on your device.