PubMatic Crawler Bot is a bot in the advertising and marketing bots category, operated by PubMatic.
PubMatic Crawler Bot reads publisher pages for PubMatic, a supply side advertising platform, to check content and ad placements.
Advertising bots review landing pages, check ad placements and classify pages for brand safety and contextual targeting. Blocking ad verification bots can stop your ads or your inventory from serving, so allow the ones your ad partners use.
PubMatic Crawler Bot identifies itself with this user agent string:
PubMatic Crawler BotAnyone can copy a user agent string. Transfon Security also checks where each request comes from, so a request that claims to be a known crawler but comes from the wrong network is treated as a fake, not as the real crawler.
We have not confirmed whether PubMatic Crawler Bot follows robots.txt. Add a rule, then check your logs to see that it stopped. robots.txt is a plain text file at the root of your domain, such as https://example.com/robots.txt.
User-agent: PubMatic Disallow: /
User-agent: PubMatic Disallow: /private/ Disallow: /search
User-agent: PubMatic Allow: /blog/ Disallow: /
User-agent: PubMatic Allow: / User-agent: * Disallow: /
User-agent: PubMatic group, PubMatic Crawler Bot ignores your User-agent: * rules, so repeat any that should still apply.PubMatic from PubMatic Crawler Bot's user agent; check PubMatic's own documentation if it publishes a different robots.txt name.Treat robots.txt as a statement of your policy, and enforce it where requests arrive.
Ad verification and contextual crawlers like PubMatic Crawler Bot can decide whether your pages get demand. Blocking the ones your partners use can lower fill rates.
Transfon Security for publishersPubMatic Crawler Bot checks pages for ad platforms. Its visits to landing pages are not users, so exclude them from conversion data.
Transfon Security for advertisersAd platforms send crawlers like PubMatic Crawler Bot to check product landing pages. Keep it allowed so ads are not disapproved, and out of analytics.
Transfon Security for e-commerceAllow PubMatic Crawler Bot on landing pages linked from your ads, and keep it off the app.
Transfon Security for SaaS and APIsrobots.txt is a request, not an enforcement. Transfon Security shows PubMatic Crawler Bot by name in the Top Bots report, so you can see how often it visits and which pages it reads. Block or allow it with a User Agent rule, or slow it down with a rate limit decision rule.
Transfon Security
PubMatic Crawler Bot is a bot in the advertising and marketing bots category, operated by PubMatic. PubMatic Crawler Bot reads publisher pages for PubMatic, a supply side advertising platform, to check content and ad placements.
We have not confirmed whether PubMatic Crawler Bot follows robots.txt. Add a robots.txt rule, then check your logs to see that it stopped, and block it by user agent if it did not.
Add "User-agent: PubMatic" followed by "Disallow: /" to the robots.txt file at the root of your site. To enforce it, block requests whose user agent contains "PubMatic Crawler Bot" at your WAF. In Transfon Security that is one User Agent block rule.
No. robots.txt is voluntary, so PubMatic Crawler Bot may not follow it, and anyone can send PubMatic Crawler Bot's user agent, so a fake PubMatic Crawler Bot ignores your rule. Enforce the rule where requests arrive, at your WAF, and check the source network.
Advertising bots review landing pages, check ad placements and classify pages for brand safety and contextual targeting. Blocking ad verification bots can stop your ads or your inventory from serving, so allow the ones your ad partners use.
Transfon Security identifies every bot in this directory in your traffic reports, flags fake search crawlers, and lets you allow, block or rate limit each bot.
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