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polyfill.io Open in urlscan Pro
2a04:4e42:a00::282  Public Scan

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Submitted URL: http://polyfill.io/
Effective URL: https://polyfill.io/v3/
Submission: On December 20 via manual from VI — Scanned from DE
 Behaviour Indicators
Similar DOM Content API
Verdicts

Summary

This website contacted 3 IPs in 1 countries across 2 domains to perform 11 HTTP transactions. The main IP is 2a04:4e42:a00::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 1392.
TLS certificate: Issued by GlobalSign Atlas R3 DV TLS CA 2022 Q4 on December 10th 2022. Valid for: a year.
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 6 2a04:4e42:a00... 54113 (FASTLY)
5 151.101.66.209 54113 (FASTLY)
1 2a04:4e42:600... 54113 (FASTLY)
11 3
Apex Domain
Subdomains		 Transfer
7 polyfill.io
polyfill.io — Cisco Umbrella Rank: 1392
cdn.polyfill.io — Cisco Umbrella Rank: 2326
197 KB
5 ft.com
www.ft.com — Cisco Umbrella Rank: 5768
160 KB
11 2
Domain Requested by
6 polyfill.io 1 redirects polyfill.io
5 www.ft.com polyfill.io
1 cdn.polyfill.io polyfill.io
11 3

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

Domain
github.com
Subject Issuer Validity Valid
polyfill.io
GlobalSign Atlas R3 DV TLS CA 2022 Q4		 2022-12-10 -
2024-01-11		 a year crt.sh
*.ft.com
GlobalSign Atlas R3 DV TLS CA 2022 Q1		 2022-04-04 -
2023-05-06		 a year crt.sh

This page contains 1 frames:

Primary Page: https://polyfill.io/v3/
Frame ID: 9AE818A3195E071451FE9D02A1F8A4E7
Requests: 11 HTTP requests in this frame

Screenshot
Live screenshot
Full Image

Page Title

Polyfill.io

Page URL History Show full URLs

  1. http://polyfill.io/ HTTP 307
    https://polyfill.io/ HTTP 301
    https://polyfill.io/v3/ Page URL

Detected technologies

Overall confidence: 100%
Detected patterns
  • (?:prototype|protoaculous)(?:-([\d.]*[\d]))?.*\.js
Overall confidence: 100%
Detected patterns
  • /polyfill\.min\.js

Page Statistics

11
Requests

100 %
HTTPS

67 %
IPv6

2
Domains

3
Subdomains

3
IPs

1
Countries

356 kB
Transfer

486 kB
Size

0
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://polyfill.io/ HTTP 307
    https://polyfill.io/ HTTP 301
    https://polyfill.io/v3/ Page URL

Redirected requests

There were HTTP redirect chains for the following requests:

11 HTTP transactions

Resource
Path		 Size
x-fer		 Type
MIME-Type
Primary Request /
polyfill.io/v3/
Redirect Chain
  • http://polyfill.io/
  • https://polyfill.io/
  • https://polyfill.io/v3/
10 KB
3 KB 		Document
General
Check archive.org
Download Go to
Full URL
https://polyfill.io/v3/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a04:4e42:a00::282 , United States, ASN54113 (FASTLY, US),
Reverse DNS
Software
/
Resource Hash
b12c050691dbceaaaeab612cc63b73753dfdefd7caa8434b4552c8c1e3575f8f

Request headers

Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/108.0.5359.124 Safari/537.36
accept-language
de-DE,de;q=0.9

Response headers

accept-ranges
bytes
age
0
cache-control
public, s-maxage=31536000, max-age=604800, stale-while-revalidate=604800, stale-if-error=604800
content-encoding
gzip
content-length
2495
content-type
text/html; charset=UTF-8
date
Tue, 20 Dec 2022 15:53:11 GMT
etag
W/"2995-18025511b10"
last-modified
Wed, 13 Apr 2022 23:45:14 GMT
link
<https://www.ft.com/__origami/service/build/v2/files/o-fonts-assets@1.3.2/MetricWeb-Semibold.woff>; rel=preload; as=font; crossorigin=anonymous, <https://www.ft.com/__origami/service/build/v2/files/o-fonts-assets@1.3.2/MetricWeb-Regular.woff>; rel=preload; as=font; crossorigin=anonymous
server-timing
cache-hhn-etou8220044 PASS, fastly;desc="Edge time";dur=7
useragent_normaliser
null
vary
Accept-Encoding
x-ua-compatible
ie=edge

Redirect headers

accept-ranges
bytes
content-length
24
content-type
text/plain;charset=UTF-8
date
Tue, 20 Dec 2022 15:53:11 GMT
location
/v3/
server-timing
cache-hhn-etou8220044 PASS, fastly;desc="Edge time";dur=4
MetricWeb-Semibold.woff
www.ft.com/__origami/service/build/v2/files/o-fonts-assets@1.3.2/ 		50 KB
50 KB 		Font
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
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
151.101.66.209 , 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
https://polyfill.io/
Origin
https://polyfill.io
accept-language
de-DE,de;q=0.9
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/108.0.5359.124 Safari/537.36

Response headers

date
Tue, 20 Dec 2022 15:53:11 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
328
vary
FT-Site, Accept-Encoding,Origin
content-type
font/woff
access-control-allow-origin
https://polyfill.io
cache-control
public, max-age=300, stale-while-revalidate=600, stale-if-error=600, s-maxage=600
server-timing
total; dur=37.131288; desc="Total Response Time"
ft-suppress-friendly-error
true
accept-ranges
bytes
content-length
51558
MetricWeb-Regular.woff
www.ft.com/__origami/service/build/v2/files/o-fonts-assets@1.3.2/ 		49 KB
49 KB 		Font
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
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
151.101.66.209 , 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
https://polyfill.io/
Origin
https://polyfill.io
accept-language
de-DE,de;q=0.9
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/108.0.5359.124 Safari/537.36

Response headers

date
Tue, 20 Dec 2022 15:53:11 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
72
vary
FT-Site, Accept-Encoding,Origin
content-type
font/woff
access-control-allow-origin
https://polyfill.io
cache-control
public, max-age=300, stale-while-revalidate=600, stale-if-error=600, s-maxage=600
server-timing
total; dur=34.655982; desc="Total Response Time"
ft-suppress-friendly-error
true
accept-ranges
bytes
content-length
50290
index.css
polyfill.io/css/ 		106 KB
13 KB 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://polyfill.io/css/index.css
Requested by
Host: polyfill.io
URL: https://polyfill.io/v3/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a04:4e42:a00::282 , United States, ASN54113 (FASTLY, US),
Reverse DNS
Software
/
Resource Hash
81c1214d9362667c6bba1518c0e49681e8f53a61eff6fdcbbbb8db91a63fffc1

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://polyfill.io/v3/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/108.0.5359.124 Safari/537.36

Response headers

date
Tue, 20 Dec 2022 15:53:11 GMT
content-encoding
gzip
last-modified
Wed, 13 Apr 2022 23:45:18 GMT
age
0
etag
W/"1a9ba-18025512ab0"
vary
Accept-Encoding
content-type
text/css; charset=UTF-8
cache-control
public, s-maxage=31536000, max-age=604800, stale-while-revalidate=604800, stale-if-error=604800
useragent_normaliser
null
server-timing
cache-hhn-etou8220044, PASS, fastly;desc="Edge time";dur=7
accept-ranges
bytes
content-length
13059
polyfill.min.js
cdn.polyfill.io/v3/ 		101 B
422 B 		Script
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: polyfill.io
URL: https://polyfill.io/v3/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a04:4e42:600::282 , United States, ASN54113 (FASTLY, US),
Reverse DNS
Software
/
Resource Hash
d7f817255acac24d24766a420471f23c0796b5228b84f8432bf70570ed870b72

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://polyfill.io/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/108.0.5359.124 Safari/537.36

Response headers

date
Tue, 20 Dec 2022 15:53:11 GMT
content-encoding
br
last-modified
Fri, 09 Dec 2022 22:46:50 GMT
age
0
vary
User-Agent, Accept-Encoding
access-control-allow-methods
GET,HEAD,OPTIONS
content-type
text/javascript; charset=utf-8
access-control-allow-origin
*
cache-control
public, s-maxage=31536000, max-age=604800, stale-while-revalidate=604800, stale-if-error=604800
useragent_normaliser
chrome/108.0.0
server-timing
cache-hhn-etou8220072, PASS, fastly;desc="Edge time";dur=12
accept-ranges
bytes
content-length
94
index.min.js
polyfill.io/js/ 		42 KB
12 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://polyfill.io/js/index.min.js
Requested by
Host: polyfill.io
URL: https://polyfill.io/v3/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a04:4e42:a00::282 , United States, ASN54113 (FASTLY, US),
Reverse DNS
Software
/
Resource Hash
953e364c886b304bc2d460c88f74554d8bf77ebf142f3e8fcf4368c4502dc580

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://polyfill.io/v3/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/108.0.5359.124 Safari/537.36

Response headers

date
Tue, 20 Dec 2022 15:53:11 GMT
content-encoding
gzip
last-modified
Wed, 13 Apr 2022 23:45:18 GMT
age
0
etag
W/"a752-18025512ab0"
vary
Accept-Encoding
content-type
application/javascript; charset=UTF-8
cache-control
public, s-maxage=31536000, max-age=604800, stale-while-revalidate=604800, stale-if-error=604800
useragent_normaliser
null
server-timing
cache-hhn-etou8220044, PASS, fastly;desc="Edge time";dur=7
accept-ranges
bytes
content-length
12061
logo.svg
polyfill.io/img/ 		283 B
347 B 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://polyfill.io/img/logo.svg
Requested by
Host: polyfill.io
URL: https://polyfill.io/css/index.css
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a04:4e42:a00::282 , United States, ASN54113 (FASTLY, US),
Reverse DNS
Software
/
Resource Hash
d02f73ecd9e7ea6d737f0cbf9aca23855dc5dc7b78443494f1e61c29c29914f1

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://polyfill.io/css/index.css
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/108.0.5359.124 Safari/537.36

Response headers

date
Tue, 20 Dec 2022 15:53:11 GMT
last-modified
Wed, 13 Apr 2022 23:37:50 GMT
age
0
etag
W/"11b-180254a54b0"
vary
Accept-Encoding
content-type
image/svg+xml
cache-control
public, s-maxage=31536000, max-age=604800, stale-while-revalidate=604800, stale-if-error=604800
useragent_normaliser
null
server-timing
cache-hhn-etou8220044, PASS, fastly;desc="Edge time";dur=9
accept-ranges
bytes
content-length
283
home-page-hero.jpg
polyfill.io/img/ 		168 KB
168 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://polyfill.io/img/home-page-hero.jpg
Requested by
Host: polyfill.io
URL: https://polyfill.io/css/index.css
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a04:4e42:a00::282 , United States, ASN54113 (FASTLY, US),
Reverse DNS
Software
/
Resource Hash
08f193a191fd6d4319b975a30806d959a08b654a9bc6ab719fc13163d60160d6

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://polyfill.io/css/index.css
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/108.0.5359.124 Safari/537.36

Response headers

date
Tue, 20 Dec 2022 15:53:11 GMT
last-modified
Wed, 13 Apr 2022 23:37:50 GMT
age
0
etag
W/"2a054-180254a54b0"
vary
Accept-Encoding
content-type
image/jpeg
cache-control
public, s-maxage=31536000, max-age=604800, stale-while-revalidate=604800, stale-if-error=604800
useragent_normaliser
null
server-timing
cache-hhn-etou8220044, PASS, fastly;desc="Edge time";dur=9
accept-ranges
bytes
content-length
172116
MetricWeb-Semibold.woff2
www.ft.com/__origami/service/build/v2/files/o-fonts-assets@1.7.0/ 		30 KB
31 KB 		Font
General
Check archive.org
Download Go to
Full URL
https://www.ft.com/__origami/service/build/v2/files/o-fonts-assets@1.7.0/MetricWeb-Semibold.woff2
Requested by
Host: polyfill.io
URL: https://polyfill.io/css/index.css
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
151.101.66.209 , United States, ASN54113 (FASTLY, US),
Reverse DNS
Software
/
Resource Hash
2d29f56691db39f980cbe5d600355b9fe1173563106aed67cf6bd3368af8f3af
Security Headers
Name Value
Strict-Transport-Security max-age=63072000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

Referer
https://polyfill.io/
Origin
https://polyfill.io
accept-language
de-DE,de;q=0.9
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/108.0.5359.124 Safari/537.36

Response headers

date
Tue, 20 Dec 2022 15:53:11 GMT
strict-transport-security
max-age=63072000; includeSubDomains; preload
x-content-type-options
nosniff
last-modified
Fri, 08 Jul 2022 15:56:59 GMT
age
69
vary
FT-Site, Accept-Encoding,Origin
content-type
font/woff2
access-control-allow-origin
https://polyfill.io
cache-control
public, max-age=300, stale-while-revalidate=600, stale-if-error=600, s-maxage=600
server-timing
total; dur=34.195687; desc="Total Response Time"
ft-suppress-friendly-error
true
accept-ranges
bytes
content-length
31148
MetricWeb-Regular.woff2
www.ft.com/__origami/service/build/v2/files/o-fonts-assets@1.7.0/ 		28 KB
29 KB 		Font
General
Check archive.org
Download Go to
Full URL
https://www.ft.com/__origami/service/build/v2/files/o-fonts-assets@1.7.0/MetricWeb-Regular.woff2
Requested by
Host: polyfill.io
URL: https://polyfill.io/css/index.css
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
151.101.66.209 , United States, ASN54113 (FASTLY, US),
Reverse DNS
Software
/
Resource Hash
8ef66d8994585d8486b906d00462cbc9c0fd80482a381e3fdb237bac1bf18b59
Security Headers
Name Value
Strict-Transport-Security max-age=63072000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

Referer
https://polyfill.io/
Origin
https://polyfill.io
accept-language
de-DE,de;q=0.9
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/108.0.5359.124 Safari/537.36

Response headers

date
Tue, 20 Dec 2022 15:53:11 GMT
strict-transport-security
max-age=63072000; includeSubDomains; preload
x-content-type-options
nosniff
last-modified
Fri, 08 Jul 2022 15:56:59 GMT
age
320
vary
FT-Site, Accept-Encoding,Origin
content-type
font/woff2
access-control-allow-origin
https://polyfill.io
cache-control
public, max-age=300, stale-while-revalidate=600, stale-if-error=600, s-maxage=600
server-timing
total; dur=34.320496999999996; desc="Total Response Time"
ft-suppress-friendly-error
true
accept-ranges
bytes
content-length
29120
ftsocial-v2%3Agithub
www.ft.com/__origami/service/image/v2/images/raw/ 		805 B
840 B 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://www.ft.com/__origami/service/image/v2/images/raw/ftsocial-v2%3Agithub?source=origami-polyfill-service&tint=000000&format=svg
Requested by
Host: polyfill.io
URL: https://polyfill.io/css/index.css
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
151.101.66.209 , United States, ASN54113 (FASTLY, US),
Reverse DNS
Software
/
Resource Hash
1fd07735c631cfb498b5472fd442f2225d219516bc386ee29308eb6cf459c045
Security Headers
Name Value
Strict-Transport-Security max-age=63072000; includeSubDomains; preload

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://polyfill.io/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/108.0.5359.124 Safari/537.36

Response headers

date
Tue, 20 Dec 2022 15:53:11 GMT
content-encoding
gzip
strict-transport-security
max-age=63072000; includeSubDomains; preload
last-modified
Mon, 14 Sep 2020 18:45:31 GMT
age
2960534
etag
"ebe6f0a7a3df845e333805aeabcd1de1"
vary
Content-Dpr, Accept, FT-Site, Accept-Encoding, FT-Site
content-type
image/svg+xml
access-control-allow-origin
*
cache-control
public, max-age=604800, stale-while-revalidate=604800, stale-if-error=604800
server-timing
HIT, fastly;desc="Edge time";dur=0, HIT-CLUSTER, fastly;desc="Edge time";dur=1
ft-suppress-friendly-error
true
timing-allow-origin
*
accept-ranges
bytes
content-length
454

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.

object| oncontentvisibilityautostatechange

0 Cookies

2 Console Messages

Source Level URL
Text
javascript warning URL: https://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.
javascript warning URL: https://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.