www.klaviyo.com - urlscan.io

Summary

This website contacted 3 IPs in 2 countries across 4 domains to perform 5 HTTP transactions. The main IP is 2606:4700:440a::ac40:9377, located in and belongs to CLOUDFLARENET, US. The main domain is www.klaviyo.com. The Cisco Umbrella rank of the primary domain is 21276.
TLS certificate: Issued by WE1 on October 27th 2025. Valid for: 3 months.

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

urlscan.io Verdict: No classification

Domain & IP information

	IP Address	AS Autonomous System
1 1	54.231.161.213 54.231.161.213	16509 (AMAZON-02) (AMAZON-02)
3	2606:4700:440... 2606:4700:440a::ac40:9377	13335 (CLOUDFLAR...) (CLOUDFLARENET)
1	2607:f8b0:400... 2607:f8b0:4004:c08::5f	15169 (GOOGLE) (GOOGLE)
1	2607:f8b0:400... 2607:f8b0:4004:c06::5e	15169 (GOOGLE) (GOOGLE)
5	3

1 54.231.161.213 (Ashburn, United States) 1 redirects

ASN16509 (AMAZON-02, US)
PTR: s3-website-us-east-1.amazonaws.com

klclick.com	Domain lookup VirusTotal SecurityTrails crt.sh Domaintools

3 2606:4700:440a::ac40:9377 (None, )

ASN13335 (CLOUDFLARENET, US)

www.klaviyo.com	Domain lookup VirusTotal SecurityTrails crt.sh Domaintools

1 2607:f8b0:4004:c08::5f (Washington, United States)

ASN15169 (GOOGLE, US)

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

1 2607:f8b0:4004:c06::5e (Washington, United States)

ASN15169 (GOOGLE, US)

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

	Apex Domain Subdomains	Transfer
3	klaviyo.com www.klaviyo.com — Cisco Umbrella Rank: 21276	23 KB
1	gstatic.com fonts.gstatic.com	23 KB
1	googleapis.com fonts.googleapis.com — Cisco Umbrella Rank: 44	963 B
1	klclick.com 1 redirects klclick.com — Cisco Umbrella Rank: 8611	300 B
5	4

	Domain	Requested by
3	www.klaviyo.com	www.klaviyo.com
1	fonts.gstatic.com	fonts.googleapis.com
1	fonts.googleapis.com	www.klaviyo.com
1	klclick.com	1 redirects
5	4

This site contains no links.

Subject Issuer	Validity	Valid
klaviyo.com WE1	`2025-10-27` - `2026-01-25`	3 months	crt.sh
upload.video.google.com WR2	`2025-10-27` - `2026-01-19`	3 months	crt.sh
*.gstatic.com WR2	`2025-10-27` - `2026-01-19`	3 months	crt.sh

This page contains 1 frames:

Primary Page: https://www.klaviyo.com/l/01KBZZ2EXX1H875T092HXH66KE_4
Frame ID: 49F5AB9EE2C2A577E61BDF5B2CB2EDA4
Requests: 5 HTTP requests in this frame

Screenshot
Live screenshot

Full Image

Page Title

Page Not Found (404)

Page URL History Show full URLs

http://klclick.com/l/01KBZZ2EXX1H875T092HXH66KE_4 HTTP 307
https://klclick.com/l/01KBZZ2EXX1H875T092HXH66KE_4 HTTP 307
http://klclick.com/l/01KBZZ2EXX1H875T092HXH66KE_4 HTTP 301
https://www.klaviyo.com/l/01KBZZ2EXX1H875T092HXH66KE_4 Page URL

Detected technologies

Bootstrap (UI frameworks) Expand

Overall confidence: 100%
Detected patterns

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

Klaviyo (Marketing automation) Expand

Overall confidence: 100%
Detected patterns

klaviyo\.com

Page Statistics

5
Requests

100 %
HTTPS

75 %
IPv6

4
Domains

4
Subdomains

3
IPs

2
Countries

47 kB
Transfer

150 kB
Size

0
Cookies

0 Outgoing links

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

Page URL History

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

http://klclick.com/l/01KBZZ2EXX1H875T092HXH66KE_4 HTTP 307
https://klclick.com/l/01KBZZ2EXX1H875T092HXH66KE_4 HTTP 307
http://klclick.com/l/01KBZZ2EXX1H875T092HXH66KE_4 HTTP 301
https://www.klaviyo.com/l/01KBZZ2EXX1H875T092HXH66KE_4 Page URL

Redirected requests

There were HTTP redirect chains for the following requests:

5 HTTP transactions
0 data transactions

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

GET
H2

404

Primary Request 01KBZZ2EXX1H875T092HXH66KE_4 Show response
www.klaviyo.com/l/
Redirect Chain

http://klclick.com/l/01KBZZ2EXX1H875T092HXH66KE_4
https://klclick.com/l/01KBZZ2EXX1H875T092HXH66KE_4
http://klclick.com/l/01KBZZ2EXX1H875T092HXH66KE_4
https://www.klaviyo.com/l/01KBZZ2EXX1H875T092HXH66KE_4

1 KB
1 KB

210ms
95ms

Document
text/html

2606:4700:440a::ac40:9377
CLOUDFLARENET

General

Check archive.org

Download Go to

Full URL

https://www.klaviyo.com/l/01KBZZ2EXX1H875T092HXH66KE_4

Protocol

H2

Security

TLS 1.3, , AES_128_GCM

Server

2606:4700:440a::ac40:9377 -, , ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

637caaf3071c4e7d95a2b540bbb4b2df9a35c144ff13d0d4758f750c974390ed

Security Headers

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

Request headers

Upgrade-Insecure-Requests: 1
User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/143.0.0.0 Safari/537.36

Response headers

cache-control: max-age=14400, stale-while-revalidate=60
cf-cache-status: DYNAMIC
cf-ray: 9aafbffefb0a43ab-EWR
content-encoding: gzip
content-language: en-us
content-type: text/html; charset=utf-8
date: Mon, 08 Dec 2025 22:37:54 GMT
referrer-policy: same-origin
server: cloudflare
strict-transport-security: max-age=31536000; includeSubDomains; preload
surrogate-control: max-age=14400
vary: Accept-Encoding,Accept-Language, Cookie
x-content-type-options: nosniff
x-envoy-upstream-service-time: 24
x-klaviyo-req-id: dcf88f2c-00e1-446b-af7c-76b67350d053
x-robots-tag: noindex

Redirect headers

Content-Length: 0
Date: Mon, 08 Dec 2025 22:37:55 GMT
Location: https://www.klaviyo.com/l/01KBZZ2EXX1H875T092HXH66KE_4
Server: AmazonS3
x-amz-id-2: TqqvjINHAh/fzi/kRxK4FLeAJ/jpc4voCNLky/kQa9IVhaEj5ZdpixbGcX9jYr/EW76WjnjOZHc=
x-amz-request-id: 9CGHRAJSPM6839XT

GET
H2 200 bootstrap.css
www.klaviyo.com/media/css/bootstrap3/ 121 KB
21 KB 76ms
75ms Stylesheet
text/css 2606:4700:440a::ac40:9377
CLOUDFLARENET

General

Check archive.org

Download Go to

Full URL

https://www.klaviyo.com/media/css/bootstrap3/bootstrap.css?v=50eda2

Requested by

Host: www.klaviyo.com
URL: https://www.klaviyo.com/l/01KBZZ2EXX1H875T092HXH66KE_4

Protocol

H2

Security

TLS 1.3, , AES_128_GCM

Server

2606:4700:440a::ac40:9377 -, , ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

0ea8c043f25f45ab783295dd607896ed6f62a33e9483e3e91f5132ea92f124db

Security Headers

Name	Value
Content-Security-Policy	base-uri 'none'; object-src 'none'; frame-ancestors 'self' login.bigcommerce.com *.mybigcommerce.com admin.shopify.com klaviyo.file.force.com klaviyo.lightning.force.com klaviyo.my.salesforce.com; script-src 'report-sample' 'strict-dynamic' 'unsafe-eval'; report-uri /csp/
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/143.0.0.0 Safari/537.36
Referer: https://www.klaviyo.com/l/01KBZZ2EXX1H875T092HXH66KE_4

Response headers

content-encoding: gzip
cf-cache-status: HIT
x-content-type-options: nosniff
expires: Tue, 09 Dec 2025 22:37:54 GMT
date: Mon, 08 Dec 2025 22:37:54 GMT
last-modified: Mon, 08 Dec 2025 21:15:10 GMT
content-type: text/css
vary: Accept-Encoding,Accept-Language, Cookie
content-disposition: inline; filename="bootstrap.css"
strict-transport-security: max-age=31536000; includeSubDomains; preload
content-security-policy: base-uri 'none'; object-src 'none'; frame-ancestors 'self' login.bigcommerce.com *.mybigcommerce.com admin.shopify.com klaviyo.file.force.com klaviyo.lightning.force.com klaviyo.my.salesforce.com; script-src 'report-sample' 'strict-dynamic' 'unsafe-eval'; report-uri /csp/
cache-control: public, max-age=86400
x-envoy-upstream-service-time: 20
cf-ray: 9aafbfffcbcf43ab-EWR
accept-ranges: bytes
x-klaviyo-req-id: a459c926-47f4-423c-9365-5dacb8e6941c
content-length: 21551
content-language: en-us
server: cloudflare

GET
H2 200 css
fonts.googleapis.com/ 5 KB
963 B 186ms
95ms Stylesheet
text/css 2607:f8b0:4004:c08::5f
GOOGLE

General

Check archive.org

Download Go to

Full URL

https://fonts.googleapis.com/css?family=Lato:100,200,300,400,500,700,900,400italic

Requested by

Host: www.klaviyo.com
URL: https://www.klaviyo.com/media/css/bootstrap3/bootstrap.css?v=50eda2

Protocol

H2

Security

TLS 1.3, , AES_128_GCM

Server

2607:f8b0:4004:c08::5f Washington, United States, ASN15169 (GOOGLE, US),

Reverse DNS

Software

ESF /

Resource Hash

853aab763f7a5a06ad977ae72264b451b919a46bb7a27220408be862caeed147

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/143.0.0.0 Safari/537.36
Referer

Response headers

content-encoding: gzip
x-content-type-options: nosniff
expires: Mon, 08 Dec 2025 22:37:54 GMT
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
date: Mon, 08 Dec 2025 22:37:54 GMT
content-type: text/css; charset=utf-8
vary: Sec-Fetch-Dest, Sec-Fetch-Mode, Sec-Fetch-Site
last-modified: Mon, 08 Dec 2025 22:31:15 GMT
x-frame-options: SAMEORIGIN
strict-transport-security: max-age=31536000
link: <https://fonts.gstatic.com>; rel=preconnect; crossorigin
cache-control: private, max-age=86400, stale-while-revalidate=604800
timing-allow-origin: *
cross-origin-opener-policy: same-origin-allow-popups
cross-origin-resource-policy: cross-origin
access-control-allow-origin: *
x-xss-protection: 0
server: ESF

GET
H3 200 S6uyw4BMUTPHjx4wXg.woff2
fonts.gstatic.com/s/lato/v25/ 23 KB
23 KB 105ms
30ms Font
font/woff2 2607:f8b0:4004:c06::5e
GOOGLE

General

Check archive.org

Download Go to

Full URL

https://fonts.gstatic.com/s/lato/v25/S6uyw4BMUTPHjx4wXg.woff2

Requested by

Host: fonts.googleapis.com
URL: https://fonts.googleapis.com/css?family=Lato:100,200,300,400,500,700,900,400italic

Protocol

H3

Security

QUIC, , AES_128_GCM

Server

2607:f8b0:4004:c06::5e Washington, United States, ASN15169 (GOOGLE, US),

Reverse DNS

Software

sffe /

Resource Hash

918b7dc3e2e2d015c16ce08b57bcb64d2253bafc1707658f361e72865498e537

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/143.0.0.0 Safari/537.36
Origin: https://www.klaviyo.com
Referer: https://fonts.googleapis.com/

Response headers

age: 187943
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: Sun, 06 Dec 2026 18:25:31 GMT
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
date: Sat, 06 Dec 2025 18:25:31 GMT
last-modified: Mon, 15 Sep 2025 17:09:41 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: 23580
x-xss-protection: 0
server: sffe

GET
H2 404 favicon.ico
www.klaviyo.com/ 78 B
210 B 61ms
60ms Other
application/json 2606:4700:440a::ac40:9377
CLOUDFLARENET

General

Check archive.org

Download Go to

Full URL

https://www.klaviyo.com/favicon.ico

Protocol

H2

Security

TLS 1.3, , AES_128_GCM

Server

2606:4700:440a::ac40:9377 -, , ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

cdc6fbe2a6542211526845af47f63acf1848d7312cb7e2db3c5a2e7cf3f2e6da

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/143.0.0.0 Safari/537.36
Referer: https://www.klaviyo.com/l/01KBZZ2EXX1H875T092HXH66KE_4

Response headers

strict-transport-security: max-age=31536000; includeSubDomains; preload
content-encoding: gzip
cf-cache-status: DYNAMIC
x-envoy-upstream-service-time: 2
x-content-type-options: nosniff
cf-ray: 9aafc001dd7343ab-EWR
x-klaviyo-req-id: e42b5fda-0e03-4ea6-ac1d-e0c3fcee0d64
date: Mon, 08 Dec 2025 22:37:54 GMT
content-type: application/json; charset=utf-8
server: cloudflare

Verdicts & Comments Add Verdict or Comment

0 JavaScript Window variables

These are the non-standard variables defined on the window object. These include var declarations and global functions and can be helpful in identifying possible client-side frameworks and code.

0 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.

2 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://www.klaviyo.com/l/01KBZZ2EXX1H875T092HXH66KE_4 Message: Failed to load resource: the server responded with a status of 404 ()
network	error	URL: https://www.klaviyo.com/favicon.ico 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; includeSubDomains; preload
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.

fonts.googleapis.com
fonts.gstatic.com
klclick.com
www.klaviyo.com
2606:4700:440a::ac40:9377
2607:f8b0:4004:c06::5e
2607:f8b0:4004:c08::5f
54.231.161.213
0ea8c043f25f45ab783295dd607896ed6f62a33e9483e3e91f5132ea92f124db
637caaf3071c4e7d95a2b540bbb4b2df9a35c144ff13d0d4758f750c974390ed
853aab763f7a5a06ad977ae72264b451b919a46bb7a27220408be862caeed147
918b7dc3e2e2d015c16ce08b57bcb64d2253bafc1707658f361e72865498e537
cdc6fbe2a6542211526845af47f63acf1848d7312cb7e2db3c5a2e7cf3f2e6da

www.klaviyo.com Open in urlscan Pro 2606:4700:440a::ac40:9377 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

5 Requests

100 %HTTPS

75 %IPv6

4 Domains

4 Subdomains

3 IPs

2 Countries

47 kBTransfer

150 kBSize

0 Cookies

0 Outgoing links

Page URL History

Redirected requests

5 HTTP transactions Everything HTML Script Fetch XHR CSS Image Font Expand all 0 data transactions

Request headers

Response headers

Redirect headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Verdicts & Comments Add Verdict or Comment

0 JavaScript Window variables

0 Cookies

2 Console Messages

Security Headers

Indicators

www.klaviyo.com Open in urlscan Pro
2606:4700:440a::ac40:9377 Public Scan

Screenshot
Live screenshot

Full Image

5
Requests

100 %
HTTPS

75 %
IPv6

4
Domains

4
Subdomains

3
IPs

2
Countries

47 kB
Transfer

150 kB
Size

0
Cookies

5 HTTP transactions
0 data transactions