blogs.loc.gov Open in urlscan Pro
104.17.6.58 Public Scan

Go To Rescan
Add Verdict Report

URL:
https://blogs.loc.gov/thesignal/2011/11/the-average-lifespan-of-a-webpage/
Submission: On June 17 via manual (June 17th 2024, 10:11:37 pm UTC) from CA — Scanned from CA

Summary HTTP 39 Redirects Links 45 Behaviour Indicators

Summary

This website contacted 7 IPs in 2 countries across 4 domains to perform 39 HTTP transactions. The main IP is 104.17.6.58, located in and belongs to CLOUDFLARENET, US. The main domain is blogs.loc.gov. The Cisco Umbrella rank of the primary domain is 471500.
TLS certificate: Issued by E6 on June 11th 2024. Valid for: 3 months.

This is the only time blogs.loc.gov was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

	IP Address	AS Autonomous System
4 34	104.17.6.58 104.17.6.58	13335 (CLOUDFLAR...) (CLOUDFLARENET)
3	23.45.193.57 23.45.193.57	16625 (AKAMAI-AS) (AKAMAI-AS)
2	3.223.45.156 3.223.45.156	14618 (AMAZON-AES) (AMAZON-AES)
1	104.18.64.82 104.18.64.82	13335 (CLOUDFLAR...) (CLOUDFLARENET)
1	54.243.149.91 54.243.149.91	14618 (AMAZON-AES) (AMAZON-AES)
2	63.140.38.91 63.140.38.91	14618 (AMAZON-AES) (AMAZON-AES)
1 1	35.168.118.158 35.168.118.158	14618 (AMAZON-AES) (AMAZON-AES)
39	7

34 104.17.6.58 (None, ) 4 redirects

ASN13335 (CLOUDFLARENET, US)

blogs.loc.gov	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools
www.loc.gov	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools
cdn.loc.gov	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

3 23.45.193.57 (United States)

ASN16625 (AKAMAI-AS, US)
PTR: a23-45-193-57.deploy.static.akamaitechnologies.com

assets.adobedtm.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

2 3.223.45.156 (Ashburn, United States)

ASN14618 (AMAZON-AES, US)
PTR: ec2-3-223-45-156.compute-1.amazonaws.com

dpm.demdex.net	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

1 104.18.64.82 (None, )

ASN13335 (CLOUDFLARENET, US)

cdn.loc.gov	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

1 54.243.149.91 (Ashburn, United States)

ASN14618 (AMAZON-AES, US)
PTR: ec2-54-243-149-91.compute-1.amazonaws.com

unitedstateslibraryofcongress.demdex.net	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

2 63.140.38.91 (United States)

ASN14618 (AMAZON-AES, US)
PTR: ip-63-140-38-91.data.adobedc.net

smon.loc.gov	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

1 35.168.118.158 (Ashburn, United States) 1 redirects

ASN14618 (AMAZON-AES, US)
PTR: ec2-35-168-118-158.compute-1.amazonaws.com

cm.everesttech.net	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

	Apex Domain Subdomains	Transfer
37	loc.gov 4 redirects blogs.loc.gov — Cisco Umbrella Rank: 471500 www.loc.gov — Cisco Umbrella Rank: 108700 cdn.loc.gov — Cisco Umbrella Rank: 246585 smon.loc.gov — Cisco Umbrella Rank: 136587	887 KB
3	demdex.net dpm.demdex.net — Cisco Umbrella Rank: 249 unitedstateslibraryofcongress.demdex.net — Cisco Umbrella Rank: 120240	2 KB
3	adobedtm.com assets.adobedtm.com — Cisco Umbrella Rank: 440	79 KB
1	everesttech.net 1 redirects cm.everesttech.net — Cisco Umbrella Rank: 1345	517 B
39	4

	Domain	Requested by
26	blogs.loc.gov	3 redirects blogs.loc.gov
7	www.loc.gov	1 redirects blogs.loc.gov
3	assets.adobedtm.com	blogs.loc.gov assets.adobedtm.com
2	smon.loc.gov	assets.adobedtm.com
2	cdn.loc.gov	blogs.loc.gov
2	dpm.demdex.net	assets.adobedtm.com
1	cm.everesttech.net	1 redirects
1	unitedstateslibraryofcongress.demdex.net	assets.adobedtm.com
39	8

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

Domain
www.loc.gov
www.facebook.com
twitter.com
web.archive.org
clgiles.ist.psu.edu
stevereads.com
www.archive.org
www.sciam.com
jiscpowr.jiscinvolve.org
www.sciamdigital.com
en.wikipedia.org
www.washingtonpost.com
static.googleusercontent.com
cdm16064.contentdm.oclc.org
loc.gov
www.twitter.com
www.youtube.com
www.pinterest.com
www.flickr.com
instagram.com
itunes.apple.com
www.usa.gov

Subject Issuer	Validity	Valid
loc.gov E6	`2024-06-11` - `2024-09-09`	3 months	crt.sh
assets.adobedtm.com DigiCert Global G2 TLS RSA SHA256 2020 CA1	`2023-07-11` - `2024-08-10`	a year	crt.sh
*.demdex.com DigiCert Global G2 TLS RSA SHA256 2020 CA1	`2023-09-26` - `2024-10-26`	a year	crt.sh
smon.loc.gov DigiCert Global G2 TLS RSA SHA256 2020 CA1	`2024-04-22` - `2025-05-23`	a year	crt.sh

This page contains 2 frames:

Primary Page: https://blogs.loc.gov/thesignal/2011/11/the-average-lifespan-of-a-webpage/
Frame ID: F62061EE2C0CD4E7EF58016FB3A7A6E5
Requests: 39 HTTP requests in this frame

Frame: https://unitedstateslibraryofcongress.demdex.net/dest5.html?d_nsid=0
Frame ID: 7FBD01586269ACF73E881A3BD262120C
Requests: 1 HTTP requests in this frame

Screenshot
Live screenshot

Full Image

Page Title

The Average Lifespan of a Webpage | The Signal

Page URL History Show full URLs

https://blogs.loc.gov/thesignal/2011/11/the-average-lifespan-of-a-webpage HTTP 301
https://blogs.loc.gov/thesignal/2011/11/the-average-lifespan-of-a-webpage/ Page URL

Detected technologies

WordPress (CMS) Expand

Overall confidence: 100%
Detected patterns

<link rel=["']stylesheet["'] [^>]+/wp-(?:content|includes)/
/wp-(?:content|includes)/

Bootstrap (Web Frameworks) Expand

Overall confidence: 100%
Detected patterns

<link[^>]* href=[^>]*?bootstrap(?:[^>]*?([0-9a-fA-F]{7,40}|[\d]+(?:.[\d]+(?:.[\d]+)?)?)|)[^>]*?(?:\.min)?\.css
bootstrap(?:[^>]*?([0-9a-fA-F]{7,40}|[\d]+(?:.[\d]+(?:.[\d]+)?)?)|)[^>]*?(?:\.min)?\.js

Font Awesome (Font Scripts) Expand

Overall confidence: 100%
Detected patterns

<link[^>]* href=[^>]*?(?:F|f)o(?:n|r)t-?(?:A|a)wesome(?:[^>]*?([0-9a-fA-F]{7,40}|[\d]+(?:.[\d]+(?:.[\d]+)?)?)|)
(?:F|f)o(?:n|r)t-?(?:A|a)wesome(?:.*?([0-9a-fA-F]{7,40}|[\d]+(?:.[\d]+(?:.[\d]+)?)?)|)

jQuery (JavaScript Libraries) Expand

Overall confidence: 100%
Detected patterns

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

jQuery Migrate (JavaScript Libraries) Expand

Overall confidence: 100%
Detected patterns

jquery[.-]migrate(?:-([\d.]+))?(?:\.min)?\.js(?:\?ver=([\d.]+))?

Page Statistics

39
Requests

90 %
HTTPS

0 %
IPv6

4
Domains

8
Subdomains

7
IPs

2
Countries

965 kB
Transfer

2103 kB
Size

10
Cookies

45 Outgoing links

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

URL: https://www.loc.gov/

Search URL Search Domain Scan URL

URL: http://www.facebook.com/sharer/sharer.php?u=https://blogs.loc.gov/thesignal/

Search URL Search Domain Scan URL

URL: https://twitter.com/intent/tweet?text=The%20Signal%2C%20Available%20Online%20%7C%20Library%20of%20Congress%20https://blogs.loc.gov/thesignal/

Search URL Search Domain Scan URL

URL: http://www.loc.gov/rss/

Search URL Search Domain Scan URL

URL: http://www.facebook.com/sharer/sharer.php?u=https%3A%2F%2Fblogs.loc.gov%2Fthesignal%2F2011%2F11%2Fthe-average-lifespan-of-a-webpage%2F

Search URL Search Domain Scan URL

URL: https://twitter.com/intent/tweet?text=The%20Average%20Lifespan%20of%20a%20Webpage%20%7C%20The%20Signal%20https%3A%2F%2Fblogs.loc.gov%2Fthesignal%2F2011%2F11%2Fthe-average-lifespan-of-a-webpage%2F

Search URL Search Domain Scan URL

URL: http://web.archive.org/web/19970504212157/http://www.sciam.com/0397issue/0397kahle.html
Title: special report in Scientific American

Search URL Search Domain Scan URL

URL: http://clgiles.ist.psu.edu/papers/Computer-2001-web-references.pdf#page=5
Title: academic study in IEEE Computer

Search URL Search Domain Scan URL

URL: http://stevereads.com/cache/ephemeral_web_pages.html
Title: Washington Post article

Search URL Search Domain Scan URL

URL: http://www.archive.org/about/bios.php#brewster
Title: Brewster Kahle

Search URL Search Domain Scan URL

URL: http://www.archive.org/
Title: Internet Archive

Search URL Search Domain Scan URL

URL: http://www.sciam.com/0397issue/0397kahle.html
Title: non-resolving link

Search URL Search Domain Scan URL

URL: http://jiscpowr.jiscinvolve.org/wp/2009/08/12/whats-the-average-lifespan-of-a-web-page/#comment-127
Title: (1)

Search URL Search Domain Scan URL

URL: http://www.sciamdigital.com/gsp_qpdf.cfm?ISSUEID_CHAR=00B8E369-1805-4A27-A331-9D727FEAC21&ARTICLEID_CHAR=00B10B9E-5F13-40B2-AA51-0A4D5C41549
Title: new location

Search URL Search Domain Scan URL

URL: http://en.wikipedia.org/w/index.php?title=URL_redirection&oldid=459099925#HTTP_status_codes_3xx
Title: redirect

Search URL Search Domain Scan URL

URL: http://www.washingtonpost.com/ac2/wp-dyn/A8730-2003Nov23
Title: resolving link

Search URL Search Domain Scan URL

URL: http://en.wikipedia.org/w/index.php?title=List_of_HTTP_status_codes&oldid=459599388#2xx_Success
Title: successful

Search URL Search Domain Scan URL

URL: http://en.wikipedia.org/w/index.php?title=HTTP_404&oldid=456754243
Title: failed

Search URL Search Domain Scan URL

URL: http://static.googleusercontent.com/external_content/untrusted_dlcp/research.google.com/en/us/archive/papers/rajab-2011a.pdf#page=8
Title: noticed

Search URL Search Domain Scan URL

URL: http://cdm16064.contentdm.oclc.org/cdm/compoundobject/collection/p266901coll4/id/3505
Title: http://cdm16064.contentdm.oclc.org/cdm/compoundobject/collection/p266901coll4/id/3505

Search URL Search Domain Scan URL

URL: https://www.loc.gov/legal/comment-and-posting-policy/
Title: Comment and Posting Policy

Search URL Search Domain Scan URL

URL: https://www.loc.gov/legal/standard-disclaimer-for-external-links/
Title: Please read our Standard Disclaimer.

Search URL Search Domain Scan URL

URL: https://www.loc.gov/connect/
Title: Connect with the Library

Search URL Search Domain Scan URL

URL: https://loc.gov/subscribe/
Title: Email

Search URL Search Domain Scan URL

URL: https://www.facebook.com/libraryofcongress/

Search URL Search Domain Scan URL

URL: https://www.twitter.com/librarycongress

Search URL Search Domain Scan URL

URL: https://www.youtube.com/libraryofcongress/

Search URL Search Domain Scan URL

URL: https://www.pinterest.com/LibraryCongress/

Search URL Search Domain Scan URL

URL: https://www.flickr.com/photos/library_of_congress/

Search URL Search Domain Scan URL

URL: https://instagram.com/librarycongress/

Search URL Search Domain Scan URL

URL: https://itunes.apple.com/us/artist/library-of-congress/id1280713133?mt=2

Search URL Search Domain Scan URL

URL: https://www.loc.gov/rss/
Title: RSS & E-Mail

Search URL Search Domain Scan URL

URL: https://www.loc.gov/podcasts/
Title: Podcasts

Search URL Search Domain Scan URL

URL: https://www.loc.gov/today/cyberlc/index.php
Title: Webcasts

Search URL Search Domain Scan URL

URL: https://itunes.apple.com/us/institution/library-of-congress/id386017159
Title: iTunesU External

Search URL Search Domain Scan URL

URL: https://www.loc.gov/rr/askalib/
Title: Ask a Librarian

Search URL Search Domain Scan URL

URL: https://www.loc.gov/contact/
Title: Contact Us

Search URL Search Domain Scan URL

URL: https://www.loc.gov/about/
Title: About

Search URL Search Domain Scan URL

URL: https://www.loc.gov/pressroom/login/
Title: Press

Search URL Search Domain Scan URL

URL: https://www.loc.gov/careers/
Title: Careers

Search URL Search Domain Scan URL

URL: https://www.loc.gov/programs/support-the-library-of-congress/
Title: Donate

Search URL Search Domain Scan URL

URL: https://www.loc.gov/about/office-of-the-inspector-general/
Title: Inspector General

Search URL Search Domain Scan URL

URL: https://www.loc.gov/legal/
Title: Legal

Search URL Search Domain Scan URL

URL: https://www.loc.gov/accessibility/
Title: Accessibility

Search URL Search Domain Scan URL

URL: https://www.usa.gov/
Title: USA.gov

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://blogs.loc.gov/thesignal/2011/11/the-average-lifespan-of-a-webpage HTTP 301
https://blogs.loc.gov/thesignal/2011/11/the-average-lifespan-of-a-webpage/ Page URL

Redirected requests

There were HTTP redirect chains for the following requests:

Request Chain 11

https://blogs.loc.gov/digitalpreservation/files/2011/11/broken-chain_4227492449_fa5749b848-150x150.jpg HTTP 301
https://blogs.loc.gov/thesignal/files/2011/11/broken-chain_4227492449_fa5749b848-150x150.jpg

Request Chain 28

https://blogs.loc.gov/digitalpreservation/files/2011/11/4041.jpg HTTP 301
https://blogs.loc.gov/thesignal/files/2011/11/4041.jpg

Request Chain 36

https://cm.everesttech.net/cm/dd?d_uuid=78129276134084642934177315911410207049 HTTP 302
https://dpm.demdex.net/ibs:dpid=411&dpuuid=ZnC0lAAAAB9HpAN_

Request Chain 37

https://www.loc.gov/favicon.ico HTTP 301
https://www.loc.gov/static/images/favicons/favicon.ico

39 HTTP transactions
1 data transactions

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

GET
H2

200

Primary Request / Show response
blogs.loc.gov/thesignal/2011/11/the-average-lifespan-of-a-webpage/
Redirect Chain

https://blogs.loc.gov/thesignal/2011/11/the-average-lifespan-of-a-webpage
https://blogs.loc.gov/thesignal/2011/11/the-average-lifespan-of-a-webpage/

71 KB
15 KB

281ms
280ms

Document
text/html

104.17.6.58
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

Full URL: https://blogs.loc.gov/thesignal/2011/11/the-average-lifespan-of-a-webpage/
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 104.17.6.58 -, , ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software: cloudflare /
Resource Hash: 6ee05d93fbee6cfc074ff6fd33f2b4fc36c21a26f6edc261134bcb8b7b7a9bc6

Request headers

Accept-Language: en-CA,en;q=0.9;q=0.9
Upgrade-Insecure-Requests: 1
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua: "Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
sec-ch-ua-mobile: ?0
sec-ch-ua-platform: "Win32"

Response headers

cache-control: public, max-age=14400
cf-cache-status: MISS
cf-ray: 8956603d4c8037d0-YYZ
content-encoding: gzip
content-type: text/html; charset=UTF-8
date: Mon, 17 Jun 2024 22:11:32 GMT
expires: Tue, 18 Jun 2024 02:11:32 GMT
last-modified: Mon, 17 Jun 2024 22:11:32 GMT
link: <https://blogs.loc.gov/thesignal/?p=3784>; rel=shortlink
server: cloudflare
vary: Accept-Encoding

Redirect headers

cache-control: public, max-age=14400
cf-cache-status: MISS
cf-ray: 8956603bcafb37d0-YYZ
content-type: text/html; charset=UTF-8
date: Mon, 17 Jun 2024 22:11:32 GMT
expires: Tue, 18 Jun 2024 02:11:32 GMT
location: https://blogs.loc.gov/thesignal/2011/11/the-average-lifespan-of-a-webpage/
server: cloudflare
vary: Accept-Encoding
x-redirect-by: WordPress

GET
H2 200 OpenSans-Regular.woff2
blogs.loc.gov/thesignal/wp-content/themes/loc-public-2024/loc-bootstrap/fonts/ 44 KB
44 KB 149ms
148ms Font
font/woff2 104.17.6.58
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

Full URL: https://blogs.loc.gov/thesignal/wp-content/themes/loc-public-2024/loc-bootstrap/fonts/OpenSans-Regular.woff2?ver=6.0.3
Requested by: Host: blogs.loc.gov
URL: https://blogs.loc.gov/thesignal/2011/11/the-average-lifespan-of-a-webpage/
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 104.17.6.58 -, , ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software: cloudflare /
Resource Hash: 408fe165dff48eb2f8cb3a2fcbc1dd92b94d56b4ab11813be55c776871c691cf

Request headers

sec-ch-ua: "Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer: https://blogs.loc.gov/thesignal/2011/11/the-average-lifespan-of-a-webpage/
Origin: https://blogs.loc.gov
Accept-Language: en-CA,en;q=0.9;q=0.9
sec-ch-ua-mobile: ?0
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform: "Win32"

Response headers

date: Mon, 17 Jun 2024 22:11:32 GMT
cf-cache-status: REVALIDATED
last-modified: Fri, 15 Mar 2024 18:43:39 GMT
server: cloudflare
etag: "ae68-613b762df2cc0;61adaa2580dcf
vary: Accept-Encoding
content-type: font/woff2
cache-control: public, max-age=14400
accept-ranges: bytes
cf-ray: 8956603f1e0737d0-YYZ
content-length: 44648
expires: Tue, 18 Jun 2024 02:11:32 GMT

GET
H2 200 OpenSans-Bold.woff2
blogs.loc.gov/thesignal/wp-content/themes/loc-public-2024/loc-bootstrap/fonts/ 45 KB
46 KB 70ms
69ms Font
font/woff2 104.17.6.58
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

Full URL: https://blogs.loc.gov/thesignal/wp-content/themes/loc-public-2024/loc-bootstrap/fonts/OpenSans-Bold.woff2?ver=6.0.3
Requested by: Host: blogs.loc.gov
URL: https://blogs.loc.gov/thesignal/2011/11/the-average-lifespan-of-a-webpage/
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 104.17.6.58 -, , ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software: cloudflare /
Resource Hash: 46b518780343f2262e168bea5146d1ff30a6253191cc61b486657c76a58fb2bb

Request headers

sec-ch-ua: "Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer: https://blogs.loc.gov/thesignal/2011/11/the-average-lifespan-of-a-webpage/
Origin: https://blogs.loc.gov
Accept-Language: en-CA,en;q=0.9;q=0.9
sec-ch-ua-mobile: ?0
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform: "Win32"

Response headers

date: Mon, 17 Jun 2024 22:11:32 GMT
cf-cache-status: EXPIRED
last-modified: Fri, 15 Mar 2024 18:43:39 GMT
server: cloudflare
etag: "b57c-613b762df2cc0;61adaa2580dcf
vary: Accept-Encoding
content-type: font/woff2
cache-control: public, max-age=14400
accept-ranges: bytes
cf-ray: 8956603f1e0837d0-YYZ
content-length: 46460
expires: Tue, 18 Jun 2024 02:11:32 GMT

GET
H2 200 all.css
blogs.loc.gov/thesignal/wp-content/themes/loc-public-2024/loc-bootstrap/fontawesome/css/ 72 KB
13 KB 147ms
146ms Stylesheet
text/css 104.17.6.58
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

Full URL: https://blogs.loc.gov/thesignal/wp-content/themes/loc-public-2024/loc-bootstrap/fontawesome/css/all.css?ver=6.0.3
Requested by: Host: blogs.loc.gov
URL: https://blogs.loc.gov/thesignal/2011/11/the-average-lifespan-of-a-webpage/
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 104.17.6.58 -, , ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software: cloudflare /
Resource Hash: 0cb8cc3fee4275e182236ab19c3aae55274f43aa0ffde9c0510d8d59fcf8e5dc

Request headers

sec-ch-ua: "Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer: https://blogs.loc.gov/thesignal/2011/11/the-average-lifespan-of-a-webpage/
Accept-Language: en-CA,en;q=0.9;q=0.9
sec-ch-ua-mobile: ?0
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform: "Win32"

Response headers

date: Mon, 17 Jun 2024 22:11:32 GMT
content-encoding: gzip
cf-cache-status: EXPIRED
last-modified: Fri, 15 Mar 2024 18:43:38 GMT
server: cloudflare
etag: "11f69-613b762cfea80;61adeaee23101
vary: Accept-Encoding
content-type: text/css
cache-control: public, max-age=14400
accept-ranges: bytes
cf-ray: 8956603f1e0437d0-YYZ
content-length: 13366
expires: Tue, 18 Jun 2024 02:11:32 GMT

GET
H2 200 style.css
blogs.loc.gov/thesignal/wp-content/themes/loc-public-2024/ 237 KB
34 KB 171ms
170ms Stylesheet
text/css 104.17.6.58
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

Full URL: https://blogs.loc.gov/thesignal/wp-content/themes/loc-public-2024/style.css?ver=6.0.3
Requested by: Host: blogs.loc.gov
URL: https://blogs.loc.gov/thesignal/2011/11/the-average-lifespan-of-a-webpage/
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 104.17.6.58 -, , ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software: cloudflare /
Resource Hash: 12bd640d71a80ad5f237d59cd76be8c418fa46efc7147bd654545d7dc52c2caf

Request headers

sec-ch-ua: "Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer: https://blogs.loc.gov/thesignal/2011/11/the-average-lifespan-of-a-webpage/
Accept-Language: en-CA,en;q=0.9;q=0.9
sec-ch-ua-mobile: ?0
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform: "Win32"

Response headers

date: Mon, 17 Jun 2024 22:11:32 GMT
content-encoding: gzip
cf-cache-status: EXPIRED
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content-security-policy: block-all-mixed-content; default-src https://loc.gov/ https://*.loc.gov/ ; media-src https://loc.gov/ https://*.loc.gov/ https://*.readspeaker.com/ https://*.arcgis.com/ https://*.arcgisonline.com/ https://webapps-cdn.esri.com/ blob:; worker-src https://loc.gov/ https://*.loc.gov/ blob:; font-src https://loc.gov/ https://*.loc.gov/ https://*.arcgis.com/ https://*.arcgisonline.com/ https://webapps-cdn.esri.com/ https://ssl.p.jwpcdn.com/ data:; img-src https://loc.gov/ https://*.loc.gov/ https://congress.gov/ https://*.congress.gov/ https://*.readspeaker.com/ https://*.arcgis.com/ https://*.arcgisonline.com/ https://webapps-cdn.esri.com/ https://*.ssa.gov/ https://dpm.demdex.net/ https://cm.everesttech.net/ https://*.amazonaws.com data: blob:; connect-src https://loc.gov/ https://*.loc.gov/ https://*.arcgis.com/ https://*.arcgisonline.com/ https://webapps-cdn.esri.com/ https://chat-us.libanswers.com/ https://thelibraryofcongress.tt.omtrdc.net/ https://dpm.demdex.net/ https://d3c605m4lmznjl.cloudfront.net/ https://*.s3.us-east-1.amazonaws.com/; style-src https://loc.gov/ https://*.loc.gov/ https://*.readspeaker.com/ https://*.arcgis.com/ https://*.arcgisonline.com/ https://webapps-cdn.esri.com/ https://ssl.p.jwpcdn.com/ https://assets.adobedtm.com/ https://*.ssa.gov/ 'unsafe-inline' blob:; script-src https://loc.gov/ https://*.loc.gov/ https://*.readspeaker.com/ https://*.arcgis.com/ https://*.arcgisonline.com/ https://webapps-cdn.esri.com/ https://ssl.p.jwpcdn.com/ https://assets.adobedtm.com/ https://*.blackbaudcdn.net/ https://*.blackbaud.com/ https://ajax.googleapis.com/ajax/libs/jquery/ https://*.ssa.gov/ https://s.ytimg.com/ 'unsafe-inline' 'unsafe-eval'; frame-src https://loc.gov/ https://*.loc.gov/ https://*.readspeaker.com/ https://*.blackbaudcdn.net/ https://*.blackbaud.com/ https://www.nlstalkingbooks.org/ https://unitedstateslibraryofcongress.demdex.net https://www.youtube-nocookie.com/; frame-ancestors https://loc.gov/ https://*.loc.gov/ https://*.blackbaudcdn.net/ https://*.blackbaud.com/ https://loc.libwizard.com/; report-uri https://errorlogging.loc.gov/api/51/security/?sentry_key=2176ae0b9acd4cd59297edc0e064cc95&sentry_environment=production ;
cf-cache-status: HIT
age: 453891
content-length: 34494
x-nearside-cache-hits: 16
referrer-policy: no-referrer-when-downgrade
last-modified: Thu, 05 Mar 2020 22:08:24 GMT
server: cloudflare
vary: Accept-Encoding
content-type: image/vnd.microsoft.icon
access-control-allow-origin: *
x-grace: none
x-nearside-cache: HIT
cache-control: no-transform, max-age=31536000
accept-ranges: bytes
cf-ray: 89566041d85337d0-YYZ
expires: Thu, 12 Jun 2025 16:06:10 GMT

Redirect headers

date: Mon, 17 Jun 2024 22:11:32 GMT
strict-transport-security: max-age=3600; preload
x-content-type-options: nosniff
cf-cache-status: HIT
content-security-policy: block-all-mixed-content; default-src https://loc.gov/ https://*.loc.gov/ ; media-src https://loc.gov/ https://*.loc.gov/ https://*.readspeaker.com/ https://*.arcgis.com/ https://*.arcgisonline.com/ https://webapps-cdn.esri.com/ blob:; worker-src https://loc.gov/ https://*.loc.gov/ blob:; font-src https://loc.gov/ https://*.loc.gov/ https://*.arcgis.com/ https://*.arcgisonline.com/ https://webapps-cdn.esri.com/ https://ssl.p.jwpcdn.com/ data:; img-src https://loc.gov/ https://*.loc.gov/ https://congress.gov/ https://*.congress.gov/ https://*.readspeaker.com/ https://*.arcgis.com/ https://*.arcgisonline.com/ https://webapps-cdn.esri.com/ https://*.ssa.gov/ https://dpm.demdex.net/ https://cm.everesttech.net/ https://*.amazonaws.com data: blob:; connect-src https://loc.gov/ https://*.loc.gov/ https://*.arcgis.com/ https://*.arcgisonline.com/ https://webapps-cdn.esri.com/ https://chat-us.libanswers.com/ https://thelibraryofcongress.tt.omtrdc.net/ https://dpm.demdex.net/ https://d3c605m4lmznjl.cloudfront.net/ https://*.s3.us-east-1.amazonaws.com/; style-src https://loc.gov/ https://*.loc.gov/ https://*.readspeaker.com/ https://*.arcgis.com/ https://*.arcgisonline.com/ https://webapps-cdn.esri.com/ https://ssl.p.jwpcdn.com/ https://assets.adobedtm.com/ https://*.ssa.gov/ 'unsafe-inline' blob:; script-src https://loc.gov/ https://*.loc.gov/ https://*.readspeaker.com/ https://*.arcgis.com/ https://*.arcgisonline.com/ https://webapps-cdn.esri.com/ https://ssl.p.jwpcdn.com/ https://assets.adobedtm.com/ https://*.blackbaudcdn.net/ https://*.blackbaud.com/ https://ajax.googleapis.com/ajax/libs/jquery/ https://*.ssa.gov/ https://s.ytimg.com/ 'unsafe-inline' 'unsafe-eval'; frame-src https://loc.gov/ https://*.loc.gov/ https://*.readspeaker.com/ https://*.blackbaudcdn.net/ https://*.blackbaud.com/ https://www.nlstalkingbooks.org/ https://unitedstateslibraryofcongress.demdex.net https://www.youtube-nocookie.com/; frame-ancestors https://loc.gov/ https://*.loc.gov/ https://*.blackbaudcdn.net/ https://*.blackbaud.com/ https://loc.libwizard.com/; report-uri https://errorlogging.loc.gov/api/51/security/?sentry_key=2176ae0b9acd4cd59297edc0e064cc95&sentry_environment=production ;
age: 32121
x-nearside-cache-hits: 18
referrer-policy: no-referrer-when-downgrade
server: cloudflare
x-frame-options: sameorigin
vary: Accept-Encoding
content-type: text/html; charset=utf-8
location: https://www.loc.gov/static/images/favicons/favicon.ico
access-control-allow-origin: *
x-grace: none
x-nearside-cache: HIT
cache-control: public, max-age=86400
cf-ray: 89566041a81e37d0-YYZ
expires: Tue, 18 Jun 2024 22:11:32 GMT

GET
H2 200 s58461089139561
smon.loc.gov/b/ss/locgovprod/1/JS-2.26.0-LDQM/ 43 B
320 B 43ms
43ms Image
image/gif 63.140.38.91
AMAZON-AES

General

Check archive.org

Show headers Download Go to Show image

Full URL

https://smon.loc.gov/b/ss/locgovprod/1/JS-2.26.0-LDQM/s58461089139561?AQB=1&ndh=1&pf=1&t=17%2F5%2F2024%2015%3A11%3A32%201%20420&mid=78096811534786694504176060975433429094&aamlh=7&ce=UTF-8&cdp=2&fpCookieDomainPeriods=2&g=https%3A%2F%2Fblogs.loc.gov%2Fthesignal%2F2011%2F11%2Fthe-average-lifespan-of-a-webpage%2F&c.&getPageLoadTime=2.0.2&performanceWriteFull=1.0&performanceWritePart=1.0&performanceCheck=1.0&p_fo=3.0&getPreviousValue=3.0.1&apl=4.0&inList=3.0&.c&cc=USD&server=blogs.loc.gov&events=event40&aamb=6G1ynYcLPuiQxYZrsz_pkqfLG9yMXBpb2zX5dvJdYQJzPXImdj0y&c1=The%20Average%20Lifespan%20of%20a%20Webpage%20%7C%20The%20Signal&v8=year%3D2024%20%7C%20month%3DJune%20%7C%20date%3D17%20%7C%20day%3DMonday%20%7C%20time%3D6%3A11%20PM&c9=D%3Dv19&v15=https%3A%2F%2Fblogs.loc.gov%2Fthesignal%2F2011%2F11%2Fthe-average-lifespan-of-a-webpage%2F&v19=PRODDEC2012-1&c61=thesignal&c62=2011&c63=11&c64=the-average-lifespan-of-a-webpage&c68=0.89&s=1600x1200&c=24&j=1.6&v=N&k=Y&bw=1600&bh=1200&mcorgid=0D15148954E6C5100A4C98BC%40AdobeOrg&AQE=1

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

63.140.38.91 , United States, ASN14618 (AMAZON-AES, US),

Reverse DNS

ip-63-140-38-91.data.adobedc.net

Software

jag /

Resource Hash

a1ecbaed793a1f564c49c671f2dd0ce36f858534ef6d26b55783a06b884cc506

Security Headers

Name	Value
Strict-Transport-Security	max-age=31536000; includeSubDomains
X-Content-Type-Options	nosniff
X-Xss-Protection	1; mode=block

Request headers

sec-ch-ua: "Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer: https://blogs.loc.gov/
Accept-Language: en-CA,en;q=0.9;q=0.9
sec-ch-ua-mobile: ?0
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform: "Win32"

Response headers

pragma: no-cache
date: Mon, 17 Jun 2024 22:11:32 GMT
strict-transport-security: max-age=31536000; includeSubDomains
x-content-type-options: nosniff
last-modified: Tue, 18 Jun 2024 22:11:32 GMT
server: jag
etag: 3690799169422852096-4618628608188946583
vary: *
p3p: CP="This is not a P3P policy"
access-control-allow-origin: *
content-type: image/gif;charset=utf-8
cache-control: no-cache, no-store, max-age=0, no-transform, private
content-length: 43
x-xss-protection: 1; mode=block
expires: Sun, 16 Jun 2024 22:11:32 GMT

Verdicts & Comments Add Verdict or Comment

34 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.

10 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
.demdex.net/	1970-01-21 01:43:34	Name: demdex Value: 78129276134084642934177315911410207049
.loc.gov/	1969-12-31 23:59:59	Name: AMCVS_0D15148954E6C5100A4C98BC%40AdobeOrg Value: 1
.loc.gov/	1970-01-21 07:00:22	Name: s_ecid Value: MCMID%7C78096811534786694504176060975433429094
.loc.gov/	1969-12-31 23:59:59	Name: s_ptc Value: pt.rdr%240.31%5E%5Ept.apc%240.00%5E%5Ept.dns%240.00%5E%5Ept.tcp%240.00%5E%5Ept.req%240.28%5E%5Ept.rsp%240.01%5E%5Ept.prc%240.39%5E%5Ept.onl%240.01%5E%5Ept.tot%240.99%5E%5Ept.pfi%241
.loc.gov/	1969-12-31 23:59:59	Name: s_plt Value: %5B%5BB%5D%5D
.loc.gov/	1969-12-31 23:59:59	Name: s_pltp Value: %5B%5BB%5D%5D
.loc.gov/	1969-12-31 23:59:59	Name: s_cc Value: true
.everesttech.net/	1970-01-21 06:09:58	Name: everest_g_v2 Value: g_surferid~ZnC0lAAAAB9HpAN_
.dpm.demdex.net/	1970-01-21 01:43:34	Name: dpm Value: 78129276134084642934177315911410207049
.loc.gov/	1970-01-21 07:00:22	Name: AMCV_0D15148954E6C5100A4C98BC%40AdobeOrg Value: 179643557%7CMCIDTS%7C19892%7CMCMID%7C78096811534786694504176060975433429094%7CMCAAMLH-1719267092%7C7%7CMCAAMB-1719267092%7C6G1ynYcLPuiQxYZrsz_pkqfLG9yMXBpb2zX5dvJdYQJzPXImdj0y%7CMCOPTOUT-1718669492s%7CNONE%7CMCAID%7CNONE%7CMCSYNCSOP%7C411-19899%7CvVersion%7C5.5.0

6 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
security	warning	URL: https://blogs.loc.gov/thesignal/2011/11/the-average-lifespan-of-a-webpage/ Message: Mixed Content: The page at 'https://blogs.loc.gov/thesignal/2011/11/the-average-lifespan-of-a-webpage/' was loaded over HTTPS, but requested an insecure element 'http://blogs.loc.gov/digitalpreservation/files/2011/11/broken-chain_4227492449_fa5749b848-150x150.jpg'. This request was automatically upgraded to HTTPS, For more information see https://blog.chromium.org/2019/10/no-more-mixed-messages-about-https.html
security	warning	URL: https://blogs.loc.gov/thesignal/2011/11/the-average-lifespan-of-a-webpage/(Line 409) Message: Mixed Content: The page at 'https://blogs.loc.gov/thesignal/2011/11/the-average-lifespan-of-a-webpage/' was loaded over HTTPS, but requested an insecure element 'http://blogs.loc.gov/digitalpreservation/files/2011/11/broken-chain_4227492449_fa5749b848-150x150.jpg'. This request was automatically upgraded to HTTPS, For more information see https://blog.chromium.org/2019/10/no-more-mixed-messages-about-https.html
security	warning	URL: https://blogs.loc.gov/thesignal/2011/11/the-average-lifespan-of-a-webpage/(Line 409) Message: Mixed Content: The page at 'https://blogs.loc.gov/thesignal/2011/11/the-average-lifespan-of-a-webpage/' was loaded over HTTPS, but requested an insecure element 'http://blogs.loc.gov/digitalpreservation/files/2011/11/4041.jpg'. This request was automatically upgraded to HTTPS, For more information see https://blog.chromium.org/2019/10/no-more-mixed-messages-about-https.html
security	warning	URL: https://blogs.loc.gov/thesignal/2011/11/the-average-lifespan-of-a-webpage/ Message: Mixed Content: The page at 'https://blogs.loc.gov/thesignal/2011/11/the-average-lifespan-of-a-webpage/' was loaded over HTTPS, but requested an insecure element 'http://blogs.loc.gov/digitalpreservation/files/2011/11/4041.jpg'. This request was automatically upgraded to HTTPS, For more information see https://blog.chromium.org/2019/10/no-more-mixed-messages-about-https.html
javascript	warning	URL: https://blogs.loc.gov/thesignal/2011/11/the-average-lifespan-of-a-webpage/ Message: The resource https://blogs.loc.gov/thesignal/wp-content/themes/loc-public-2024/loc-bootstrap/fonts/OpenSans-Regular.woff2?ver=6.0.3 was preloaded using link preload but not used within a few seconds from the window's load event. Please make sure it has an appropriate `as` value and it is preloaded intentionally.
javascript	warning	URL: https://blogs.loc.gov/thesignal/2011/11/the-average-lifespan-of-a-webpage/ Message: The resource https://blogs.loc.gov/thesignal/wp-content/themes/loc-public-2024/loc-bootstrap/fonts/OpenSans-Bold.woff2?ver=6.0.3 was preloaded using link preload but not used within a few seconds from the window's load event. Please make sure it has an appropriate `as` value and it is preloaded intentionally.

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.

assets.adobedtm.com
blogs.loc.gov
cdn.loc.gov
cm.everesttech.net
dpm.demdex.net
smon.loc.gov
unitedstateslibraryofcongress.demdex.net
www.loc.gov
104.17.6.58
104.18.64.82
23.45.193.57
3.223.45.156
35.168.118.158
54.243.149.91
63.140.38.91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blogs.loc.gov Open in urlscan Pro 104.17.6.58 Public Scan

Summary

urlscan.io Verdict: No classification

Domain & IP information

Screenshot Live screenshot Full Image

Page Title

Page URL History Show full URLs

Detected technologies

Page Statistics

39 Requests

90 %HTTPS

0 %IPv6

4 Domains

8 Subdomains

7 IPs

2 Countries

965 kBTransfer

2103 kBSize

10 Cookies

45 Outgoing links

Page URL History

Redirected requests

39 HTTP transactions Everything HTML Script AJAX CSS Image Expand all 1 data transactions

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blogs.loc.gov Open in urlscan Pro
104.17.6.58 Public Scan

Screenshot
Live screenshot

Full Image

39
Requests

90 %
HTTPS

0 %
IPv6

4
Domains

8
Subdomains

7
IPs

2
Countries

965 kB
Transfer

2103 kB
Size

10
Cookies

39 HTTP transactions
1 data transactions