LEETCODE.COM LeetCode Online Judge


leetcode.com website information.

leetcode.com website servers are located in United States and are responding from following IP address 104.27.161.90. Check the full list of most visited websites located in United States.

leetcode.com domain name is registered by .COM top-level domain registry. See the other sites registred in .COM domain zone.

Following name servers are specified for leetcode.com domain:

  • ns-1127.awsdns-12.org
  • ns-14.awsdns-01.com
  • ns-1729.awsdns-24.co.uk
  • ns-667.awsdns-19.net
  • melinda.ns.cloudflare.com
  • rob.ns.cloudflare.com

and probably website leetcode.com is hosted by awsdns-12.org web hosting company. Check the complete list of other most popular websites hosted by awsdns-12.org hosting company.

According to Alexa traffic rank the highest website leetcode.com position was 1185 (in the world). The lowest Alexa rank position was 20378. Now website leetcode.com ranked in Alexa database as number 2757 (in the world).

Website leetcode.com Desktop speed measurement score (83/100) is better than the results of 79.34% of other sites and shows that the page is performing great on desktop computers.

leetcode.com Mobile usability score (97/100) is better than the results of 63.67% of other sites and means that the page is mobile-friendly.

Mobile speed measurement score of leetcode.com (68/100) is better than the results of 73.64% of other sites and shows that the landing page performance on mobile devices is poor and can be improved.

Weekly Rank Report

DateRankChange
Jul-16-2019 2,757571
Jul-15-2019 3,328352
Jul-14-2019 3,6800
Jul-13-2019 3,680-470
Jul-12-2019 3,210-672
Jul-11-2019 2,538577
Jul-10-2019 3,115-713

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leetcode.com 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.


leetcode.com 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: LEETCODE.COM
Registry Domain ID: 1605940857_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.godaddy.com
Registrar URL: http://www.godaddy.com
Updated Date: 2017-09-14T12:20:21Z
Creation Date: 2010-07-11T01:27:34Z
Registry Expiry Date: 2022-07-11T01:27:34Z
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: MELINDA.NS.CLOUDFLARE.COM
Name Server: ROB.NS.CLOUDFLARE.COM
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2018-05-26T00:08:13Z

leetcode.com server information

Servers Location

leetcode.com desktop page speed rank

Last tested: 2016-08-04


Desktop Speed Medium
83/100

leetcode.com Desktop Speed Test Quick Summary


priority - 10 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://dna8twue3dlxq.cloudfront.net/js/profitwell.js (expiration not specified)
https://leetcode.com/static/CACHE/js/a7004436b0f8.js (expiration not specified)
https://leetcode.com/static/angular/angular.min.js (expiration not specified)
https://leetcode.com/static/bootstrap-table/dist/bootstrap-table.min.css (expiration not specified)
https://leetcode.com/static/bootstrap-table/dist/bootstrap-table.min.js (expiration not specified)
https://leetcode.com/static/bootstrap/dist/css/bootstrap.min.css (expiration not specified)
https://leetcode.com/static/bootstrap/dist/fonts/g…halflings-regular.woff (expiration not specified)
https://leetcode.com/static/bootstrap/dist/js/bootstrap.min.js (expiration not specified)
https://leetcode.com/static/font-awesome/css/font-awesome.min.css (expiration not specified)
https://leetcode.com/static/icons/39x40/facebook.png (expiration not specified)
https://leetcode.com/static/icons/39x40/github.png (expiration not specified)
https://leetcode.com/static/icons/39x40/google.png (expiration not specified)
https://leetcode.com/static/icons/39x40/linkedin.png (expiration not specified)
https://leetcode.com/static/images/facebook-like-icon.png (expiration not specified)
https://leetcode.com/static/images/twitter-follow-icon.png (expiration not specified)
https://leetcode.com/static/images/weibo.png (expiration not specified)
https://leetcode.com/static/jquery/dist/jquery.min.js (expiration not specified)
https://leetcode.com/static/pages/js/index.js (expiration not specified)
https://leetcode.com/static/pages/styles/index.css (expiration not specified)
https://js-agent.newrelic.com/nr-963.min.js (60 minutes)
https://www.google-analytics.com/analytics.js (2 hours)

priority - 8 Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 2 blocking script resources and 4 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://leetcode.com/static/jquery/dist/jquery.min.js
https://leetcode.com/static/angular/angular.min.js

Optimize CSS Delivery of the following:

https://leetcode.com/static/bootstrap/dist/css/bootstrap.min.css
https://leetcode.com/static/font-awesome/css/font-awesome.min.css
https://leetcode.com/static/bootstrap-table/dist/bootstrap-table.min.css
https://leetcode.com/static/pages/styles/index.css

leetcode.com Desktop Resources

Total Resources30
Number of Hosts7
Static Resources25
JavaScript Resources12
CSS Resources5

leetcode.com Desktop Resource Breakdown

leetcode.com mobile page speed rank

Last tested: 2016-08-04


Mobile Speed Medium
68/100

leetcode.com Mobile Speed Test Quick Summary


priority - 32 Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 2 blocking script resources and 4 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://leetcode.com/static/jquery/dist/jquery.min.js
https://leetcode.com/static/angular/angular.min.js

Optimize CSS Delivery of the following:

https://leetcode.com/static/bootstrap/dist/css/bootstrap.min.css
https://leetcode.com/static/font-awesome/css/font-awesome.min.css
https://leetcode.com/static/bootstrap-table/dist/bootstrap-table.min.css
https://leetcode.com/static/pages/styles/index.css

priority - 16 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://dna8twue3dlxq.cloudfront.net/js/profitwell.js (expiration not specified)
https://leetcode.com/static/CACHE/js/a7004436b0f8.js (expiration not specified)
https://leetcode.com/static/angular/angular.min.js (expiration not specified)
https://leetcode.com/static/bootstrap-table/dist/bootstrap-table.min.css (expiration not specified)
https://leetcode.com/static/bootstrap-table/dist/bootstrap-table.min.js (expiration not specified)
https://leetcode.com/static/bootstrap/dist/css/bootstrap.min.css (expiration not specified)
https://leetcode.com/static/bootstrap/dist/fonts/g…halflings-regular.woff (expiration not specified)
https://leetcode.com/static/bootstrap/dist/js/bootstrap.min.js (expiration not specified)
https://leetcode.com/static/font-awesome/css/font-awesome.min.css (expiration not specified)
https://leetcode.com/static/icons/39x40/facebook.png (expiration not specified)
https://leetcode.com/static/icons/39x40/github.png (expiration not specified)
https://leetcode.com/static/icons/39x40/google.png (expiration not specified)
https://leetcode.com/static/icons/39x40/linkedin.png (expiration not specified)
https://leetcode.com/static/images/facebook-like-icon.png (expiration not specified)
https://leetcode.com/static/images/twitter-follow-icon.png (expiration not specified)
https://leetcode.com/static/images/weibo.png (expiration not specified)
https://leetcode.com/static/jquery/dist/jquery.min.js (expiration not specified)
https://leetcode.com/static/pages/js/index.js (expiration not specified)
https://leetcode.com/static/pages/styles/index.css (expiration not specified)
https://js-agent.newrelic.com/nr-963.min.js (60 minutes)
https://www.google-analytics.com/analytics.js (2 hours)

leetcode.com Mobile Resources

Total Resources30
Number of Hosts7
Static Resources25
JavaScript Resources12
CSS Resources5

leetcode.com Mobile Resource Breakdown

leetcode.com mobile page usability

Last tested: 2016-08-04


Mobile Usability Good
97/100

leetcode.com Mobile Usability Test Quick Summary


priority - 2 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.

The tap target <a href="http://www.fac…k.com/LeetCode">Facebook</a> and 5 others are close to other tap targets.
The tap target <a id="chat-link" href="mailto:admin@l…bject=Feedback">Send Feedback</a> is close to 1 other tap targets.

leetcode.com Mobile Resources

Total Resources30
Number of Hosts7
Static Resources25
JavaScript Resources12
CSS Resources5

leetcode.com Mobile Resource Breakdown

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leetcode.com 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.


leetcode.com 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.