Bots by company
Quantcast bots and crawlers
Quantcast runs an audience measurement and advertising platform.
Quantcast bots at a glance
- Quantcast runs 1 bot listed in this directory.
- They belong to: Ads and Platform Fetchers.
- Each Quantcast bot has its own robots.txt token, so each purpose can be allowed or blocked separately.
- Website: www.quantcast.com
Every Quantcast bot
| Bot | Group | Purpose | robots.txt | For GEO |
|---|---|---|---|---|
| Quantcastbot | Ads and Platform Fetchers | AdsReported | Not documented | Your choice |
Block or allow all Quantcast bots
The rules below name every Quantcast token in this directory. To block training but keep AI search, delete the search and assistant tokens from the block rule.
robots.txt: block
# Block all Quantcast bots
User-agent: Quantcastbot
Disallow: /robots.txt: allow
# Allow all Quantcast bots
User-agent: Quantcastbot
Allow: /robots.txt: partial
# Keep all Quantcast bots out of private areas only
User-agent: Quantcastbot
Disallow: /wp-admin/
Disallow: /cart/
Disallow: /checkout/
Disallow: /my-account/
Allow: /Nginx
# Nginx: return 403 to all Quantcast bots
if ($http_user_agent ~* "(Quantcastbot)") {
return 403;
}Apache
# Apache .htaccess: return 403 to all Quantcast bots
RewriteEngine On
RewriteCond %{HTTP_USER_AGENT} (Quantcastbot) [NC]
RewriteRule .* - [F,L]Cloudflare WAF
# Cloudflare > Security > WAF > Custom rule, action: Block
(http.user_agent contains "Quantcastbot")See which of these bots actually reach your website
The AI Log File Analyzer by Justin Hà counts visits from GPTBot, ClaudeBot, PerplexityBot and other AI crawlers in your server log, for free. The GEO Technical Package sets up robots.txt, llms.txt and crawler access for AI search.
