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onlinebooks.library.upenn.edu is rated safe website, with a risk score of 15/100 (lower is safer) and a safety score of 85%. HTTPS is not enabled for the site. The score is currently driven by a trusted .edu TLD, and the report was last updated on Jun 30, 2024.
Last updated: Jan 30, 2026
This data was last updated 94 days ago. Some information may be outdated.
Technical risk: 15/100 (lower = safer). Higher trust = safer. Technical risk is shown for advanced users; lower technical risk is also better.
No HTTPS
Connection is not encrypted
Age unknown
Registration date not available
No traffic ranking
Not in top 1 million sites
No threats detected
Checked across multiple security databases
Score calculation details not available for this domain.
Base Risk Score
Starting point for all domains
Risk Factors (Increase Score)
Trust Factors (Decrease Score)
Final Risk Score Calculation
30 (base) + 10 (risks) - 25 (trust) = 15
15
Safe
0-30
Caution
31-60
Danger
61-100
Connection is not encrypted
Why this matters:
HTTPS encrypts data between your browser and the website. Modern legitimate websites almost always use HTTPS. Lack of HTTPS is a red flag that the site may be outdated, abandoned, or intentionally insecure.
Restricted TLD with verification requirements
Domain
onlinebooks.library.upenn.edu
Subdomain
onlinebooks.library
TLD
.edu
HTTPS