Not dangerous, but it's advertising and tracking. It loads Google ads on websites.
Requests to pagead2.googlesyndication.com load the ad scripts.
AdSense is how millions of small websites earn money from ads, and googlesyndication.com is where its ad code comes from. Ad blockers and DNS blocklists block it by default. Some sites detect the block and ask you to disable your blocker.
Facts
- Owner
- Google (ads)
- Served by
- Google AdSense
- Purpose
- googlesyndication.com serves Google AdSense ads, the ads website owners place on their pages. Requests to pagead2.googlesyndication.com load the ad scripts.
- Block it?
- Safe to block
Which apps use it
- Web browsers on ad-supported sites
Should you block it?
Not dangerous, but it's advertising and tracking. It loads Google ads on websites. Blocking it removes those ads; most sites still work.
Frequently asked questions
What is googlesyndication.com?
Google's AdSense ad-serving domain. Websites that run Google ads load scripts and ads from it.
Is googlesyndication.com a virus?
No. It's Google's advertising service. It does track ad views, which is why privacy tools block it.
Is it safe to block googlesyndication.com?
Yes. You'll see fewer ads. Some sites may show a message about ad blockers.