Submitted URL: http://bookdown.org/
Effective URL: https://bookdown.org/home/
Submission: On May 02 via manual from US — Scanned from DE

Summary

This website contacted 18 IPs in 4 countries across 20 domains to perform 46 HTTP transactions. The main IP is 54.144.125.240, located in Ashburn, United States and belongs to AMAZON-AES, US. The main domain is bookdown.org. The Cisco Umbrella rank of the primary domain is 489388.
TLS certificate: Issued by Amazon RSA 2048 M01 on February 28th 2023. Valid for: a year.
This is the only time bookdown.org was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

IP Address AS Autonomous System
1 1 34.224.116.219 14618 (AMAZON-AES)
1 12 54.144.125.240 14618 (AMAZON-AES)
1 35.156.224.161 16509 (AMAZON-02)
1 34.159.132.250 396982 (GOOGLE-CL...)
1 34.159.168.235 396982 (GOOGLE-CL...)
1 2a05:d014:275... 16509 (AMAZON-02)
3 2606:50c0:800... 54113 (FASTLY)
1 143.204.214.86 16509 (AMAZON-02)
1 2 2a05:d014:275... 16509 (AMAZON-02)
1 104.131.175.33 14061 (DIGITALOC...)
1 178.79.190.45 63949 (AKAMAI-LI...)
1 185.199.110.153 54113 (FASTLY)
1 35.208.79.31 19527 (GOOGLE-2)
1 185.199.111.153 54113 (FASTLY)
1 104.16.182.86 13335 (CLOUDFLAR...)
1 2a05:d014:275... 16509 (AMAZON-02)
1 34.141.48.9 396982 (GOOGLE-CL...)
1 1 2606:4700:303... 13335 (CLOUDFLAR...)
1 2a04:4e42:400... 54113 (FASTLY)
1 18 140.82.121.5 36459 (GITHUB)
46 18
Domain Requested by
18 api.github.com 1 redirects buttons.github.io
bookdown.org
13 bookdown.org 2 redirects bookdown.org
1 buttons.github.io bookdown.org
1 cdn.jsdelivr.net bookdown.org
1 yihui.org 1 redirects
1 yihui.name 1 redirects
1 r-pkgs.org bookdown.org
1 r4ds.had.co.nz bookdown.org
1 images.routledge.com bookdown.org
1 rstudio-education.github.io bookdown.org
1 clauswilke.com bookdown.org
1 otexts.com bookdown.org
1 engineering-shiny.org bookdown.org
1 socviz.co bookdown.org
1 livebook.datascienceheroes.com bookdown.org
1 datascienceatthecommandline.com bookdown.org
1 d33wubrfki0l68.cloudfront.net bookdown.org
1 csgillespie.github.io bookdown.org
1 www.tidytextmining.com bookdown.org
1 r.geocompx.org bookdown.org
1 moderndive.com bookdown.org
1 r-graphics.org bookdown.org
46 22
Subject Issuer Validity Valid
lb-prod.rsc.rstudioservices.com
Amazon RSA 2048 M01
2023-02-28 -
2024-03-27
a year crt.sh
*.r-graphics.org
R3
2023-03-13 -
2023-06-11
3 months crt.sh
*.moderndive.com
R3
2023-04-21 -
2023-07-20
3 months crt.sh
*.geocompx.org
R3
2023-04-28 -
2023-07-27
3 months crt.sh
tidytextmining.com
R3
2023-03-15 -
2023-06-13
3 months crt.sh
*.github.io
DigiCert TLS RSA SHA256 2020 CA1
2023-02-21 -
2024-03-20
a year crt.sh
*.cloudfront.net
Amazon RSA 2048 M01
2022-12-08 -
2023-12-07
a year crt.sh
*.datascienceatthecommandline.com
R3
2023-04-10 -
2023-07-09
3 months crt.sh
blog.datascienceheroes.com
R3
2023-03-15 -
2023-06-13
3 months crt.sh
kjhealy.co
R3
2023-04-19 -
2023-07-18
3 months crt.sh
engineering-shiny.org
R3
2023-04-29 -
2023-07-28
3 months crt.sh
*.otexts.com
R3
2023-04-16 -
2023-07-15
3 months crt.sh
clauswilke.com
R3
2023-04-07 -
2023-07-06
3 months crt.sh
routledge.com
Cloudflare Inc ECC CA-3
2022-10-19 -
2023-10-19
a year crt.sh
r4ds.had.co.nz
R3
2023-03-14 -
2023-06-12
3 months crt.sh
*.r-pkgs.org
R3
2023-03-15 -
2023-06-13
3 months crt.sh
*.github.com
DigiCert TLS Hybrid ECC SHA384 2020 CA1
2023-02-16 -
2024-03-15
a year crt.sh

This page contains 1 frames:

Primary Page: https://bookdown.org/home/
Frame ID: 6C820602ED2BD39C62282A9E79183A12
Requests: 46 HTTP requests in this frame

Screenshot

Page Title

Home | Bookdown

Page URL History Show full URLs

  1. http://bookdown.org/ HTTP 301
    https://bookdown.org/ HTTP 307
    https://bookdown.org/home/ Page URL

Detected technologies

Overall confidence: 100%
Detected patterns
  • //cdn\.jsdelivr\.net/

Page Statistics

46
Requests

96 %
HTTPS

30 %
IPv6

20
Domains

22
Subdomains

18
IPs

4
Countries

11698 kB
Transfer

11757 kB
Size

3
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://bookdown.org/ HTTP 301
    https://bookdown.org/ HTTP 307
    https://bookdown.org/home/ Page URL

Redirected requests

There were HTTP redirect chains for the following requests:

Request Chain 26
  • https://yihui.name/js/center-img.js HTTP 301
  • https://yihui.org/js/center-img.js HTTP 308
  • https://cdn.jsdelivr.net/npm/@xiee/utils/js/center-img.js
Request Chain 34
  • https://api.github.com/repos/yihui/rmarkdown-cookbook HTTP 301
  • https://api.github.com/repositories/131157098

46 HTTP transactions

Resource
Path
Size
x-fer
Type
MIME-Type
Primary Request /
bookdown.org/home/
Redirect Chain
  • http://bookdown.org/
  • https://bookdown.org/
  • https://bookdown.org/home/
37 KB
38 KB
Document
General
Full URL
https://bookdown.org/home/
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
54.144.125.240 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS
ec2-54-144-125-240.compute-1.amazonaws.com
Software
Posit Connect v2023.03.0 /
Resource Hash
9f8ec9764787ba6f51cdd696cca08d1c079267ed27799764005a2248e7473969
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/112.0.5615.121 Safari/537.36
accept-language
de-DE,de;q=0.9

Response headers

accept-ranges
bytes
cache-control
must-revalidate, no-cache, max-age=0
content-length
38276
content-type
text/html; charset=utf-8
date
Tue, 02 May 2023 20:03:34 GMT
last-modified
Thu, 27 Apr 2023 10:42:58 GMT
server
Posit Connect v2023.03.0
x-content-type-options
nosniff
x-correlation-id
fa18aafc-baab-4810-a9c4-7a893ca1a4e2

Redirect headers

content-length
42
content-type
text/html; charset=utf-8
date
Tue, 02 May 2023 20:03:34 GMT
location
/home/
server
Posit Connect v2023.03.0
x-content-type-options
nosniff
x-correlation-id
ba338ffd-9af6-4346-acd9-41fb28f47c6b
x-frame-options
DENY
style.css
bookdown.org/home/css/
4 KB
5 KB
Stylesheet
General
Full URL
https://bookdown.org/home/css/style.css
Requested by
Host: bookdown.org
URL: https://bookdown.org/home/
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
54.144.125.240 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS
ec2-54-144-125-240.compute-1.amazonaws.com
Software
Posit Connect v2023.03.0 /
Resource Hash
815e505e120f788b3bb3a2934b95a5459ae73b488d9a46f3e3b0a8dcfe815130
Security Headers
Name Value
X-Content-Type-Options nosniff

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://bookdown.org/home/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/112.0.5615.121 Safari/537.36

Response headers

date
Tue, 02 May 2023 20:03:34 GMT
x-correlation-id
c9a4f9e7-b583-4de6-8412-80e21a0397b1
x-content-type-options
nosniff
last-modified
Thu, 27 Apr 2023 10:42:58 GMT
server
Posit Connect v2023.03.0
content-type
text/css; charset=utf-8
cache-control
must-revalidate, no-cache, max-age=0
accept-ranges
bytes
content-length
4210
fonts.css
bookdown.org/home/css/
185 B
771 B
Stylesheet
General
Full URL
https://bookdown.org/home/css/fonts.css
Requested by
Host: bookdown.org
URL: https://bookdown.org/home/
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
54.144.125.240 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS
ec2-54-144-125-240.compute-1.amazonaws.com
Software
Posit Connect v2023.03.0 /
Resource Hash
8ada674b3895f94676334f53b2dbbfaf49afae898aaf36afee9ccc3ec67e79b7
Security Headers
Name Value
X-Content-Type-Options nosniff

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://bookdown.org/home/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/112.0.5615.121 Safari/537.36

Response headers

date
Tue, 02 May 2023 20:03:34 GMT
x-correlation-id
b068868f-8ef1-491c-9c5f-3b7b99dbe543
x-content-type-options
nosniff
last-modified
Thu, 27 Apr 2023 10:42:58 GMT
server
Posit Connect v2023.03.0
content-type
text/css; charset=utf-8
cache-control
must-revalidate, no-cache, max-age=0
accept-ranges
bytes
content-length
185
logo.png
bookdown.org/yihui/bookdown/images/
2 KB
3 KB
Image
General
Full URL
https://bookdown.org/yihui/bookdown/images/logo.png
Requested by
Host: bookdown.org
URL: https://bookdown.org/home/
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
54.144.125.240 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS
ec2-54-144-125-240.compute-1.amazonaws.com
Software
Posit Connect v2023.03.0 /
Resource Hash
df18ad414e5c952d154ea054860f8dcd9317655dd42d9fa0dc0e2914347adaa4
Security Headers
Name Value
X-Content-Type-Options nosniff

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://bookdown.org/home/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/112.0.5615.121 Safari/537.36

Response headers

date
Tue, 02 May 2023 20:03:34 GMT
x-correlation-id
4dddcea4-357e-4b6b-a51d-d521485df7aa
x-content-type-options
nosniff
last-modified
Mon, 17 Apr 2023 10:18:58 GMT
server
Posit Connect v2023.03.0
content-type
image/png
cache-control
must-revalidate, no-cache, max-age=0
accept-ranges
bytes
content-length
2538
cover.jpg
r-graphics.org/
125 KB
126 KB
Image
General
Full URL
https://r-graphics.org/cover.jpg
Requested by
Host: bookdown.org
URL: https://bookdown.org/home/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
35.156.224.161 Frankfurt am Main, Germany, ASN16509 (AMAZON-02, US),
Reverse DNS
ec2-35-156-224-161.eu-central-1.compute.amazonaws.com
Software
Netlify /
Resource Hash
9d9f9d2add02870264e7fd51fae29d4415ebf9013fb0fb1728b3bef304105846
Security Headers
Name Value
Strict-Transport-Security max-age=31536000

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://bookdown.org/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/112.0.5615.121 Safari/537.36

Response headers

x-nf-request-id
01GZF10BK9S48C68BF44HMH5G7
date
Tue, 02 May 2023 07:59:16 GMT
strict-transport-security
max-age=31536000
server
Netlify
age
43459
etag
"b5ee5c247df33318492fc940577c7c95-ssl"
content-type
image/jpeg
cache-control
public, max-age=0, must-revalidate
accept-ranges
bytes
content-length
128376
book_cover.png
moderndive.com/images/logos/
3 MB
3 MB
Image
General
Full URL
https://moderndive.com/images/logos/book_cover.png
Requested by
Host: bookdown.org
URL: https://bookdown.org/home/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
34.159.132.250 Frankfurt am Main, Germany, ASN396982 (GOOGLE-CLOUD-PLATFORM, US),
Reverse DNS
250.132.159.34.bc.googleusercontent.com
Software
Netlify /
Resource Hash
451c46517256681225bec8c98997a9c90f518e49acd671a757b0fda72ae3ca02
Security Headers
Name Value
Strict-Transport-Security max-age=31536000

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://bookdown.org/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/112.0.5615.121 Safari/537.36

Response headers

x-nf-request-id
01GZF10BJM6XH7HHPP3SRDJTFJ
date
Tue, 02 May 2023 12:57:00 GMT
strict-transport-security
max-age=31536000
server
Netlify
age
25595
etag
"d21e6a82cdd035d53e73b958dccb6e5c-ssl"
content-type
image/png
cache-control
public, max-age=0, must-revalidate
accept-ranges
bytes
content-length
2718559
cover.png
r.geocompx.org/images/
57 KB
57 KB
Image
General
Full URL
https://r.geocompx.org/images/cover.png
Requested by
Host: bookdown.org
URL: https://bookdown.org/home/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
34.159.168.235 Frankfurt am Main, Germany, ASN396982 (GOOGLE-CLOUD-PLATFORM, US),
Reverse DNS
235.168.159.34.bc.googleusercontent.com
Software
Netlify /
Resource Hash
9735a11a9fae283e88b5776ba1f61b31d69ce54e887f7438ed576f39a35321ca
Security Headers
Name Value
Strict-Transport-Security max-age=31536000

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://bookdown.org/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/112.0.5615.121 Safari/537.36

Response headers

x-nf-request-id
01GZF10BG7QPDYVH4YJBQK6V9J
date
Tue, 02 May 2023 12:36:56 GMT
strict-transport-security
max-age=31536000
server
Netlify
age
26799
etag
"ddd046e70b324d4f559e36e5c249a2f1-ssl"
content-type
image/png
cache-control
public, max-age=0, must-revalidate
accept-ranges
bytes
content-length
58198
cover.jpg
bookdown.org/yihui/bookdown/images/
32 KB
32 KB
Image
General
Full URL
https://bookdown.org/yihui/bookdown/images/cover.jpg
Requested by
Host: bookdown.org
URL: https://bookdown.org/home/
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
54.144.125.240 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS
ec2-54-144-125-240.compute-1.amazonaws.com
Software
Posit Connect v2023.03.0 /
Resource Hash
7d9386e538975a6e6f444944a33f6fd944c3dab916c28b7cf4f07f075ca5a86b
Security Headers
Name Value
X-Content-Type-Options nosniff

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://bookdown.org/home/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/112.0.5615.121 Safari/537.36

Response headers

date
Tue, 02 May 2023 20:03:35 GMT
x-correlation-id
7225071d-9d51-4d3f-813d-20b3c86d4ad7
x-content-type-options
nosniff
last-modified
Mon, 17 Apr 2023 10:18:58 GMT
server
Posit Connect v2023.03.0
content-type
image/jpeg
cache-control
must-revalidate, no-cache, max-age=0
accept-ranges
bytes
content-length
32595
cover.png
bookdown.org/yihui/rmarkdown/images/
19 KB
20 KB
Image
General
Full URL
https://bookdown.org/yihui/rmarkdown/images/cover.png
Requested by
Host: bookdown.org
URL: https://bookdown.org/home/
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
54.144.125.240 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS
ec2-54-144-125-240.compute-1.amazonaws.com
Software
Posit Connect v2023.03.0 /
Resource Hash
c79b2ea8620d0756c2b7cf748e4c5874414b3c17db7e464859104ddc13187d95
Security Headers
Name Value
X-Content-Type-Options nosniff

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://bookdown.org/home/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/112.0.5615.121 Safari/537.36

Response headers

date
Tue, 02 May 2023 20:03:35 GMT
x-correlation-id
20147a01-0f39-43c1-b533-c73838049021
x-content-type-options
nosniff
last-modified
Wed, 12 Apr 2023 20:21:54 GMT
server
Posit Connect v2023.03.0
content-type
image/png
cache-control
must-revalidate, no-cache, max-age=0
accept-ranges
bytes
content-length
19468
cover.png
bookdown.org/yihui/blogdown/images/
31 KB
32 KB
Image
General
Full URL
https://bookdown.org/yihui/blogdown/images/cover.png
Requested by
Host: bookdown.org
URL: https://bookdown.org/home/
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
54.144.125.240 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS
ec2-54-144-125-240.compute-1.amazonaws.com
Software
Posit Connect v2023.03.0 /
Resource Hash
76d45cff2c79b1df15de186733777b54259a51e6bb988a525d3d2225211822f8
Security Headers
Name Value
X-Content-Type-Options nosniff

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://bookdown.org/home/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/112.0.5615.121 Safari/537.36

Response headers

date
Tue, 02 May 2023 20:03:35 GMT
x-correlation-id
c6d0edf8-d4f8-4732-bd3f-679e1d894427
x-content-type-options
nosniff
last-modified
Wed, 12 Apr 2023 20:21:54 GMT
server
Posit Connect v2023.03.0
content-type
image/png
cache-control
must-revalidate, no-cache, max-age=0
accept-ranges
bytes
content-length
32072
cover.png
bookdown.org/yihui/rmarkdown-cookbook/images/
50 KB
51 KB
Image
General
Full URL
https://bookdown.org/yihui/rmarkdown-cookbook/images/cover.png
Requested by
Host: bookdown.org
URL: https://bookdown.org/home/
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
54.144.125.240 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS
ec2-54-144-125-240.compute-1.amazonaws.com
Software
Posit Connect v2023.03.0 /
Resource Hash
a80cdde72678a45140bb47787c2bf5f3b71f9f273cf647f6de96de71116f1463
Security Headers
Name Value
X-Content-Type-Options nosniff

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://bookdown.org/home/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/112.0.5615.121 Safari/537.36

Response headers

date
Tue, 02 May 2023 20:03:35 GMT
x-correlation-id
97d47edd-efd8-4b91-b67b-bf0658d74594
x-content-type-options
nosniff
last-modified
Wed, 12 Apr 2023 20:21:54 GMT
server
Posit Connect v2023.03.0
content-type
image/png
cache-control
must-revalidate, no-cache, max-age=0
accept-ranges
bytes
content-length
51388
cover.png
www.tidytextmining.com/images/
2 MB
2 MB
Image
General
Full URL
https://www.tidytextmining.com/images/cover.png
Requested by
Host: bookdown.org
URL: https://bookdown.org/home/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a05:d014:275:cb02::c8 Frankfurt am Main, Germany, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
Netlify /
Resource Hash
3305d4ddefa2964aa7bfebcc38fe633348ea02b8d405e0a5475fb44530de6e7a
Security Headers
Name Value
Strict-Transport-Security max-age=31536000

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://bookdown.org/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/112.0.5615.121 Safari/537.36

Response headers

x-nf-request-id
01GZF10C105A9G0NFZ05Q2PWNR
date
Tue, 02 May 2023 13:25:20 GMT
strict-transport-security
max-age=31536000
server
Netlify
age
23895
etag
"f64aa5239a9e4fdfc5927f8bc0d8f355-ssl"
content-type
image/png
cache-control
public, max-age=0, must-revalidate
accept-ranges
bytes
content-length
2374756
cover_sm.png
bookdown.org/rdpeng/rprogdatascience/
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strict-transport-security
max-age=31536000; includeSubdomains; preload
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nosniff
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Verdicts & Comments Add Verdict or Comment

1 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.

boolean| credentialless

3 Cookies

Domain/Path Name / Value
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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.

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