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AtomicFilter best practices

AtomicFilter is powerful: it changes which page a person sees. Use it responsibly and verifiably.

Compliance and policy​

  • Follow the rules of every ad network, affiliate program, and payment partner you use. Some networks prohibit cloaking or different landing experiences entirely.
  • Follow local consumer protection and privacy laws. If you are unsure whether split routing is allowed for your offer class, get legal advice before spending.
  • Your white page should be a genuine safe destination (terms, policy, brand-safe content, or the approved surface), not a thin trick meant only to pass review.

Technical hygiene​

  • Publish first: confirm both pages on Publish a page before you rely on traffic.
  • Start narrow: begin with allowed countries (or tight blocks) that match your buy, then widen only after logs look clean.
  • Mandatory parameter: add a stable name=value token to approved click URLs so random shares and spy hits without the token fall back to the white path. Rotate the value if a string leaks.
  • Defaults: new campaigns start with VPN, bot, and spy filtering on. Disable them only when you understand the trade-off and still meet the at least one rule requirement (see Campaigns, pages, and rules).
  • Naming: use clear campaign names (under 30 characters) so duplicates and edits stay understandable six months later.

Testing workflow​

  1. Create a test campaign with the same structure you plan for production.
  2. Hit the offer URL from:
    • a mobile carrier IP in an allowed country,
    • a desktop residential IP you expect to allow,
    • and (if relevant) a VPN exit you expect to block.
  3. Open Filter logs and confirm status, country_code, language, and agent line up with expectations.
  4. Only then raise media spend.

Operations​

  • Deactivate before large structural edits if your team relies on a stable URL elsewhere.
  • Duplicate to experiment with rules while keeping a known-good inactive copy—remember the 25 campaign cap.
  • Delete only when you are sure DNS, ads, and partner links no longer reference the old page address.

Frequently asked questions​

Is a “white page” enough to satisfy Meta or Google?

No generic answer. Each network runs automated and human review. A good white page is necessary but not sufficient. Read the current network policy for your vertical.

How often should I read logs?

Daily on new campaigns, weekly on mature ones, and immediately after geo, language, or mandatory parameter changes.