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app.ludwig.guru Open in urlscan Pro
2606:4700:10::ac43:7da  Public Scan

Go To Rescan Add Verdict Report
Submitted URL: http://app.ludwig.guru/
Effective URL: https://app.ludwig.guru/
Submission: On September 13 via manual from IN — Scanned from DE
 Behaviour Indicators
Similar DOM Content API
Verdicts

Summary

This website contacted 10 IPs in 3 countries across 8 domains to perform 29 HTTP transactions. The main IP is 2606:4700:10::ac43:7da, located in United States and belongs to CLOUDFLARENET, US. The main domain is app.ludwig.guru. The Cisco Umbrella rank of the primary domain is 724302.
TLS certificate: Issued by R3 on July 27th 2023. Valid for: 3 months.
This is the only time app.ludwig.guru was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

IP Address AS Autonomous System
1 1 2606:4700:10:... 13335 (CLOUDFLAR...)
13 2606:4700:10:... 13335 (CLOUDFLAR...)
1 2606:4700::68... 13335 (CLOUDFLAR...)
2 2606:4700:10:... 13335 (CLOUDFLAR...)
2 2a00:1450:400... 15169 (GOOGLE)
4 2a00:1450:400... 15169 (GOOGLE)
2 2620:1ec:46::45 8075 (MICROSOFT...)
1 1 2a00:1450:400... 15169 (GOOGLE)
1 2a00:1450:400... 15169 (GOOGLE)
1 2 68.219.88.97 8075 (MICROSOFT...)
1 1 2620:1ec:c11:... 8068 (MICROSOFT...)
2 2a00:1450:400... 15169 (GOOGLE)
1 104.211.35.148 8075 (MICROSOFT...)
29 10
1    2606:4700:10::6816:d60 (United States)

ASN13335 (CLOUDFLARENET, US)
app.ludwig.guru
13    2606:4700:10::ac43:7da (United States)

ASN13335 (CLOUDFLARENET, US)
app.ludwig.guru
1    2606:4700::6810:3865 (United States)

ASN13335 (CLOUDFLARENET, US)
static.cloudflareinsights.com
2    2606:4700:10::6816:c60 (United States)

ASN13335 (CLOUDFLARENET, US)
ludwig.guru
2    2a00:1450:4001:80b::200a (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)
fonts.googleapis.com
4    2a00:1450:4001:81c::2013 (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)
tags.ludwig.guru
2    2620:1ec:46::45 (United States)

ASN8075 (MICROSOFT-CORP-MSN-AS-BLOCK, US)
www.clarity.ms
1    2a00:1450:4001:81c::2004 (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)
www.google.com
1    2a00:1450:4001:82f::2002 (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)
googleads.g.doubleclick.net
2    68.219.88.97 (Dublin, Ireland)

ASN8075 (MICROSOFT-CORP-MSN-AS-BLOCK, US)
c.clarity.ms
1    2620:1ec:c11::200 (United States)

ASN8068 (MICROSOFT-CORP-MSN-AS-BLOCK, US)
c.bing.com
2    2a00:1450:4001:829::2003 (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)
fonts.gstatic.com
1    104.211.35.148 (Tappahannock, United States)

ASN8075 (MICROSOFT-CORP-MSN-AS-BLOCK, US)
y.clarity.ms
Apex Domain
Subdomains		 Transfer
20 ludwig.guru
app.ludwig.guru — Cisco Umbrella Rank: 724302
ludwig.guru — Cisco Umbrella Rank: 127844
tags.ludwig.guru — Cisco Umbrella Rank: 227089
1 MB
5 clarity.ms
www.clarity.ms — Cisco Umbrella Rank: 1055
c.clarity.ms — Cisco Umbrella Rank: 1609
y.clarity.ms — Cisco Umbrella Rank: 8584
26 KB
2 gstatic.com
fonts.gstatic.com
61 KB
2 googleapis.com
fonts.googleapis.com — Cisco Umbrella Rank: 56
2 KB
1 bing.com
c.bing.com — Cisco Umbrella Rank: 273
762 B
1 doubleclick.net
googleads.g.doubleclick.net — Cisco Umbrella Rank: 47
588 B
1 google.com
www.google.com — Cisco Umbrella Rank: 2
537 B
1 cloudflareinsights.com
static.cloudflareinsights.com — Cisco Umbrella Rank: 1118
7 KB
29 8
Domain Requested by
14 app.ludwig.guru 1 redirects app.ludwig.guru
static.cloudflareinsights.com
4 tags.ludwig.guru app.ludwig.guru
tags.ludwig.guru
2 fonts.gstatic.com fonts.googleapis.com
2 c.clarity.ms 1 redirects
2 www.clarity.ms app.ludwig.guru
www.clarity.ms
2 fonts.googleapis.com client
2 ludwig.guru app.ludwig.guru
1 y.clarity.ms www.clarity.ms
1 c.bing.com 1 redirects
1 googleads.g.doubleclick.net
1 www.google.com 1 redirects
1 static.cloudflareinsights.com app.ludwig.guru
29 12

This site contains links to these domains. Also see Links.

Domain
ludwig.guru
Subject Issuer Validity Valid
app.ludwig.guru
R3		 2023-07-27 -
2023-10-25		 3 months crt.sh
sni.cloudflaressl.com
Cloudflare Inc ECC CA-3		 2023-04-10 -
2024-04-09		 a year crt.sh
ludwig.guru
E1		 2023-09-05 -
2023-12-04		 3 months crt.sh
upload.video.google.com
GTS CA 1C3		 2023-08-14 -
2023-11-06		 3 months crt.sh
tags.ludwig.guru
GTS CA 1D4		 2023-08-12 -
2023-11-10		 3 months crt.sh
www.clarity.ms
DigiCert TLS RSA SHA256 2020 CA1		 2023-08-29 -
2024-08-29		 a year crt.sh
*.gstatic.com
GTS CA 1C3		 2023-08-14 -
2023-11-06		 3 months crt.sh
a.clarity.ms
Microsoft Azure TLS Issuing CA 06		 2023-02-13 -
2024-02-08		 a year crt.sh

This page contains 1 frames:

Primary Page: https://app.ludwig.guru/
Frame ID: B98FEC79EB064FA610E2EC65DEB28A3F
Requests: 28 HTTP requests in this frame

Screenshot
Live screenshot
Full Image

Page Title

Ludwig.guru - Write Better Englishludwig

Page URL History Show full URLs

  1. http://app.ludwig.guru/ HTTP 301
    https://app.ludwig.guru/ Page URL

Detected technologies

Overall confidence: 100%
Detected patterns
  • static\.cloudflareinsights\.com/beacon(?:\.min)?\.js
Overall confidence: 100%
Detected patterns

Page Statistics

29
Requests

93 %
HTTPS

85 %
IPv6

8
Domains

12
Subdomains

10
IPs

3
Countries

1572 kB
Transfer

4645 kB
Size

19
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://app.ludwig.guru/ HTTP 301
    https://app.ludwig.guru/ Page URL

Redirected requests

There were HTTP redirect chains for the following requests:

Request Chain 20
  • https://www.google.com/pagead/landing?gcs=G111&gcd=G100&rnd=750191075.1694596654&url=https%3A%2F%2Fapp.ludwig.guru%2Flogin&gtm=45Fe39b0n81T5PRKJB&auid=747536348.1694596654 HTTP 302
  • https://googleads.g.doubleclick.net/pagead/landing?gcs=G111&gcd=G100&rnd=750191075.1694596654&url=https%3A%2F%2Fapp.ludwig.guru%2Flogin&gtm=45Fe39b0n81T5PRKJB&auid=747536348.1694596654
Request Chain 24
  • https://c.clarity.ms/c.gif HTTP 302
  • https://c.bing.com/c.gif?ctsa=mr&CtsSyncId=CC982D34FA744F0C9B91826DEBF06686&RedC=c.clarity.ms&MXFR=3C23F2C70D296C382BA3E14C09296201 HTTP 302
  • https://c.clarity.ms/c.gif?ctsa=mr&CtsSyncId=CC982D34FA744F0C9B91826DEBF06686&MUID=320333AAF18E6BCC1E3C2021F0056A92

29 HTTP transactions

Resource
Path		 Size
x-fer		 Type
MIME-Type
Primary Request /
app.ludwig.guru/
Redirect Chain
  • http://app.ludwig.guru/
  • https://app.ludwig.guru/
10 KB
3 KB 		Document
General
Check archive.org
Download Go to
Full URL
https://app.ludwig.guru/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:10::ac43:7da , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
59a2528fe19dfc2dc153342d38b487867bcabf4d8ada7e1c34a06bcdc8893e07
Security Headers
Name Value
X-Content-Type-Options nosniff

Request headers

Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/116.0.5845.187 Safari/537.36
accept-language
de-DE,de;q=0.9

Response headers

cache-control
public, max-age=14400, s-maxage=300
cf-cache-status
REVALIDATED
cf-ray
805f4c31df2b37d4-FRA
content-encoding
br
content-type
text/html; charset=utf-8
date
Wed, 13 Sep 2023 09:17:32 GMT
last-modified
Fri, 01 Sep 2023 12:11:23 UTC
server
cloudflare
vary
Accept-Encoding
x-content-type-options
nosniff

Redirect headers

CF-RAY
805f4c3118283655-FRA
Cache-Control
max-age=3600
Connection
keep-alive
Date
Wed, 13 Sep 2023 09:17:31 GMT
Expires
Wed, 13 Sep 2023 10:17:31 GMT
Location
https://app.ludwig.guru/
Server
cloudflare
Transfer-Encoding
chunked
Vary
Accept-Encoding
index.1ecd3cdc.js
app.ludwig.guru/assets/ 		3 MB
1 MB 		Script
General
Check archive.org
Download Go to
Full URL
https://app.ludwig.guru/assets/index.1ecd3cdc.js
Requested by
Host: app.ludwig.guru
URL: https://app.ludwig.guru/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:10::ac43:7da , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
60064c55da7e919e59c9635df69390229fbe83b39a41a023b889400e64b63c21
Security Headers
Name Value
X-Content-Type-Options nosniff

Request headers

Referer
https://app.ludwig.guru/
Origin
https://app.ludwig.guru
accept-language
de-DE,de;q=0.9
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/116.0.5845.187 Safari/537.36

Response headers

date
Wed, 13 Sep 2023 09:17:32 GMT
content-encoding
br
x-content-type-options
nosniff
cf-cache-status
REVALIDATED
last-modified
Fri, 01 Sep 2023 12:11:26 UTC
server
cloudflare
etag
W/"1bd454f97a237a41621d9dc16eb78ec4"
vary
Accept-Encoding
content-type
text/javascript; charset=utf-8
cache-control
max-age=14400, s-maxage=2592000, stale-while-revalidate=86400
cf-ray
805f4c356bfb37d4-FRA
react.b2c6cdd5.js
app.ludwig.guru/assets/ 		146 KB
48 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://app.ludwig.guru/assets/react.b2c6cdd5.js
Requested by
Host: app.ludwig.guru
URL: https://app.ludwig.guru/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:10::ac43:7da , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
a8179da5ccf3d25f33f2bce662911cadd85638534c34e969266ef373ef8c619a
Security Headers
Name Value
X-Content-Type-Options nosniff

Request headers

Referer
https://app.ludwig.guru/
Origin
https://app.ludwig.guru
accept-language
de-DE,de;q=0.9
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/116.0.5845.187 Safari/537.36

Response headers

date
Wed, 13 Sep 2023 09:17:32 GMT
content-encoding
br
x-content-type-options
nosniff
cf-cache-status
REVALIDATED
last-modified
Fri, 01 Sep 2023 12:11:25 UTC
server
cloudflare
etag
W/"5083fc2c93be8f913acd1e33f2477e44"
vary
Accept-Encoding
content-type
text/javascript; charset=utf-8
cache-control
max-age=14400, s-maxage=2592000, stale-while-revalidate=86400
cf-ray
805f4c356bfe37d4-FRA
vendor.62c83a99.js
app.ludwig.guru/assets/ 		473 KB
134 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://app.ludwig.guru/assets/vendor.62c83a99.js
Requested by
Host: app.ludwig.guru
URL: https://app.ludwig.guru/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:10::ac43:7da , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
1179de2afe0f81922d3bdfb335ffac888a3bae1906372a45b9298f3c91d2df3c
Security Headers
Name Value
X-Content-Type-Options nosniff

Request headers

Referer
https://app.ludwig.guru/
Origin
https://app.ludwig.guru
accept-language
de-DE,de;q=0.9
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/116.0.5845.187 Safari/537.36

Response headers

date
Wed, 13 Sep 2023 09:17:32 GMT
content-encoding
br
x-content-type-options
nosniff
cf-cache-status
REVALIDATED
last-modified
Fri, 01 Sep 2023 12:11:24 UTC
server
cloudflare
etag
W/"34ae34637b94226dcd88d448ab3b008f"
vary
Accept-Encoding
content-type
text/javascript; charset=utf-8
cache-control
max-age=14400, s-maxage=2592000, stale-while-revalidate=86400
cf-ray
805f4c356bff37d4-FRA
index.5265c558.css
app.ludwig.guru/assets/ 		293 B
302 B 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://app.ludwig.guru/assets/index.5265c558.css
Requested by
Host: app.ludwig.guru
URL: https://app.ludwig.guru/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:10::ac43:7da , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
5265c558eb1908ad29615c1d6f3a1fe3ea0714800dff305a556e3f2f2048dfb7
Security Headers
Name Value
X-Content-Type-Options nosniff

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://app.ludwig.guru/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/116.0.5845.187 Safari/537.36

Response headers

date
Wed, 13 Sep 2023 09:17:32 GMT
content-encoding
br
x-content-type-options
nosniff
cf-cache-status
REVALIDATED
last-modified
Fri, 01 Sep 2023 12:11:25 UTC
server
cloudflare
etag
W/"166501e3b83a18910413e4f6a02b20cc"
vary
Accept-Encoding
content-type
text/css; charset=utf-8
cache-control
max-age=14400, s-maxage=2592000, stale-while-revalidate=86400
cf-ray
805f4c356bf837d4-FRA
workbox-window.prod.es5.a86d7c7f.js
app.ludwig.guru/assets/ 		5 KB
2 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://app.ludwig.guru/assets/workbox-window.prod.es5.a86d7c7f.js
Requested by
Host: app.ludwig.guru
URL: https://app.ludwig.guru/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:10::ac43:7da , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
56a9cd3dd719721f142c97ab9d8a8d0cdc107f55ebf2508f72f3d37d93462a26
Security Headers
Name Value
X-Content-Type-Options nosniff

Request headers

Referer
https://app.ludwig.guru/
Origin
https://app.ludwig.guru
accept-language
de-DE,de;q=0.9
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/116.0.5845.187 Safari/537.36

Response headers

date
Wed, 13 Sep 2023 09:17:32 GMT
content-encoding
br
x-content-type-options
nosniff
cf-cache-status
REVALIDATED
last-modified
Fri, 01 Sep 2023 12:11:24 UTC
server
cloudflare
etag
W/"705542250eaeb3b479f967a9f5abb776"
vary
Accept-Encoding
content-type
text/javascript; charset=utf-8
cache-control
max-age=14400, s-maxage=2592000, stale-while-revalidate=86400
cf-ray
805f4c356c0137d4-FRA
v8b253dfea2ab4077af8c6f58422dfbfd1689876627854
static.cloudflareinsights.com/beacon.min.js/ 		20 KB
7 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://static.cloudflareinsights.com/beacon.min.js/v8b253dfea2ab4077af8c6f58422dfbfd1689876627854
Requested by
Host: app.ludwig.guru
URL: https://app.ludwig.guru/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6810:3865 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
c235f21017bcc11fcaa31d7dfd9855aaebcbf5f6d7ee9bf9f2e98a910907c391

Request headers

Referer
https://app.ludwig.guru/
Origin
https://app.ludwig.guru
accept-language
de-DE,de;q=0.9
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/116.0.5845.187 Safari/537.36

Response headers

date
Wed, 13 Sep 2023 09:17:33 GMT
content-encoding
gzip
last-modified
Thu, 20 Jul 2023 18:10:27 GMT
server
cloudflare
etag
W/"2023.7.1"
vary
Accept-Encoding
content-type
text/javascript;charset=UTF-8
access-control-allow-origin
*
cache-control
public, max-age=86400
cross-origin-resource-policy
cross-origin
cf-ray
805f4c396fdd9a0c-FRA
guest
ludwig.guru/api/auth/signin/ 		0
0 		Preflight
General
Check archive.org
Download Go to
Full URL
https://ludwig.guru/api/auth/signin/guest
Protocol
H2
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
2606:4700:10::6816:c60 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
Security Headers
Name Value
Strict-Transport-Security max-age=63072000
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN

Request headers

Accept
*/*
Access-Control-Request-Headers
cache-control,version
Access-Control-Request-Method
GET
Origin
https://app.ludwig.guru
Sec-Fetch-Mode
cors
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/116.0.5845.187 Safari/537.36

Response headers

access-control-allow-credentials
true
access-control-allow-headers
cache-control, version
access-control-allow-methods
GET
access-control-allow-origin
https://app.ludwig.guru
access-control-expose-headers
Authorization, Link, X-Total-Count
access-control-max-age
1800
cf-cache-status
DYNAMIC
cf-ray
805f4c3bfa826957-FRA
content-length
0
date
Wed, 13 Sep 2023 09:17:33 GMT
server
cloudflare
strict-transport-security
max-age=63072000
vary
Cookie
x-content-type-options
nosniff
x-frame-options
SAMEORIGIN
guest
ludwig.guru/api/auth/signin/ 		287 B
924 B 		XHR
General
Check archive.org
Download Go to
Full URL
https://ludwig.guru/api/auth/signin/guest
Requested by
Host: app.ludwig.guru
URL: https://app.ludwig.guru/assets/index.1ecd3cdc.js
Protocol
H2
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
2606:4700:10::6816:c60 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
ef08235abc1db3dee9d70b6c8238bb8b41001493fe6bfd24e6a67b40524af277
Security Headers
Name Value
Content-Security-Policy default-src 'self'; frame-src 'self' data:; script-src 'self' 'unsafe-inline' 'unsafe-eval' https://storage.googleapis.com; style-src 'self' 'unsafe-inline'; img-src 'self' data:; font-src 'self' data:
Strict-Transport-Security max-age=63072000
X-Content-Type-Options nosniff, nosniff
X-Frame-Options DENY, SAMEORIGIN
X-Xss-Protection 1; mode=block

Request headers

Accept
application/json, text/plain, */*
Cache-Control
no-cache
Referer
https://app.ludwig.guru/
accept-language
de-DE,de;q=0.9
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/116.0.5845.187 Safari/537.36
Version
2.1.63.web_app

Response headers

date
Wed, 13 Sep 2023 09:17:33 GMT
content-security-policy
default-src 'self'; frame-src 'self' data:; script-src 'self' 'unsafe-inline' 'unsafe-eval' https://storage.googleapis.com; style-src 'self' 'unsafe-inline'; img-src 'self' data:; font-src 'self' data:
x-content-type-options
nosniff, nosniff
strict-transport-security
max-age=63072000
cf-cache-status
DYNAMIC
content-encoding
br
authorization
eyJhbGciOiJIUzUxMiJ9.eyJzdWIiOiJsZ185MjkzMDc5MDIiLCJhdXRoIjoiZ3Vlc3QiLCJleHAiOjE3MTAxNDg2NTN9.SDPd5HeZ6ChdWz2q5A4bAsMtpoSQXfkNfoJ9zFUM48M-NbgAG-F2llVlv_9AN83UwKhJ7BEbYCnxpGiYvEHEgw
x-xss-protection
1; mode=block
pragma
no-cache
referrer-policy
strict-origin-when-cross-origin
server
cloudflare
x-frame-options
DENY, SAMEORIGIN
vary
Cookie
content-type
application/json;charset=UTF-8
access-control-allow-origin
https://app.ludwig.guru
access-control-expose-headers
Authorization, Link, X-Total-Count
cache-control
no-cache, no-store, max-age=0, must-revalidate
access-control-allow-credentials
true
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https://tags.ludwig.guru/gtm.js?id=GTM-T5PRKJB
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https://app.ludwig.guru/cdn-cgi/zaraz/t
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https://app.ludwig.guru/cdn-cgi/zaraz/t
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server
cloudflare
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1014 B 		Script
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https://www.clarity.ms/tag/gylzvy2xt3
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89 KB 		Script
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42 B
588 B 		Ping
General
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https://googleads.g.doubleclick.net/pagead/landing?gcs=G111&gcd=G100&rnd=750191075.1694596654&url=https%3A%2F%2Fapp.ludwig.guru%2Flogin&gtm=45Fe39b0n81T5PRKJB&auid=747536348.1694596654
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X-Content-Type-Options nosniff
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Request headers

accept-language
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User-Agent
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Response headers

pragma
no-cache
date
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content-security-policy
script-src 'none'; object-src 'none'
x-content-type-options
nosniff
server
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alt-svc
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Redirect headers

pragma
no-cache
date
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content-security-policy
script-src 'none'; object-src 'none'
x-content-type-options
nosniff
server
cafe
content-type
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p3p
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alt-svc
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content-length
42
x-xss-protection
0
expires
Fri, 01 Jan 1990 00:00:00 GMT
collect
tags.ludwig.guru/g/ 		65 B
561 B 		XHR
General
Check archive.org
Download Go to
Full URL
https://tags.ludwig.guru/g/collect?v=2&tid=G-0CD75JMF9R&gtm=45he39b0&_p=1039655151&gcs=G111&cid=web-0b673be03bc649ffba64b476cdfb1c123010a82e&ul=en-us&sr=1600x1200&_fplc=0&uaa=&uab=&uafvl=&uamb=0&uam=&uap=&uapv=&uaw=0&sst.uc=&sst.rnd=750191075.1694596654&sst.gse=1&sst.gcd=G100&_s=1&uid=929307902&sid=1694596654&sct=1&seg=0&dl=https%3A%2F%2Fapp.ludwig.guru%2Flogin&dt=Ludwig.guru%20-%20Write%20Better%20English&en=page_view&_fv=1&_ss=1&ep.app_source=web_app&ep.anonymize_ip=true&ep.user_role=guest&ep.user_is_premium=false&upn.user_id=929307902&up.user_role=guest&up.app_source=web_app&up.user_is_premium=false&up.client_id=web-0b673be03bc649ffba64b476cdfb1c123010a82e&richsstsse
Requested by
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Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:81c::2013 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
Google Frontend /
Resource Hash
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Security Headers
Name Value
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Request headers

accept-language
de-DE,de;q=0.9
Referer
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User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/116.0.5845.187 Safari/537.36

Response headers

date
Wed, 13 Sep 2023 09:17:34 GMT
x-content-type-options
nosniff
server
Google Frontend
content-type
text/plain
access-control-allow-origin
https://app.ludwig.guru
cache-control
no-cache
access-control-allow-credentials
true
x-accel-buffering
no
expires
Wed, 13 Sep 2023 09:17:34 GMT
collect
tags.ludwig.guru/g/ 		65 B
372 B 		XHR
General
Check archive.org
Download Go to
Full URL
https://tags.ludwig.guru/g/collect?v=2&tid=G-0CD75JMF9R&gtm=45he39b0&_p=1039655151&gcs=G111&cid=web-0b673be03bc649ffba64b476cdfb1c123010a82e&ul=en-us&sr=1600x1200&_fplc=0&uaa=&uab=&uafvl=&uamb=0&uam=&uap=&uapv=&uaw=0&sst.uc=&sst.rnd=750191075.1694596654&sst.gse=1&sst.gcd=G100&uid=929307902&sid=1694596654&sct=1&seg=0&dl=https%3A%2F%2Fapp.ludwig.guru%2Flogin&dt=Ludwig.guru%20-%20Write%20Better%20English&_s=2&richsstsse
Requested by
Host: tags.ludwig.guru
URL: https://tags.ludwig.guru/gtag/js?id=G-0CD75JMF9R&l=dataLayer&cx=c&sign=68b1b1a7826ee3623b337d002e6acad4b9cb668a4af9e3967e997c468db17fca_20230913
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:81c::2013 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
Google Frontend /
Resource Hash
e64954dc34e12c7190cc2338a54b07644ff0f102aa71cc7209bcbb49c3009f7c
Security Headers
Name Value
X-Content-Type-Options nosniff

Request headers

Referer
https://app.ludwig.guru/
accept-language
de-DE,de;q=0.9
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/116.0.5845.187 Safari/537.36
Content-Type
text/plain;charset=UTF-8

Response headers

date
Wed, 13 Sep 2023 09:17:34 GMT
x-content-type-options
nosniff
server
Google Frontend
content-type
text/plain
access-control-allow-origin
https://app.ludwig.guru
cache-control
no-cache
access-control-allow-credentials
true
x-accel-buffering
no
expires
Wed, 13 Sep 2023 09:17:34 GMT
clarity.js
www.clarity.ms/s/0.7.10/ 		57 KB
24 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://www.clarity.ms/s/0.7.10/clarity.js
Requested by
Host: www.clarity.ms
URL: https://www.clarity.ms/tag/gylzvy2xt3
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
2620:1ec:46::45 , United States, ASN8075 (MICROSOFT-CORP-MSN-AS-BLOCK, US),
Reverse DNS
Software
/
Resource Hash
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Request headers

accept-language
de-DE,de;q=0.9
Referer
https://app.ludwig.guru/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/116.0.5845.187 Safari/537.36

Response headers

date
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content-encoding
br
last-modified
Tue, 05 Sep 2023 13:50:16 GMT
etag
W/"0x8DBAE170900AD3F"
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x-azure-ref
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content-type
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cache-control
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x-cache
TCP_HIT
x-ms-version
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c.gif
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42 B
443 B 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://c.clarity.ms/c.gif?ctsa=mr&CtsSyncId=CC982D34FA744F0C9B91826DEBF06686&MUID=320333AAF18E6BCC1E3C2021F0056A92
Protocol
H2
Server
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Reverse DNS
Software
Microsoft-IIS/10.0 / ASP.NET
Resource Hash
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Request headers

accept-language
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Referer
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User-Agent
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Response headers

pragma
no-cache
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last-modified
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server
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etag
"8d59566974dbd91:0"
x-powered-by
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Redirect headers

pragma
no-cache
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accept-ch
Sec-CH-UA-Arch, Sec-CH-UA-Bitness, Sec-CH-UA-Full-Version, Sec-CH-UA-Full-Version-List, Sec-CH-UA-Mobile, Sec-CH-UA-Model, Sec-CH-UA-Platform, Sec-CH-UA-Platform-Version
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31 KB 		Font
General
Check archive.org
Download Go to
Full URL
https://fonts.gstatic.com/s/nunitosans/v15/pe0TMImSLYBIv1o4X1M8ce2xCx3yop4tQpF_MeTm0lfGWVpNn64CL7U8upHZIbMV51Q42ptCp7t1R-s.woff2
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Host: fonts.googleapis.com
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Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:829::2003 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
sffe /
Resource Hash
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Security Headers
Name Value
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Request headers

Referer
https://fonts.googleapis.com/
Origin
https://app.ludwig.guru
accept-language
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User-Agent
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Response headers

date
Sat, 09 Sep 2023 07:33:53 GMT
x-content-type-options
nosniff
age
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content-security-policy-report-only
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server
sffe
cross-origin-opener-policy
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report-to
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30 KB 		Font
General
Check archive.org
Download Go to
Full URL
https://fonts.gstatic.com/s/nunitosans/v15/pe0TMImSLYBIv1o4X1M8ce2xCx3yop4tQpF_MeTm0lfGWVpNn64CL7U8upHZIbMV51Q42ptCp7t1R-s.woff2
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Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:829::2003 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
sffe /
Resource Hash
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Security Headers
Name Value
X-Content-Type-Options nosniff
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Request headers

Referer
https://fonts.googleapis.com/
Origin
https://app.ludwig.guru
accept-language
de-DE,de;q=0.9
User-Agent
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Response headers

date
Sat, 09 Sep 2023 07:33:53 GMT
x-content-type-options
nosniff
age
351821
content-security-policy-report-only
require-trusted-types-for 'script'; report-uri https://csp.withgoogle.com/csp/apps-themes
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length
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x-xss-protection
0
last-modified
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server
sffe
cross-origin-opener-policy
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report-to
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*
cache-control
public, max-age=31536000
accept-ranges
bytes
timing-allow-origin
*
expires
Sun, 08 Sep 2024 07:33:53 GMT
collect
y.clarity.ms/ 		0
295 B 		XHR
General
Check archive.org
Download Go to
Full URL
https://y.clarity.ms/collect
Requested by
Host: www.clarity.ms
URL: https://www.clarity.ms/s/0.7.10/clarity.js
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_256_GCM
Server
104.211.35.148 Tappahannock, United States, ASN8075 (MICROSOFT-CORP-MSN-AS-BLOCK, US),
Reverse DNS
Software
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Resource Hash
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Request headers

Accept
application/x-clarity-gzip
Referer
https://app.ludwig.guru/
accept-language
de-DE,de;q=0.9
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/116.0.5845.187 Safari/537.36

Response headers

Access-Control-Allow-Origin
https://app.ludwig.guru
Date
Wed, 13 Sep 2023 09:17:35 GMT
Access-Control-Allow-Credentials
true
Server
nginx/1.18.0 (Ubuntu)
Connection
keep-alive
Vary
Origin
Request-Context
appId=cid-v1:dfa4d45a-f309-4181-9ede-77e6e6c0ecf0

Verdicts & Comments Add Verdict or Comment

15 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.

object| documentPictureInPicture object| zarazData object| zaraz object| global function| setImmediate function| clearImmediate object| __cfBeacon object| dataLayer string| prefixedKey object| google_tag_manager object| google_tag_data function| clarity undefined| lhEv function| onYouTubeIframeAPIReady object| gaGlobal

19 Cookies

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Value: GA1.1.web-0b673be03bc649ffba64b476cdfb1c123010a82e
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Security Headers

This page lists any security headers set by the main page. If you want to understand what these mean and how to use them, head on over to this page

Header Value
X-Content-Type-Options nosniff

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.

app.ludwig.guru
c.bing.com
c.clarity.ms
fonts.googleapis.com
fonts.gstatic.com
googleads.g.doubleclick.net
ludwig.guru
static.cloudflareinsights.com
tags.ludwig.guru
www.clarity.ms
www.google.com
y.clarity.ms
104.211.35.148
2606:4700:10::6816:c60
2606:4700:10::6816:d60
2606:4700:10::ac43:7da
2606:4700::6810:3865
2620:1ec:46::45
2620:1ec:c11::200
2a00:1450:4001:80b::200a
2a00:1450:4001:81c::2004
2a00:1450:4001:81c::2013
2a00:1450:4001:829::2003
2a00:1450:4001:82f::2002
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