Blog

Articles about protecting ads from bots and click fraud

Leads and inquiries

Click fraud basics

Protection in ad accounts

  • Protecting YAN ads: a full guide

    How to block YAN placements from the report, where the list limit sits, why the help text calls a manual review irrational, and how network CTR relates to the search price.

    12 min read

Website bot protection

Analytics and solutions

Bots and technology

  • Why a captcha does not stop bots

    A captcha in Yandex Direct and in the OWASP catalog slows automation, but the test can be solved. How that differs from a browser proof-of-work task.

    6 min read
  • How click bots that imitate behavior work

    In public descriptions a click bot is a program that imitates an ordinary browse for a click or an impression. How that differs from a windowless browser, a botnet, and repeated human clicks.

    6 min read
  • What a bot farm is

    In the MRC standard a click farm is organized non-robotic activity through many people or machines. How SIVT differs from routine GIVT, and why a solved captcha does not prove a person.

    5 min read

Metrics and calculations

  • How to calculate a conversion

    In Yandex Metrica, conversion is the share of goal visits, not a count of leads. How a visit differs from a goal completion, and how Direct labels CR and CPA.

    7 min read
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