Columbia.edu Columbia University in the City of New York

Columbia.edu Quick Summary

Status

Online

Server IP address resolved: Yes

Http response code: 200

Response time: 1.81 sec.

Last Checked: 08/11/2022

Columbia.edu traffic estimate is about 81,828 unique visitors and 249,575 pageviews per day. The approximated value of columbia.edu is 3,285,000 USD. Every unique visitor makes about 3.05 pageviews on average.

Alexa Traffic Rank estimates that columbia.edu is ranked number 1,030 in the world, while most of its traffic comes from United States, where it occupies as high as 850 place.

It’s good for columbia.edu that their hosting company COLUMBIA-GW - Columbia University, US is located in United States, as that provides the majority of their visitors to benefit from the faster page load time. See the list of other websites hosted by COLUMBIA-GW - Columbia University, US.

Columbia.edu is registered under .EDU top-level domain. Check other websites in .EDU zone.

During the last check (November 28, 2019) columbia.edu has an expired SSL certificate issued by Internet2 (expired on January 19, 2020), please click the “Refresh” button for SSL Information at the Safety Information section. Check other websites using SSL certificates issued by Internet2.

In accordance with our information columbia.edu is a suspicious domain.

Relying on Google Mobile-Friendly test columbia.edu is well optimized for mobile and tablet devices.


Columbia.edu General Information

Columbia.edu Audience Geography

Where are website visitors coming from?

Columbia.edu Traffic Distribution

Where do visitors go on columbia.edu?

SubdomainPageviews
courseworks2.columbia.edu27.55%
gsb.columbia.edu8.04%
columbia.edu7.55%
ldeo.columbia.edu5.32%
cas.columbia.edu4.48%
cul.columbia.edu4.16%
sps.columbia.edu2.97%
law.columbia.edu2.74%
cs.columbia.edu1.61%
other35.6%

Columbia.edu Popularity

How popular is columbia.edu?

PeriodGlobal RankGlobal Rank Delta
past 3 months2726237
past month2869154
past week2729-360
yesterday2289-199

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Columbia.edu Safety Information

Rankchart Summary

Not Safe

Updated: 08/11/2022

We gather website safety and reputation data and compare it with available third-party sources so we calculate own safety and trustworthiness rate based on information that we get.

Norton Connect Safe

Safe

Updated: 01/28/2022

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Norton ConnectSafe evaluates websites for any unsafe and inapropriate content. The results are important for families with young children.

Google Safe Search

Not Safe

Updated: 01/29/2019

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SafeSearch works as a parental control tool to filter out any content that might be inappropriate for your children.

Google Safe Browsing

Safe

Malware not found

Phishing not detected

Unwanted software not found

Harmfull applications not found

Updated: 08/11/2020

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Google Safe Browsing notifies when websites are compromised by malicious actors. These protections work across Google products and provide a safer online experience.

McAfee® WebAdvisor

Safe

Updated: 02/22/2021

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McAfee assesses columbia.edu for a meaningful set of security threats. Featured dangers from annoying pop-ups to hidden Trojans, that can steal your identity, will be revealed. McAfee does not analyze columbia.edu for mature or inappropriate content, only security checks are evaluated.

Web of Trust

Child safety is very good

Updated: 01/09/2019

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The WOT calculates reputation of the columbia.edu. This reputation system receives ratings from users and information from third-party sources, assesses the columbia.edu for safety features and confirms, whether columbia.edu is suitable for children.

Columbia.edu SSL Information

Information about SSL/TLS certificates

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Domaincolumbia.edu
Issuer OrganizationInternet2
IssuerInCommon RSA Server CA
AlgorithmRSA-SHA256
Valid form01/19/2018
Expiration01/19/2020
SignedCertificate is not self signed
Additional Domainscolumbia.edu
*.columbia.edu

Columbia.edu Server Information

Columbia.edu Server Location

Where website hosting server is located?

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Columbia.edu ASN Information

Information about IP address owner

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ASN ID: 14

ASN Title: COLUMBIA-GW - Columbia University, US

Updated: 04/14/2022

Columbia.edu Domain Name Information

Columbia.edu DNS Information

Domain name service records

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HostA RecordTTL
columbia.edu128.59.105.243600

Columbia.edu Whois Information

Information about registered users or assignees of an Internet resource

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Columbia.edu HTML Validation

Columbia.edu W3C HTML Markup Validation

HTML markup errors and warnings

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Errors:
Warnings:

Columbia.edu Desktop Performance

How Well Columbia.edu Performs On Desktops?

Website desktop performance and usability tips

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Speed

47%

47%


Updated: 06/15/2018

Columbia.edu Mobile Performance

How Optimized Is Columbia.edu for Mobile Devices?

Tips on speeding up mobile site performance

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Usability

100%

100%


Updated: 06/12/2016

Columbia.edu Nearest Competitors

Columbia.edu URL Typos

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