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Plausible Bot Traffic Spike (Fake Visitors)

Ongoing Web, Self-hosted Updated October 21, 2026

Quick answer

Sudden visitor spikes in Plausible are often bots. Cloud filters about 32,000 data-center IP ranges and uses behavioural detection; the self-hosted CE only filters by user agent and referrer spam, so use Shields (country, page, hostname) or block bots at your CDN.

Most likely fix: Use Shields.

Symptoms

Visitor counts jump many times above normal, with one-page visits concentrated in a few countries or Direct / None.

Why it happens

  • Running Community Edition with only basic bot filtering
  • Bots that execute JavaScript like real browsers
  • Traffic on unlisted hostnames or staging copies

How to fix it

Try these in order — the most common fix is first.

  1. 1. Use Shields

    1. Go to Site settings > Shields
    2. Add Countries or Pages that only bots hit
    3. Add your real domains to the Hostnames allowlist so other hosts are ignored

  2. 2. Block at the edge

    1. Add WAF / bot-fight rules at Cloudflare or your CDN for the offending traffic

  3. 3. Move to Cloud for advanced filtering

    1. If on CE, consider Plausible Cloud, whose bot filtering excludes data-center IP ranges and uses behavioural detection

This guide also covers

  • plausible bot traffic
  • plausible fake visitors
  • plausible traffic spike

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