course.com ▶ Online Learning Solutions Higher Education

Course.com | Key Trends

Online Status

Offline

Server IP address resolved: No
Http response code: None
Last Checked: 02/02/2025

Course.com attracts 40 unique visitors daily, generating 79 pageviews. The estimated value of course.com is 0 USD. Each visitor views approximately 2.14 pages on average.

According to Majestic's traffic estimates, course.com ranks 95,160 globally.

Course.com server is located in United States, so we cannot determine if the distance might affect the page load time.

See the list of other websites hosted by CENGAGE-OHCIN - Cengage Learning Inc, US.

Course.com is registered with the .COM top-level domain. Explore additional websites within the .COM zone.

According to the latest verification on (March 11, 2019), course.com has an invalid SSL certificate. Click the "Refresh" button in the Safety Information section for updated SSL details.

According to Google Safe Browsing, Google Safe Search, Symantec and Web of Trust course.com appears to be a safe domain.

Based on Google's Mobile-Friendly test, course.com is optimized for mobile and tablet devices, although the web page loading speed could be improved.

Course.com | General Site Information

Global Rank

9,103,744

Average Load Time

0.23sec

Links In Count

379

Website Value

Audience Geography. Where are course.com visitors located?

Country	Visitors

Country	Pageviews

Country	Rank

Where do visitors go on course.com?

Subdomain	Pageviews

Subdomain	Pageviews per User

Subdomain	Reach

How popular is course.com?

Period	Global Rank	Global Rank Delta
past 3 months	9103744	0
past month	8898301	0
past week	3921415	0

Days	Pageviews Rank	Pageviews per Million Delta	Pageviews per User	Pageviews per User Delta
90	9384490	0%	2	0%
30	9370236	0%	1	0%
7	4201414	0%	1	0%

Days	Reach Rank	Reach per Million	Reach per Million Delta
90	9131463	2	0%
30	8498734	2	0%
7	3709102	8	0%

Course.com | Safety and Security Details

Overview

Last Updated: 02/02/2025

Overall result - course.com is safe.

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

Last Updated: 02/20/2024

course.com is safe.

Norton ConnectSafe evaluates course.com for any unsafe and insecure content. The results are critical for families with young children.

Google Safe Search

Last Updated: 09/06/2017

course.com is safe.

SafeSearch is used as a parental control tool to filter out any inappropriate for your children search results on your devices: phones, tablets or personal computers.

Google Safe Browsing

Last Updated: 01/09/2019

course.com is safe.
Malware: not found.
Phishing: not detected.
Unwanted software: not found.
Harmfull applications: not found.

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

Site Advisor

Last Updated: 02/23/2021

course.com is safe.

McAfee assesses course.com 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 course.com for mature or inappropriate content, only security checks are evaluated.

Web of Trust

Last Updated: 01/13/2019

course.com child safety is very good.

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

Course.com | SSL Certificate Information

SSL Checker Tool

WARNING!	Certificate download error. Previous scan results are shown below.
Domain	*.cengage.com
Issuer Organization	Unknown
Issuer	DigiCert SHA2 High Assurance Server CA
Algorithm	RSA-SHA256
Valid form	03/02/2018
Expiration	03/06/2020
Signed	Certificate is not self signed
Additional Domains	*.cengage.com cengage.com

Course.com | Server and Hosting Details

Server Location

Geolocation Tool

Course.com ASN Information

ASN Lookup Tool

ASN ID: 27365
ASN Title: CENGAGE-OHCIN - Cengage Learning Inc, US

Last Update: 07/31/2024

ASN Whois

#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/whois_tou.html
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/whois_reporting/index.html
#
# Copyright 1997-2018, American Registry for Internet Numbers, Ltd.
#

ASNumber: 27365
ASName: CENGAGE-OHCIN
ASHandle: AS27365
RegDate: 2003-02-20
Updated: 2016-05-17
Ref: https://rdap.arin.net/registry/autnum/27365

OrgName: Cengage Learning Inc
OrgId: CENGA-5
Address: 5191 Natorp Blvd
Address: Attn Communications in CSO
City: Mason
StateProv: OH
PostalCode: 45040
Country: US
RegDate: 2009-04-17
Updated: 2016-12-12
Ref: https://rdap.arin.net/registry/entity/CENGA-5

OrgAbuseHandle: NETAD1-ARIN
OrgAbuseName: Network Administration
OrgAbusePhone: +1-800-443-3941
OrgAbuseEmail: netadmin@cengage.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/NETAD1-ARIN

OrgTechHandle: NETAD1-ARIN
OrgTechName: Network Administration
OrgTechPhone: +1-800-443-3941
OrgTechEmail: netadmin@cengage.com
OrgTechRef: https://rdap.arin.net/registry/entity/NETAD1-ARIN

#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/whois_tou.html
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/whois_reporting/index.html
#
# Copyright 1997-2018, American Registry for Internet Numbers, Ltd.
#

Course.com | Domain Name Information

WHOIS

WHOIS Lookup Tool

Domain Whois

Domain Name: COURSE.COM
Registry Domain ID: 388976_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.rrpproxy.net
Registrar URL: http://www.key-systems.net
Updated Date: 2024-07-02T15:00:57Z
Creation Date: 1997-07-31T04:00:00Z
Registry Expiry Date: 2025-07-30T04:00:00Z
Registrar: Key-Systems GmbH
Registrar IANA ID: 269
Registrar Abuse Contact Email: abuse@key-systems.net
Registrar Abuse Contact Phone: +49.68949396850
Domain Status: clientDeleteProhibited https://icann.org/epp#clientDeleteProhibited
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Name Server: A1-49.AKAM.NET
Name Server: A13-64.AKAM.NET
Name Server: A14-65.AKAM.NET
Name Server: DNS1.P01.NSONE.NET
Name Server: DNS2.P01.NSONE.NET
Name Server: DNS3.P01.NSONE.NET
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2024-10-19T00:57:30Z

DNS Records

DNS Lookup Tool

Host	A Record	TTL
course.com	69.32.208.74	1800

Host	MX Record	Priority	TTL
course.com	kyindmx01.cengagelearning.com	10	1800
course.com	ohcinmx02.cengagelearning.com	10	1800
course.com	ohcinmx01.cengagelearning.com	10	1800
course.com	kyindmx02.cengagelearning.com	10	1800

Host	NS Record	TTL
course.com	ns2.cengage.net	1800
course.com	ns1.cengage.net	1800

Host	TXT Record	TTL
course.com	MS=ms17115631	300
course.com	v=spf1 ip4:69.32.227.81 ip4:69.32.147.12 ip4:69.32.147.10 ip4:69.32.227.82 ip4:69.32.130.143 ip4:69.32.227.166 ip4:69.32.146.100 include:spf.protection.outlook.com include:spf-0012df01.pphosted.com -all	300

ns1.cengage.net
TTL: 1800
Email address: hostmaster.ohcinmason.com
Serial: 368
Refresh: 3600
Retry: 1800
Expire: 43200
Minimum: 900

Course.com | HTML Validation Report

HTML Validation Tool

Errors

Missing space before doctype name.

Nameless doctype.

Quirky doctype. Expected “<!DOCTYPE html>”.

Attribute “ng-app” not allowed on element “html” at this point.

Attribute “ng-controller” not allowed on element “body” at this point.

Attribute “search-show” not allowed on element “li” at this point.

End tag “g” did not match the name of the current open element (“svg”).

Stray end tag “g”.

Attribute “base-path” not allowed on element “li” at this point.

Attribute “search-init” not allowed on element “div” at this point.

The “label” element may contain at most one “button”, “input”, “meter”, “output”, “progress”, “select”, or “textarea” descendant.

The element “label” must not appear as a descendant of the “button” element.

The element “label” must not appear as a descendant of the “label” element.

The element “label” must not appear as a descendant of the “a” element.

Saw “<?”. Probable cause: Attempt to use an XML processing instruction in HTML. (XML processing instructions are not supported in HTML.)

Attribute “search-mobile” not allowed on element “div” at this point.

Stray start tag “head”.

Self-closing syntax (“/>”) used on a non-void HTML element. Ignoring the slash and treating as a start tag.

Start tag “body” seen but an element of the same type was already open.

End tag for “body” seen, but there were unclosed elements.

Unclosed element “div”.

Unclosed element “main”.

Saw an end tag after “body” had been closed.

Attribute “ng-if” not allowed on element “div” at this point.

Attribute “ng-cloak” not allowed on element “div” at this point.

Attribute “ng-click” not allowed on element “button” at this point.

Attribute “ng-src” not allowed on element “iframe” at this point.

Bad value “100%” for attribute “width” on element “iframe”: Expected a digit but saw “%” instead.

Bad value “400px;” for attribute “height” on element “iframe”: Expected a digit but saw “p” instead.

The “allowtransparency” attribute on the “iframe” element is obsolete. Use CSS instead.

Bad value “200px;” for attribute “height” on element “iframe”: Expected a digit but saw “p” instead.

No space between attributes.

Saw “"” when expecting an attribute name. Probable cause: “=” missing immediately before.

Quote “"” in attribute name. Probable cause: Matching quote missing somewhere earlier.

Attribute “""” not allowed on element “img” at this point.

Attribute “ng-click” not allowed on element “a” at this point.

Element “style” not allowed as child of element “main” in this context. (Suppressing further errors from this subtree.)

Attribute “default” not allowed on element “option” at this point.

The element “header” must not appear as a descendant of the “footer” element.

The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.

The “scrolling” attribute on the “iframe” element is obsolete. Use CSS instead.

The “marginheight” attribute on the “iframe” element is obsolete. Use CSS instead.

The “marginwidth” attribute on the “iframe” element is obsolete. Use CSS instead.

Warnings

The “type” attribute is unnecessary for JavaScript resources.

The “navigation” role is unnecessary for element “nav”.

“label” element with multiple labelable descendants.

The “main” role is unnecessary for element “main”.

Attribute “""” is not serializable as XML 1.0.

Course.com | Desktop Performance Insights

Last tested: 01/01/2019

Desktop

Desktop Speed

58%

Optimize images

Avoid landing page redirects

Leverage browser caching

Eliminate render-blocking JavaScript and CSS in above-the-fold content

Reduce server response time

Enable compression

Minify CSS

Minify JavaScript

Desktop Resource Breakdown

Total Resources	155
Number of Hosts	71
Static Resources	57
JavaScript Resources	39
CSS Resources	9

Course.com | Mobile Performance Insights

Last tested: 01/01/2019

Mobile

Mobile Usability

99%

Size tap targets appropriately

Mobile Speed

36%

Avoid landing page redirects

Eliminate render-blocking JavaScript and CSS in above-the-fold content

Optimize images

Leverage browser caching

Prioritize visible content

Reduce server response time

Enable compression

Minify CSS

Minify JavaScript

Mobile Resource Breakdown

Total Resources	155
Number of Hosts	71
Static Resources	57
JavaScript Resources	39
CSS Resources	9

Course.com | Common Typographical Errors

www.course.com
www.course.net
www.course.org
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www.course.con

Course.com Online Learning Solutions Higher Education - Cengage Learning

Cengage Learning supports Higher Education learning with a full range of textbooks and customized online learning solutions to engage college and univ...

Course.com | Key Trends

Course.com | General Site Information

Course.com | Safety and Security Details

Course.com | Server and Hosting Details

Course.com | Domain Name Information

Course.com | HTML Validation Report

Course.com | Desktop Performance Insights

Course.com | Mobile Performance Insights

Course.com | Competitors Analysis

Course.com | Common Typographical Errors