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HTTP Status

200

Ping

N/A

Technologies

10

Technologies Detected

Infrastructure & Network (5)

CDN
CDN
DNS Provider
Infrastructure
Web Server 2.4.52

Development (2)

JavaScript Library
JavaScript Library

CMS & Content (1)

CMS

Analytics & Marketing (1)

Analytics
WordPress.com Stats (Jetpack) https://wordpress.com/support/stats

SSL & Certificates (1)

Certificate Authority

Metadata & SEO

Title
GroupLens
Canonical URL
https://grouplens.org/
Language
en
Viewport
width=device-width, initial-scale=1.0

Domain Owner Information

View Full WHOIS
Registrar
easyDNS Technologies, Inc.
Created
November 20, 1998
26 years 358 days old
Expires
November 19, 2032
7 years 14 days left

SSL/TLS Certificate

View Full SSL Report
Issued By
C=US, O=Let's Encrypt, CN=E7
Security Score
75 /100

Social Media Cards

OpenGraph (10 properties)

Type
website
Description
GroupLens Center for Social and Human-Centered Computing
Title
GroupLens
Image
//grouplens.org/site-content/uploads/stevie.png
Url
https://grouplens.org/
Locale
en_US
Image:alt
Stevie photo
Image:width
300
Image:height
300
Site Name
GroupLens

Twitter Cards (4 properties)

Image
//grouplens.org/site-content/uploads/stevie.png?w=640
Card
summary_large_image
Image:alt
Stevie photo
Text:title
Front Page

Network & Hosting

View DNS Records
UMN-SYSTEM
Reverse DNS: cse-movie-teapot.cs.umn.edu
Inspected on November 22, 2025 at 02:22 UTC