cs50.net website information.
cs50.net domain name is registered by .NET top-level domain registry. See the other sites registred in .NET domain zone.
No name server records were found.
and probably website cs50.net is hosted by GOOGLE - Google LLC, US web hosting company. Check the complete list of other most popular websites hosted by GOOGLE - Google LLC, US hosting company.
According to Alexa traffic rank the highest website cs50.net position was 509863 (in the world). The lowest Alexa rank position was 654101. Now website cs50.net ranked in Alexa database as number 556076 (in the world).
Website cs50.net Desktop speed measurement score (77/100) is better than the results of 63.93% of other sites shows that the page desktop performance can be improved.
cs50.net Mobile usability score (99/100) is better than the results of 79.46% of other sites and means that the page is mobile-friendly.
Mobile speed measurement score of cs50.net (31/100) is better than the results of 10.59% of other sites and shows that the landing page performance on mobile devices is poor and can be improved.
Weekly Rank Report
| Date | Rank | Change |
|---|---|---|
| Oct-01-2024 | N/A | N/A |
| Sep-30-2024 | 556,076 | 6,837 |
| Sep-29-2024 | 562,913 | -11,838 |
| Sep-28-2024 | 551,075 | 7,327 |
| Sep-27-2024 | 558,402 | -2,878 |
| Sep-26-2024 | 555,524 | 2,279 |
| Sep-25-2024 | 557,803 | 7,876 |
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cs50.net Rank History
Alexa can identify the popularity of a website as well as its competitors. It is important for website owners and bloggers to know their Alexa ranking because it shows how many visitors have viewed their web page. It gives them a clear idea of how popular their website is on the internet and the ranking of their competitors.
cs50.net whois
WHOIS is a query and response protocol that is widely used for querying databases that store the registered users or assignees of an Internet resource, such as a domain name, an IP address block, or an autonomous system, but is also used for a wider range of other information.
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
cs50.net server information
Servers Location
| IP Address |
|---|
| Country |
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cs50.net desktop page speed rank
Last tested: 2019-12-09
cs50.net Desktop Speed Test Quick Summary
priority - 16 Eliminate render-blocking JavaScript and CSS in above-the-fold content
Your page has 5 blocking script resources and 3 blocking CSS resources. This causes a delay in rendering your page.
None of the above-the-fold content on your page could be rendered without waiting for the following resources to load. Try to defer or asynchronously load blocking resources, or inline the critical portions of those resources directly in the HTML.
Remove render-blocking JavaScript:
https://cs50.harvard.edu/college/assets/popper.js/…pper.min.js?1575887992
https://cs50.harvard.edu/college/assets/bootstrap/…trap.min.js?1575887992
https://cs50.harvard.edu/college/assets/jstz.min.js?1575887992
https://cs50.harvard.edu/college/assets/jekyll-theme-cs50.js?1575887992
Optimize CSS Delivery of the following:
https://cs50.harvard.edu/college/assets/page.css?1575887992
https://fonts.googleapis.com/css?family=PT+Sans:400,400italic,700
priority - 12 Avoid landing page redirects
Your page has 3 redirects. Redirects introduce additional delays before the page can be loaded.
Avoid landing page redirects for the following chain of redirected URLs.
https://cs50.net/
https://cs50.harvard.edu/
https://cs50.harvard.edu/college/
priority - 0 Leverage browser caching
Setting an expiry date or a maximum age in the HTTP headers for static resources instructs the browser to load previously downloaded resources from local disk rather than over the network.
Leverage browser caching for the following cacheable resources:
priority - 0 Minify JavaScript
Compacting JavaScript code can save many bytes of data and speed up downloading, parsing, and execution time.
Minify JavaScript for the following resources to reduce their size by 672B (36% reduction).
priority - 0 Optimize images
Properly formatting and compressing images can save many bytes of data.
Optimize the following images to reduce their size by 630B (20% reduction).
cs50.net Desktop Resources
| Total Resources | 28 |
| Number of Hosts | 9 |
| Static Resources | 7 |
| JavaScript Resources | 10 |
| CSS Resources | 4 |
cs50.net Desktop Resource Breakdown
cs50.net mobile page speed rank
Last tested: 2017-05-19
cs50.net Mobile Speed Test Quick Summary
priority - 194 Optimize images
Properly formatting and compressing images can save many bytes of data.
Optimize the following images to reduce their size by 1.9MiB (97% reduction).
priority - 40 Eliminate render-blocking JavaScript and CSS in above-the-fold content
Your page has 1 blocking script resources and 1 blocking CSS resources. This causes a delay in rendering your page.
None of the above-the-fold content on your page could be rendered without waiting for the following resources to load. Try to defer or asynchronously load blocking resources, or inline the critical portions of those resources directly in the HTML.
Remove render-blocking JavaScript:
Optimize CSS Delivery of the following:
priority - 2 Leverage browser caching
Setting an expiry date or a maximum age in the HTTP headers for static resources instructs the browser to load previously downloaded resources from local disk rather than over the network.
Leverage browser caching for the following cacheable resources:
https://cs50.harvard.edu/index.css (expiration not specified)
https://cs50.harvard.edu/index.js (expiration not specified)
cs50.net Mobile Resources
| Total Resources | 5 |
| Number of Hosts | 3 |
| Static Resources | 3 |
| JavaScript Resources | 1 |
| CSS Resources | 1 |
cs50.net Mobile Resource Breakdown
cs50.net mobile page usability
Last tested: 2017-05-19
cs50.net Mobile Usability Test Quick Summary
priority - 0 Size tap targets appropriately
Some of the links/buttons on your webpage may be too small for a user to easily tap on a touchscreen. Consider making these tap targets larger to provide a better user experience.
The following tap targets are close to other nearby tap targets and may need additional spacing around them.
<button class="sidebar-trigger">≡</button> is close to 1 other tap targets.cs50.net similar domains
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cs50.net Ping
Ping is a networking utility tool to test if a particular host is reachable. It is a diagnostic that checks reachability of a host on an Internet Protocol (IP) network. In a computer network, a ping test is a way of sending messages from one host to another. Aside from checking if the host is connected to a network, ping also gives indicators of the reliability and general speed of the connection.
cs50.net TRACEROUTE
Traceroute is a network diagnostic tool used to track the pathway taken by a packet on an IP network from source to destination. Traceroute also records the time taken for each hop the packet makes during its route to the destination. Traceroute uses ICMP (Internet Control Message Protocol) echo packets with variable time to live values. The response time of each hop is calculated. To guarantee accuracy, each hop is queried multiple times (usually three times) to better measure the response of that particular hop.