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js.langchain.com Open in urlscan Pro
76.76.21.142  Public Scan

Go To Rescan Add Verdict Report
Submitted URL: http://js.langchain.com/
Effective URL: https://js.langchain.com/
Submission: On November 30 via api from US — Scanned from DE
 Behaviour Indicators
Similar DOM Content API
Verdicts

Summary

This website contacted 5 IPs in 2 countries across 4 domains to perform 51 HTTP transactions. The main IP is 76.76.21.142, located in Walnut, United States and belongs to AMAZON-02, US. The main domain is js.langchain.com. The Cisco Umbrella rank of the primary domain is 841971.
TLS certificate: Issued by R3 on October 27th 2023. Valid for: 3 months.
This is the only time js.langchain.com was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

IP Address AS Autonomous System
1 46 76.76.21.142 16509 (AMAZON-02)
1 2a00:1450:400... 15169 (GOOGLE)
1 2001:4860:480... 15169 (GOOGLE)
4 2a09:8280:1::... 40509 (FLY)
51 5
Apex Domain
Subdomains		 Transfer
46 langchain.com
js.langchain.com — Cisco Umbrella Rank: 841971
866 KB
4 mendable.ai
api.mendable.ai — Cisco Umbrella Rank: 303108
764 B
1 google-analytics.com
region1.google-analytics.com — Cisco Umbrella Rank: 2189
255 B
1 googletagmanager.com
www.googletagmanager.com — Cisco Umbrella Rank: 36
91 KB
51 4
Domain Requested by
46 js.langchain.com 1 redirects js.langchain.com
4 api.mendable.ai js.langchain.com
1 region1.google-analytics.com www.googletagmanager.com
1 www.googletagmanager.com js.langchain.com
51 4
Subject Issuer Validity Valid
js.langchain.com
R3		 2023-10-27 -
2024-01-25		 3 months crt.sh
*.google-analytics.com
GTS CA 1C3		 2023-10-23 -
2024-01-15		 3 months crt.sh
api.mendable.ai
R3		 2023-10-08 -
2024-01-06		 3 months crt.sh

This page contains 1 frames:

Primary Page: https://js.langchain.com/
Frame ID: D388AF4CFE35CC2C7B5C1F0979C05315
Requests: 52 HTTP requests in this frame

Screenshot
Live screenshot
Full Image

Page Title

Introduction | 🦜️🔗 Langchain

Page URL History Show full URLs

  1. http://js.langchain.com/ HTTP 308
    https://js.langchain.com/ Page URL

Detected technologies

Overall confidence: 100%
Detected patterns
Overall confidence: 100%
Detected patterns
  • googletagmanager\.com/gtag/js

Page Statistics

51
Requests

100 %
HTTPS

75 %
IPv6

4
Domains

4
Subdomains

5
IPs

2
Countries

958 kB
Transfer

2832 kB
Size

2
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://js.langchain.com/ HTTP 308
    https://js.langchain.com/ Page URL

Redirected requests

There were HTTP redirect chains for the following requests:

51 HTTP transactions

Resource
Path		 Size
x-fer		 Type
MIME-Type
Primary Request /
js.langchain.com/
Redirect Chain
  • http://js.langchain.com/
  • https://js.langchain.com/
3 KB
2 KB 		Document
General
Check archive.org
Download Go to
Full URL
https://js.langchain.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
76.76.21.142 Walnut, United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
Vercel /
Resource Hash
0bb3d56d13c322a5e3335c4c3dce9a7e277da7ea6fb00def659dac0cffc61127
Security Headers
Name Value
Strict-Transport-Security max-age=63072000

Request headers

Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.6045.199 Safari/537.36
accept-language
de-DE,de;q=0.9

Response headers

access-control-allow-origin
*
age
140401
cache-control
public, max-age=0, must-revalidate
content-disposition
inline
content-encoding
br
content-type
text/html; charset=utf-8
date
Thu, 30 Nov 2023 15:18:36 GMT
etag
W/"0b6fffb63c627bd44ba1ff54a30e15a9"
server
Vercel
strict-transport-security
max-age=63072000
x-vercel-cache
HIT
x-vercel-id
fra1::89mt5-1701357516343-8aab36f3ba04

Redirect headers

Content-Type
text/plain
Location
https://js.langchain.com/
Refresh
0;url=https://js.langchain.com/
server
Vercel
google_analytics.js
js.langchain.com/js/ 		143 B
285 B 		Script
General
Check archive.org
Download Go to
Full URL
https://js.langchain.com/js/google_analytics.js
Requested by
Host: js.langchain.com
URL: https://js.langchain.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
76.76.21.142 Walnut, United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
Vercel /
Resource Hash
8690f5c45603314a160f797f075d60f0962f3ae94780a37e62b37544f5219bda
Security Headers
Name Value
Strict-Transport-Security max-age=63072000

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://js.langchain.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.6045.199 Safari/537.36

Response headers

date
Thu, 30 Nov 2023 15:18:36 GMT
strict-transport-security
max-age=63072000
server
Vercel
x-vercel-id
fra1::dxqpw-1701357516362-059125e589b9
age
140449
etag
"2047973454b478e67db9fcdfa75d1f8c"
x-vercel-cache
HIT
content-type
application/javascript; charset=utf-8
access-control-allow-origin
*
cache-control
public, max-age=0, must-revalidate
content-disposition
inline; filename="google_analytics.js"
accept-ranges
bytes
content-length
143
js
www.googletagmanager.com/gtag/ 		274 KB
91 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://www.googletagmanager.com/gtag/js?id=G-TVSL7JBE9Y
Requested by
Host: js.langchain.com
URL: https://js.langchain.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:808::2008 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
Google Tag Manager /
Resource Hash
2087e1b86a27e6d09ec98c003974c748365d3f9537e4057e1ba529683d629834
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains
X-Xss-Protection 0

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://js.langchain.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.6045.199 Safari/537.36

Response headers

date
Thu, 30 Nov 2023 15:18:36 GMT
content-encoding
br
strict-transport-security
max-age=31536000; includeSubDomains
server
Google Tag Manager
vary
Accept-Encoding
content-type
application/javascript; charset=UTF-8
access-control-allow-origin
*
cache-control
private, max-age=900
access-control-allow-credentials
true
cross-origin-resource-policy
cross-origin
access-control-allow-headers
Cache-Control
content-length
92826
x-xss-protection
0
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
expires
Thu, 30 Nov 2023 15:18:36 GMT
styles.76b1a24b.css
js.langchain.com/assets/css/ 		71 KB
17 KB 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://js.langchain.com/assets/css/styles.76b1a24b.css
Requested by
Host: js.langchain.com
URL: https://js.langchain.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
76.76.21.142 Walnut, United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
Vercel /
Resource Hash
c6631271191934e9e844b495474b8ff8948d528c3e71f99c5f078b0b821d30a3
Security Headers
Name Value
Strict-Transport-Security max-age=63072000

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://js.langchain.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.6045.199 Safari/537.36

Response headers

date
Thu, 30 Nov 2023 15:18:36 GMT
content-encoding
br
strict-transport-security
max-age=63072000
server
Vercel
x-vercel-id
fra1::lfzwn-1701357516362-950ae3dfd6cf
age
140450
etag
W/"46751cff9390d088284b009637358067"
x-vercel-cache
HIT
content-type
text/css; charset=utf-8
access-control-allow-origin
*
cache-control
public, max-age=0, must-revalidate
content-disposition
inline; filename="styles.76b1a24b.css"
runtime~main.736058b8.js
js.langchain.com/assets/js/ 		23 KB
11 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://js.langchain.com/assets/js/runtime~main.736058b8.js
Requested by
Host: js.langchain.com
URL: https://js.langchain.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
76.76.21.142 Walnut, United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
Vercel /
Resource Hash
75c21e795399777372f73dd2352cf58367b54f2c3175a2b5a98516673d4f4d8c
Security Headers
Name Value
Strict-Transport-Security max-age=63072000

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://js.langchain.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.6045.199 Safari/537.36

Response headers

date
Thu, 30 Nov 2023 15:18:36 GMT
content-encoding
br
strict-transport-security
max-age=63072000
server
Vercel
x-vercel-id
fra1::v5nhq-1701357516362-25dc29f0fdfc
age
132264
etag
W/"7930b7a630f2c40b5466358cf8173113"
x-vercel-cache
HIT
content-type
application/javascript; charset=utf-8
access-control-allow-origin
*
cache-control
public, max-age=0, must-revalidate
content-disposition
inline; filename="runtime~main.736058b8.js"
main.ac7c954e.js
js.langchain.com/assets/js/ 		1 MB
326 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://js.langchain.com/assets/js/main.ac7c954e.js
Requested by
Host: js.langchain.com
URL: https://js.langchain.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
76.76.21.142 Walnut, United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
Vercel /
Resource Hash
2b07ab0ceb7b16de365cf16a342208c95fe64718b9c727ba7bec602b0aec187d
Security Headers
Name Value
Strict-Transport-Security max-age=63072000

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://js.langchain.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.6045.199 Safari/537.36

Response headers

date
Thu, 30 Nov 2023 15:18:36 GMT
content-encoding
br
strict-transport-security
max-age=63072000
server
Vercel
x-vercel-id
fra1::89mt5-1701357516362-b84d876c0b6b
age
140450
etag
W/"d4cbb80b2f8aba00b8f036d2e973240b"
x-vercel-cache
HIT
content-type
application/javascript; charset=utf-8
access-control-allow-origin
*
cache-control
public, max-age=0, must-revalidate
content-disposition
inline; filename="main.ac7c954e.js"
c4f5d8e4.fadf1ff8.js
js.langchain.com/assets/js/ 		240 B
377 B 		Script
General
Check archive.org
Download Go to
Full URL
https://js.langchain.com/assets/js/c4f5d8e4.fadf1ff8.js
Requested by
Host: js.langchain.com
URL: https://js.langchain.com/assets/js/runtime~main.736058b8.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
76.76.21.142 Walnut, United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
Vercel /
Resource Hash
09ee9a8b516773c99cc793f486f722ab5c9825364b51f98d953adda2e90a5d8a
Security Headers
Name Value
Strict-Transport-Security max-age=63072000

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://js.langchain.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.6045.199 Safari/537.36

Response headers

date
Thu, 30 Nov 2023 15:18:36 GMT
strict-transport-security
max-age=63072000
server
Vercel
x-vercel-id
fra1::j2tkl-1701357516574-7dff3dc14bc3
age
115441
etag
"82034b6ef7c5294572a3b1596627c5ec"
x-vercel-cache
HIT
content-type
application/javascript; charset=utf-8
access-control-allow-origin
*
cache-control
public, max-age=0, must-revalidate
content-disposition
inline; filename="c4f5d8e4.fadf1ff8.js"
accept-ranges
bytes
content-length
240
bdf9d1a2.dab5cbac.js
js.langchain.com/assets/js/ 		183 B
319 B 		Script
General
Check archive.org
Download Go to
Full URL
https://js.langchain.com/assets/js/bdf9d1a2.dab5cbac.js
Requested by
Host: js.langchain.com
URL: https://js.langchain.com/assets/js/runtime~main.736058b8.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
76.76.21.142 Walnut, United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
Vercel /
Resource Hash
ff793a04fa2e0c83b902ed50fe3b2c342ba82ce70e3305a5c17e3e93f1a4d9e3
Security Headers
Name Value
Strict-Transport-Security max-age=63072000

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://js.langchain.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.6045.199 Safari/537.36

Response headers

date
Thu, 30 Nov 2023 15:18:36 GMT
strict-transport-security
max-age=63072000
server
Vercel
x-vercel-id
fra1::m7x7m-1701357516574-489b52bf0fe8
age
140281
etag
"abda3ad19902c011fb2295e81199c57e"
x-vercel-cache
HIT
content-type
application/javascript; charset=utf-8
access-control-allow-origin
*
cache-control
public, max-age=0, must-revalidate
content-disposition
inline; filename="bdf9d1a2.dab5cbac.js"
accept-ranges
bytes
content-length
183
1be78505.35b4e949.js
js.langchain.com/assets/js/ 		15 KB
5 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://js.langchain.com/assets/js/1be78505.35b4e949.js
Requested by
Host: js.langchain.com
URL: https://js.langchain.com/assets/js/runtime~main.736058b8.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
76.76.21.142 Walnut, United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
Vercel /
Resource Hash
54440a430b2b625116a9e6bd2ebb01b1802493518ffbd56e29d668c599cbf9af
Security Headers
Name Value
Strict-Transport-Security max-age=63072000

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://js.langchain.com/docs/get_started/introduction
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.6045.199 Safari/537.36

Response headers

date
Thu, 30 Nov 2023 15:18:36 GMT
content-encoding
br
strict-transport-security
max-age=63072000
server
Vercel
x-vercel-id
fra1::h46l4-1701357516614-5ea74d910a21
age
140570
etag
W/"18d21284bce72bf4f74db558ac2de478"
x-vercel-cache
HIT
content-type
application/javascript; charset=utf-8
access-control-allow-origin
*
cache-control
public, max-age=0, must-revalidate
content-disposition
inline; filename="1be78505.35b4e949.js"
26aae49f.9a37bd66.js
js.langchain.com/assets/js/ 		182 B
318 B 		Script
General
Check archive.org
Download Go to
Full URL
https://js.langchain.com/assets/js/26aae49f.9a37bd66.js
Requested by
Host: js.langchain.com
URL: https://js.langchain.com/assets/js/runtime~main.736058b8.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
76.76.21.142 Walnut, United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
Vercel /
Resource Hash
8bd9d6f7318fbd7000cf7dc72e9c46ff4952dac18baeca9b53c218964d663b03
Security Headers
Name Value
Strict-Transport-Security max-age=63072000

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://js.langchain.com/docs/get_started/introduction
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.6045.199 Safari/537.36

Response headers

date
Thu, 30 Nov 2023 15:18:36 GMT
strict-transport-security
max-age=63072000
server
Vercel
x-vercel-id
fra1::j2tkl-1701357516615-05060478116e
age
134384
etag
"dac1f7a76ebd4125ce8e7fe77af39703"
x-vercel-cache
HIT
content-type
application/javascript; charset=utf-8
access-control-allow-origin
*
cache-control
public, max-age=0, must-revalidate
content-disposition
inline; filename="26aae49f.9a37bd66.js"
accept-ranges
bytes
content-length
182
935f2afb.64db9163.js
js.langchain.com/assets/js/ 		174 KB
32 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://js.langchain.com/assets/js/935f2afb.64db9163.js
Requested by
Host: js.langchain.com
URL: https://js.langchain.com/assets/js/runtime~main.736058b8.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
76.76.21.142 Walnut, United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
Vercel /
Resource Hash
99e40cd0846325c0692d51b6c914a56a34bec3bef60b085f3c81779cedb54ee5
Security Headers
Name Value
Strict-Transport-Security max-age=63072000

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://js.langchain.com/docs/get_started/introduction
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.6045.199 Safari/537.36

Response headers

date
Thu, 30 Nov 2023 15:18:36 GMT
content-encoding
br
strict-transport-security
max-age=63072000
server
Vercel
x-vercel-id
fra1::t4gn4-1701357516615-059b43233456
age
140570
etag
W/"72d6a5fae7eb117b7a3dedc6b4f025b1"
x-vercel-cache
HIT
content-type
application/javascript; charset=utf-8
access-control-allow-origin
*
cache-control
public, max-age=0, must-revalidate
content-disposition
inline; filename="935f2afb.64db9163.js"
common.528a40cc.js
js.langchain.com/assets/js/ 		22 KB
7 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://js.langchain.com/assets/js/common.528a40cc.js
Requested by
Host: js.langchain.com
URL: https://js.langchain.com/assets/js/runtime~main.736058b8.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
76.76.21.142 Walnut, United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
Vercel /
Resource Hash
406262353e7643729b6fb2971e8d47ca2e10b0faaceacf45410418b6ceaf7970
Security Headers
Name Value
Strict-Transport-Security max-age=63072000

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://js.langchain.com/docs/get_started/introduction
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.6045.199 Safari/537.36

Response headers

date
Thu, 30 Nov 2023 15:18:36 GMT
content-encoding
br
strict-transport-security
max-age=63072000
server
Vercel
x-vercel-id
fra1::v5nhq-1701357516618-6af1796772b9
age
137651
etag
W/"ee0a0e0b955043f38598907dd8ed980b"
x-vercel-cache
HIT
content-type
application/javascript; charset=utf-8
access-control-allow-origin
*
cache-control
public, max-age=0, must-revalidate
content-disposition
inline; filename="common.528a40cc.js"
3738.46a7d3a5.js
js.langchain.com/assets/js/ 		10 KB
3 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://js.langchain.com/assets/js/3738.46a7d3a5.js
Requested by
Host: js.langchain.com
URL: https://js.langchain.com/assets/js/runtime~main.736058b8.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
76.76.21.142 Walnut, United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
Vercel /
Resource Hash
994ef77b462c335a6284e87e3651b8efae7948044cc1356e36039051bce5b2e2
Security Headers
Name Value
Strict-Transport-Security max-age=63072000

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://js.langchain.com/docs/get_started/introduction
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.6045.199 Safari/537.36

Response headers

date
Thu, 30 Nov 2023 15:18:36 GMT
content-encoding
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Verdicts & Comments Add Verdict or Comment

13 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 function| maybeInsertBanner function| insertBanner boolean| __DOCUSAURUS_INSERT_BASEURL_BANNER function| gtag object| dataLayer object| webpackChunkcore_docs number| __styled-components-init__ object| docusaurus object| google_tag_manager object| google_tag_data function| onYouTubeIframeAPIReady object| gaGlobal

2 Cookies

Domain/Path Name / Value
.langchain.com/ Name: _ga
Value: GA1.1.537191320.1701357517
.langchain.com/ Name: _ga_TVSL7JBE9Y
Value: GS1.1.1701357516.1.0.1701357516.0.0.0

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.

api.mendable.ai
js.langchain.com
region1.google-analytics.com
www.googletagmanager.com
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2a00:1450:4001:808::2008
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