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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 January 20 via manual from IN — 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 1352.
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)
5 151.101.194.209 54113 (FASTLY)
1 2a04:4e42:600... 54113 (FASTLY)
11 3
Apex Domain
Subdomains		 Transfer
7 polyfill.io
polyfill.io — Cisco Umbrella Rank: 1352
cdn.polyfill.io — Cisco Umbrella Rank: 2323
198 KB
5 ft.com
www.ft.com — Cisco Umbrella Rank: 19700
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 Q4		 2023-01-09 -
2024-02-10		 a year crt.sh

This page contains 1 frames:

Primary Page: https://polyfill.io/v3/
Frame ID: BAFA6DC5400A1BD33C985E3545A3BFB7
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

358 kB
Transfer

493 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/109.0.5414.74 Safari/537.36
accept-language
de-DE,de;q=0.9

Response headers

accept-ranges
bytes
age
0
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
content-encoding
gzip
content-length
2495
content-type
text/html; charset=UTF-8
date
Fri, 20 Jan 2023 10:26:51 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
PASS, fastly;desc="Edge time";dur=11
useragent_normaliser
null
vary
Accept-Encoding
x-ua-compatible
ie=edge

Redirect headers

accept-ranges
bytes
alt-svc
h3=":443";ma=86400,h3-29=":443";ma=86400,h3-27=":443";ma=86400
content-length
0
date
Fri, 20 Jan 2023 10:26:51 GMT
location
/v3/
server-timing
PASS, fastly;desc="Edge time";dur=9
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
151.101.194.209 , 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
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/109.0.5414.74 Safari/537.36

Response headers

date
Fri, 20 Jan 2023 10:26:51 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
531
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=29.166936; 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
151.101.194.209 , 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
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/109.0.5414.74 Safari/537.36

Response headers

date
Fri, 20 Jan 2023 10:26:51 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
582
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=25.093401999999998; desc="Total Response Time"
ft-suppress-friendly-error
true
accept-ranges
bytes
content-length
50290
index.css
polyfill.io/css/ 		112 KB
14 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
H3
Security
QUIC, , AES_128_GCM
Server
2a04:4e42:a00::282 , United States, ASN54113 (FASTLY, US),
Reverse DNS
Software
/
Resource Hash
6084e01d51416d77eef26bf6b6e2102cb3d4b8963396c95cbf7063e441abc4e9

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/109.0.5414.74 Safari/537.36

Response headers

date
Fri, 20 Jan 2023 10:26:51 GMT
content-encoding
gzip
last-modified
Tue, 10 Jan 2023 10:46:25 GMT
age
0
etag
W/"1c1ad-1859b49d3e8"
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
PASS, fastly;desc="Edge time";dur=13
accept-ranges
bytes
alt-svc
h3=":443";ma=86400,h3-29=":443";ma=86400,h3-27=":443";ma=86400
content-length
13619
polyfill.min.js
cdn.polyfill.io/v3/ 		101 B
462 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/109.0.5414.74 Safari/537.36

Response headers

date
Fri, 20 Jan 2023 10:26:51 GMT
content-encoding
br
last-modified
Mon, 16 Jan 2023 13:35:35 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/109.0.0
server-timing
PASS, fastly;desc="Edge time";dur=25
accept-ranges
bytes
alt-svc
h3=":443";ma=86400,h3-29=":443";ma=86400,h3-27=":443";ma=86400
content-length
94
index.min.js
polyfill.io/js/ 		43 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
H3
Security
QUIC, , AES_128_GCM
Server
2a04:4e42:a00::282 , United States, ASN54113 (FASTLY, US),
Reverse DNS
Software
/
Resource Hash
678527eff268c13a897cf619643cf0f77daccc3b179885377a377797352cb707

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/109.0.5414.74 Safari/537.36

Response headers

date
Fri, 20 Jan 2023 10:26:51 GMT
content-encoding
gzip
last-modified
Tue, 10 Jan 2023 10:46:25 GMT
age
0
etag
W/"aa53-1859b49d3e8"
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
PASS, fastly;desc="Edge time";dur=15
accept-ranges
bytes
alt-svc
h3=":443";ma=86400,h3-29=":443";ma=86400,h3-27=":443";ma=86400
content-length
12332
logo.svg
polyfill.io/img/ 		283 B
577 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
H3
Security
QUIC, , 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/109.0.5414.74 Safari/537.36

Response headers

date
Fri, 20 Jan 2023 10:26:51 GMT
last-modified
Tue, 10 Jan 2023 10:38:45 GMT
age
0
etag
W/"11b-1859b42cf08"
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
PASS, fastly;desc="Edge time";dur=13
accept-ranges
bytes
alt-svc
h3=":443";ma=86400,h3-29=":443";ma=86400,h3-27=":443";ma=86400
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
H3
Security
QUIC, , 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/109.0.5414.74 Safari/537.36

Response headers

date
Fri, 20 Jan 2023 10:26:51 GMT
last-modified
Tue, 10 Jan 2023 10:38:45 GMT
age
0
etag
W/"2a054-1859b42cf08"
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
PASS, fastly;desc="Edge time";dur=13
accept-ranges
bytes
alt-svc
h3=":443";ma=86400,h3-29=":443";ma=86400,h3-27=":443";ma=86400
content-length
172116
font
www.ft.com/__origami/service/build/v3/ 		30 KB
31 KB 		Font
General
Check archive.org
Download Go to
Full URL
https://www.ft.com/__origami/service/build/v3/font?version=1.12&font_name=MetricWeb-Semibold&system_code=origami&font_format=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
151.101.194.209 , United States, ASN54113 (FASTLY, US),
Reverse DNS
Software
/
Resource Hash
2d29f56691db39f980cbe5d600355b9fe1173563106aed67cf6bd3368af8f3af
Security Headers
Name Value
Strict-Transport-Security max-age=63072000; includeSubDomains; preload

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/109.0.5414.74 Safari/537.36

Response headers

date
Fri, 20 Jan 2023 10:26:51 GMT
strict-transport-security
max-age=63072000; includeSubDomains; preload
last-modified
Fri, 20 Jan 2023 01:19:47 GMT
age
32823
etag
W/"79ac-185ccc2a818"
vary
Origin
content-type
font/woff2
access-control-allow-origin
https://polyfill.io
cache-control
public, max-age=86400, stale-if-error=604800, stale-while-revalidate=300000
server-timing
total; dur=11132.063549; desc="Total Response Time"
ft-suppress-friendly-error
true
accept-ranges
bytes
content-length
31148
font
www.ft.com/__origami/service/build/v3/ 		28 KB
29 KB 		Font
General
Check archive.org
Download Go to
Full URL
https://www.ft.com/__origami/service/build/v3/font?version=1.12&font_name=MetricWeb-Regular&system_code=origami&font_format=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
151.101.194.209 , United States, ASN54113 (FASTLY, US),
Reverse DNS
Software
/
Resource Hash
8ef66d8994585d8486b906d00462cbc9c0fd80482a381e3fdb237bac1bf18b59
Security Headers
Name Value
Strict-Transport-Security max-age=63072000; includeSubDomains; preload

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/109.0.5414.74 Safari/537.36

Response headers

date
Fri, 20 Jan 2023 10:26:51 GMT
strict-transport-security
max-age=63072000; includeSubDomains; preload
last-modified
Fri, 20 Jan 2023 01:19:37 GMT
age
32834
etag
W/"71c0-185ccc2817c"
vary
Origin
content-type
font/woff2
access-control-allow-origin
https://polyfill.io
cache-control
public, max-age=86400, stale-if-error=604800, stale-while-revalidate=300000
server-timing
total; dur=8663.143643; 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
151.101.194.209 , 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/109.0.5414.74 Safari/537.36

Response headers

date
Fri, 20 Jan 2023 10:26:51 GMT
content-encoding
gzip
strict-transport-security
max-age=63072000; includeSubDomains; preload
last-modified
Mon, 14 Sep 2020 18:45:31 GMT
age
884799
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.