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...
Server IP address resolved: Yes
Http response code: 200
Response time: 0.83 sec.
Last Checked: 06/15/2024
Over the time cs50.net has been ranked as high as 509,863 in the world, while most of its traffic comes from United States, where it reached as high as 23,715 position.
Cs50.net receives about 6,531 unique visitors and 15,478 pageviews per day. The estimated value of cs50.net is 271,560 USD. Each unique visitor makes about 2.37 pageviews on average.
Cs50.net is registered under .NET top-level domain. Check other websites in .NET zone.
At the time of the last check (October 13, 2024) cs50.net has a valid and up-to-date SSL certificate issued by Let's Encrypt that expires on December 25, 2024. Check other websites using SSL certificates issued by Let's Encrypt.
According to Google Safe Browsing, Google Safe Search, Symantec and Web of Trust cs50.net is quite a safe domain.
Mobile-Friendly test indicates that cs50.net is well optimized for mobile and tablet devices, however website page loading time could be improved.
Audience Geography. Where are cs50.net visitors located?
| 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 |
| Country | Percent of 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 | Percent of 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% |
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?
| 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% |
| 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% |
| Period | Global Rank | Global Rank Delta |
|---|---|---|
| past 3 months | 43881 | 7602 |
| past month | 51777 | 9413 |
| past week | 55860 | 4292 |
| yesterday | 56103 | 19911 |
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.
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.
"cs50.net" is not a phishing page.
"cs50.net" does not install unwanted software.
"cs50.net" does not contain harmfull applications.
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 |
Not Found
ASN ID: 15169
ASN Title: GOOGLE - Google LLC, US
Last 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.
#
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 |
|---|
Last tested: 12/09/2019
| Total Resources | 28 |
| Number of Hosts | 9 |
| Static Resources | 7 |
| JavaScript Resources | 10 |
| CSS Resources | 4 |
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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