www.opnbook.com Open in urlscan Pro
35.152.119.144 Public Scan

Go To Rescan
Add Verdict Report

Submitted URL:
https://opnbook.com/
Effective URL:
https://www.opnbook.com/
Submission: On December 23 via api (December 23rd 2024, 4:37:22 pm UTC) from US — Scanned from DE

Summary HTTP 29 Redirects Links 6 Behaviour Indicators

Summary

This website contacted 11 IPs in 4 countries across 9 domains to perform 29 HTTP transactions. The main IP is 35.152.119.144, located in Milan, Italy and belongs to AMAZON-02, US. The main domain is www.opnbook.com.
TLS certificate: Issued by R11 on November 1st 2024. Valid for: 3 months.

This is the only time www.opnbook.com was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

	IP Address	AS Autonomous System
1 1	75.2.70.75 75.2.70.75	16509 (AMAZON-02) (AMAZON-02)
1	35.152.119.144 35.152.119.144	16509 (AMAZON-02) (AMAZON-02)
17	104.18.161.117 104.18.161.117	13335 (CLOUDFLAR...) (CLOUDFLARENET)
1	2a00:1450:400... 2a00:1450:4001:811::200a	15169 (GOOGLE) (GOOGLE)
1	52.222.232.144 52.222.232.144	16509 (AMAZON-02) (AMAZON-02)
1	2a04:4e42:200... 2a04:4e42:200::485	54113 (FASTLY) (FASTLY)
1	2a00:1450:400... 2a00:1450:4001:813::200a	15169 (GOOGLE) (GOOGLE)
1	2600:9000:272... 2600:9000:2724:800:c:7d55:b3c0:93a1	16509 (AMAZON-02) (AMAZON-02)
2	2a02:26f0:310... 2a02:26f0:3100::1735:2823	20940 (AKAMAI-AS...) (AKAMAI-ASN1 Akamai International B.V.)
1	142.250.186.35 142.250.186.35	15169 (GOOGLE) (GOOGLE)
1 3	2620:1ec:21::14 2620:1ec:21::14	8068 (MICROSOFT...) (MICROSOFT-CORP-MSN-AS-BLOCK)
1	13.107.42.14 13.107.42.14	8068 (MICROSOFT...) (MICROSOFT-CORP-MSN-AS-BLOCK)
29	11

1 75.2.70.75 (United States) 1 redirects

ASN16509 (AMAZON-02, US)
PTR: aacb0a264e514dd48.awsglobalaccelerator.com

opnbook.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

1 35.152.119.144 (Milan, Italy)

ASN16509 (AMAZON-02, US)
PTR: ec2-35-152-119-144.eu-south-1.compute.amazonaws.com

www.opnbook.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

17 104.18.161.117 (None, )

ASN13335 (CLOUDFLARENET, US)

cdn.prod.website-files.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

1 2a00:1450:4001:811::200a (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)

ajax.googleapis.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

1 52.222.232.144 (United States)

ASN16509 (AMAZON-02, US)
PTR: server-52-222-232-144.fra56.r.cloudfront.net

d3e54v103j8qbb.cloudfront.net	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

1 2a04:4e42:200::485 (United States)

ASN54113 (FASTLY, US)

cdn.jsdelivr.net	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

1 2a00:1450:4001:813::200a (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)

fonts.googleapis.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

1 2600:9000:2724:800:c:7d55:b3c0:93a1 (United States)

ASN16509 (AMAZON-02, US)

cdn.matomo.cloud	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

2 2a02:26f0:3100::1735:2823 (Frankfurt am Main, Germany)

ASN20940 (AKAMAI-ASN1 Akamai International B.V., NL)

snap.licdn.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

1 142.250.186.35 (United States)

ASN15169 (GOOGLE, US)
PTR: fra24s04-in-f3.1e100.net

fonts.gstatic.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

3 2620:1ec:21::14 (United States) 1 redirects

ASN8068 (MICROSOFT-CORP-MSN-AS-BLOCK, US)

px.ads.linkedin.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

1 13.107.42.14 (United States)

ASN8068 (MICROSOFT-CORP-MSN-AS-BLOCK, US)

px4.ads.linkedin.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

	Apex Domain Subdomains	Transfer
17	website-files.com cdn.prod.website-files.com — Cisco Umbrella Rank: 6218	708 KB
4	linkedin.com 1 redirects px.ads.linkedin.com — Cisco Umbrella Rank: 333 px4.ads.linkedin.com — Cisco Umbrella Rank: 7032	2 KB
2	licdn.com snap.licdn.com — Cisco Umbrella Rank: 831	22 KB
2	googleapis.com ajax.googleapis.com — Cisco Umbrella Rank: 415 fonts.googleapis.com — Cisco Umbrella Rank: 29	7 KB
2	opnbook.com 1 redirects opnbook.com www.opnbook.com	9 KB
1	gstatic.com fonts.gstatic.com	47 KB
1	matomo.cloud cdn.matomo.cloud — Cisco Umbrella Rank: 17022
1	jsdelivr.net cdn.jsdelivr.net — Cisco Umbrella Rank: 318	8 KB
1	cloudfront.net d3e54v103j8qbb.cloudfront.net	31 KB
29	9

	Domain	Requested by
17	cdn.prod.website-files.com	www.opnbook.com cdn.prod.website-files.com
3	px.ads.linkedin.com	1 redirects snap.licdn.com
2	snap.licdn.com	www.opnbook.com snap.licdn.com
1	px4.ads.linkedin.com	www.opnbook.com
1	fonts.gstatic.com	fonts.googleapis.com
1	cdn.matomo.cloud	www.opnbook.com
1	fonts.googleapis.com	ajax.googleapis.com
1	cdn.jsdelivr.net	www.opnbook.com
1	d3e54v103j8qbb.cloudfront.net	www.opnbook.com
1	ajax.googleapis.com	www.opnbook.com
1	www.opnbook.com
1	opnbook.com	1 redirects
29	12

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

Domain
www.linkedin.com
www.youtube.com

Subject Issuer	Validity	Valid
www.opnbook.com R11	`2024-11-01` - `2025-01-30`	3 months	crt.sh
prod.website-files.com WE1	`2024-12-19` - `2025-03-19`	3 months	crt.sh
upload.video.google.com WR2	`2024-12-02` - `2025-02-24`	3 months	crt.sh
*.cloudfront.net Amazon RSA 2048 M01	`2024-07-30` - `2025-07-03`	a year	crt.sh
jsdelivr.net GlobalSign Atlas R3 DV TLS CA 2024 Q3	`2024-07-30` - `2025-08-31`	a year	crt.sh
cdn.matomo.cloud Amazon RSA 2048 M02	`2024-09-25` - `2025-10-23`	a year	crt.sh
snap.licdn.com DigiCert SHA2 Secure Server CA	`2024-12-02` - `2025-12-01`	a year	crt.sh
*.gstatic.com WR2	`2024-12-02` - `2025-02-24`	3 months	crt.sh
www.linkedin.com DigiCert SHA2 Secure Server CA	`2024-10-14` - `2025-04-14`	6 months	crt.sh

This page contains 1 frames:

Primary Page: https://www.opnbook.com/
Frame ID: 104D8F4C571508A9580002DBFC974466
Requests: 29 HTTP requests in this frame

Screenshot
Live screenshot

Full Image

Page Title

Opnbook | Measuring AI Investments, Unlocking Massive Returns

Page URL History Show full URLs

https://opnbook.com/ HTTP 301
https://www.opnbook.com/ Page URL

Detected technologies

Google Font API (Font Scripts) Expand

Overall confidence: 100%
Detected patterns

<link[^>]* href=[^>]+fonts\.(?:googleapis|google)\.com
googleapis\.com/.+webfont

Linkedin Insight Tag (Analytics) Expand

Overall confidence: 100%
Detected patterns

snap\.licdn\.com/li\.lms-analytics/insight\.min\.js

jQuery (JavaScript Libraries) Expand

Overall confidence: 100%
Detected patterns

jquery[.-]([\d.]*\d)[^/]*\.js
jquery.*\.js(?:\?ver(?:sion)?=([\d.]+))?

jsDelivr (CDN) Expand

Overall confidence: 100%
Detected patterns

//cdn\.jsdelivr\.net/

Page Statistics

29
Requests

97 %
HTTPS

50 %
IPv6

9
Domains

12
Subdomains

11
IPs

4
Countries

834 kB
Transfer

1214 kB
Size

3
Cookies

6 Outgoing links

These are links going to different origins than the main page.

URL: https://www.linkedin.com/in/toddgregorysmith

Search URL Search Domain Scan URL

URL: https://www.linkedin.com/in/justingelinas

Search URL Search Domain Scan URL

URL: https://www.linkedin.com/in/michalashby

Search URL Search Domain Scan URL

URL: https://www.linkedin.com/in/danielsdesk

Search URL Search Domain Scan URL

URL: https://www.youtube.com/@opnbook-inc

Search URL Search Domain Scan URL

URL: https://www.linkedin.com/company/opnbook-inc

Search URL Search Domain Scan URL

Page URL History

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

https://opnbook.com/ HTTP 301
https://www.opnbook.com/ Page URL

Redirected requests

There were HTTP redirect chains for the following requests:

Request Chain 25

https://px.ads.linkedin.com/collect?v=2&fmt=js&pid=6806900&time=1734971838694&url=https%3A%2F%2Fwww.opnbook.com%2F HTTP 302
https://px4.ads.linkedin.com/collect?v=2&fmt=js&pid=6806900&time=1734971838694&url=https%3A%2F%2Fwww.opnbook.com%2F&e_ipv6=AQJeA0zTRy3MiwAAAZP0YVGIpeM6n8EWDHCaabWbOhhtGs29lujDQ-r4jJO_-mJo1w

29 HTTP transactions
0 data transactions

Method
Protocol Status Resource
Path Size
x-fer Time
Latency Type
MIME-Type IP
Location

GET
H2

200

Primary Request / Show response
www.opnbook.com/
Redirect Chain

https://opnbook.com/
https://www.opnbook.com/

32 KB
9 KB

184ms
72ms

Document
text/html

35.152.119.144
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL

https://www.opnbook.com/

Protocol

Security

TLS 1.3, , AES_256_GCM

Server

35.152.119.144 Milan, Italy, ASN16509 (AMAZON-02, US),

Reverse DNS

ec2-35-152-119-144.eu-south-1.compute.amazonaws.com

Software

Resource Hash

c3480ab95912df104b97fd578b066168b6482c7b43c3ca20a0ba66e88b134e0a

Security Headers

Name	Value
Strict-Transport-Security	max-age=31536000

Request headers

Upgrade-Insecure-Requests: 1
User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36

Response headers

age: 326918
alt-svc: h3=":443"; ma=86400
cf-cache-status: HIT
cf-ray: 8f69c684680459c5-MXP
content-encoding: gzip
content-type: text/html
date: Mon, 23 Dec 2024 16:37:18 GMT
last-modified: Thu, 19 Dec 2024 19:09:47 GMT
strict-transport-security: max-age=31536000
surrogate-control: max-age=2147483647
surrogate-key: www.opnbook.com 67196f70af086a4dd3755a7a pageId:67196f70af086a4dd3755a80
vary: Accept-Encoding
x-cluster-name: eu-south-1-prod-hosting-red
x-lambda-id: b97634a8-0a09-4307-a93d-e3eea35dd2a7

Redirect headers

content-length: 166
content-type: text/html
date: Mon, 23 Dec 2024 16:37:18 GMT
location: https://www.opnbook.com/
strict-transport-security: max-age=31536000
x-cluster-name: eu-south-1-prod-hosting-red

GET
H3 200 opnbook-homepage.webflow.0f9eb1823.css
cdn.prod.website-files.com/67196f70af086a4dd3755a7a/css/ 138 KB
20 KB 236ms
179ms Stylesheet
text/css 104.18.161.117
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

Full URL: https://cdn.prod.website-files.com/67196f70af086a4dd3755a7a/css/opnbook-homepage.webflow.0f9eb1823.css
Requested by: Host: www.opnbook.com
URL: https://www.opnbook.com/
Protocol: H3
Security: QUIC, , AES_128_GCM
Server: 104.18.161.117 -, , ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software: cloudflare /
Resource Hash: e26e4fbefe23d81edf5b44ee4f154672e11d6c19a0f59e01d8a96a9dddbd80ba

Request headers

User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36
Referer: https://www.opnbook.com/

Response headers

content-encoding: gzip
cf-cache-status: HIT
etag: "ee151a300540a7d3d3ff64e30462002d"
x-amz-version-id: ahdnDOfptHawzyOJSMXjY8Vqs8uiaRnu
alt-svc: h3=":443"; ma=86400
server-timing: cfExtPri
date: Mon, 23 Dec 2024 16:37:18 GMT
content-type: text/css
last-modified: Thu, 19 Dec 2024 18:50:31 GMT
vary: Accept-Encoding
priority: u=0,i=?0
x-amz-id-2: h/XiuC0HH6BlyM4/5RphdHkC590mnadDZRmnWZF0rMosmic9iIiPA2xZhe3raSglDaTydbLBP/g=
cache-control: public, max-age=31536000, immutable
x-amz-request-id: V7E98KBYBM0GWSTD
cf-ray: 8f69c6853e5ddca5-FRA
accept-ranges: bytes
access-control-allow-origin: *
content-length: 20297
server: cloudflare
x-amz-server-side-encryption: AES256

GET
H2 200 webfont.js Show response
ajax.googleapis.com/ajax/libs/webfont/1.6.26/ 13 KB
6 KB 67ms
10ms Script
text/javascript 2a00:1450:4001:811::200a
GOOGLE

General

Check archive.org

Show headers Download Go to

Full URL

https://ajax.googleapis.com/ajax/libs/webfont/1.6.26/webfont.js

Requested by

Host: www.opnbook.com
URL: https://www.opnbook.com/

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2a00:1450:4001:811::200a Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),

Reverse DNS

Software

sffe /

Resource Hash

81016ac6be850b72df5d4faa0c3cec8e2c1b0ba0045712144a6766adfad40bee

Security Headers

Name	Value
X-Content-Type-Options	nosniff
X-Xss-Protection	0

Request headers

User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36
Referer: https://www.opnbook.com/

Response headers

content-encoding: gzip
age: 259281
report-to: {"group":"hosted-libraries-pushers","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/hosted-libraries-pushers"}]}
x-content-type-options: nosniff
expires: Sat, 20 Dec 2025 16:35:57 GMT
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
date: Fri, 20 Dec 2024 16:35:57 GMT
last-modified: Tue, 03 Mar 2020 19:15:00 GMT
content-type: text/javascript; charset=UTF-8
vary: Accept-Encoding
cache-control: public, max-age=31536000, stale-while-revalidate=2592000
timing-allow-origin: *
cross-origin-opener-policy: same-origin; report-to="hosted-libraries-pushers"
cross-origin-resource-policy: cross-origin
content-security-policy-report-only: require-trusted-types-for 'script'; report-uri https://csp.withgoogle.com/csp/hosted-libraries-pushers
accept-ranges: bytes
access-control-allow-origin: *
content-length: 5437
x-xss-protection: 0
server: sffe

GET
H2 200 jquery-3.5.1.min.dc5e7f18c8.js Show response
d3e54v103j8qbb.cloudfront.net/js/ 87 KB
31 KB 72ms
10ms Script
application/javascript 52.222.232.144
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL: https://d3e54v103j8qbb.cloudfront.net/js/jquery-3.5.1.min.dc5e7f18c8.js?site=67196f70af086a4dd3755a7a
Requested by: Host: www.opnbook.com
URL: https://www.opnbook.com/
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 52.222.232.144 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS: server-52-222-232-144.fra56.r.cloudfront.net
Software: AmazonS3 /
Resource Hash: f7f6a5894f1d19ddad6fa392b2ece2c5e578cbf7da4ea805b6885eb6985b6e3d

Request headers

User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36
Origin: https://www.opnbook.com
Referer: https://www.opnbook.com/

Response headers

access-control-max-age: 3000
content-encoding: gzip
etag: W/"dc5e7f18c8d36ac1d3d4753a87c98d0a"
age: 34949
access-control-allow-methods: GET
x-cache: Hit from cloudfront
x-amz-cf-id: x2eowRpCpIHCJFNU7NzhWRRlubjk9mIVBjFWBgVnWeJwH5PcPfPbZQ==
date: Mon, 23 Dec 2024 06:54:49 GMT
content-type: application/javascript
last-modified: Mon, 20 Jul 2020 17:53:02 GMT
vary: accept-encoding
cache-control: max-age=84600, must-revalidate
via: 1.1 d9bcd0a29e17b9290f8c9f1617335954.cloudfront.net (CloudFront)
access-control-allow-origin: *
x-amz-cf-pop: FRA56-P4
server: AmazonS3

GET
H3 200 webflow.a7ccef78252ed568aa3f70dc86f87ccf.js Show response
cdn.prod.website-files.com/67196f70af086a4dd3755a7a/js/ 175 KB
60 KB 122ms
65ms Script
text/javascript 104.18.161.117
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

Full URL: https://cdn.prod.website-files.com/67196f70af086a4dd3755a7a/js/webflow.a7ccef78252ed568aa3f70dc86f87ccf.js
Requested by: Host: www.opnbook.com
URL: https://www.opnbook.com/
Protocol: H3
Security: QUIC, , AES_128_GCM
Server: 104.18.161.117 -, , ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software: cloudflare /
Resource Hash: 8e6b805366a8c1f542ff45a5bad55133141f7db7193170ae5ce8ef982c5fc14b

Request headers

User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36
Referer: https://www.opnbook.com/

Response headers

content-encoding: br
cf-cache-status: HIT
etag: W/"069d9c2a67f55e4b9c54ea88b8ac6f7b"
x-amz-version-id: bnJeB8LH6yKjOPyNMfKvZJQFbIOhOB7A
age: 50516
alt-svc: h3=":443"; ma=86400
server-timing: cfExtPri
date: Mon, 23 Dec 2024 16:37:18 GMT
content-type: text/javascript
last-modified: Wed, 18 Dec 2024 19:50:12 GMT
vary: Accept-Encoding
priority: u=1,i=?0
x-amz-id-2: Esd3myThSmKmKyFYsJQPi/a1Vm1gL7KmP1MLp9GAVvKUyewyV9N+gz5Ox036cw/R7GWNdtOQRWQ=
cache-control: public, max-age=31536000, immutable
x-amz-request-id: RZYB2E2JT5A31AJC
cf-ray: 8f69c6853e63dca5-FRA
access-control-allow-origin: *
server: cloudflare
x-amz-server-side-encryption: AES256

GET
H2 200 jquery.validate.min.js Show response
cdn.jsdelivr.net/jquery.validation/1.15.0/ 22 KB
8 KB 65ms
11ms Script
application/javascript 2a04:4e42:200::485
FASTLY

General

Check archive.org

Show headers Download Go to

Full URL

https://cdn.jsdelivr.net/jquery.validation/1.15.0/jquery.validate.min.js

Requested by

Host: www.opnbook.com
URL: https://www.opnbook.com/

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2a04:4e42:200::485 , United States, ASN54113 (FASTLY, US),

Reverse DNS

Software

Resource Hash

aa1d80cdf0990e97a21069ab16c048ef90a35df1165b87d19accabd7c4edc860

Security Headers

Name	Value
Strict-Transport-Security	max-age=31536000; includeSubDomains; preload
X-Content-Type-Options	nosniff

Request headers

User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36
Referer: https://www.opnbook.com/

Response headers

access-control-expose-headers: *
content-encoding: br
etag: W/"58a0-xaL/AT+jV8HSplcbXY5ljmcAgOo"
age: 1099652
x-content-type-options: nosniff
alt-svc: h3=":443";ma=86400,h3-29=":443";ma=86400,h3-27=":443";ma=86400
x-cache: HIT
date: Mon, 23 Dec 2024 16:37:18 GMT
content-type: application/javascript; charset=utf-8
x-served-by: cache-fra-etou8220089-FRA
vary: Accept-Encoding
strict-transport-security: max-age=31536000; includeSubDomains; preload
cache-control: public, max-age=31536000, s-maxage=31536000, immutable
timing-allow-origin: *
cross-origin-resource-policy: cross-origin
accept-ranges: bytes
access-control-allow-origin: *
content-length: 7875

GET
H2 200 css
fonts.googleapis.com/ 5 KB
1 KB 55ms
23ms Stylesheet
text/css 2a00:1450:4001:813::200a
GOOGLE

General

Check archive.org

Show headers Download Go to

Full URL

https://fonts.googleapis.com/css?family=Inter:regular,600

Requested by

Host: ajax.googleapis.com
URL: https://ajax.googleapis.com/ajax/libs/webfont/1.6.26/webfont.js

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2a00:1450:4001:813::200a Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),

Reverse DNS

Software

ESF /

Resource Hash

25c115a4be11b34736cb8ad4e0927ab9be54916f98fab1070c89ffec0fa821c6

Security Headers

Name	Value
Strict-Transport-Security	max-age=31536000
X-Content-Type-Options	nosniff
X-Frame-Options	SAMEORIGIN
X-Xss-Protection	0

Request headers

User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36
Referer: https://www.opnbook.com/

Response headers

content-encoding: gzip
x-content-type-options: nosniff
expires: Mon, 23 Dec 2024 16:37:18 GMT
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
date: Mon, 23 Dec 2024 16:37:18 GMT
content-type: text/css; charset=utf-8
vary: Sec-Fetch-Dest, Sec-Fetch-Mode, Sec-Fetch-Site
last-modified: Mon, 23 Dec 2024 16:37:18 GMT
x-frame-options: SAMEORIGIN
strict-transport-security: max-age=31536000
link: <https://fonts.gstatic.com>; rel=preconnect; crossorigin
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AMAZON-02

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Full URL

https://cdn.matomo.cloud/opnbook.matomo.cloud/matomo.js

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Security

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Server

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Software

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CLOUDFLARENET

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Full URL: https://cdn.prod.website-files.com/67196f70af086a4dd3755a7a/67621129f58bae0075efd740_logo-white.svg
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CLOUDFLARENET

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Full URL: https://cdn.prod.website-files.com/67196f70af086a4dd3755a7a/6721c1a41b9baf10a1ac9a57_Featured%20icon.svg
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Full URL: https://cdn.prod.website-files.com/67196f70af086a4dd3755a7a/6721c4f047b85f93ae1cb1ac_Featured%20icon.svg
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Full URL: https://cdn.prod.website-files.com/67196f70af086a4dd3755a7a/6721c534be211c512f7ae43d_Featured%20icon.svg
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Full URL: https://cdn.prod.website-files.com/67196f70af086a4dd3755a7a/6721cf9847cbafa4d538595a_Image%20Wrapper.png
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Full URL: https://cdn.prod.website-files.com/67196f70af086a4dd3755a7a/6721d03570dde9c6e65eb63d_Ellipse%2020.png
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Full URL: https://cdn.prod.website-files.com/67196f70af086a4dd3755a7a/6721d3f6ca56f0841cd0a2e6_Avatar.png
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cache-control: max-age=31536000, must-revalidate
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cf-ray: 8f69c686ab1fdca5-FRA
accept-ranges: bytes
access-control-allow-origin: *
content-length: 100844
server: cloudflare
x-amz-server-side-encryption: AES256

GET
H3 200 6721d6a844ceaf53e9f2c8ec_Avatar.png
cdn.prod.website-files.com/67196f70af086a4dd3755a7a/ 110 KB
111 KB 121ms
120ms Image
image/png 104.18.161.117
CLOUDFLARENET

General

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Show headers Download Go to Show image

Full URL: https://cdn.prod.website-files.com/67196f70af086a4dd3755a7a/6721d6a844ceaf53e9f2c8ec_Avatar.png
Requested by: Host: www.opnbook.com
URL: https://www.opnbook.com/
Protocol: H3
Security: QUIC, , AES_128_GCM
Server: 104.18.161.117 -, , ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software: cloudflare /
Resource Hash: fe495797c35484954301b03acb4ac8c95f5813918471a30fa4b935119fde861f

Request headers

User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36
Referer: https://www.opnbook.com/

Response headers

cf-cache-status: HIT
etag: "48d7615911f6743d1485ba73ac72677f"
x-amz-version-id: GfHgzIciq4cuHl1UusxsbiSkJ90ryAZY
alt-svc: h3=":443"; ma=86400
server-timing: cfExtPri
date: Mon, 23 Dec 2024 16:37:18 GMT
content-type: image/png
last-modified: Wed, 30 Oct 2024 06:48:10 GMT
vary: Accept-Encoding
priority: u=3,i
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cache-control: max-age=31536000, must-revalidate
x-amz-request-id: BSA5AVJRDAFGSWKC
cf-ray: 8f69c686ab20dca5-FRA
accept-ranges: bytes
access-control-allow-origin: *
content-length: 112935
server: cloudflare
x-amz-server-side-encryption: AES256

GET
H3 200 6721d6f3a72525ee6f06229c_Avatar.png
cdn.prod.website-files.com/67196f70af086a4dd3755a7a/ 111 KB
112 KB 147ms
145ms Image
image/png 104.18.161.117
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to Show image

Full URL: https://cdn.prod.website-files.com/67196f70af086a4dd3755a7a/6721d6f3a72525ee6f06229c_Avatar.png
Requested by: Host: www.opnbook.com
URL: https://www.opnbook.com/
Protocol: H3
Security: QUIC, , AES_128_GCM
Server: 104.18.161.117 -, , ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software: cloudflare /
Resource Hash: 2cec0ed510dc97fccd2ae4631095970e6120ea8334dfef139216dc3ac3a31c97

Request headers

User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36
Referer: https://www.opnbook.com/

Response headers

cf-cache-status: HIT
etag: "ddf65fd60e2a559e4af30e4c6c18ce39"
x-amz-version-id: hjsS.6XiF1kPFgdMdcv5LdQMaCBrJzJM
alt-svc: h3=":443"; ma=86400
server-timing: cfExtPri
date: Mon, 23 Dec 2024 16:37:18 GMT
content-type: image/png
last-modified: Wed, 30 Oct 2024 06:49:25 GMT
vary: Accept-Encoding
priority: u=3,i
x-amz-id-2: ihNd/SBPN4JZhWr/wnDjEJUE1S+xSPWpTqsviI59bnMDm6IGNbn5PnqgiUTzrpED0v1oQttrWNpL09Qi1BkiQ7ScZYxPV5Z5
cache-control: max-age=31536000, must-revalidate
x-amz-request-id: HFEZ2TAPC9SH1CJB
cf-ray: 8f69c686ab22dca5-FRA
accept-ranges: bytes
access-control-allow-origin: *
content-length: 113841
server: cloudflare
x-amz-server-side-encryption: AES256

GET
H3 200 6721d7481c65466260f0e9a2_Avatar.png
cdn.prod.website-files.com/67196f70af086a4dd3755a7a/ 121 KB
122 KB 138ms
136ms Image
image/png 104.18.161.117
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to Show image

Full URL: https://cdn.prod.website-files.com/67196f70af086a4dd3755a7a/6721d7481c65466260f0e9a2_Avatar.png
Requested by: Host: www.opnbook.com
URL: https://www.opnbook.com/
Protocol: H3
Security: QUIC, , AES_128_GCM
Server: 104.18.161.117 -, , ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software: cloudflare /
Resource Hash: c8054b300d7062782d955e49b6325f12f21ca00d805a92b903310c894d2e7b41

Request headers

User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36
Referer: https://www.opnbook.com/

Response headers

cf-cache-status: HIT
etag: "46a56fde47469cc4b35b9dcd029746d5"
x-amz-version-id: aZjzeCoy1NydXagkMw9gfL3sd.axlM3p
alt-svc: h3=":443"; ma=86400
server-timing: cfExtPri
date: Mon, 23 Dec 2024 16:37:18 GMT
content-type: image/png
last-modified: Wed, 30 Oct 2024 06:50:50 GMT
vary: Accept-Encoding
priority: u=3,i
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cache-control: max-age=31536000, must-revalidate
x-amz-request-id: QTZ57HVZ7WNZJQSG
cf-ray: 8f69c686ab23dca5-FRA
accept-ranges: bytes
access-control-allow-origin: *
content-length: 124207
server: cloudflare
x-amz-server-side-encryption: AES256

GET
H3 200 6760b25f84eb997c513b3fca_avatar-jason-schultz.png
cdn.prod.website-files.com/67196f70af086a4dd3755a7a/ 52 KB
52 KB 142ms
141ms Image
image/png 104.18.161.117
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to Show image

Full URL: https://cdn.prod.website-files.com/67196f70af086a4dd3755a7a/6760b25f84eb997c513b3fca_avatar-jason-schultz.png
Requested by: Host: www.opnbook.com
URL: https://www.opnbook.com/
Protocol: H3
Security: QUIC, , AES_128_GCM
Server: 104.18.161.117 -, , ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software: cloudflare /
Resource Hash: b741e9f1771928bd25e7a54946f23368619edf87cc0ea6724617b3accbbc74dc

Request headers

User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36
Referer: https://www.opnbook.com/

Response headers

cf-cache-status: HIT
etag: "653c08e21c597edf76668e6e1d08d055"
x-amz-version-id: rJVexgiuQc4z27rbDgHTJXlU_paIF8Sv
alt-svc: h3=":443"; ma=86400
server-timing: cfExtPri
date: Mon, 23 Dec 2024 16:37:18 GMT
content-type: image/png
last-modified: Mon, 16 Dec 2024 23:06:09 GMT
vary: Accept-Encoding
priority: u=3,i
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cache-control: max-age=31536000, must-revalidate
x-amz-request-id: 6KMP0JK2JKZSZJMH
cf-ray: 8f69c686ab24dca5-FRA
accept-ranges: bytes
access-control-allow-origin: *
content-length: 53130
server: cloudflare
x-amz-server-side-encryption: AES256

GET
H2 200 insight.min.js Show response
snap.licdn.com/li.lms-analytics/ 19 KB
8 KB 141ms
32ms Script
application/javascript 2a02:26f0:3100::1735:2823
AKAMAI-ASN1 Akama...

General

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Show headers Download Go to

Full URL

https://snap.licdn.com/li.lms-analytics/insight.min.js

Requested by

Host: www.opnbook.com
URL: https://www.opnbook.com/

Protocol

Security

TLS 1.3, , AES_256_GCM

Server

2a02:26f0:3100::1735:2823 Frankfurt am Main, Germany, ASN20940 (AKAMAI-ASN1 Akamai International B.V., NL),

Reverse DNS

Software

Resource Hash

6c0d4e3bd890a4bf01c9a301d3e3ff127af22636c4f94250cc230815eb701593

Security Headers

Name	Value
X-Content-Type-Options	nosniff

Request headers

User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36
Referer: https://www.opnbook.com/

Response headers

vary: Accept-Encoding
cache-control: max-age=24770
content-encoding: gzip
x-cdn: AKAM
x-content-type-options: nosniff
accept-ranges: bytes
content-length: 7404
date: Mon, 23 Dec 2024 16:37:18 GMT
last-modified: Wed, 18 Dec 2024 09:08:52 GMT
content-type: application/javascript;charset=utf-8
x-edgeconnect-midmile-rtt: 0, 0
x-edgeconnect-origin-mex-latency: 470, 470
x-amz-server-side-encryption: AES256

GET
H3 200 UcC73FwrK3iLTeHuS_nVMrMxCp50SjIa1ZL7.woff2
fonts.gstatic.com/s/inter/v18/ 47 KB
47 KB 25ms
8ms Font
font/woff2 142.250.186.35
GOOGLE

General

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Show headers Download Go to

Full URL

https://fonts.gstatic.com/s/inter/v18/UcC73FwrK3iLTeHuS_nVMrMxCp50SjIa1ZL7.woff2

Requested by

Host: fonts.googleapis.com
URL: https://fonts.googleapis.com/css?family=Inter:regular,600

Protocol

Security

QUIC, , AES_128_GCM

Server

142.250.186.35 , United States, ASN15169 (GOOGLE, US),

Reverse DNS

fra24s04-in-f3.1e100.net

Software

sffe /

Resource Hash

f052ee44c3728dfd23aba8a4567150bc314d23903026fbb6ad089422c2df56af

Security Headers

Name	Value
X-Content-Type-Options	nosniff
X-Xss-Protection	0

Request headers

User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36
Origin: https://www.opnbook.com
Referer: https://fonts.googleapis.com/

Response headers

age: 583177
report-to: {"group":"apps-themes","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/apps-themes"}]}
x-content-type-options: nosniff
expires: Tue, 16 Dec 2025 22:37:41 GMT
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
date: Mon, 16 Dec 2024 22:37:41 GMT
last-modified: Mon, 29 Jul 2024 22:51:01 GMT
content-type: font/woff2
cache-control: public, max-age=31536000
timing-allow-origin: *
cross-origin-opener-policy: same-origin; report-to="apps-themes"
cross-origin-resource-policy: cross-origin
content-security-policy-report-only: require-trusted-types-for 'script'; report-uri https://csp.withgoogle.com/csp/apps-themes
accept-ranges: bytes
access-control-allow-origin: *
content-length: 48444
x-xss-protection: 0
server: sffe

GET
H2 200 insight.old.min.js Show response
snap.licdn.com/li.lms-analytics/ 40 KB
14 KB 33ms
30ms Script
application/javascript 2a02:26f0:3100::1735:2823
AKAMAI-ASN1 Akama...

General

Check archive.org

Show headers Download Go to

Full URL

https://snap.licdn.com/li.lms-analytics/insight.old.min.js

Requested by

Host: snap.licdn.com
URL: https://snap.licdn.com/li.lms-analytics/insight.min.js

Protocol

Security

TLS 1.3, , AES_256_GCM

Server

2a02:26f0:3100::1735:2823 Frankfurt am Main, Germany, ASN20940 (AKAMAI-ASN1 Akamai International B.V., NL),

Reverse DNS

Software

Resource Hash

8a27dc7b44ebe886390bfa0a9beeea36ea5a3f37479f0e0836b6c9b80d9b35ed

Security Headers

Name	Value
X-Content-Type-Options	nosniff

Request headers

User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36
Referer: https://www.opnbook.com/

Response headers

cache-control: max-age=28350
content-encoding: gzip
x-cdn: AKAM
x-content-type-options: nosniff
accept-ranges: bytes
content-length: 14628
date: Mon, 23 Dec 2024 16:37:18 GMT
last-modified: Mon, 02 Dec 2024 10:13:56 GMT
content-type: application/javascript;charset=utf-8
vary: Accept-Encoding
x-amz-server-side-encryption: AES256

GET
H2 200 attribution_trigger Show response
px.ads.linkedin.com/ 2 B
814 B 235ms
167ms XHR
application/json 2620:1ec:21::14
MICROSOFT-CORP-MS...

General

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Show headers Download Go to

Full URL: https://px.ads.linkedin.com/attribution_trigger?pid=6806900&time=1734971838694&url=https%3A%2F%2Fwww.opnbook.com%2F
Requested by: Host: snap.licdn.com
URL: https://snap.licdn.com/li.lms-analytics/insight.old.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: 44136fa355b3678a1146ad16f7e8649e94fb4fc21fe77e8310c060f61caaff8a

Request headers

User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36
Accept: *
Referer: https://www.opnbook.com/

Response headers

x-li-pop: afd-prod-ltx1-x
content-encoding: gzip
x-fs-uuid: 000629f29c263269f03045208cba43dd
x-msedge-ref: Ref A: 036FF8C4258D461DBF49469C40662B22 Ref B: FRAEDGE1909 Ref C: 2024-12-23T16:37:18Z
x-li-fabric: prod-ltx1
x-restli-protocol-version: 1.0.0
access-control-allow-methods: GET, OPTIONS
x-li-uuid: AAYp8pwmMmnwMEUgjLpD3Q==
x-li-proto: http/2
access-control-allow-origin: *
x-cache: CONFIG_NOCACHE
date: Mon, 23 Dec 2024 16:37:18 GMT
content-type: application/json
access-control-allow-headers: *

GET
H2

200

collect
px4.ads.linkedin.com/
Redirect Chain

https://px.ads.linkedin.com/collect?v=2&fmt=js&pid=6806900&time=1734971838694&url=https%3A%2F%2Fwww.opnbook.com%2F
https://px4.ads.linkedin.com/collect?v=2&fmt=js&pid=6806900&time=1734971838694&url=https%3A%2F%2Fwww.opnbook.com%2F&e_ipv6=AQJeA0zTRy3MiwAAAZP0YVGIpeM6n8EWDHCaabWbOhhtGs29lujDQ-r4jJO_-mJo1w

0
263 B

219ms
184ms

Image
application/javascript

13.107.42.14
MICROSOFT-CORP-MS...

General

Check archive.org

Show headers Download Go to Show image

Full URL: https://px4.ads.linkedin.com/collect?v=2&fmt=js&pid=6806900&time=1734971838694&url=https%3A%2F%2Fwww.opnbook.com%2F&e_ipv6=AQJeA0zTRy3MiwAAAZP0YVGIpeM6n8EWDHCaabWbOhhtGs29lujDQ-r4jJO_-mJo1w
Requested by: Host: www.opnbook.com
URL: https://www.opnbook.com/
Protocol: H2
Server: 13.107.42.14 , United States, ASN8068 (MICROSOFT-CORP-MSN-AS-BLOCK, US),
Reverse DNS
Software: /
Resource Hash: e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

Request headers

User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36
Referer: https://www.opnbook.com/

Response headers

linkedin-action: 1
x-li-pop: afd-prod-lor1-x
x-msedge-ref: Ref A: 0E58522F0A51494F9F59A3290F887091 Ref B: FRAEDGE1412 Ref C: 2024-12-23T16:37:18Z
x-li-fabric: prod-lor1
x-li-uuid: AAYp8pwpta8jkvoUMHe5cg==
x-li-proto: http/2
x-cache: CONFIG_NOCACHE
content-length: 0
date: Mon, 23 Dec 2024 16:37:18 GMT
content-type: application/javascript

Redirect headers

linkedin-action: 1
x-li-pop: afd-prod-lor1-x
location: https://px4.ads.linkedin.com/collect?v=2&fmt=js&pid=6806900&time=1734971838694&url=https%3A%2F%2Fwww.opnbook.com%2F&e_ipv6=AQJeA0zTRy3MiwAAAZP0YVGIpeM6n8EWDHCaabWbOhhtGs29lujDQ-r4jJO_-mJo1w
x-msedge-ref: Ref A: BE95E3A534B6449CB960F4988AB77094 Ref B: FRAEDGE1409 Ref C: 2024-12-23T16:37:18Z
x-li-fabric: prod-lor1
x-li-uuid: AAYp8pwmW7UWnXDOTmmn7w==
x-li-proto: http/2
x-cache: CONFIG_NOCACHE
content-length: 0
date: Mon, 23 Dec 2024 16:37:18 GMT

POST
H2 204 / Show response
px.ads.linkedin.com/wa/ 0
195 B 187ms
185ms XHR
text/plain 2620:1ec:21::14
MICROSOFT-CORP-MS...

General

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Show headers 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.old.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: e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

Request headers

Referer: https://www.opnbook.com/
User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36
Accept: *
Content-Type: text/plain;charset=UTF-8

Response headers

linkedin-action: 1
x-li-pop: afd-prod-lor1-x
x-msedge-ref: Ref A: D6E793A5E22F4428AA65A0CC10915339 Ref B: FRAEDGE1409 Ref C: 2024-12-23T16:37:19Z
x-li-fabric: prod-lor1
access-control-allow-credentials: true
x-li-uuid: AAYp8pwsjC30FBxEcD1k+g==
x-li-proto: http/2
access-control-allow-origin: https://www.opnbook.com
x-cache: CONFIG_NOCACHE
date: Mon, 23 Dec 2024 16:37:18 GMT
vary: Origin

GET
H3 200 67231f07c0ba37b26c81e41c_Opn%20Book%20(1).png
cdn.prod.website-files.com/67196f70af086a4dd3755a7a/ 653 B
1 KB 25ms
25ms Other
image/png 104.18.161.117
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

Full URL: https://cdn.prod.website-files.com/67196f70af086a4dd3755a7a/67231f07c0ba37b26c81e41c_Opn%20Book%20(1).png
Protocol: H3
Security: QUIC, , AES_128_GCM
Server: 104.18.161.117 -, , ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software: cloudflare /
Resource Hash: beb045b68bb2d4441310cbf6cda1cc5efcaf23521b78d553dffc03d0d260dd62

Request headers

User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36
Referer: https://www.opnbook.com/

Response headers

cf-cache-status: HIT
etag: "284fa331b4e491a33c3a2ba91363f11a"
x-amz-version-id: I5DftN2Pnuf9G0sFJlgJbzTyjOXtepW5
age: 1044771
alt-svc: h3=":443"; ma=86400
server-timing: cfExtPri
date: Mon, 23 Dec 2024 16:37:19 GMT
content-type: image/png
last-modified: Thu, 31 Oct 2024 06:09:13 GMT
vary: Accept-Encoding
priority: u=1,i
x-amz-id-2: sRqbLqZWeLdaxEQ1S9CEWfa7CFDNPR3DAT0U5izHiXFcICbw6VtNwdlVPR0C5iEIEIqRgYYYQac=
cache-control: max-age=31536000, must-revalidate
x-amz-request-id: AD86KAR2AYP861VK
cf-ray: 8f69c68ade88dca5-FRA
accept-ranges: bytes
access-control-allow-origin: *
content-length: 653
server: cloudflare
x-amz-server-side-encryption: AES256

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.

3 Cookies

Cookies are little pieces of information stored in the browser of a user. Whenever a user visits the site again, he will also send his cookie values, thus allowing the website to re-identify him even if he changed locations. This is how permanent logins work.

Domain/Path	Expires	Name / Value
.linkedin.com/	1970-01-21 10:41:47	Name: bcookie Value: "v=2&fb389744-c70a-4f67-87f6-f190bdb98bf3"
.linkedin.com/	1970-01-21 06:15:23	Name: li_gc Value: MTswOzE3MzQ5NzE4Mzg7MjswMjFbpqJt1W8lL9UvZ0YDaOqxjk1zhdRwycJ2gDCOBmW7Nw==
.linkedin.com/	1970-01-21 01:57:38	Name: lidc Value: "b=OGST06:s=O:r=O:a=O:p=O:g=3163:u=1:x=1:i=1734971838:t=1735058238:v=2:sig=AQEU4zfxXl6bWLUf7bHeP2vlWDazeF3X"

1 Console Messages

A page may trigger messages to the console to be logged. These are often error messages about being unable to load a resource or execute a piece of JavaScript. Sometimes they also provide insight into the technology behind a website.

Source	Level	URL Text
network	error	URL: https://cdn.matomo.cloud/opnbook.matomo.cloud/matomo.js Message: Failed to load resource: the server responded with a status of 404 ()

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=31536000

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.

ajax.googleapis.com
cdn.jsdelivr.net
cdn.matomo.cloud
cdn.prod.website-files.com
d3e54v103j8qbb.cloudfront.net
fonts.googleapis.com
fonts.gstatic.com
opnbook.com
px.ads.linkedin.com
px4.ads.linkedin.com
snap.licdn.com
www.opnbook.com
104.18.161.117
13.107.42.14
142.250.186.35
2600:9000:2724:800:c:7d55:b3c0:93a1
2620:1ec:21::14
2a00:1450:4001:811::200a
2a00:1450:4001:813::200a
2a02:26f0:3100::1735:2823
2a04:4e42:200::485
35.152.119.144
52.222.232.144
75.2.70.75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www.opnbook.com Open in urlscan Pro 35.152.119.144 Public Scan

Summary

urlscan.io Verdict: No classification

Domain & IP information

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Detected technologies

Page Statistics

29 Requests

97 %HTTPS

50 %IPv6

9 Domains

12 Subdomains

11 IPs

4 Countries

834 kBTransfer

1214 kBSize

3 Cookies

6 Outgoing links

Page URL History

Redirected requests

29 HTTP transactions Everything HTML Script AJAX CSS Image Expand all 0 data transactions

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www.opnbook.com Open in urlscan Pro
35.152.119.144 Public Scan

Screenshot
Live screenshot

Full Image

29
Requests

97 %
HTTPS

50 %
IPv6

9
Domains

12
Subdomains

11
IPs

4
Countries

834 kB
Transfer

1214 kB
Size

3
Cookies

29 HTTP transactions
0 data transactions