duolingo.com Website Information
Daily Unique Visits: 1,137,214
Daily Page Views: 9,097,712
Income Per Day: $9,098
Estimated Value: $9,825,840
This website is located in United States and is using following IP address 184.72.124.184. See the complete list of popular websites hosted in United States.
duolingo.com is registered under .COM top-level domain. Please check other sites in .COM zone.
Website duolingo.com is using the following name servers:
- ns-1020.awsdns-63.net
- ns-1117.awsdns-11.org
- ns-1904.awsdns-46.co.uk
- ns-247.awsdns-30.com
and is probably hosted by AMAZON-AES - Amazon.com, Inc., US. See the full list of other websites hosted by AMAZON-AES - Amazon.com, Inc., US.
The highest website duolingo.com position in Alexa rank database was 1317 and the lowest rank position was 1357. Current position of duolingo.com in Alexa rank database is 1340.
Desktop speed score of duolingo.com (81/100) is better than the results of 71.91% of other sites and shows that the page is performing great on desktop computers.
Mobile usability score of duolingo.com (100/100) is better than the results of 100% of other sites and means that the page is mobile-friendly.
Mobile speed score of duolingo.com (67/100) is better than the results of 70.58% of other sites and shows that the landing page performance on mobile devices is poor and can be improved.
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duolingo.com Alexa Rank
The traffic rank is based on three months of aggregated historical traffic data from millions of Alexa Toolbar users and is a combined measure of page views and users.
duolingo.com whois
WHOIS gives you the ability to lookup any generic domains to find out the registered domain holder. WHOIS database are provided for information purposes only. It allows the public to check whether a specific domain name is still available or not and to obtain information related to the registration records of existing domain names.
Registry Domain ID: 1583217344_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.registrar.amazon.com
Registrar URL: http://registrar.amazon.com
Updated Date: 2020-12-23T23:03:12Z
Creation Date: 2010-01-26T21:42:38Z
Registry Expiry Date: 2022-01-26T21:42:38Z
Registrar: Amazon Registrar, Inc.
Registrar IANA ID: 468
Registrar Abuse Contact Email: abuse@amazonaws.com
Registrar Abuse Contact Phone: +1.2067406200
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Name Server: NS-1020.AWSDNS-63.NET
Name Server: NS-1117.AWSDNS-11.ORG
Name Server: NS-1904.AWSDNS-46.CO.UK
Name Server: NS-247.AWSDNS-30.COM
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2021-04-24T20:36:09Z
duolingo.com server information
Servers Location
duolingo.com desktop page speed rank
Last tested: 2016-06-12
duolingo.com Desktop Speed Test Quick Summary
priority - 16Eliminate render-blocking JavaScript and CSS in above-the-fold content
Your page has 2 blocking script resources and 3 blocking CSS resources. This causes a delay in rendering your page.
Remove render-blocking JavaScript:
https://d7mj4aqfscim2.cloudfront.net/proxy/js2/8b7…165ef7e9a0-duolingo.js
Optimize CSS Delivery of the following:
https://d7mj4aqfscim2.cloudfront.net/proxy/css2/a2…536aea4b6c2b_1.min.css
https://d7mj4aqfscim2.cloudfront.net/proxy/css2/a2…536aea4b6c2b_2.min.css
priority - 4Leverage 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://content.googleapis.com/discovery/v1/apis/o…ameters%2Cmethods&pp=0 (5 minutes)
https://content.googleapis.com/discovery/v1/apis/p…ameters%2Cmethods&pp=0 (5 minutes)
https://connect.facebook.net/en_US/fbevents.js (20 minutes)
https://connect.facebook.net/en_US/sdk.js (20 minutes)
https://apis.google.com/js/client:plusone.js?onloa…dGoogleClientLibraries (30 minutes)
https://apis.google.com/js/rpc:shindig_random.js?onload=init (30 minutes)
https://ssl.google-analytics.com/ga.js (2 hours)
priority - 2Prioritize visible content
Your page requires additional network round trips to render the above-the-fold content. For best performance, reduce the amount of HTML needed to render above-the-fold content.
The entire HTML response was not sufficient to render the above-the-fold content. This usually indicates that additional resources, loaded after HTML parsing, were required to render above-the-fold content. Prioritize visible content that is needed for rendering above-the-fold by including it directly in the HTML response.
duolingo.com Desktop Resource Breakdown
| Total Resources | 44 |
| Number of Hosts | 16 |
| Static Resources | 30 |
| JavaScript Resources | 17 |
| CSS Resources | 3 |
duolingo.com mobile page speed rank
Last tested: 2019-12-02
duolingo.com Mobile Speed Test Quick Summary
priority - 48Eliminate render-blocking JavaScript and CSS in above-the-fold content
Your page has 1 blocking CSS resources. This causes a delay in rendering your page.
Optimize CSS Delivery of the following:
priority - 1Leverage 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://connect.facebook.net/signals/config/173569…0310?v=2.9.14&r=stable (20 minutes)
duolingo.com Mobile Resource Breakdown
| Total Resources | 23 |
| Number of Hosts | 5 |
| Static Resources | 20 |
| JavaScript Resources | 2 |
| CSS Resources | 1 |
duolingo.com mobile page usability
Last tested: 2019-12-02
duolingo.com HTML validation
Warnings
Consider avoiding viewport values that prevent users from resizing documents.
"...t="utf-8"><meta name="viewport" content="width=device-width,initial-scale=1,user-scalable=no"><meta ..."
Consider adding a “lang” attribute to the “html” start tag to declare the language of this document.
"...TYPE html><html dir="ltr"><head>..."
Errors
Attribute “width” not allowed on element “div” at this point.
"...<noscript><div style="position:fixed; top:0; left:0; display:none" width="1" height="1"><img s..."
Attribute “height” not allowed on element “div” at this point.
"...<noscript><div style="position:fixed; top:0; left:0; display:none" width="1" height="1"><img s..."
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duolingo.com Ping
Ping is a computer network administration software utility used to test the reachability of a host on an Internet Protocol (IP) network. It measures the round-trip time for messages sent from the originating host to a destination computer that are echoed back to the source.
duolingo.com TRACEROUTE
Traceroute is a computer network diagnostic tool for displaying the route (path) and measuring transit delays of packets across an Internet Protocol (IP) network. The history of the route is recorded as the round-trip times of the packets received from each successive host (remote node) in the route (path); the sum of the mean times in each hop is a measure of the total time spent to establish the connection. Traceroute proceeds unless all (three) sent packets are lost more than twice, then the connection is lost and the route cannot be evaluated.