Cs50.net CS50: Computer Science Courses and Programs from Harvard | edX
Introduction to Computer Science from Harvard, better known as CS50, is the largest course on the Harvard campus and more than 4,000,000 learners worl...
Cs50.net Overview
Cs50.net ranking shows that the page is at position 43,881 over the world, while the bulk of its audience is from United States, where it ranks 23,715.
In terms of rank-to-traffic ratio, cs50.net has 6,995 unique users per day, viewing 16,562 pages. The rank based value of cs50.net is 293,285 USD. Every user makes 2.56 pageviews on average.
Cs50.net boasts a link base consisting of 312 referring domains and 356 external backlinks, as revealed by the data obtained from web network scanning.
Cs50.net top-level domain belongs to .NET domain zone. Check other webpages in .NET zone.
According the last verification test in October 13, 2024, cs50.net has a valid and up-to-date SSL certificate issued by Let's Encrypt , certificate expiration date: December 25, 2024. Click button “Update” SSL Information at the Safety Information section. Check the list of websites using SSL by Let's Encrypt.
Based on data from Google Safe Browsing, Google Safe Search, Symantec and Web of Trust cs50.net is a fairly safe domain.
According the Mobile-Friendly test by Google cs50.net is nice optimized for mobile devices and tablets, however the webpage speed could be improved.
Cs50.net Rank Summary
Audience Geography. Where are cs50.net visitors located?
| Country | Visitors |
|---|---|
 United States US | 35.6% |
| India IN | 13% |
| Nigeria NG | 4.4% |
| Brazil BR | 4.3% |
| Egypt EG | 3.9% |
| Czech Republic CZ | 2.7% |
| Canada CA | 2.4% |
| United Kingdom GB | 2.4% |
| Myanmar MM | 1.7% |
| Other | 30.1% |
| Country | Pageviews |
|---|---|
| United States US | 31.2% |
| India IN | 12.1% |
| Brazil BR | 4.9% |
| Egypt EG | 4.8% |
| Nigeria NG | 4.4% |
| Poland PL | 3.5% |
| Canada CA | 3% |
| United Kingdom GB | 2.4% |
| Thailand TH | 2.4% |
| Other | 31.2% |
| Country | Rank |
|---|---|
| Myanmar MM | 4164 |
| Nigeria NG | 6064 |
| Egypt EG | 7576 |
| Czech Republic CZ | 10620 |
| Thailand TH | 15695 |
| Israel IL | 15830 |
| Belgium BE | 16393 |
| Sweden SE | 18092 |
| India IN | 20027 |
| United Arab Emirates AE | 20699 |
| Singapore SG | 21032 |
| Algeria DZ | 21219 |
Where do visitors go on cs50.net?
| Subdomain | Pageviews |
|---|---|
| docs.cs50.net | 45.74% |
| id.cs50.net | 19.89% |
| video.cs50.net | 12.62% |
| cdn.cs50.net | 9.29% |
| reference.cs50.net | 6.9% |
| study.cs50.net | 1.24% |
| finance.cs50.net | 1.23% |
| discourse.cs50.net | 1.12% |
| adminer.cs50.net | 0.5% |
| other | 1.49% |
| Subdomain | Pageviews per User |
|---|---|
| finance.cs50.net | 4 |
| study.cs50.net | 2 |
| cdn.cs50.net | 1.8 |
| docs.cs50.net | 1.8 |
| video.cs50.net | 1.3 |
| reference.cs50.net | 1.1 |
| adminer.cs50.net | 1 |
| discourse.cs50.net | 1 |
| id.cs50.net | 1 |
| Subdomain | Reach |
|---|---|
| docs.cs50.net | 55.35% |
| id.cs50.net | 42.97% |
| video.cs50.net | 22.04% |
| reference.cs50.net | 14.34% |
| cdn.cs50.net | 11.45% |
| discourse.cs50.net | 2.24% |
| study.cs50.net | 1.49% |
| adminer.cs50.net | 1.09% |
| finance.cs50.net | 0.64% |
How popular is cs50.net?
| Period | Global Rank | Global Rank Delta |
|---|---|---|
| past 3 months | 43881 | 7602 |
| past month | 51777 | 9413 |
| past week | 55860 | 4292 |
| yesterday | 56103 | 19911 |
| Days | Pageviews Rank | Pageviews Rank Delta | Pageviews per Million | Pageviews per Million Delta | Pageviews per User | Pageviews per User Delta |
|---|---|---|---|---|---|---|
| 90 | 53966 | 13424 | 115 | -28.88% | 2.37 | -14.13% |
| 30 | 66161 | 15465 | 9 | -26.69% | 2.2 | -12.05% |
| 7 | 70690 | 1479 | 87 | -0.46% | 2.3 | 10% |
| 1 | 71005 | 30581 | 93 | -42.94% | 2.5 | -15.54% |
| Days | Reach Rank | Reach Rank Delta | Reach per Million | Reach per Million Delta |
|---|---|---|---|---|
| 90 | 42479 | 5771 | 18 | -16.98% |
| 30 | 49315 | 7690 | 15 | -16.78% |
| 7 | 54363 | 5774 | 14 | -11.08% |
| 1 | 55714 | 17437 | 14 | -32.27% |
Cs50.net Website Safety
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 ConnectSafe evaluates cs50.net for any unsafe and insecure content. The results are critical for families with young children.
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.
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.
McAfee assesses cs50.net 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 cs50.net for mature or inappropriate content, only security checks are evaluated.
The WOT calculates reputation of the cs50.net. This reputation system receives ratings from users and information from third-party sources, assesses the cs50.net for safety features and confirms, whether cs50.net is suitable for children.
| Domain | ap.cs50.school |
| Issuer Organization | Let's Encrypt |
| Issuer | E5 |
| Algorithm | ecdsa-with-SHA384 |
| Valid form | 09/26/2024 |
| Expiration | 12/25/2024 |
| Signed | Certificate is not self signed |
| Additional Domains |
ap.cs50.school cloud.cs50.net courses.cs50.io cs50.courses cs50.id cs50.io cs50.net cs50.tv digitalphotography.exposed ide.cs50.io lab.cs50.io mail.cs50.net manual.cs50.net office.cs50.net oxford.cs50.uk photos.cs50.net redirects.cs50.net reference.cs50.net sandbox.cs50.io www.cs50.id www.cs50.io www.cs50.net www.cs50.tv www.cs50.uk www.digitalphotography.exposed |
Cs50.net Rank History
Alexa Rank shows how popular cs50.net is in comparison with other sites. The most popular site has Alexa Rank equals 1. If cs50.net has Alexa Rank equals 100,000, then it is in TOP 100,000 popular sites in the world. The rank is calculated using a combination of average daily visitors to cs50.net and pageviews on cs50.net over the past 3 months.
Cs50.net Hosting Information
ASN ID: 15169
ASN Title: GOOGLE - Google LLC, USLast Update: 07/18/2024
#
# 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: 15169
ASName: GOOGLE
ASHandle: AS15169
RegDate: 2000-03-30
Updated: 2012-02-24
Ref: https://rdap.arin.net/registry/autnum/15169
OrgName: Google LLC
OrgId: GOGL
Address: 1600 Amphitheatre Parkway
City: Mountain View
StateProv: CA
PostalCode: 94043
Country: US
RegDate: 2000-03-30
Updated: 2017-12-21
Ref: https://rdap.arin.net/registry/entity/GOGL
OrgAbuseHandle: ABUSE5250-ARIN
OrgAbuseName: Abuse
OrgAbusePhone: +1-650-253-0000
OrgAbuseEmail: network-abuse@google.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/ABUSE5250-ARIN
OrgTechHandle: ZG39-ARIN
OrgTechName: Google LLC
OrgTechPhone: +1-650-253-0000
OrgTechEmail: arin-contact@google.com
OrgTechRef: https://rdap.arin.net/registry/entity/ZG39-ARIN
RTechHandle: ZG39-ARIN
RTechName: Google LLC
RTechPhone: +1-650-253-0000
RTechEmail: arin-contact@google.com
RTechRef: https://rdap.arin.net/registry/entity/ZG39-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.
#
Cs50.net Domain Registration and Settings
Domain Name: CS50.NET
Registry Domain ID: 1377695001_DOMAIN_NET-VRSN
Registrar WHOIS Server: whois.godaddy.com
Registrar URL: http://www.godaddy.com
Updated Date: 2024-01-13T15:08:33Z
Creation Date: 2008-01-12T06:48:51Z
Registry Expiry Date: 2025-01-12T06:48:51Z
Registrar: GoDaddy.com, LLC
Registrar IANA ID: 146
Registrar Abuse Contact Email: abuse@godaddy.com
Registrar Abuse Contact Phone: 480-624-2505
Domain Status: clientDeleteProhibited https://icann.org/epp#clientDeleteProhibited
Domain Status: clientRenewProhibited https://icann.org/epp#clientRenewProhibited
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Domain Status: clientUpdateProhibited https://icann.org/epp#clientUpdateProhibited
Name Server: NS-1091.AWSDNS-08.ORG
Name Server: NS-165.AWSDNS-20.COM
Name Server: NS-1843.AWSDNS-38.CO.UK
Name Server: NS-918.AWSDNS-50.NET
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2024-09-13T08:50:02Z
| Host | A Record | TTL |
|---|
| Host | MX Record | Priority | TTL |
|---|
| Host | NS Record | TTL |
|---|
| Host | TXT Record | TTL |
|---|
Cs50.net HTML Check
Cs50.net Desktop Performance
Last tested: 12/09/2019
| Total Resources | 28 |
| Number of Hosts | 9 |
| Static Resources | 7 |
| JavaScript Resources | 10 |
| CSS Resources | 4 |
Cs50.net Mobile Insights
Last tested: 05/19/2017
| Total Resources | 5 |
| Number of Hosts | 3 |
| Static Resources | 3 |
| JavaScript Resources | 1 |
| CSS Resources | 1 |
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