cdn.polyfill.io - urlscan.io

Summary

This website contacted 4 IPs in 1 countries across 2 domains to perform 6 HTTP transactions. The main IP is 151.101.193.26, located in United States and belongs to FASTLY, US. The main domain is cdn.polyfill.io. The Cisco Umbrella rank of the primary domain is 3492.

This is the only time cdn.polyfill.io was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

	IP Address	AS Autonomous System
1 2	151.101.193.26 151.101.193.26	54113 (FASTLY) (FASTLY)
2	151.101.194.209 151.101.194.209	54113 (FASTLY) (FASTLY)
1	2a04:4e42:200... 2a04:4e42:200::282	54113 (FASTLY) (FASTLY)
6	4

2 151.101.193.26 (United States) 1 redirects

ASN54113 (FASTLY, US)

cdn.polyfill.io	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

2 151.101.194.209 (United States)

ASN54113 (FASTLY, US)

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

1 2a04:4e42:200::282 (United States)

ASN54113 (FASTLY, US)

cdn.polyfill.io	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

	Apex Domain Subdomains	Transfer
3	polyfill.io 1 redirects cdn.polyfill.io — Cisco Umbrella Rank: 3492	5 KB
2	ft.com www.ft.com — Cisco Umbrella Rank: 24439	100 KB
6	2

	Domain	Requested by
3	cdn.polyfill.io	1 redirects cdn.polyfill.io
2	www.ft.com	cdn.polyfill.io
6	2

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

Domain
github.com

Subject Issuer	Validity	Valid
*.ft.com GlobalSign Atlas R3 DV TLS CA 2023 Q2	`2023-06-22` - `2024-07-23`	a year	crt.sh
polyfill.io GlobalSign Atlas R3 DV TLS CA 2022 Q4	`2022-12-10` - `2024-01-11`	a year	crt.sh

This page contains 1 frames:

Primary Page: http://cdn.polyfill.io/v3/
Frame ID: D71D61AAFC2D5375E0D8F4E12B9BF7D0
Requests: 6 HTTP requests in this frame

Screenshot
Live screenshot

Full Image

Page Title

Polyfill.io

Page URL History Show full URLs

http://cdn.polyfill.io/ HTTP 301
http://cdn.polyfill.io/v3/ Page URL

Detected technologies

Polyfill (JavaScript Libraries) Expand

Overall confidence: 100%
Detected patterns

^https?://cdn\.polyfill\.io/
/polyfill\.min\.js

Page Statistics

6
Requests

50 %
HTTPS

33 %
IPv6

2
Domains

2
Subdomains

4
IPs

1
Countries

104 kB
Transfer

110 kB
Size

0
Cookies

2 Outgoing links

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

URL: http://github.com/financial-times/polyfill-service
Title: View project on GitHub

Search URL Search Domain Scan URL

URL: https://github.com/Financial-Times/polyfill-service/graphs/contributors
Title: contributors

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.

http://cdn.polyfill.io/ HTTP 301
http://cdn.polyfill.io/v3/ Page URL

Redirected requests

There were HTTP redirect chains for the following requests:

6 HTTP transactions
0 data transactions

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

GET
H/1.1

200
OK

Primary Request / Show response
cdn.polyfill.io/v3/
Redirect Chain

http://cdn.polyfill.io/
http://cdn.polyfill.io/v3/

10 KB
3 KB

162ms
161ms

Document
text/html

151.101.193.26
FASTLY

General

Check archive.org

Download Go to

Full URL

http://cdn.polyfill.io/v3/

Protocol

HTTP/1.1

Server

151.101.193.26 , United States, ASN54113 (FASTLY, US),

Reverse DNS

Software

/

Resource Hash

36061af37a750d42287d7791a63e287f307f2849db8bbfe192d6804bd59e7e54

Security Headers

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

Request headers

Upgrade-Insecure-Requests: 1
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/115.0.5790.102 Safari/537.36
accept-language: zh-SG,zh;q=0.9

Response headers

Accept-Ranges: bytes
Age: 28100
Connection: keep-alive
Content-Length: 2759
Date: Tue, 25 Jul 2023 08:52:19 GMT
Referrer-Policy: origin-when-cross-origin
Server-Timing: HIT-CLUSTER, fastly;desc="Edge time";dur=1
Strict-Transport-Security: max-age=31536000; includeSubdomains; preload
Timing-Allow-Origin: *
X-Content-Type-Options: nosniff
X-XSS-Protection: 1; mode=block
alt-svc: h3=":443";ma=86400,h3-29=":443";ma=86400,h3-27=":443";ma=86400
cache-control: public, s-maxage=31536000, max-age=604800, stale-while-revalidate=604800, stale-if-error=604800, immutable
content-encoding: gzip
content-type: text/html
etag: W/"NgYa83p1DUIofXeRpj4ofzB/KEnbi7/hktaAS9WeflQ="
last-modified: Sun, 23 Jul 2023 01:39:21 GMT

Redirect headers

Accept-Ranges: bytes
Age: 38225
Cache-Control: public, s-maxage=31536000, max-age=604800, stale-while-revalidate=604800, stale-if-error=604800
Connection: keep-alive
Content-Length: 0
Date: Tue, 25 Jul 2023 08:52:19 GMT
Referrer-Policy: origin-when-cross-origin
Server-Timing: HIT, fastly;desc="Edge time";dur=0
Strict-Transport-Security: max-age=31536000; includeSubdomains; preload
Timing-Allow-Origin: *
X-Content-Type-Options: nosniff
alt-svc: h3=":443";ma=86400,h3-29=":443";ma=86400,h3-27=":443";ma=86400
location: /v3/

GET
H2 200 MetricWeb-Semibold.woff
www.ft.com/__origami/service/build/v2/files/o-fonts-assets@1.3.2/ 50 KB
50 KB 666ms
336ms Font
font/woff 151.101.194.209
FASTLY

General

Check archive.org

Download Go to

Full URL

https://www.ft.com/__origami/service/build/v2/files/o-fonts-assets@1.3.2/MetricWeb-Semibold.woff

Requested by

Host: cdn.polyfill.io
URL: http://cdn.polyfill.io/v3/

Protocol

H2

Security

TLS 1.2, ECDHE_RSA, AES_128_GCM

Server

151.101.194.209 , United States, ASN54113 (FASTLY, US),

Reverse DNS

Software

/

Resource Hash

8aaace27bb0d6f4f3d61d12596fed0038a6ca18250e98f71bde9be4eadcf5ab5

Security Headers

Name	Value
Strict-Transport-Security	max-age=63072000; includeSubDomains; preload
X-Content-Type-Options	nosniff

Request headers

Referer: http://cdn.polyfill.io/
Origin: http://cdn.polyfill.io
accept-language: zh-SG,zh;q=0.9
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/115.0.5790.102 Safari/537.36

Response headers

date: Tue, 25 Jul 2023 08:52:19 GMT
strict-transport-security: max-age=63072000; includeSubDomains; preload
x-content-type-options: nosniff
last-modified: Fri, 08 Jul 2022 15:56:57 GMT
age: 430
vary: FT-Site, Accept-Encoding,Origin
content-type: font/woff
access-control-allow-origin: http://cdn.polyfill.io
cache-control: public, max-age=300, stale-while-revalidate=600, stale-if-error=600, s-maxage=600
server-timing: total; dur=26.586586999999998; desc="Total Response Time"
ft-suppress-friendly-error: true
accept-ranges: bytes
content-length: 51558

GET
H2 200 MetricWeb-Regular.woff
www.ft.com/__origami/service/build/v2/files/o-fonts-assets@1.3.2/ 49 KB
49 KB 491ms
161ms Font
font/woff 151.101.194.209
FASTLY

General

Check archive.org

Download Go to

Full URL

https://www.ft.com/__origami/service/build/v2/files/o-fonts-assets@1.3.2/MetricWeb-Regular.woff

Requested by

Host: cdn.polyfill.io
URL: http://cdn.polyfill.io/v3/

Protocol

H2

Security

TLS 1.2, ECDHE_RSA, AES_128_GCM

Server

151.101.194.209 , United States, ASN54113 (FASTLY, US),

Reverse DNS

Software

/

Resource Hash

6696d1217c24fb848514b39dd908a3f645a5122719cf2bf7640ef9cd5da5bd5d

Security Headers

Name	Value
Strict-Transport-Security	max-age=63072000; includeSubDomains; preload
X-Content-Type-Options	nosniff

Request headers

Referer: http://cdn.polyfill.io/
Origin: http://cdn.polyfill.io
accept-language: zh-SG,zh;q=0.9
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/115.0.5790.102 Safari/537.36

Response headers

date: Tue, 25 Jul 2023 08:52:19 GMT
strict-transport-security: max-age=63072000; includeSubDomains; preload
x-content-type-options: nosniff
last-modified: Fri, 08 Jul 2022 15:56:51 GMT
age: 89
vary: FT-Site, Accept-Encoding,Origin
content-type: font/woff
access-control-allow-origin: http://cdn.polyfill.io
cache-control: public, max-age=300, stale-while-revalidate=600, stale-if-error=600, s-maxage=600
server-timing: total; dur=29.557395; desc="Total Response Time"
ft-suppress-friendly-error: true
accept-ranges: bytes
content-length: 50290

GET index.css
cdn.polyfill.io/css/ 0
0

GET
H2 200 polyfill.min.js Show response
cdn.polyfill.io/v3/ 101 B
673 B 8766ms
37ms Script
text/javascript 2a04:4e42:200::282
FASTLY

General

Check archive.org

Download Go to

Full URL

https://cdn.polyfill.io/v3/polyfill.min.js?features=Array.from,Array.isArray,Array.prototype.entries,Array.prototype.filter,Array.prototype.forEach,Array.prototype.includes,Array.prototype.indexOf,Array.prototype.keys,Array.prototype.map,Array.prototype.reduce,ArrayBuffer,console,CustomEvent,document,Element,Function.prototype.bind,JSON,Map,Object.assign,Object.defineProperty,Object.entries,Object.getOwnPropertyDescriptor,Object.keys,Set,String.prototype.includes,String.prototype.trim,Symbol,Symbol.iterator,URLSearchParams,WeakMap,WeakSet

Requested by

Host: cdn.polyfill.io
URL: http://cdn.polyfill.io/v3/

Protocol

H2

Security

TLS 1.3, , AES_128_GCM

Server

2a04:4e42:200::282 , United States, ASN54113 (FASTLY, US),

Reverse DNS

Software

/

Resource Hash

d7f817255acac24d24766a420471f23c0796b5228b84f8432bf70570ed870b72

Security Headers

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

Request headers

accept-language: zh-SG,zh;q=0.9
Referer: http://cdn.polyfill.io/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/115.0.5790.102 Safari/537.36

Response headers

strict-transport-security: max-age=31536000; includeSubdomains; preload
content-encoding: br
x-content-type-options: nosniff
date: Tue, 25 Jul 2023 08:52:28 GMT
age: 18145
detected-user-agent: Chrome/115.0.0
useragent_normaliser: chrome/115.0.0
server-timing: HIT-CLUSTER, fastly;desc="Edge time";dur=1
alt-svc: h3=":443";ma=86400,h3-29=":443";ma=86400,h3-27=":443";ma=86400
content-length: 105
referrer-policy: origin-when-cross-origin
last-modified: Mon, 24 Jul 2023 22:12:52 GMT
fastly_service_version: 222
vary: User-Agent, Accept-Encoding
access-control-allow-methods: GET,HEAD,OPTIONS
content-type: text/javascript; charset=UTF-8
access-control-allow-origin: *
normalized-user-agent: chrome/115.0.0
cache-control: public, s-maxage=31536000, max-age=604800, stale-while-revalidate=604800, stale-if-error=604800, immutable
accept-ranges: bytes
timing-allow-origin: *

GET index.min.js
cdn.polyfill.io/js/ 0
0

Failed requests

These URLs were requested, but there was no response received. You will also see them in the list above.

Domain: cdn.polyfill.io
URL: http://cdn.polyfill.io/css/index.css

Domain: cdn.polyfill.io
URL: http://cdn.polyfill.io/js/index.min.js

Verdicts & Comments Add Verdict or Comment

0 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.

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.

4 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: http://cdn.polyfill.io/css/index.css Message: Failed to load resource: net::ERR_CONTENT_DECODING_FAILED
network	error	URL: http://cdn.polyfill.io/js/index.min.js Message: Failed to load resource: net::ERR_CONTENT_DECODING_FAILED
javascript	warning	URL: http://cdn.polyfill.io/v3/ Message: The resource https://www.ft.com/__origami/service/build/v2/files/o-fonts-assets@1.3.2/MetricWeb-Regular.woff 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: http://cdn.polyfill.io/v3/ Message: The resource https://www.ft.com/__origami/service/build/v2/files/o-fonts-assets@1.3.2/MetricWeb-Semibold.woff 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.

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
X-Xss-Protection	1; mode=block

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.

cdn.polyfill.io
www.ft.com
cdn.polyfill.io
151.101.193.26
151.101.194.209
2a04:4e42:200::282
36061af37a750d42287d7791a63e287f307f2849db8bbfe192d6804bd59e7e54
6696d1217c24fb848514b39dd908a3f645a5122719cf2bf7640ef9cd5da5bd5d
8aaace27bb0d6f4f3d61d12596fed0038a6ca18250e98f71bde9be4eadcf5ab5
d7f817255acac24d24766a420471f23c0796b5228b84f8432bf70570ed870b72

cdn.polyfill.io Open in urlscan Pro 151.101.193.26 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

6 Requests

50 %HTTPS

33 %IPv6

2 Domains

2 Subdomains

4 IPs

1 Countries

104 kBTransfer

110 kBSize

0 Cookies

2 Outgoing links

Page URL History

Redirected requests

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

Request headers

Response headers

Redirect headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Failed requests

Verdicts & Comments Add Verdict or Comment

0 JavaScript Global Variables

0 Cookies

4 Console Messages

Security Headers

Indicators

cdn.polyfill.io Open in urlscan Pro
151.101.193.26 Public Scan

Screenshot
Live screenshot

Full Image

6
Requests

50 %
HTTPS

33 %
IPv6

2
Domains

2
Subdomains

4
IPs

1
Countries

104 kB
Transfer

110 kB
Size

0
Cookies

6 HTTP transactions
0 data transactions