Cs50.io Web Analysis and Statistics

Website Summary

  • When was the website Cs50.io released?

    Cs50.io was registered on September 7, 2011 (13 years 1 months 25 days ago).

  • What is the traffic rank for Cs50.io?

    Website Cs50.io ranked 22,974 globally and 11,387 in United States.

  • How many people visit Cs50.io each day?

    Cs50.io has about 52,000 visits and 230,000 pageviews per day.

  • Which countries does Cs50.io receive most of its visitors from?

    Cs50.io is mostly visited by people located in Libya, United States and India.

  • How much does Cs50.io earn a month?

    Each month Cs50.io can earn $11,400 from advertising revenue.

  • How much is Cs50.io worth?

    Estimated value of Cs50.io is $270,000

  • What IP addresses does Cs50.io resolve to?

    Cs50.io resolves to the IP addresses 75.2.60.5

  • Where is Cs50.io server located?

    Cs50.io's server is located in Washington, Seattle, United States Of America, 98101.

  • Who is registrar of Cs50.io domain?

    The cs50.io domain is registered and managed by Key-Systems GmbH

Cs50.io's metrics:

Global traffic rank:
22,974
Traffic rank in United States:
11,387
Domain authority:
34 / 100
Referring Domains:
30
Daily income:
$380.00
Estimated Worth:
$270,000
Website category:

HTML Analysis

HTML Meta tags:

Title: Visual Studio Code for CS50

Logo: cs50.io

HTML elements:

H1 Headings:
2
H2 Headings:
0
H3 Headings:
0
H4 Headings:
0
H5 Headings:
0
H6 Headings:
0
Total Images:
2
Total IFRAMEs:
0

Links analysis:

Total links:
11
Internal links:
4
Internal links (nofollow):
0
External links:
5
External links (nofollow):
0

HTML resources breakdown:

The homepage of cs50.io contains 13 resources, the total size is 239.10 KB. They are distributed as follows:

Resource type Resource count Size Percent
Document 2 7.55 KB 3.2 %
Image 1 120.92 KB 50.6 %
Font 0 0 0 %
Script 5 53.91 KB 22.5 %
Stylesheet 2 37.45 KB 15.7 %
Media 0 0 0 %
Other 3 19.26 KB 8.1 %

In addition, the cs50.io homepage also uses 10 third-party resources, the total size is 114.96 KB.

HTTP Header:

Http-Version: 1.1
Status-Code: 200
Status: 200 OK
Date: Tue, 14 May 2024 22:35:41 GMT
Content-Type: text/html; charset=utf-8
Transfer-Encoding: chunked
Connection: keep-alive
Server: nginx
Strict-Transport-Security: max-age=31536000; includeSubDomains
Cache-Control: no-cache, no-store, must-revalidate
Expires: 0
Pragma: no-cache
X-Content-Type-Options: nosniff
Content-Security-Policy: frame-ancestors 'self'
X-Frame-Options: SAMEORIGIN
Permissions-Policy: camera=(self), geolocation=(self), microphone=(self)
Referrer-Policy: strict-origin
X-XSS-Protection: 0
Content-Encoding: gzip

Cs50.io Traffic Analysis

Daily unique visitors:
52,000
Daily pageviews:
230,000
Daily pageviews per visitor:
4.4
Daily time on site:
5:41 minutes
Traffic from search engine:
9.2 %
Bounce rate:
47.0 %
Monthly visits:
1,560,000
Annual visits:
18,980,000

Traffic by country:

# Country Traffic Percent Country Rank
1 🇱🇾 Libya 18.5% 198
2 🇺🇸 United States 14.6% 20,895
3 🇮🇳 India 8.1% 38,924

Top keywords by traffic:

Keyword Search traffic
cs50 ide 33.75%
cs50 9.33%
cs50 sandbox 7.69%
ide cs50 5.91%
sandbox cs50 4.27%

Google Lighthouse Audit

Google Lighthouse is an open-source, automated tool for measuring the quality of web pages. Google Lighthouse audits websites on two separate mobile and desktop environments. Audit results are based on scores from 1-100 and are divided into 5 parts:

  • Performance: This is the most important part, it evaluates the performance of your website. Performance based on Core Web Vitals and key parameters such as First Contentful Paint (FCP), First Input Delay (FID), Largest Contentful Paint (LCP) and Cumulative Layout Shift (CLS).
  • Accessibility: Test user accessibility to your web application.
  • Best Practices: Website Trust and Safety testing, extensions, XSS, HTTPS...
  • SEO (on page): These checks ensure that your page is following basic search engine optimization advice.
  • Progressive Web App (PWA): Check out the modern technologies used on your web app.

Here are the results of the Google Lighthouse audit for the website cs50.io:

On Mobile

82
Performance
79
Accessibility
83
Best Practices
77
SEO
0-49 50-89 90-100

On Desktop

98
Performance
79
Accessibility
83
Best Practices
73
SEO (on page)

Cs50.io SSL Certificate Information

cs50.io supports HTTPS with the following certificate information:

Common name: ap.cs50.school
SANs: 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, 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.digitalphotography.exposed
Serial Number: 031AC75BE5B28A579628955CC574F434A9BB
Signature Algorithm: RSA-SHA256
Issuer: R3
Fingerprint: 15e00e2d7d03d172d9e9082e44d8c7c81c087597
FingerprintSha256: 968abef65da80e6621bdcf37833fa35c645a1fff68adc83d3b6e191a87c14535

Cs50.io Domain Name Information

Domain TLD:
io
Domain Registrar:
Key-Systems GmbH
Registration Date:
September 7, 2011
Expiration Date:
September 7, 2024
Domain Age:
13 years 1 months 25 days
Domain Status:
ok

Domain Nameserver Information:

Host IP Address Country
ns-1160.awsdns-17.org 205.251.196.136 🇺🇸 United States
ns-241.awsdns-30.com 205.251.192.241 🇺🇸 United States
ns-517.awsdns-00.net 205.251.194.5 🇺🇸 United States

Full WHOIS Lookup:

Domain Name: cs50.io
Registry Domain ID: 9ced70f066734096ab2c192e757e6ec8-DONUTS
Registrar WHOIS Server: whois.rrpproxy.net
Registrar URL: http://key-systems.net
Updated Date: 2023-07-14T06:38:44Z
Creation Date: 2011-09-07T06:56:11Z
Registry Expiry Date: 2024-09-07T06:56:11Z
Registrar: Key-Systems GmbH
Registrar IANA ID: 269
Registrar Abuse Contact Email: [email protected]
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: 2024-05-14T22:35:36Z

Cs50.io Server Information

Server IP Address:
75.2.60.5
Hosted Country:
🇺🇸 United States
Latitude, longitude:
47.6043 , -122.33
Location:
Washington, Seattle, United States Of America, 98101

DNS Record Analysis:

Host Type TTL Extra
cs50.io A 300 IP: 75.2.60.5
cs50.io NS 86400 Target: ns-1160.awsdns-17.org
cs50.io NS 86400 Target: ns-1873.awsdns-42.co.uk
cs50.io NS 86400 Target: ns-241.awsdns-30.com
cs50.io NS 86400 Target: ns-517.awsdns-00.net
cs50.io SOA 900 MNAME: ns-517.awsdns-00.net
RNAME: awsdns-hostmaster.amazon.com
Serial: 1
Refresh: 7200
Retry: 900
Expire: 1209600
Minimum TTL: 86400
cs50.io MX 3600 Priority: 10
Target: alt4.aspmx.l.google.com
cs50.io MX 3600 Priority: 5
Target: alt1.aspmx.l.google.com
cs50.io MX 3600 Priority: 5
Target: alt2.aspmx.l.google.com
cs50.io MX 3600 Priority: 1
Target: aspmx.l.google.com
cs50.io MX 3600 Priority: 10
Target: alt3.aspmx.l.google.com

2 websites similar to Cs50.io

1.Cs50.net(44% similarity)

cs50.net Rank:76,356 Worth:$82,000

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 worldwide have registered for the course on edX.

2.Github.dev(36% similarity)

github.dev Rank:9,406 Worth:$740,000 DA:39

Typos of Cs50.io

Sometimes, misspellings make a good domain name. And spelling errors are also a great way to create keywords for SEO. And the following are all possible typos of Cs50.io. You can use them for competitive domain name search or for SEO strategies for Cs50.io:

  1. xs50.io
  2. vs50.io
  3. fs50.io
  4. ds50.io
  5. ca50.io
  6. cz50.io
  7. cx50.io
  8. cd50.io
  9. ce50.io
  10. cw50.io
  11. cs40.io
  12. csr0.io
  13. cst0.io
  14. cs60.io
  15. cs59.io
  16. cs5o.io
  17. cs5p.io
  18. cs5-.io
  19. s50.io
  20. c50.io
  21. cs0.io
  22. cs5.io
  23. sc50.io
  24. c5s0.io
  25. cs05.io
  26. ccs50.io
  27. css50.io
  28. cs550.io
  29. cs500.io

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