Duolingo.com Duolingo

Duolingo is the world's most popular way to learn a language. It's 100% free, fun and science-based. Practice online on duolingo.com or on the apps!


Online Status
Online

Server IP address resolved: Yes
Http response code: 200
Response time: 0.57 sec.
Last Checked: 06/19/2021

Duolingo.com traffic volume is 512,687 unique daily visitors and their 1,573,950 pageviews. The web value rate of duolingo.com is 20,681,966 USD. Each visitor makes around 3.28 page views on average.

By Alexa's traffic estimates duolingo.com placed at 320 position over the world, while the largest amount of its visitors comes from United States, where it takes 495 place.

Duolingo.com registered under .COM top-level domain. Check other websites in .COM zone.

The last verification results, performed on (November 28, 2019) duolingo.com show that duolingo.com has an expired wildcard SSL certificate issued by GoDaddy.com, Inc. (expired on January 18, 2021). Click “Refresh” button for SSL Information at the Safety Information section. Check the list of websites using SSL certificates issued by GoDaddy.com, Inc..

In accordance with Google Safe Browsing, Google Safe Search, Symantec and Web of Trust duolingo.com is pretty a safe domain.

Relying Google MobileFriendly test duolingo.com is well optimized for mobile and tablet devices.


Global Rank
466
Average Load Time
1.62sec
Links In Count
1,962
Website Value
$19.3 M

Overview
Last Updated: 06/19/2021
Overall result - duolingo.com is safe.
We gather website safety and reputation data and compare it with available third-party sources so we calculate own safety and trustworthiness rate based on information that we get.
Norton Connect Safe
Last Updated: 08/05/2020
duolingo.com is safe.
Norton ConnectSafe evaluates duolingo.com for any unsafe and insecure content. The results are critical for families with young children.
Google Safe Search
Last Updated: 11/30/2017
duolingo.com is safe.
SafeSearch is used as a parental control tool to filter out any inappropriate for your children search results on your devices: phones, tablets or personal computers.
Google Safe Browsing
Last Updated: 08/11/2020
duolingo.com is safe.
Malware: not found.
Phishing: not detected.
Unwanted software: not found.
Harmfull applications: not found.
Google Safe Browsing notifies when websites are compromised by malicious actors. These protections work across Google products and provide a safer online experience.
Site Advisor
Last Updated: 02/21/2021
duolingo.com is safe.
McAfee assesses duolingo.com for a meaningful set of security threats. Featured dangers from annoying pop-ups to hidden Trojans, that can steal your identity, will be revealed. McAfee does not analyze duolingo.com for mature or inappropriate content, only security checks are evaluated.
Web of Trust
Last Updated: 01/13/2019
duolingo.com child safety is very good.
The WOT calculates reputation of the duolingo.com. This reputation system receives ratings from users and information from third-party sources, assesses the duolingo.com for safety features and confirms, whether duolingo.com is suitable for children.

SSL Information
Domain*.duolingo.com
Issuer OrganizationGoDaddy.com, Inc.
IssuerGo Daddy Secure Certificate Authority - G2
AlgorithmRSA-SHA256
Valid form01/18/2019
Expiration01/18/2021
SignedCertificate is not self signed
Additional Domains *.duolingo.com
duolingo.com
Server Location

ASN Information

ASN ID: 14618
ASN Title: AMAZON-AES - Amazon.com, Inc., US

Last Update: 06/03/2021

#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/whois_tou.html
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/whois_reporting/index.html
#
# Copyright 1997-2018, American Registry for Internet Numbers, Ltd.
#

ASNumber: 14618
ASName: AMAZON-AES
ASHandle: AS14618
RegDate: 2005-11-04
Updated: 2012-03-02
Ref: https://rdap.arin.net/registry/autnum/14618

OrgName: Amazon.com, Inc.
OrgId: AMAZO-4
Address: Amazon Web Services, Inc.
Address: P.O. Box 81226
City: Seattle
StateProv: WA
PostalCode: 98108-1226
Country: US
RegDate: 2005-09-29
Updated: 2017-01-28
Comment: For details of this service please see
Comment: http://ec2.amazonaws.com/
Ref: https://rdap.arin.net/registry/entity/AMAZO-4

OrgNOCHandle: AANO1-ARIN
OrgNOCName: Amazon AWS Network Operations
OrgNOCPhone: +1-206-266-4064
OrgNOCEmail: amzn-noc-contact@amazon.com
OrgNOCRef: https://rdap.arin.net/registry/entity/AANO1-ARIN

OrgTechHandle: ANO24-ARIN
OrgTechName: Amazon EC2 Network Operations
OrgTechPhone: +1-206-266-4064
OrgTechEmail: amzn-noc-contact@amazon.com
OrgTechRef: https://rdap.arin.net/registry/entity/ANO24-ARIN

OrgAbuseHandle: AEA8-ARIN
OrgAbuseName: Amazon EC2 Abuse
OrgAbusePhone: +1-206-266-4064
OrgAbuseEmail: abuse@amazonaws.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/AEA8-ARIN

RTechHandle: ANO24-ARIN
RTechName: Amazon EC2 Network Operations
RTechPhone: +1-206-266-4064
RTechEmail: amzn-noc-contact@amazon.com
RTechRef: https://rdap.arin.net/registry/entity/ANO24-ARIN

#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/whois_tou.html
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/whois_reporting/index.html
#
# Copyright 1997-2018, American Registry for Internet Numbers, Ltd.
#

WHOIS

Domain Name: DUOLINGO.COM
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


DNS Records
HostA RecordTTL
HostMX RecordPriorityTTL
HostNS RecordTTL
HostTXT RecordTTL
Warnings

Errors

Last tested: 06/12/2016

Desktop
Desktop Speed
81%

Desktop Resource Breakdown
Total Resources44
Number of Hosts16
Static Resources30
JavaScript Resources17
CSS Resources3

Last tested: 12/02/2019

Mobile
Mobile Usability
100%
Mobile Speed
67%

Mobile Resource Breakdown
Total Resources23
Number of Hosts5
Static Resources20
JavaScript Resources2
CSS Resources1
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