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www.leo-lang.org Open in urlscan Pro
2606:4700::6812:508  Public Scan

Go To Rescan Add Verdict Report
Submitted URL: https://leo-lang.org/
Effective URL: https://www.leo-lang.org/
Submission: On November 09 via api from JP — Scanned from JP
 Behaviour Indicators
Similar DOM Content API
Verdicts

Summary

This website contacted 2 IPs in 2 countries across 2 domains to perform 21 HTTP transactions. The main IP is 2606:4700::6812:508, located in United States and belongs to CLOUDFLARENET, US. The main domain is www.leo-lang.org.
TLS certificate: Issued by WE1 on October 30th 2024. Valid for: 3 months.
This is the only time www.leo-lang.org was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

IP Address AS Autonomous System
1 21 2606:4700::68... 13335 (CLOUDFLAR...)
1 2 104.18.95.41 13335 (CLOUDFLAR...)
21 2
Apex Domain
Subdomains		 Transfer
21 leo-lang.org
leo-lang.org
www.leo-lang.org
633 KB
2 cloudflare.com
challenges.cloudflare.com — Cisco Umbrella Rank: 3443
16 KB
21 2
Domain Requested by
20 www.leo-lang.org www.leo-lang.org
2 challenges.cloudflare.com 1 redirects www.leo-lang.org
1 leo-lang.org 1 redirects
21 3
Subject Issuer Validity Valid
leo-lang.org
WE1		 2024-10-30 -
2025-01-28		 3 months crt.sh

This page contains 1 frames:

Primary Page: https://www.leo-lang.org/
Frame ID: 0CCA4C5BBD6F16640D4959A165340076
Requests: 21 HTTP requests in this frame

Screenshot
Live screenshot
Full Image

Page Title

Leo | Zero-Knowledge Programming Language

Page URL History Show full URLs

  1. https://leo-lang.org/ HTTP 308
    https://www.leo-lang.org/ Page URL

Page Statistics

21
Requests

95 %
HTTPS

50 %
IPv6

2
Domains

3
Subdomains

2
IPs

2
Countries

648 kB
Transfer

1282 kB
Size

0
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. https://leo-lang.org/ HTTP 308
    https://www.leo-lang.org/ Page URL

Redirected requests

There were HTTP redirect chains for the following requests:

Request Chain 11
  • https://challenges.cloudflare.com/turnstile/v0/api.js HTTP 302
  • https://challenges.cloudflare.com/turnstile/v0/b/22755d9a86c9/api.js

21 HTTP transactions

Resource
Path		 Size
x-fer		 Type
MIME-Type
Primary Request /
www.leo-lang.org/
Redirect Chain
  • https://leo-lang.org/
  • https://www.leo-lang.org/
37 KB
8 KB 		Document
General
Check archive.org
Download Go to
Full URL
https://www.leo-lang.org/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6812:508 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
20d0ed22a19d5d22b68668dabd97b042a63fe2823cf191f356cf1f599a47da76
Security Headers
Name Value
Strict-Transport-Security max-age=63072000

Request headers

Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36

Response headers

access-control-allow-origin
*
age
6484226
cache-control
public, max-age=0, must-revalidate
cf-cache-status
DYNAMIC
cf-ray
8dff229fcae5f639-NRT
content-disposition
inline
content-encoding
gzip
content-type
text/html; charset=utf-8
date
Sat, 09 Nov 2024 16:21:19 GMT
server
cloudflare
strict-transport-security
max-age=63072000
vary
RSC, Next-Router-State-Tree, Next-Router-Prefetch
x-matched-path
/
x-vercel-cache
HIT
x-vercel-id
hnd1::g2w4n-1731169279985-91f11befcfe0

Redirect headers

cache-control
public, max-age=0, must-revalidate
cf-cache-status
DYNAMIC
cf-ray
8dff229f5aa1f639-NRT
content-type
text/html
date
Sat, 09 Nov 2024 16:21:19 GMT
location
https://www.leo-lang.org/
refresh
0;url=https://www.leo-lang.org/
server
cloudflare
strict-transport-security
max-age=63072000
x-vercel-id
hnd1::4zfn7-1731169279931-4138d199c967
4b523089436b9cea.css
www.leo-lang.org/_next/static/css/ 		49 KB
7 KB 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://www.leo-lang.org/_next/static/css/4b523089436b9cea.css
Requested by
Host: www.leo-lang.org
URL: https://www.leo-lang.org/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6812:508 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
eeb8940601d0c694de416cecb72a34ae53ed57505f97bc19e1c6a7ad99930314
Security Headers
Name Value
Strict-Transport-Security max-age=63072000

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36
Referer
https://www.leo-lang.org/

Response headers

content-encoding
gzip
cf-cache-status
HIT
etag
W/"2379573ebb4bd59c496a5cf30150601a"
age
189698
x-matched-path
/_next/static/css/4b523089436b9cea.css
expires
Sun, 09 Nov 2025 16:21:20 GMT
date
Sat, 09 Nov 2024 16:21:20 GMT
content-type
text/css; charset=utf-8
content-disposition
inline; filename="4b523089436b9cea.css"
vary
Accept-Encoding
last-modified
Tue, 27 Aug 2024 14:05:52 GMT
strict-transport-security
max-age=63072000
cache-control
public, max-age=31536000
x-vercel-cache
HIT
cf-ray
8dff22a00b1ef639-NRT
access-control-allow-origin
*
server
cloudflare
x-vercel-id
kix1::pd9pm-1730892607651-928c547afa66
webpack-41e3ada69c830edf.js
www.leo-lang.org/_next/static/chunks/ 		4 KB
2 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://www.leo-lang.org/_next/static/chunks/webpack-41e3ada69c830edf.js
Requested by
Host: www.leo-lang.org
URL: https://www.leo-lang.org/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6812:508 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
92ffed58838599f664ef1caa0f75bc60600fbe4307151ddf26afcea5fa60a5dd
Security Headers
Name Value
Strict-Transport-Security max-age=63072000

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36
Referer
https://www.leo-lang.org/

Response headers

content-encoding
gzip
cf-cache-status
HIT
etag
W/"b19799023bfef0ee23376c15daf66c89"
age
1217740
x-matched-path
/_next/static/chunks/webpack-41e3ada69c830edf.js
expires
Sun, 09 Nov 2025 16:21:20 GMT
date
Sat, 09 Nov 2024 16:21:20 GMT
content-type
application/javascript; charset=utf-8
content-disposition
inline; filename="webpack-41e3ada69c830edf.js"
vary
Accept-Encoding
last-modified
Sat, 26 Oct 2024 14:05:40 GMT
strict-transport-security
max-age=63072000
cache-control
public, max-age=31536000
x-vercel-cache
HIT
cf-ray
8dff22a00b1ff639-NRT
access-control-allow-origin
*
server
cloudflare
x-vercel-id
hnd1::z94bk-1729951540553-4acf83945cde
fd9d1056-bb11881ef41582aa.js
www.leo-lang.org/_next/static/chunks/ 		169 KB
53 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://www.leo-lang.org/_next/static/chunks/fd9d1056-bb11881ef41582aa.js
Requested by
Host: www.leo-lang.org
URL: https://www.leo-lang.org/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6812:508 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
71ed963804cbd4b773b16a2e290fb534288140999cca4833a8ff300a9d72a9b1
Security Headers
Name Value
Strict-Transport-Security max-age=63072000

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36
Referer
https://www.leo-lang.org/

Response headers

content-encoding
gzip
cf-cache-status
HIT
etag
W/"89ef5cbeacece4bcb75bbefbaec33dc9"
age
189698
x-matched-path
/_next/static/chunks/fd9d1056-bb11881ef41582aa.js
expires
Sun, 09 Nov 2025 16:21:20 GMT
date
Sat, 09 Nov 2024 16:21:20 GMT
content-type
application/javascript; charset=utf-8
content-disposition
inline; filename="fd9d1056-bb11881ef41582aa.js"
vary
Accept-Encoding
last-modified
Tue, 05 Nov 2024 03:20:22 GMT
strict-transport-security
max-age=63072000
cache-control
public, max-age=31536000
x-vercel-cache
HIT
cf-ray
8dff22a03b4bf639-NRT
access-control-allow-origin
*
server
cloudflare
x-vercel-id
icn1::hzhq4-1730776821766-e43b29573342
23-ca51b462d2fae7ca.js
www.leo-lang.org/_next/static/chunks/ 		120 KB
31 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://www.leo-lang.org/_next/static/chunks/23-ca51b462d2fae7ca.js
Requested by
Host: www.leo-lang.org
URL: https://www.leo-lang.org/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6812:508 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
433d1cc1d2d3382200a71f771aa921cc4a3e90294e56cdeda72776a023fc013d
Security Headers
Name Value
Strict-Transport-Security max-age=63072000

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36
Referer
https://www.leo-lang.org/

Response headers

content-encoding
gzip
cf-cache-status
HIT
etag
W/"ed2d93d032bf8389079efa9418fbddfe"
age
189698
x-matched-path
/_next/static/chunks/23-ca51b462d2fae7ca.js
expires
Sun, 09 Nov 2025 16:21:20 GMT
date
Sat, 09 Nov 2024 16:21:20 GMT
content-type
application/javascript; charset=utf-8
content-disposition
inline; filename="23-ca51b462d2fae7ca.js"
vary
Accept-Encoding
last-modified
Tue, 27 Aug 2024 14:05:52 GMT
strict-transport-security
max-age=63072000
cache-control
public, max-age=31536000
x-vercel-cache
HIT
cf-ray
8dff22a03b4ef639-NRT
access-control-allow-origin
*
server
cloudflare
x-vercel-id
kix1::d8592-1730892607666-cba39c506cc7
main-app-f73cdb3bce740b12.js
www.leo-lang.org/_next/static/chunks/ 		462 B
442 B 		Script
General
Check archive.org
Download Go to
Full URL
https://www.leo-lang.org/_next/static/chunks/main-app-f73cdb3bce740b12.js
Requested by
Host: www.leo-lang.org
URL: https://www.leo-lang.org/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6812:508 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
e70d963e7f59350b16dcba9796ad8aec2001738b6756509c4ea77e2bfb0921f0
Security Headers
Name Value
Strict-Transport-Security max-age=63072000

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36
Referer
https://www.leo-lang.org/

Response headers

content-encoding
gzip
cf-cache-status
HIT
etag
W/"8eedc9e8ab2a40373eb62a03672a39d1"
age
726572
x-matched-path
/_next/static/chunks/main-app-f73cdb3bce740b12.js
expires
Sun, 09 Nov 2025 16:21:20 GMT
date
Sat, 09 Nov 2024 16:21:20 GMT
content-type
application/javascript; charset=utf-8
content-disposition
inline; filename="main-app-f73cdb3bce740b12.js"
vary
Accept-Encoding
last-modified
Fri, 01 Nov 2024 06:31:48 GMT
strict-transport-security
max-age=63072000
cache-control
public, max-age=31536000
x-vercel-cache
HIT
cf-ray
8dff22a03b4ff639-NRT
access-control-allow-origin
*
server
cloudflare
x-vercel-id
hnd1::tc47z-1730442707867-57a0f39829b2
539-cdd18d51a17e8770.js
www.leo-lang.org/_next/static/chunks/ 		155 KB
45 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://www.leo-lang.org/_next/static/chunks/539-cdd18d51a17e8770.js
Requested by
Host: www.leo-lang.org
URL: https://www.leo-lang.org/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6812:508 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
e328038d6875df5da912085dfe209d9cdd1525b55da03d1c5b7c3b4011c3fc27
Security Headers
Name Value
Strict-Transport-Security max-age=63072000

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36
Referer
https://www.leo-lang.org/

Response headers

content-encoding
gzip
cf-cache-status
HIT
etag
W/"76a2d5ff5e90e04259d212420cefcbac"
age
1217739
x-matched-path
/_next/static/chunks/539-cdd18d51a17e8770.js
expires
Sun, 09 Nov 2025 16:21:20 GMT
date
Sat, 09 Nov 2024 16:21:20 GMT
content-type
application/javascript; charset=utf-8
content-disposition
inline; filename="539-cdd18d51a17e8770.js"
vary
Accept-Encoding
last-modified
Sat, 26 Oct 2024 14:05:41 GMT
strict-transport-security
max-age=63072000
cache-control
public, max-age=31536000
x-vercel-cache
HIT
cf-ray
8dff22a03b51f639-NRT
access-control-allow-origin
*
server
cloudflare
x-vercel-id
hnd1::8x2sk-1729951540853-020d4f511aa5
599-cec16add90c419e1.js
www.leo-lang.org/_next/static/chunks/ 		105 KB
34 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://www.leo-lang.org/_next/static/chunks/599-cec16add90c419e1.js
Requested by
Host: www.leo-lang.org
URL: https://www.leo-lang.org/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6812:508 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
a4d6df6ae04b2fd0941c607744ce686835718cca374b3646e6885ae72772f04a
Security Headers
Name Value
Strict-Transport-Security max-age=63072000

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36
Referer
https://www.leo-lang.org/

Response headers

content-encoding
gzip
cf-cache-status
HIT
etag
W/"2eed9092226792d55c17539b25fe4a57"
age
142837
x-matched-path
/_next/static/chunks/599-cec16add90c419e1.js
expires
Sun, 09 Nov 2025 16:21:20 GMT
date
Sat, 09 Nov 2024 16:21:20 GMT
content-type
application/javascript; charset=utf-8
content-disposition
inline; filename="599-cec16add90c419e1.js"
vary
Accept-Encoding
last-modified
Sat, 26 Oct 2024 14:05:41 GMT
strict-transport-security
max-age=63072000
cache-control
public, max-age=31536000
x-vercel-cache
HIT
cf-ray
8dff22a03b53f639-NRT
access-control-allow-origin
*
server
cloudflare
x-vercel-id
icn1::dsqcd-1729951540834-59701653780f
173-04b8e0bb9550aa2b.js
www.leo-lang.org/_next/static/chunks/ 		13 KB
5 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://www.leo-lang.org/_next/static/chunks/173-04b8e0bb9550aa2b.js
Requested by
Host: www.leo-lang.org
URL: https://www.leo-lang.org/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6812:508 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
f2e81b0af7e1f721ca7dd6911ec3560deba490a27b26496cb4db4095d760fc29
Security Headers
Name Value
Strict-Transport-Security max-age=63072000

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36
Referer
https://www.leo-lang.org/

Response headers

content-encoding
gzip
cf-cache-status
HIT
etag
W/"3f2e2a548ea815a876096a826e5b10bf"
age
189698
x-matched-path
/_next/static/chunks/173-04b8e0bb9550aa2b.js
expires
Sun, 09 Nov 2025 16:21:20 GMT
date
Sat, 09 Nov 2024 16:21:20 GMT
content-type
application/javascript; charset=utf-8
content-disposition
inline; filename="173-04b8e0bb9550aa2b.js"
vary
Accept-Encoding
last-modified
Tue, 27 Aug 2024 14:05:52 GMT
strict-transport-security
max-age=63072000
cache-control
public, max-age=31536000
x-vercel-cache
HIT
cf-ray
8dff22a03b55f639-NRT
access-control-allow-origin
*
server
cloudflare
x-vercel-id
kix1::vcjsg-1730880312927-e5cd444acad3
290-b7b24ea6c928b5ee.js
www.leo-lang.org/_next/static/chunks/ 		10 KB
3 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://www.leo-lang.org/_next/static/chunks/290-b7b24ea6c928b5ee.js
Requested by
Host: www.leo-lang.org
URL: https://www.leo-lang.org/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6812:508 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
8d6b67eeb491a2032bcd324bf12584de6a11eea13ebf048dd91dce8f489d14bf
Security Headers
Name Value
Strict-Transport-Security max-age=63072000

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36
Referer
https://www.leo-lang.org/

Response headers

content-encoding
gzip
cf-cache-status
HIT
etag
W/"de62cf3658ca8b1ddfd6a6ed646d9638"
age
4606
x-matched-path
/_next/static/chunks/290-b7b24ea6c928b5ee.js
expires
Sun, 09 Nov 2025 16:21:20 GMT
date
Sat, 09 Nov 2024 16:21:20 GMT
content-type
application/javascript; charset=utf-8
content-disposition
inline; filename="290-b7b24ea6c928b5ee.js"
vary
Accept-Encoding
last-modified
Tue, 27 Aug 2024 09:25:48 GMT
strict-transport-security
max-age=63072000
cache-control
public, max-age=31536000
x-vercel-cache
HIT
cf-ray
8dff22a07b82f639-NRT
access-control-allow-origin
*
server
cloudflare
x-vercel-id
hnd1::g2w4n-1731164674299-62990a15f0fb
page-8fe71c8e4c68807e.js
www.leo-lang.org/_next/static/chunks/app/ 		9 KB
3 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://www.leo-lang.org/_next/static/chunks/app/page-8fe71c8e4c68807e.js
Requested by
Host: www.leo-lang.org
URL: https://www.leo-lang.org/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6812:508 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
1d2b036da68120bffc650baa9bf11d57d26ceaa6223e66ccac5e1032135c2dde
Security Headers
Name Value
Strict-Transport-Security max-age=63072000

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36
Referer
https://www.leo-lang.org/

Response headers

content-encoding
gzip
cf-cache-status
HIT
etag
W/"40a17d13aac029ed3d12e7875730ab78"
age
1217740
x-matched-path
/_next/static/chunks/app/page-8fe71c8e4c68807e.js
expires
Sun, 09 Nov 2025 16:21:20 GMT
date
Sat, 09 Nov 2024 16:21:20 GMT
content-type
application/javascript; charset=utf-8
content-disposition
inline; filename="page-8fe71c8e4c68807e.js"
vary
Accept-Encoding
last-modified
Fri, 18 Oct 2024 00:41:13 GMT
strict-transport-security
max-age=63072000
cache-control
public, max-age=31536000
x-vercel-cache
HIT
cf-ray
8dff22a07b86f639-NRT
access-control-allow-origin
*
server
cloudflare
x-vercel-id
hnd1::5dfvr-1729951540958-95f855d88bf9
layout-84db8f7a4c546885.js
www.leo-lang.org/_next/static/chunks/app/ 		16 KB
6 KB 		Script
General
Check archive.org
Download Go to
Full URL
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Full URL
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content-encoding
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Download Go to
Full URL
https://www.leo-lang.org/fonts/azeret-medium.otf
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content-encoding
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General
Check archive.org
Download Go to
Full URL
https://www.leo-lang.org/fonts/azeret-semibold.otf
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H2
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content-encoding
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Full URL
https://www.leo-lang.org/_vercel/insights/script.js
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General
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Download Go to Show image
Full URL
https://www.leo-lang.org/leo-hero.png
Protocol
H2
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https://www.leo-lang.org/icon.png?da300324520d49d0
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https://www.leo-lang.org/_vercel/insights/view
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Host: www.leo-lang.org
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H2
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cf-cache-status
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Verdicts & Comments Add Verdict or Comment

8 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| __next_f object| webpackChunk_N_E object| _N_E object| next string| vam function| va object| turnstile boolean| vai

0 Cookies

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
Strict-Transport-Security max-age=63072000

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.

challenges.cloudflare.com
leo-lang.org
www.leo-lang.org
104.18.95.41
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