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blog.duolingo.com Open in urlscan Pro
2a04:4e42::775  Public Scan

Go To Rescan Add Verdict Report
Submitted URL: http://blog.duolingo.com/
Effective URL: https://blog.duolingo.com/
Submission: On June 26 via api from US — Scanned from DE
 Behaviour Indicators
Similar DOM Content API
Verdicts

Summary

This website contacted 14 IPs in 4 countries across 12 domains to perform 27 HTTP transactions. The main IP is 2a04:4e42::775, located in United States and belongs to FASTLY, US. The main domain is blog.duolingo.com. The Cisco Umbrella rank of the primary domain is 514357.
TLS certificate: Issued by R3 on May 25th 2024. Valid for: 3 months.
This is the only time blog.duolingo.com was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

IP Address AS Autonomous System
8 2a04:4e42::775 54113 (FASTLY)
1 2606:4700::68... 13335 (CLOUDFLAR...)
1 2606:4700::68... 13335 (CLOUDFLAR...)
1 2a04:4e42::649 54113 (FASTLY)
4 104.17.24.14 13335 (CLOUDFLAR...)
1 2606:4700:20:... 13335 (CLOUDFLAR...)
2 2a00:1450:400... 15169 (GOOGLE)
1 2a04:4e42:400... 54113 (FASTLY)
2 2a00:1450:400... 15169 (GOOGLE)
1 2a02:26f0:780... 20940 (AKAMAI-ASN1)
1 2001:4860:480... 15169 (GOOGLE)
1 3 2620:1ec:21::14 8068 (MICROSOFT...)
1 13.107.42.14 8068 (MICROSOFT...)
1 2a00:1450:400... 15169 (GOOGLE)
27 14
8    2a04:4e42::775 (United States)

ASN54113 (FASTLY, US)
blog.duolingo.com
1    2606:4700::6812:bb1f (United States)

ASN13335 (CLOUDFLARENET, US)
cdn.jsdelivr.net
1    2606:4700::6811:f5cb (United States)

ASN13335 (CLOUDFLARENET, US)
unpkg.com
1    2a04:4e42::649 (United States)

ASN54113 (FASTLY, US)
code.jquery.com
4    104.17.24.14 (None, )

ASN13335 (CLOUDFLARENET, US)
cdnjs.cloudflare.com
1    2606:4700:20::681a:ddc (United States)

ASN13335 (CLOUDFLARENET, US)
cdn.mathjax.org
2    2a00:1450:4001:830::2008 (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)
www.googletagmanager.com
1    2a04:4e42:400::775 (United States)

ASN54113 (FASTLY, US)
duolingo.ghost.io
2    2a00:1450:4001:82f::200e (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)
www.google-analytics.com
1    2a02:26f0:780::210:ca49 (Frankfurt am Main, Germany)

ASN20940 (AKAMAI-ASN1, NL)
snap.licdn.com
1    2001:4860:4802:32::36 (United States)

ASN15169 (GOOGLE, US)
region1.google-analytics.com
3    2620:1ec:21::14 (United States)

ASN8068 (MICROSOFT-CORP-MSN-AS-BLOCK, US)
px.ads.linkedin.com
1    13.107.42.14 (United States)

ASN8068 (MICROSOFT-CORP-MSN-AS-BLOCK, US)
px4.ads.linkedin.com
1    2a00:1450:400c:c06::9b (Brussels, Belgium)

ASN15169 (GOOGLE, US)
stats.g.doubleclick.net
Apex Domain
Subdomains		 Transfer
8 duolingo.com
blog.duolingo.com — Cisco Umbrella Rank: 514357
114 KB
4 linkedin.com
px.ads.linkedin.com — Cisco Umbrella Rank: 360
px4.ads.linkedin.com — Cisco Umbrella Rank: 6416
2 KB
4 cloudflare.com
cdnjs.cloudflare.com — Cisco Umbrella Rank: 268
84 KB
3 google-analytics.com
www.google-analytics.com — Cisco Umbrella Rank: 71
region1.google-analytics.com — Cisco Umbrella Rank: 2355
21 KB
2 googletagmanager.com
www.googletagmanager.com — Cisco Umbrella Rank: 81
191 KB
1 doubleclick.net
stats.g.doubleclick.net — Cisco Umbrella Rank: 136
347 B
1 licdn.com
snap.licdn.com — Cisco Umbrella Rank: 902
14 KB
1 ghost.io
duolingo.ghost.io — Cisco Umbrella Rank: 948019
2 MB
1 mathjax.org
cdn.mathjax.org — Cisco Umbrella Rank: 47135
1 KB
1 jquery.com
code.jquery.com — Cisco Umbrella Rank: 816
30 KB
1 unpkg.com
unpkg.com — Cisco Umbrella Rank: 1008
15 KB
1 jsdelivr.net
cdn.jsdelivr.net — Cisco Umbrella Rank: 381
65 KB
27 12
Domain Requested by
8 blog.duolingo.com blog.duolingo.com
4 cdnjs.cloudflare.com blog.duolingo.com
cdn.mathjax.org
cdnjs.cloudflare.com
3 px.ads.linkedin.com 1 redirects snap.licdn.com
2 www.google-analytics.com www.googletagmanager.com
www.google-analytics.com
2 www.googletagmanager.com blog.duolingo.com
www.googletagmanager.com
1 stats.g.doubleclick.net www.google-analytics.com
1 px4.ads.linkedin.com blog.duolingo.com
1 region1.google-analytics.com www.googletagmanager.com
1 snap.licdn.com www.googletagmanager.com
1 duolingo.ghost.io blog.duolingo.com
1 cdn.mathjax.org blog.duolingo.com
1 code.jquery.com blog.duolingo.com
1 unpkg.com blog.duolingo.com
1 cdn.jsdelivr.net blog.duolingo.com
27 14
Subject Issuer Validity Valid
blog.duolingo.com
R3		 2024-05-25 -
2024-08-23		 3 months crt.sh
*.jsdelivr.net
Sectigo RSA Domain Validation Secure Server CA		 2024-05-04 -
2025-05-04		 a year crt.sh
unpkg.com
GTS CA 1P5		 2024-05-30 -
2024-08-28		 3 months crt.sh
*.jquery.com
Sectigo RSA Domain Validation Secure Server CA		 2023-07-11 -
2024-07-14		 a year crt.sh
cdnjs.cloudflare.com
E1		 2024-06-02 -
2024-08-31		 3 months crt.sh
mathjax.org
WE1		 2024-06-24 -
2024-09-22		 3 months crt.sh
*.google-analytics.com
WR2		 2024-06-03 -
2024-08-26		 3 months crt.sh
ghost.io
R10		 2024-06-17 -
2024-09-15		 3 months crt.sh
snap.licdn.com
DigiCert SHA2 Secure Server CA		 2023-12-13 -
2024-12-12		 a year crt.sh
www.linkedin.com
DigiCert SHA2 Secure Server CA		 2024-01-30 -
2024-07-30		 6 months crt.sh
*.g.doubleclick.net
WR2		 2024-06-03 -
2024-08-26		 3 months crt.sh

This page contains 1 frames:

Primary Page: https://blog.duolingo.com/
Frame ID: C2E21245355422734904716732F41F98
Requests: 27 HTTP requests in this frame

Screenshot
Live screenshot
Full Image

Page Title

Duolingo Blog | Writing about the best way to learn a language

Page URL History Show full URLs

  1. http://blog.duolingo.com/ HTTP 307
    https://blog.duolingo.com/ Page URL

Detected technologies

Overall confidence: 100%
Detected patterns
  • ([\d.]+)?/mathjax\.js
Overall confidence: 100%
Detected patterns
  • google-analytics\.com/(?:ga|urchin|analytics)\.js
Overall confidence: 100%
Detected patterns
  • googletagmanager\.com/gtm\.js
  • googletagmanager\.com/gtag/js
Overall confidence: 100%
Detected patterns
  • snap\.licdn\.com/li\.lms-analytics/insight\.min\.js
Overall confidence: 100%
Detected patterns
  • moment(?:\.min)?\.js
Overall confidence: 100%
Detected patterns
  • jquery[.-]([\d.]*\d)[^/]*\.js
  • jquery.*\.js(?:\?ver(?:sion)?=([\d.]+))?
Overall confidence: 100%
Detected patterns
  • //cdn\.jsdelivr\.net/

Page Statistics

27
Requests

96 %
HTTPS

86 %
IPv6

12
Domains

14
Subdomains

14
IPs

4
Countries

3006 kB
Transfer

13365 kB
Size

7
Cookies

Page URL History

This captures the URL locations of the websites, including HTTP redirects and client-side redirects via JavaScript or Meta fields.

  1. http://blog.duolingo.com/ HTTP 307
    https://blog.duolingo.com/ Page URL

Redirected requests

There were HTTP redirect chains for the following requests:

Request Chain 22
  • https://px.ads.linkedin.com/collect?v=2&fmt=js&pid=1516602&time=1719376028609&url=https%3A%2F%2Fblog.duolingo.com%2F HTTP 302
  • https://px4.ads.linkedin.com/collect?v=2&fmt=js&pid=1516602&time=1719376028609&url=https%3A%2F%2Fblog.duolingo.com%2F&e_ipv6=AQLoNYrpAopPOgAAAZBSzCX1OmbX3zdz5exzG8UKOwhq4uZJXaA0f9R_R47F65flKDV166cy

27 HTTP transactions

Resource
Path		 Size
x-fer		 Type
MIME-Type
Primary Request /
blog.duolingo.com/
Redirect Chain
  • http://blog.duolingo.com/
  • https://blog.duolingo.com/
81 KB
23 KB 		Document
General
Check archive.org
Download Go to
Full URL
https://blog.duolingo.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a04:4e42::775 , United States, ASN54113 (FASTLY, US),
Reverse DNS
Software
openresty /
Resource Hash
88fb4f0cbe5bfd018cc005d81197db65878fe208b2e2108a9773764c623d15c9

Request headers

Accept-Language
de-DE,de;q=0.9;q=0.9
Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36

Response headers

accept-ranges
bytes
age
45773
alt-svc
clear
cache-control
public, max-age=0
content-encoding
gzip
content-length
22668
content-type
text/html; charset=utf-8
date
Wed, 26 Jun 2024 04:27:08 GMT
etag
W/"143d4-5BtRdBUzDAw42KT1H1Klolxb9co"
ghost-age
0
ghost-cache
MISS
ghost-fastly
true
server
openresty
status
200 OK
vary
Cookie, Accept-Encoding
via
1.1 varnish, 1.1 varnish
x-cache
HIT, HIT
x-cache-hits
19, 0
x-request-id
4fa1effc-4f2c-4075-b77b-1de13f4db240
x-served-by
cache-ams2100094-AMS, cache-cph2320057-CPH
x-timer
S1719376028.060363,VS0,VE1

Redirect headers

Location
https://blog.duolingo.com/
Non-Authoritative-Reason
HttpsUpgrades
styles.css
blog.duolingo.com/assets/built/ 		92 KB
13 KB 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://blog.duolingo.com/assets/built/styles.css?v=cd94d8d199
Requested by
Host: blog.duolingo.com
URL: https://blog.duolingo.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a04:4e42::775 , United States, ASN54113 (FASTLY, US),
Reverse DNS
Software
openresty /
Resource Hash
b4cce3d534e05c62aaefdd7c340829095610b4592183d849e09b379a7af85106

Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer
https://blog.duolingo.com/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

ghost-age
0
date
Wed, 26 Jun 2024 04:27:08 GMT
content-encoding
gzip
via
1.1 varnish, 1.1 varnish
age
78054
x-cache
HIT, HIT
status
200 OK
alt-svc
clear
content-length
13024
ghost-fastly
true
x-request-id
a03e5f25-8e88-4834-83ca-9dbe60af4ab4
x-served-by
cache-ams21061-AMS, cache-cph2320057-CPH
last-modified
Mon, 24 Jun 2024 14:16:55 GMT
server
openresty
x-timer
S1719376028.116744,VS0,VE1
etag
W/"1701b-1904a9b631f"
vary
Accept-Encoding
content-type
text/css; charset=UTF-8
cache-control
public, max-age=31536000
ghost-cache
MISS
accept-ranges
bytes
x-cache-hits
12, 37
sodo-search.min.js
cdn.jsdelivr.net/ghost/sodo-search@~1.1/umd/ 		197 KB
65 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://cdn.jsdelivr.net/ghost/sodo-search@~1.1/umd/sodo-search.min.js
Requested by
Host: blog.duolingo.com
URL: https://blog.duolingo.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6812:bb1f , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
73e90bca3350ae511b91bb029abfdc78760e164530c9cfd8f1f5e5d007a254b4
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer
https://blog.duolingo.com/
Origin
https://blog.duolingo.com
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Wed, 26 Jun 2024 04:27:08 GMT
strict-transport-security
max-age=31536000; includeSubDomains; preload
x-content-type-options
nosniff
cf-cache-status
HIT
content-encoding
gzip
nel
{"success_fraction":0.01,"report_to":"cf-nel","max_age":604800}
age
41898
x-jsd-version
1.1.1
x-cache
HIT, HIT
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=86400
content-length
65539
x-served-by
cache-fra-etou8220075-FRA, cache-lga21950-LGA
x-jsd-version-type
version
server
cloudflare
etag
W/"313b2-PGFkfSo33Bwphw9PaHfsB1kMn/Y"
vary
Accept-Encoding
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=LXpbgtuPmA3KQftWtgOc0tokI3RdKcthoat4ygUk%2FnlOs9v%2F3adZgIilR55wxEeZEYzI7zqagScZUrZahH5a1i3FHUBi23xzoQHNN2YIKTJZgC1Sx8jNBxnBSFVbrOlcROUkm%2BYk%2BXQMMAfxDKk%3D"}],"group":"cf-nel","max_age":604800}
content-type
application/javascript; charset=utf-8
access-control-allow-origin
*
access-control-expose-headers
*
cache-control
public, max-age=600, s-maxage=43200, stale-while-revalidate=600, stale-if-error=86400
accept-ranges
bytes
timing-allow-origin
*
cf-ray
899a71705da3bb79-FRA
cards.min.js
blog.duolingo.com/public/ 		7 KB
2 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://blog.duolingo.com/public/cards.min.js?v=cd94d8d199
Requested by
Host: blog.duolingo.com
URL: https://blog.duolingo.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a04:4e42::775 , United States, ASN54113 (FASTLY, US),
Reverse DNS
Software
openresty /
Resource Hash
7b9c762be52fed9737a319df953c29ad448a7713a31a4ba0f76ab15013512ee6

Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer
https://blog.duolingo.com/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

ghost-age
0
date
Wed, 26 Jun 2024 04:27:08 GMT
content-encoding
gzip
via
1.1 varnish, 1.1 varnish
age
78054
x-cache
HIT, HIT
status
200 OK
alt-svc
clear
content-length
1557
ghost-fastly
true
x-request-id
54d83c28-d898-414d-b841-21816b9fdc3d
x-served-by
cache-ams2100137-AMS, cache-cph2320057-CPH
server
openresty
x-timer
S1719376028.166729,VS0,VE1
etag
W/"431228c753b74a6958600d170f921e6d"
vary
Accept-Encoding
content-type
application/javascript
cache-control
public, max-age=31536000
ghost-cache
MISS
accept-ranges
bytes
x-cache-hits
11, 37
cards.min.css
blog.duolingo.com/public/ 		39 KB
7 KB 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://blog.duolingo.com/public/cards.min.css?v=cd94d8d199
Requested by
Host: blog.duolingo.com
URL: https://blog.duolingo.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a04:4e42::775 , United States, ASN54113 (FASTLY, US),
Reverse DNS
Software
openresty /
Resource Hash
bbb5fad81eb93d4f4c9acd239d60092e2ddb1016346f683850ef982bd564ed2c

Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer
https://blog.duolingo.com/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

ghost-age
0
date
Wed, 26 Jun 2024 04:27:08 GMT
content-encoding
gzip
via
1.1 varnish, 1.1 varnish
age
78054
x-cache
HIT, HIT
status
200 OK
alt-svc
clear
content-length
6799
ghost-fastly
true
x-request-id
4c494f10-7210-484e-bfe5-32b0f32a3d91
x-served-by
cache-ams2100132-AMS, cache-cph2320057-CPH
server
openresty
x-timer
S1719376028.116725,VS0,VE1
etag
W/"319cd350df7c9bc419a2a235b70ccc0d"
vary
Accept-Encoding
content-type
text/css
cache-control
public, max-age=31536000
ghost-cache
MISS
accept-ranges
bytes
x-cache-hits
12, 37
content-api.min.js
unpkg.com/@tryghost/content-api@1.3.7/umd/ 		31 KB
15 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://unpkg.com/@tryghost/content-api@1.3.7/umd/content-api.min.js
Requested by
Host: blog.duolingo.com
URL: https://blog.duolingo.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6811:f5cb , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
89a964828d706b80b62b87bbe8c3db6b0dafa453d43cd66a22981faee4920e1e
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer
https://blog.duolingo.com/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Wed, 26 Jun 2024 04:27:08 GMT
content-encoding
br
via
1.1 fly.io
cf-cache-status
HIT
x-content-type-options
nosniff
strict-transport-security
max-age=31536000; includeSubDomains; preload
age
8037412
last-modified
Sat, 26 Oct 1985 08:15:00 GMT
fly-request-id
01HSSVNWM627RSBVWGHJGCFVBB-fra
server
cloudflare
etag
"7bf2-SsyxRpNJfpu02ShnQ/k0sH9/xiQ"
vary
Accept-Encoding
content-type
application/javascript; charset=utf-8
access-control-allow-origin
*
cache-control
public, max-age=31536000
cf-ray
899a71704a431e54-FRA
jquery-3.4.1.min.js
code.jquery.com/ 		86 KB
30 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://code.jquery.com/jquery-3.4.1.min.js
Requested by
Host: blog.duolingo.com
URL: https://blog.duolingo.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a04:4e42::649 , United States, ASN54113 (FASTLY, US),
Reverse DNS
Software
nginx /
Resource Hash
0925e8ad7bd971391a8b1e98be8e87a6971919eb5b60c196485941c3c1df089a

Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer
https://blog.duolingo.com/
Origin
https://blog.duolingo.com
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Wed, 26 Jun 2024 04:27:08 GMT
content-encoding
gzip
via
1.1 varnish, 1.1 varnish
age
11294527
x-cache
HIT, HIT
content-length
30638
x-served-by
cache-lga21965-LGA, cache-cph2320039-CPH
last-modified
Fri, 18 Oct 1991 12:00:00 GMT
server
nginx
x-timer
S1719376028.206567,VS0,VE0
etag
W/"28feccc0-15851"
vary
Accept-Encoding
content-type
application/javascript; charset=utf-8
access-control-allow-origin
*
cache-control
public, max-age=31536000, stale-while-revalidate=604800
accept-ranges
bytes
x-cache-hits
18, 41188
moment.min.js
cdnjs.cloudflare.com/ajax/libs/moment.js/2.10.6/ 		35 KB
12 KB 		Script
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js
www.googletagmanager.com/gtag/ 		292 KB
98 KB 		Script
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Host: www.googletagmanager.com
URL: https://www.googletagmanager.com/gtm.js?id=GTM-WVD4G9P
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Request headers

sec-ch-ua
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Referer
https://blog.duolingo.com/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
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Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Wed, 26 Jun 2024 04:27:08 GMT
content-encoding
br
strict-transport-security
max-age=31536000; includeSubDomains
server
Google Tag Manager
vary
Accept-Encoding
content-type
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*
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cross-origin
access-control-allow-headers
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content-length
100696
x-xss-protection
0
alt-svc
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expires
Wed, 26 Jun 2024 04:27:08 GMT
analytics.js
www.google-analytics.com/ 		52 KB
21 KB 		Script
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https://www.google-analytics.com/analytics.js
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Host: www.googletagmanager.com
URL: https://www.googletagmanager.com/gtm.js?id=GTM-WVD4G9P
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:82f::200e Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
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X-Content-Type-Options nosniff

Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer
https://blog.duolingo.com/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

strict-transport-security
max-age=31536000; includeSubDomains; preload
content-encoding
gzip
x-content-type-options
nosniff
date
Wed, 26 Jun 2024 03:41:03 GMT
last-modified
Tue, 12 Dec 2023 18:09:08 GMT
server
Golfe2
age
2765
vary
Accept-Encoding
content-type
text/javascript
cache-control
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cross-origin
alt-svc
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20994
expires
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insight.min.js
snap.licdn.com/li.lms-analytics/ 		38 KB
14 KB 		Script
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https://snap.licdn.com/li.lms-analytics/insight.min.js
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Host: www.googletagmanager.com
URL: https://www.googletagmanager.com/gtm.js?id=GTM-WVD4G9P
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
2a02:26f0:780::210:ca49 Frankfurt am Main, Germany, ASN20940 (AKAMAI-ASN1, NL),
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Security Headers
Name Value
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Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer
https://blog.duolingo.com/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Wed, 26 Jun 2024 04:27:08 GMT
content-encoding
gzip
x-content-type-options
nosniff
last-modified
Tue, 18 Jun 2024 16:46:52 GMT
x-cdn
AKAM
x-amz-server-side-encryption
AES256
vary
Accept-Encoding
content-type
application/javascript;charset=utf-8
cache-control
max-age=75445
accept-ranges
bytes
content-length
14004
collect
region1.google-analytics.com/g/ 		0
0 		Fetch
General
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https://region1.google-analytics.com/g/collect?v=2&tid=G-ZRMV3W7Y2J&gtm=45je46o1v898076044z8832269320za200zb832269320&_p=1719376028145&gcd=13l3l3l2l1&npa=1&dma_cps=sypham&dma=1&tag_exp=0&cid=653997017.1719376028&ul=de-de&sr=1600x1200&uaa=x86&uab=64&uafvl=Not%252FA)Brand%3B8.0.0.0%7CChromium%3B126.0.6478.126%7CGoogle%2520Chrome%3B126.0.6478.126&uamb=0&uam=&uap=Win32&uapv=10.0.0&uaw=0&are=1&frm=0&pscdl=noapi&_s=1&sid=1719376028&sct=1&seg=0&dl=https%3A%2F%2Fblog.duolingo.com%2F&dt=Duolingo%20Blog%20%7C%20Writing%20about%20the%20best%20way%20to%20learn%20a%20language&en=page_view&_fv=1&_nsi=1&_ss=1&tfd=683&_z=fetch
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URL: https://www.googletagmanager.com/gtag/js?id=G-ZRMV3W7Y2J&l=dataLayer&cx=c
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H2
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TLS 1.3, , AES_128_GCM
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Reverse DNS
Software
Golfe2 /
Resource Hash

Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer
https://blog.duolingo.com/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

pragma
no-cache
date
Wed, 26 Jun 2024 04:27:08 GMT
server
Golfe2
content-type
text/plain
access-control-allow-origin
https://blog.duolingo.com
cache-control
no-cache, no-store, must-revalidate
access-control-allow-credentials
true
cross-origin-resource-policy
cross-origin
alt-svc
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content-length
0
expires
Fri, 01 Jan 1990 00:00:00 GMT
collect
www.google-analytics.com/j/ 		4 B
210 B 		XHR
General
Check archive.org
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Full URL
https://www.google-analytics.com/j/collect?v=1&_v=j101&a=2027778918&t=pageview&_s=1&dl=https%3A%2F%2Fblog.duolingo.com%2F&ul=de-de&de=UTF-8&dt=Duolingo%20Blog%20%7C%20Writing%20about%20the%20best%20way%20to%20learn%20a%20language&sd=24-bit&sr=1600x1200&vp=1600x1200&je=0&_u=YADAAEABAAAAACAAI~&jid=368692225&gjid=364461297&cid=653997017.1719376028&tid=UA-21595814-17&_gid=1776842889.1719376029&_r=1&_slc=1&gtm=45He46o1n81WVD4G9Pv832269320za200&gcd=13l3l3l2l1&dma_cps=sypham&dma=1&tag_exp=0&npa=1&z=1374801099
Requested by
Host: www.google-analytics.com
URL: https://www.google-analytics.com/analytics.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:82f::200e Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
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Software
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sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
sec-ch-ua-platform
"Win32"
Referer
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Accept-Language
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sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
Content-Type
text/plain

Response headers

pragma
no-cache
date
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x-content-type-options
nosniff
last-modified
Sun, 17 May 1998 03:00:00 GMT
server
Golfe2
content-type
text/plain
access-control-allow-origin
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cache-control
no-cache, no-store, must-revalidate
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cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length
4
expires
Fri, 01 Jan 1990 00:00:00 GMT
attribution_trigger
px.ads.linkedin.com/ 		2 B
813 B 		XHR
General
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https://px.ads.linkedin.com/attribution_trigger?pid=1516602&time=1719376028609&url=https%3A%2F%2Fblog.duolingo.com%2F
Requested by
Host: snap.licdn.com
URL: https://snap.licdn.com/li.lms-analytics/insight.min.js
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H2
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TLS 1.2, ECDHE_RSA, AES_256_GCM
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Reverse DNS
Software
/
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Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Accept
*
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https://blog.duolingo.com/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Wed, 26 Jun 2024 04:27:08 GMT
content-encoding
gzip
x-li-pop
afd-prod-lva1-x
x-msedge-ref
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access-control-allow-methods
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x-li-fabric
prod-lva1
access-control-allow-origin
*
x-cache
CONFIG_NOCACHE
content-type
application/json
x-li-proto
http/2
x-restli-protocol-version
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access-control-allow-headers
*
x-li-uuid
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x-fs-uuid
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Redirect Chain
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0
266 B 		Image
General
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Download Go to Show image
Full URL
https://px4.ads.linkedin.com/collect?v=2&fmt=js&pid=1516602&time=1719376028609&url=https%3A%2F%2Fblog.duolingo.com%2F&e_ipv6=AQLoNYrpAopPOgAAAZBSzCX1OmbX3zdz5exzG8UKOwhq4uZJXaA0f9R_R47F65flKDV166cy
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URL: https://blog.duolingo.com/
Protocol
H2
Server
13.107.42.14 , United States, ASN8068 (MICROSOFT-CORP-MSN-AS-BLOCK, US),
Reverse DNS
Software
/
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Request headers

Accept-Language
de-DE,de;q=0.9;q=0.9
Referer
https://blog.duolingo.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36

Response headers

date
Wed, 26 Jun 2024 04:27:08 GMT
x-li-pop
afd-prod-ltx1-x
x-msedge-ref
Ref A: 81DE433F6E7D4471B73FE3C836D09358 Ref B: DUS30EDGE0310 Ref C: 2024-06-26T04:27:09Z
linkedin-action
1
x-cache
CONFIG_NOCACHE
content-type
application/javascript
x-li-fabric
prod-ltx1
x-li-proto
http/2
content-length
0
x-li-uuid
AAYbw214g5MFxmqsLVH3Cg==

Redirect headers

date
Wed, 26 Jun 2024 04:27:09 GMT
x-li-pop
afd-prod-ltx1-x
x-msedge-ref
Ref A: 19775BF381EA4DB59005B11751179CFF Ref B: DUS30EDGE0911 Ref C: 2024-06-26T04:27:08Z
linkedin-action
1
x-cache
CONFIG_NOCACHE
x-li-fabric
prod-ltx1
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x-li-proto
http/2
content-length
0
x-li-uuid
AAYbw210Lui0GBtqXtZWNg==
collect
stats.g.doubleclick.net/j/ 		1 B
347 B 		XHR
General
Check archive.org
Download Go to
Full URL
https://stats.g.doubleclick.net/j/collect?t=dc&aip=1&_r=3&v=1&_v=j101&tid=UA-21595814-17&cid=653997017.1719376028&jid=368692225&gjid=364461297&_gid=1776842889.1719376029&npa=1&_u=YADAAEAAAAAAACAAI~&z=1923172581
Requested by
Host: www.google-analytics.com
URL: https://www.google-analytics.com/analytics.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:400c:c06::9b Brussels, Belgium, ASN15169 (GOOGLE, US),
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Software
Golfe2 /
Resource Hash
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Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
sec-ch-ua-platform
"Win32"
Referer
https://blog.duolingo.com/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
Content-Type
text/plain

Response headers

pragma
no-cache
strict-transport-security
max-age=31536000; includeSubDomains; preload
date
Wed, 26 Jun 2024 04:27:08 GMT
x-content-type-options
nosniff
last-modified
Sun, 17 May 1998 03:00:00 GMT
server
Golfe2
content-type
text/plain
access-control-allow-origin
https://blog.duolingo.com
cache-control
no-cache, no-store, must-revalidate
access-control-allow-credentials
true
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length
1
expires
Fri, 01 Jan 1990 00:00:00 GMT
/
px.ads.linkedin.com/wa/ 		0
196 B 		XHR
General
Check archive.org
Download Go to
Full URL
https://px.ads.linkedin.com/wa/
Requested by
Host: snap.licdn.com
URL: https://snap.licdn.com/li.lms-analytics/insight.min.js
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_256_GCM
Server
2620:1ec:21::14 , United States, ASN8068 (MICROSOFT-CORP-MSN-AS-BLOCK, US),
Reverse DNS
Software
/
Resource Hash
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Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
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Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
Content-Type
text/plain;charset=UTF-8
Accept
*
Referer
https://blog.duolingo.com/
sec-ch-ua-platform
"Win32"

Response headers

date
Wed, 26 Jun 2024 04:27:09 GMT
x-li-pop
afd-prod-ltx1-x
x-msedge-ref
Ref A: A39A6F9221CF4A66BD2B2C6085879BA7 Ref B: DUS30EDGE0911 Ref C: 2024-06-26T04:27:09Z
linkedin-action
1
vary
Origin
x-cache
CONFIG_NOCACHE
x-li-fabric
prod-ltx1
access-control-allow-origin
https://blog.duolingo.com
x-li-proto
http/2
access-control-allow-credentials
true
x-li-uuid
AAYbw217ZSgJr9q5YcGVOg==
duolingo-touch-icon2-1.png
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8 KB 		Other
General
Check archive.org
Download Go to
Full URL
https://blog.duolingo.com/content/images/size/w256h256/2020/03/duolingo-touch-icon2-1.png
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a04:4e42::775 , United States, ASN54113 (FASTLY, US),
Reverse DNS
Software
openresty /
Resource Hash
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Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer
https://blog.duolingo.com/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

ghost-age
0
date
Wed, 26 Jun 2024 04:27:09 GMT
via
1.1 varnish, 1.1 varnish
age
1816110
x-cache
MISS, HIT
status
200 OK
alt-svc
clear
content-length
8178
ghost-fastly
true
x-request-id
490be585-f52e-4fc5-a614-543383b9f597
x-served-by
cache-ams21037-AMS, cache-cph2320057-CPH
last-modified
Wed, 11 Jan 2023 20:00:47 GMT
server
openresty
x-timer
S1719376030.576170,VS0,VE0
etag
W/"1ff2-185a26bbc58"
content-type
image/png
access-control-allow-origin
*
cache-control
public, max-age=31536000
ghost-cache
MISS
accept-ranges
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x-cache-hits
0, 12

Verdicts & Comments Add Verdict or Comment

45 JavaScript Global Variables

These are the non-standard "global" variables defined on the window object. These can be helpful in identifying possible client-side frameworks and code.

undefined| event object| fence object| sharedStorage object| dataLayer object| __core-js_shared__ object| core function| GhostContentAPI function| $ function| jQuery function| moment function| _defineProperty function| _typeof function| _classCallCheck function| _defineProperties function| _createClass function| GhostSearch object| fuzzysort function| searchInputHandler function| debounce function| search function| displayResults function| displayError boolean| noTranslate object| _self object| Prism function| qt function| Kt function| zt function| Yt function| Ft function| Nt object| MathJax object| google_tag_manager object| google_tag_data string| GoogleAnalyticsObject function| ga string| _linkedin_data_partner_id function| onYouTubeIframeAPIReady object| gaGlobal undefined| module object| gaplugins object| gaData function| lintrk boolean| _already_called_lintrk object| ORIBILI

7 Cookies

Domain/Path Name / Value
.duolingo.com/ Name: _ga_ZRMV3W7Y2J
Value: GS1.1.1719376028.1.0.1719376028.0.0.0
.duolingo.com/ Name: _ga
Value: GA1.2.653997017.1719376028
.duolingo.com/ Name: _gid
Value: GA1.2.1776842889.1719376029
.duolingo.com/ Name: _gat_UA-21595814-17
Value: 1
.linkedin.com/ Name: bcookie
Value: "v=2&426b4442-2661-4a0f-801d-c0e96752a9c2"
.linkedin.com/ Name: li_gc
Value: MTswOzE3MTkzNzYwMjk7MjswMjFvxlhxddEoY1wWtsG/oRB8nZ/DrKo/KsbAR2l91/65CQ==
.linkedin.com/ Name: lidc
Value: "b=TGST07:s=T:r=T:a=T:p=T:g=2863:u=1:x=1:i=1719376029:t=1719462429:v=2:sig=AQF29Gc7lbn-cNYEJg2vbXDIDkXeaE3t"

Indicators

This is a term in the security industry to describe indicators such as IPs, Domains, Hashes, etc. This does not imply that any of these indicate malicious activity.

blog.duolingo.com
cdn.jsdelivr.net
cdn.mathjax.org
cdnjs.cloudflare.com
code.jquery.com
duolingo.ghost.io
px.ads.linkedin.com
px4.ads.linkedin.com
region1.google-analytics.com
snap.licdn.com
stats.g.doubleclick.net
unpkg.com
www.google-analytics.com
www.googletagmanager.com
104.17.24.14
13.107.42.14
2001:4860:4802:32::36
2606:4700:20::681a:ddc
2606:4700::6811:f5cb
2606:4700::6812:bb1f
2620:1ec:21::14
2a00:1450:4001:82f::200e
2a00:1450:4001:830::2008
2a00:1450:400c:c06::9b
2a02:26f0:780::210:ca49
2a04:4e42:400::775
2a04:4e42::649
2a04:4e42::775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