About this page
This page shows every referring domain that links to upenn.edu, derived from the Common Crawl hyperlink graph (release Jan-Mar 2026). Each row in the dashboard above represents a unique linking domain. Paste upenn.edu or any competitor into the search box to see who links to them.
About upenn.edu: Topics
Quick stats
upenn.edu has approximately 65,998 referring domains in the Jan-Mar 2026 Common Crawl release.
Common questions
How many backlinks does upenn.edu have?
About 65,998 referring domains as of the Jan-Mar 2026 release. CrawlGraph counts unique linking domains, not raw URL-level backlinks - one referring domain may host many pages that link to upenn.edu.
What sites link to upenn.edu?
The full list is in the table above, sorted by number of hosts on the linking domain. You can also filter by TLD or export the full result set as CSV.
How fresh is this data?
This page reflects the Jan-Mar 2026 Common Crawl hyperlink-graph release. Common Crawl publishes a new graph every ~3 months; we re-index within a few days of each release.
Want to compare upenn.edu to a competitor?
Use gap analysis to find domains that link to a competitor but not to upenn.edu - the highest-leverage outreach list you can build.