Cs50.io Visual Studio Code for CS50
Cs50.io Overview
Cs50.io ranking shows that the page is at position 66,823 over the world, while the bulk of its audience is from United States, where it ranks 30,850.
It is beneficial to cs50.io that their hosting company AMAZON-02 - Amazon.com, Inc., US servers are located in United States, as that reduces page load time for the majority of their users. See the list of other webpages hosted on AMAZON-02 - Amazon.com, Inc., US servers.
In terms of rank-to-traffic ratio, cs50.io has 4,005 unique users per day, viewing 10,910 pages. The rank based value of cs50.io is 189,216 USD. Every user makes 2.92 pageviews on average.
Cs50.io boasts a link base consisting of 288 referring domains and 333 external backlinks, as revealed by the data obtained from web network scanning.
Cs50.io top-level domain belongs to .IO domain zone. Check other webpages in .IO zone.
According the last verification test in October 13, 2024, cs50.io has an expired SSL certificate issued by Let's Encrypt (expired on 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 and Symantec cs50.io is a fairly safe domain.
According the Mobile-Friendly test by Google cs50.io is nice optimized for mobile devices and tablets, however the webpage speed could be improved.
Cs50.io Rank Summary
Audience Geography. Where are cs50.io visitors located?
| Country | Visitors |
|---|---|
 United States US | 36.1% |
| Australia AU | 8.3% |
| India IN | 6.8% |
| Canada CA | 5.3% |
| Saudi Arabia SA | 3% |
| Russian Federation RU | 2.3% |
| Egypt EG | 1.8% |
| Lebanon LB | 1.3% |
| Ukraine UA | 0.7% |
| Other | 34.2% |
| Country | Pageviews |
|---|---|
| United States US | 44.1% |
| Australia AU | 10.6% |
| India IN | 5.9% |
| Canada CA | 4.8% |
| Saudi Arabia SA | 1.2% |
| Lebanon LB | 1.2% |
| Egypt EG | 1.2% |
| Russian Federation RU | 1% |
| Ukraine UA | 0.7% |
| Other | 29.3% |
| Country | Rank |
|---|---|
| Lebanon LB | 3057 |
| Australia AU | 9498 |
| Saudi Arabia SA | 18862 |
| Canada CA | 22642 |
| United States US | 30850 |
| Egypt EG | 32896 |
| Ukraine UA | 36410 |
| India IN | 84027 |
| Russian Federation RU | 86087 |
Where do visitors go on cs50.io?
| Subdomain | Pageviews |
|---|---|
| sandbox.cs50.io | 28.64% |
| submit.cs50.io | 27.94% |
| ide.cs50.io | 24.12% |
| lab.cs50.io | 10.61% |
| man.cs50.io | 4.79% |
| video.cs50.io | 1.71% |
| other | 2.19% |
| Subdomain | Pageviews per User |
|---|---|
| submit.cs50.io | 3.1 |
| man.cs50.io | 2 |
| sandbox.cs50.io | 2 |
| lab.cs50.io | 1.5 |
| ide.cs50.io | 1.3 |
| video.cs50.io | 1 |
| Subdomain | Reach |
|---|---|
| ide.cs50.io | 43.68% |
| sandbox.cs50.io | 37% |
| submit.cs50.io | 21.59% |
| lab.cs50.io | 16.84% |
| man.cs50.io | 6.62% |
| video.cs50.io | 3.48% |
How popular is cs50.io?
| Period | Global Rank | Global Rank Delta |
|---|---|---|
| past 3 months | 66823 | -5659 |
| past month | 59775 | -9142 |
| past week | 69431 | 5154 |
| yesterday | 67608 | -68401 |
| Days | Pageviews Rank | Pageviews Rank Delta | Pageviews per Million | Pageviews per Million Delta | Pageviews per User | Pageviews per User Delta |
|---|---|---|---|---|---|---|
| 90 | 78787 | -6129 | 75 | 3% | 2.7 | -0.37% |
| 30 | 77115 | -3265 | 79 | 9% | 2.4 | -13.17% |
| 7 | 86369 | 4705 | 73 | -5.69% | 2.7 | 3% |
| 1 | 41057 | -74760 | 19 | 200% | 7 | 60% |
| Days | Reach Rank | Reach Rank Delta | Reach per Million | Reach per Million Delta |
|---|---|---|---|---|
| 90 | 70446 | -3477 | 10 | 4% |
| 30 | 59428 | -13452 | 12 | 30% |
| 7 | 72322 | 6190 | 99 | -8.808% |
| 1 | 89717 | -64925 | 9 | 100% |
Cs50.io 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.io 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.io 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.io for mature or inappropriate content, only security checks are evaluated.
The WOT calculates reputation of the cs50.io. This reputation system receives ratings from users and information from third-party sources, assesses the cs50.io for safety features and confirms, whether cs50.io 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.io Rank History
Alexa Rank shows how popular cs50.io is in comparison with other sites. The most popular site has Alexa Rank equals 1. If cs50.io 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.io and pageviews on cs50.io over the past 3 months.
Cs50.io Hosting Information
ASN ID: 16509
ASN Title: AMAZON-02 - Amazon.com, Inc., USLast Update: 12/23/2024
#
# 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: 16509
ASName: AMAZON-02
ASHandle: AS16509
RegDate: 2000-05-03
Updated: 2012-03-02
Ref: https://rdap.arin.net/registry/autnum/16509
OrgName: Amazon.com, Inc.
OrgId: AMAZON-4
Address: 1918 8th Ave
City: SEATTLE
StateProv: WA
PostalCode: 98101-1244
Country: US
RegDate: 1995-01-23
Updated: 2017-01-28
Ref: https://rdap.arin.net/registry/entity/AMAZON-4
OrgAbuseHandle: AEA8-ARIN
OrgAbuseName: Amazon EC2 Abuse
OrgAbusePhone: +1-206-266-4064
OrgAbuseEmail: abuse@amazonaws.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/AEA8-ARIN
OrgTechHandle: ANO24-ARIN
OrgTechName: Amazon EC2 Network Operations
OrgTechPhone: +1-206-266-4064
OrgTechEmail: amzn-noc-contact@amazon.com
OrgTechRef: https://rdap.arin.net/registry/entity/ANO24-ARIN
RTechHandle: AC6-ORG-ARIN
RTechName: Amazon-com Incorporated
RTechPhone: +1-206-266-2187
RTechEmail: ipmanagement@amazon.com
RTechRef: https://rdap.arin.net/registry/entity/AC6-ORG-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.io Domain Registration and Settings
Domain Name: cs50.io
Registry Domain ID: 9ced70f066734096ab2c192e757e6ec8-DONUTS
Registrar WHOIS Server: key-systems.net
Registrar URL: http://key-systems.net
Updated Date: 2021-07-09T09:33:50Z
Creation Date: 2011-09-07T06:56:11Z
Registry Expiry Date: 2022-09-07T06:56:11Z
Registrar: Key-Systems GmbH
Registrar IANA ID: 269
Registrar Abuse Contact Email: abuse@key-systems.net
Registrar Abuse Contact Phone: +49 6894 9396 850
Domain Status: ok https://icann.org/epp#ok
Registry Registrant ID: REDACTED FOR PRIVACY
Registrant Name: REDACTED FOR PRIVACY
Registrant Organization: Harvard
Registrant Street: REDACTED FOR PRIVACY
Registrant City: REDACTED FOR PRIVACY
Registrant State/Province: MA
Registrant Postal Code: REDACTED FOR PRIVACY
Registrant Country: US
Registrant Phone: REDACTED FOR PRIVACY
Registrant Phone Ext: REDACTED FOR PRIVACY
Registrant Fax: REDACTED FOR PRIVACY
Registrant Fax Ext: REDACTED FOR PRIVACY
Registrant Email: Please query the RDDS service of the Registrar of Record identified in this output for information on how to contact the Registrant, Admin, or Tech contact of the queried domain name.
Registry Admin ID: REDACTED FOR PRIVACY
Admin Name: REDACTED FOR PRIVACY
Admin Organization: REDACTED FOR PRIVACY
Admin Street: REDACTED FOR PRIVACY
Admin City: REDACTED FOR PRIVACY
Admin State/Province: REDACTED FOR PRIVACY
Admin Postal Code: REDACTED FOR PRIVACY
Admin Country: REDACTED FOR PRIVACY
Admin Phone: REDACTED FOR PRIVACY
Admin Phone Ext: REDACTED FOR PRIVACY
Admin Fax: REDACTED FOR PRIVACY
Admin Fax Ext: REDACTED FOR PRIVACY
Admin Email: Please query the RDDS service of the Registrar of Record identified in this output for information on how to contact the Registrant, Admin, or Tech contact of the queried domain name.
Registry Tech ID: REDACTED FOR PRIVACY
Tech Name: REDACTED FOR PRIVACY
Tech Organization: REDACTED FOR PRIVACY
Tech Street: REDACTED FOR PRIVACY
Tech City: REDACTED FOR PRIVACY
Tech State/Province: REDACTED FOR PRIVACY
Tech Postal Code: REDACTED FOR PRIVACY
Tech Country: REDACTED FOR PRIVACY
Tech Phone: REDACTED FOR PRIVACY
Tech Phone Ext: REDACTED FOR PRIVACY
Tech Fax: REDACTED FOR PRIVACY
Tech Fax Ext: REDACTED FOR PRIVACY
Tech Email: Please query the RDDS service of the Registrar of Record identified in this output for information on how to contact the Registrant, Admin, or Tech contact of the queried domain name.
Name Server: ns-1160.awsdns-17.org
Name Server: ns-1873.awsdns-42.co.uk
Name Server: ns-241.awsdns-30.com
Name Server: ns-517.awsdns-00.net
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of WHOIS database: 2022-04-17T18:50:28Z
| Host | A Record | TTL |
|---|---|---|
| cs50.io | 75.2.60.5 | 300 |
| Host | MX Record | Priority | TTL |
|---|---|---|---|
| cs50.io | aspmx.l.google.com | 1 | 3600 |
| cs50.io | alt3.aspmx.l.google.com | 10 | 3600 |
| cs50.io | alt4.aspmx.l.google.com | 10 | 3600 |
| cs50.io | alt1.aspmx.l.google.com | 5 | 3600 |
| cs50.io | alt2.aspmx.l.google.com | 5 | 3600 |
| Host | NS Record | TTL |
|---|---|---|
| cs50.io | ns-1160.awsdns-17.org | 172800 |
| cs50.io | ns-1873.awsdns-42.co.uk | 172800 |
| cs50.io | ns-241.awsdns-30.com | 172800 |
| cs50.io | ns-517.awsdns-00.net | 172800 |
| Host | TXT Record | TTL |
|---|
ns-517.awsdns-00.net
TTL: 900
Email address: awsdns-hostmaster.amazon.com
Serial: 1
Refresh: 7200
Retry: 900
Expire: 1209600
Minimum: 86400
Cs50.io HTML Check
Cs50.io Desktop Performance
Last tested: 05/21/2017
| Total Resources | 9 |
| Number of Hosts | 4 |
| Static Resources | 5 |
| JavaScript Resources | 3 |
| CSS Resources | 2 |
Cs50.io Mobile Insights
Last tested: 05/21/2017
| Total Resources | 9 |
| Number of Hosts | 4 |
| Static Resources | 5 |
| JavaScript Resources | 3 |
| CSS Resources | 2 |
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