Hidden social crawl
meta-externalfetcher crawls your site on shares; preview issues are hard to fix without that visibility.
Social Bots
meta-externalfetcher Crawl Analysis
🟢 Safe
Track the meta-externalfetcher (Meta) social preview/share crawler. See link previews and social crawl traffic.
Don't manage meta-externalfetcher traffic blindly
Preview failures
Knowing which URLs are fetched-and how often-matters for SMO.
Platform fragmentation
Meta, X and other social crawlers arrive with separate user-agents.
Crawl visibility with NMOS.NET
Set up in minutes with a meta tag-real-time detection and analysis.
Real-Time Tracking
See instantly when crawlers visit your website
Detailed Analysis
See which pages are crawled and how crawlers behave
Fast Notifications
Get instant alerts for important crawl visits
Secure Tracking
Passive crawl analysis without hurting site performance
How it works
Start seeing crawler visits in three steps.
1
Create an account
Sign up for free and add your site.
2
Add the meta tag
Place the meta tag from your dashboard in your site's head section.
3
Track visits
See meta-externalfetcher and other crawler visits in your dashboard.
Frequently asked questions
About meta-externalfetcher detection and NMOS.NET.
What is meta-externalfetcher?
meta-externalfetcher is a crawler social platforms use for link previews or content discovery. Operator: Meta.
Why does it matter for SMO?
Preview and share quality depend on the crawler fetching your page correctly.
How long does setup take?
Minutes with a meta tag.
How is data collected?
A record is created from user-agent matching at visit time.
Start tracking meta-externalfetcher visits
Quick setup with a meta tag. See crawl traffic with category and safety levels.
Tracking Systems
Similar crawlers by category or risk level