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 2a04:4e42:e00::282, located in United States and belongs to FASTLY, US. The main domain is polyfill.io. The Cisco Umbrella rank of the primary domain is 1768.

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

urlscan.io Verdict: No classification

Domain & IP information

	IP Address	AS Autonomous System
1 3	2a04:4e42:e00... 2a04:4e42:e00::282	54113 (FASTLY) (FASTLY)
2	151.101.2.209 151.101.2.209	54113 (FASTLY) (FASTLY)
1	2a04:4e42:200... 2a04:4e42:200::282	54113 (FASTLY) (FASTLY)
6	4

3 2a04:4e42:e00::282 (United States) 1 redirects

ASN54113 (FASTLY, US)

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

2 151.101.2.209 (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
4	polyfill.io 1 redirects polyfill.io — Cisco Umbrella Rank: 1768 cdn.polyfill.io — Cisco Umbrella Rank: 3460	20 KB
2	ft.com www.ft.com — Cisco Umbrella Rank: 19616	100 KB
6	2

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

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://polyfill.io/v3/
Frame ID: A39CE14BA475085D9F8D7BD78EA23A6B
Requests: 6 HTTP requests in this frame

Screenshot
Live screenshot

Full Image

Page Title

Polyfill.io

Page URL History Show full URLs

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

Detected technologies

Prototype (JavaScript Frameworks) Expand

Overall confidence: 100%
Detected patterns

(?:prototype|protoaculous)(?:-([\d.]*[\d]))?.*\.js

Polyfill (JavaScript Libraries) Expand

Overall confidence: 100%
Detected patterns

/polyfill\.min\.js

Page Statistics

6
Requests

50 %
HTTPS

67 %
IPv6

2
Domains

3
Subdomains

4
IPs

1
Countries

120 kB
Transfer

154 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://polyfill.io/ HTTP 301
http://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
polyfill.io/v3/
Redirect Chain

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

11 KB
4 KB

185ms
184ms

Document
text/html

2a04:4e42:e00::282
FASTLY

General

Check archive.org

Show headers Download Go to

Full URL

http://polyfill.io/v3/

Protocol

HTTP/1.1

Server

2a04:4e42:e00::282 , United States, ASN54113 (FASTLY, US),

Reverse DNS

Software

/

Resource Hash

f9ed55accb7ca97dbf2270260914157c35b4f48ffa42821907b0cdb4abee4cf1

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/114.0.5735.198 Safari/537.36
accept-language: en-GB,en;q=0.9

Response headers

Accept-Ranges: bytes
Age: 489535
Connection: keep-alive
Content-Length: 2962
Date: Tue, 04 Jul 2023 15:48:35 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
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/"+e1VrMt8qX2/InAmCRQVfDW09I/6QoIZB7DNtKvuTPE="
last-modified: Fri, 05 May 2023 10:46:15 GMT

Redirect headers

Accept-Ranges: bytes
Age: 36543
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, 04 Jul 2023 15:48:35 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
51 KB 92ms
25ms Font
font/woff 151.101.2.209
FASTLY

General

Check archive.org

Show headers 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: polyfill.io
URL: http://polyfill.io/v3/

Protocol

H2

Security

TLS 1.2, ECDHE_RSA, AES_128_GCM

Server

151.101.2.209 , 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://polyfill.io/
Origin: http://polyfill.io
accept-language: en-GB,en;q=0.9
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.5735.198 Safari/537.36

Response headers

date: Tue, 04 Jul 2023 15:48:35 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: 568
vary: FT-Site, Accept-Encoding,Origin
content-type: font/woff
access-control-allow-origin: http://polyfill.io
cache-control: public, max-age=300, stale-while-revalidate=600, stale-if-error=600, s-maxage=600
server-timing: total; dur=36.591254; 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 130ms
64ms Font
font/woff 151.101.2.209
FASTLY

General

Check archive.org

Show headers 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: polyfill.io
URL: http://polyfill.io/v3/

Protocol

H2

Security

TLS 1.2, ECDHE_RSA, AES_128_GCM

Server

151.101.2.209 , 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://polyfill.io/
Origin: http://polyfill.io
accept-language: en-GB,en;q=0.9
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.5735.198 Safari/537.36

Response headers

date: Tue, 04 Jul 2023 15:48:35 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: 284
vary: FT-Site, Accept-Encoding,Origin
content-type: font/woff
access-control-allow-origin: http://polyfill.io
cache-control: public, max-age=300, stale-while-revalidate=600, stale-if-error=600, s-maxage=600
server-timing: total; dur=79.97455599999999; desc="Total Response Time"
ft-suppress-friendly-error: true
accept-ranges: bytes
content-length: 50290

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

GET
H2 200 polyfill.min.js Show response
cdn.polyfill.io/v3/ 101 B
675 B 98ms
26ms Script
text/javascript 2a04:4e42:200::282
FASTLY

General

Check archive.org

Show headers 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: polyfill.io
URL: http://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: en-GB,en;q=0.9
Referer: http://polyfill.io/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.5735.198 Safari/537.36

Response headers

strict-transport-security: max-age=31536000; includeSubdomains; preload
content-encoding: br
x-content-type-options: nosniff
date: Tue, 04 Jul 2023 15:48:35 GMT
age: 543739
detected-user-agent: Chrome/114.0.0
useragent_normaliser: chrome/114.0.0
server-timing: HIT-CLUSTER, fastly;desc="Edge time";dur=2
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: Tue, 20 Jun 2023 23:08:32 GMT
fastly_service_version: 202
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/114.0.0
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
H/1.1 200
OK index.min.js Show response
polyfill.io/js/ 43 KB
16 KB 414ms
208ms Script
application/javascript 2a04:4e42:e00::282
FASTLY

General

Check archive.org

Show headers Download Go to

Full URL

http://polyfill.io/js/index.min.js

Requested by

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

Protocol

HTTP/1.1

Server

2a04:4e42:e00::282 , United States, ASN54113 (FASTLY, US),

Reverse DNS

Software

/

Resource Hash

59f643c545aa5ddf300aab7d13704ce2d5c3cc45d98b9e625ab5071e62a9bb58

Security Headers

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

Request headers

accept-language: en-GB,en;q=0.9
Referer: http://polyfill.io/v3/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.5735.198 Safari/537.36

Response headers

Strict-Transport-Security: max-age=31536000; includeSubdomains; preload
content-encoding: gzip
X-Content-Type-Options: nosniff
Date: Tue, 04 Jul 2023 15:48:36 GMT
Age: 569689
Connection: keep-alive
Server-Timing: HIT-CLUSTER, fastly;desc="Edge time";dur=3
alt-svc: h3=":443";ma=86400,h3-29=":443";ma=86400,h3-27=":443";ma=86400
Content-Length: 15167
Referrer-Policy: origin-when-cross-origin
last-modified: Fri, 05 May 2023 10:46:18 GMT
etag: W/"WfZDxUWqXd8wCqt9E3BM4tXDzEXZi55iWrUHHmKpu1g="
content-type: application/javascript
cache-control: public, s-maxage=31536000, max-age=604800, stale-while-revalidate=604800, stale-if-error=604800, immutable
Accept-Ranges: bytes
Timing-Allow-Origin: *

Failed requests

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

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

Verdicts & Comments Add Verdict or Comment

3 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 object| onbeforetoggle object| onscrollend

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.

3 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://polyfill.io/css/index.css Message: Failed to load resource: net::ERR_CONTENT_DECODING_FAILED
javascript	warning	URL: http://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://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
polyfill.io
www.ft.com
polyfill.io
151.101.2.209
2a04:4e42:200::282
2a04:4e42:e00::282
59f643c545aa5ddf300aab7d13704ce2d5c3cc45d98b9e625ab5071e62a9bb58
6696d1217c24fb848514b39dd908a3f645a5122719cf2bf7640ef9cd5da5bd5d
8aaace27bb0d6f4f3d61d12596fed0038a6ca18250e98f71bde9be4eadcf5ab5
d7f817255acac24d24766a420471f23c0796b5228b84f8432bf70570ed870b72
f9ed55accb7ca97dbf2270260914157c35b4f48ffa42821907b0cdb4abee4cf1

polyfill.io Open in urlscan Pro 2a04:4e42:e00::282 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

67 %IPv6

2 Domains

3 Subdomains

4 IPs

1 Countries

120 kBTransfer

154 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

Request headers

Response headers

Failed requests

Verdicts & Comments Add Verdict or Comment

3 JavaScript Global Variables

0 Cookies

3 Console Messages

Security Headers

Indicators

polyfill.io Open in urlscan Pro
2a04:4e42:e00::282 Public Scan

Screenshot
Live screenshot

Full Image

6
Requests

50 %
HTTPS

67 %
IPv6

2
Domains

3
Subdomains

4
IPs

1
Countries

120 kB
Transfer

154 kB
Size

0
Cookies

6 HTTP transactions
0 data transactions