Concepts

Web Risk Overview

• Web Risk overview

  An introduction to Web Risk.

• Local databases

  Set up a local database and perform an initial download of the lists you want to work with.

• Update constraints

  Specify size constraints when updating local databases.

• Caching

  Use the Lookup API and the Update API to create and maintain a local cache of threat data.

• Compression

  Use compression to reduces bandwidth requirements, which is particularly, but not exclusively, relevant for mobile devices.

• Request frequency

  Explore how the Update API imposes time intervals for how often a client can send requests to the Web Risk server to perform URL checks or to update the local database.

• Lists

  Learn about how Web Risk lists, also referred to as threat lists or simply lists, are Google's constantly updated lists of unsafe web resources.

• Status codes

  Learn about the HTTP status codes the server can generate in response to a request.

• User warnings

  Learn how to warn users about potential risks.