4.10 Rating by WebsiteTestingTool.com

duolingo.com was registered 6 years 8 months ago. It has a alexa rank of #1,287 in the world. It is a domain having .com extension. This site has a Google PageRank of 7/10. It is estimated worth of $ 8,661,600.00 and have a daily income of around $ 8,020.00. As no active threats were reported recently, duolingo.com is SAFE to browse.

Visit Website

Traffic Report

Daily Unique Visitors: 1,002,481
Daily Pageviews: 8,019,848

Estimated Valuation

Income Per Day: $ 8,020.00
Estimated Worth: $ 8,661,600.00

Search Engine Indexes

Google Indexed Pages: Not Applicable
Yahoo Indexed Pages: Not Applicable
Bing Indexed Pages: Not Applicable

Search Engine Backlinks

Google Backlinks: Not Applicable
Bing Backlinks: Not Applicable
Alexa BackLinks: Not Applicable

Safety Information

Google Safe Browsing: No Risk Issues
Siteadvisor Rating: No Risk Issues
WOT Trustworthiness: Excellent
WOT Privacy: Excellent
WOT Child Safety: Excellent

Website Ranks & Scores

Google Pagerank:
Alexa Rank: 1,287
PageSpeed Score: 73 ON 100
Domain Authority: ON 100
DMOZ Listing: No

Web Server Information

Hosted IP Address:

Hosted Country:

United States US

Location Latitude:


Location Longitude:


Social Engagement

Facebook Shares: 111,870
Facebook Likes: 112,986
Facebook Comments: 73,807
Twitter Count (Tweets): Not Applicable
Linkedin Shares: Not Applicable
Delicious Shares: Not Applicable
Google+: 241,147

Page Resources Breakdown

Homepage Links Analysis

Duolingo | Learn Spanish, French, German, Portuguese, Italian and English for free
Learn languages completely free, without ads or hidden charges. It's fun, easy, and scientifically proven.

Website Inpage Analysis

H1 Headings: Not Applicable H2 Headings: Not Applicable
H3 Headings: Not Applicable H4 Headings: Not Applicable
H5 Headings: Not Applicable H6 Headings: Not Applicable
Total IFRAMEs: Not Applicable Total Images: Not Applicable
Google Adsense: Not Applicable Google Analytics: UA-21595814-1

Backlink History Chart

Referring Domains Discovery Chart

HTTP Header Analysis

Http-Version: 1.1
Status-Code: 200
Status: 200 OK
Content-Encoding: gzip
Content-Type: text/html; charset=UTF-8
Date: Sun, 20 Dec 2015 06:03:17 GMT
Expires: -1
Pragma: no-cache
Server: nginx/1.4.6 (Ubuntu)
X-IPCountry: US
X-RUNTIME: 0.10529
X-TID: 031f3297567644980046
Content-Length: 9264
Connection: keep-alive

Domain Information

Domain Registrar: GODADDY.COM, LLC
Registration Date: 2010-01-26 6 years 8 months 3 weeks ago
Last Modified: 2015-11-05 11 months 2 weeks 2 days ago
Expiration Date: 2019-01-26 2 years 2 months 3 weeks from now

Domain Nameserver Information

Host IP Address Country
ns-1020.awsdns-63.net United States United States
ns-1117.awsdns-11.org United States United States
ns-1904.awsdns-46.co.uk United States United States
ns-247.awsdns-30.com United States United States

DNS Record Analysis

Host Type TTL Extra
duolingo.com A 50 IP:
duolingo.com NS 172800 Target: ns-1020.awsdns-63.net
duolingo.com NS 172800 Target: ns-1117.awsdns-11.org
duolingo.com NS 172800 Target: ns-1904.awsdns-46.co.uk
duolingo.com NS 172800 Target: ns-247.awsdns-30.com
duolingo.com SOA 900 MNAME: ns-1020.awsdns-63.net
RNAME: awsdns-hostmaster.amazon.com
Serial: 1
Refresh: 7200
Retry: 900
Expire: 1209600
duolingo.com MX 300 Priority: 10
Target: aspmx.l.google.com
duolingo.com MX 300 Priority: 20
Target: alt1.aspmx.l.google.com
duolingo.com MX 300 Priority: 20
Target: alt2.aspmx.l.google.com
duolingo.com MX 300 Priority: 30
Target: aspmx2.googlemail.com
duolingo.com MX 300 Priority: 30
Target: aspmx3.googlemail.com
duolingo.com MX 300 Priority: 30
Target: aspmx4.googlemail.com
duolingo.com MX 300 Priority: 30
Target: aspmx5.googlemail.com
duolingo.com TXT 300 TXT: v=spf1 include:amazonses.com
include:sparkpostmail.com -all

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Alexa Traffic Rank

Alexa Search Engine Traffic

Full WHOIS Lookup

Registrar URL:
Registrant Name: Luis von
Registrant Organization:
Name Server:
Name Server:
Name Server:
Name Server:
DNSSEC: unsigned

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Please note: the registrant of the domain name is
in the "registrant" section. In most cases, GoDaddy.com,
is not the registrant of domain names listed in this database.