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polyfill.io Open in urlscan Pro
2a04:4e42::621  Public Scan

Go To Rescan Add Verdict Report
Submitted URL: http://polyfill.io/
Effective URL: https://polyfill.io/v3/
Submission: On August 28 via manual from CA
 Behaviour Indicators
Similar DOM Content API
Verdicts

Summary

This website contacted 3 IPs in 1 countries across 2 domains to perform 9 HTTP transactions. The main IP is 2a04:4e42::621, located in Ascension Island and belongs to FASTLY - Fastly, US. The main domain is polyfill.io.
TLS certificate: Issued by GlobalSign CloudSSL CA - SHA256 - G3 on May 29th 2019. 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::621 54113 (FASTLY)
1 2a04:4e42:3::621 54113 (FASTLY)
9 3
Apex Domain
Subdomains		 Transfer
7 polyfill.io
polyfill.io
cdn.polyfill.io
43 KB
0 ft.com Failed
www.ft.com Failed
9 2
Domain Requested by
6 polyfill.io 1 redirects polyfill.io
1 cdn.polyfill.io polyfill.io
0 www.ft.com Failed polyfill.io
9 3

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

Domain
github.com
Subject Issuer Validity Valid
f3.shared.global.fastly.net
GlobalSign CloudSSL CA - SHA256 - G3		 2019-05-29 -
2020-04-23		 a year crt.sh

This page contains 1 frames:

Primary Page: https://polyfill.io/v3/
Frame ID: 78FA236DD3B8EFC942835B4B4B675DEC
Requests: 9 HTTP requests in this frame

Screenshot
Live screenshot
Full Image

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

Page Statistics

9
Requests

67 %
HTTPS

100 %
IPv6

2
Domains

3
Subdomains

3
IPs

1
Countries

43 kB
Transfer

195 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:

9 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/
4 KB
2 KB 		Document
General
Check archive.org
Download Go to
Full URL
https://polyfill.io/v3/
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
2a04:4e42::621 , Ascension Island, ASN54113 (FASTLY - Fastly, US),
Reverse DNS
Software
/
Resource Hash
c5473589b627df21caf064f48e966f6d80508a0de9347c12e4ee1348fad9f9ec
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

:method
GET
:authority
polyfill.io
:scheme
https
:path
/v3/
pragma
no-cache
cache-control
no-cache
upgrade-insecure-requests
1
user-agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36
accept
text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3
sec-fetch-site
none
accept-encoding
gzip, deflate, br
Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36

Response headers

status
200
cache-control
public, s-maxage=31536000, max-age=604800, stale-while-revalidate=604800, stale-if-error=604800
last-modified
Thu, 01 Aug 2019 09:52:58 GMT
etag
W/"115a-16c4c98cc90"
content-type
text/html; charset=UTF-8
x-ua-compatible
ie=edge
link
<https://www.ft.com/__origami/service/build/v2/files/o-fonts-assets@1.3.2/MetricWeb-Semibold.woff>; rel=preload; as=font; crossorigin <https://www.ft.com/__origami/service/build/v2/files/o-fonts-assets@1.3.2/MetricWeb-Regular.woff>; rel=preload; as=font; crossorigin
content-encoding
gzip
server-timing
HIT-CLUSTER, fastly;desc="Edge time";dur=1 HIT, fastly;desc="Edge time";dur=0
request_came_from_shield
FRA
x-xss-protection
1; mode=block
x-content-type-options
nosniff
strict-transport-security
max-age=31536000; includeSubdomains; preload
referrer-policy
origin-when-cross-origin
timing-allow-origin
*
accept-ranges
bytes
date
Wed, 28 Aug 2019 20:29:32 GMT
age
1052423
vary
Accept-Encoding
content-length
1700

Redirect headers

status
301
retry-after
0
location
/v3/
accept-ranges
bytes
date
Wed, 28 Aug 2019 20:29:32 GMT
server-timing
HIT-SYNTH, fastly;desc="Edge time";dur=0
content-length
0
MetricWeb-Semibold.woff
www.ft.com/__origami/service/build/v2/files/o-fonts-assets@1.3.2/ 		0
0
MetricWeb-Regular.woff
www.ft.com/__origami/service/build/v2/files/o-fonts-assets@1.3.2/ 		0
0
css.8f1e3b0d.css
polyfill.io/v3/ 		85 KB
12 KB 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://polyfill.io/v3/css.8f1e3b0d.css
Requested by
Host: polyfill.io
URL: https://polyfill.io/v3/
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
2a04:4e42::621 , Ascension Island, ASN54113 (FASTLY - Fastly, US),
Reverse DNS
Software
/
Resource Hash
37bcd2314b96697461bd7f4f1b19399c4b9f2b853e9a2d2d7c0ed9168cdae298
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubdomains; preload
X-Content-Type-Options nosniff

Request headers

Sec-Fetch-Mode
no-cors
Referer
https://polyfill.io/v3/
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36

Response headers

strict-transport-security
max-age=31536000; includeSubdomains; preload
content-encoding
gzip
x-content-type-options
nosniff
age
1052422
status
200
request_came_from_shield
FRA
server-timing
HIT-CLUSTER, fastly;desc="Edge time";dur=0, HIT-CLUSTER, fastly;desc="Edge time";dur=1
content-length
12183
etag
W/"15590-16c4c98cc90"
referrer-policy
origin-when-cross-origin
last-modified
Thu, 01 Aug 2019 09:52:58 GMT
date
Wed, 28 Aug 2019 20:29:32 GMT
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
accept-ranges
bytes
timing-allow-origin
*
polyfill.min.js
cdn.polyfill.io/v3/ 		16 KB
4 KB 		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 1.2, ECDHE_RSA, AES_128_GCM
Server
2a04:4e42:3::621 , Ascension Island, ASN54113 (FASTLY - Fastly, US),
Reverse DNS
Software
/
Resource Hash
60f97c27bce70ce281e5a0af668e253e7c877844e55519b878aad087f8be954f
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubdomains; preload
X-Content-Type-Options nosniff

Request headers

Sec-Fetch-Mode
no-cors
Referer
https://polyfill.io/
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36

Response headers

strict-transport-security
max-age=31536000; includeSubdomains; preload
content-encoding
br
x-content-type-options
nosniff
content-type
text/javascript; charset=utf-8
age
988832
detected-user-agent
Chrome/74.0.3729
status
200
request_came_from_shield
FRA
server-timing
HIT-CLUSTER, fastly;desc="Edge time";dur=1, MISS-CLUSTER, fastly;desc="Edge time";dur=12
content-length
3788
etag
W/"ecc-z+LA94BiMAsnTmUeuKZ1QrCd/Pc"
referrer-policy
origin-when-cross-origin
date
Wed, 28 Aug 2019 20:29:32 GMT
vary
User-Agent, Accept-Encoding
normalized-user-agent
chrome/74.0.0
cache-control
public, s-maxage=31536000, max-age=604800, stale-while-revalidate=604800, stale-if-error=604800
accept-ranges
bytes
timing-allow-origin
*
js.9a779093.js
polyfill.io/v3/ 		45 KB
12 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://polyfill.io/v3/js.9a779093.js
Requested by
Host: polyfill.io
URL: https://polyfill.io/v3/
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
2a04:4e42::621 , Ascension Island, ASN54113 (FASTLY - Fastly, US),
Reverse DNS
Software
/
Resource Hash
a16c4c2dc1f02c93e171d9408ddb30e60c7943c9042a24d42ac434536cbb9051
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubdomains; preload
X-Content-Type-Options nosniff

Request headers

Sec-Fetch-Mode
no-cors
Referer
https://polyfill.io/v3/
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36

Response headers

strict-transport-security
max-age=31536000; includeSubdomains; preload
content-encoding
gzip
x-content-type-options
nosniff
age
1052421
status
200
request_came_from_shield
FRA
server-timing
HIT-CLUSTER, fastly;desc="Edge time";dur=1, HIT-CLUSTER, fastly;desc="Edge time";dur=0
content-length
12286
etag
W/"b2ca-16c4c98cc90"
referrer-policy
origin-when-cross-origin
last-modified
Thu, 01 Aug 2019 09:52:58 GMT
date
Wed, 28 Aug 2019 20:29:32 GMT
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
accept-ranges
bytes
timing-allow-origin
*
logo.13ac1f9e.svg
polyfill.io/v3/ 		283 B
351 B 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://polyfill.io/v3/logo.13ac1f9e.svg
Requested by
Host: polyfill.io
URL: https://polyfill.io/v3/
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
2a04:4e42::621 , Ascension Island, ASN54113 (FASTLY - Fastly, US),
Reverse DNS
Software
/
Resource Hash
d02f73ecd9e7ea6d737f0cbf9aca23855dc5dc7b78443494f1e61c29c29914f1
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubdomains; preload
X-Content-Type-Options nosniff

Request headers

Sec-Fetch-Mode
no-cors
Referer
https://polyfill.io/v3/css.8f1e3b0d.css
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36

Response headers

strict-transport-security
max-age=31536000; includeSubdomains; preload
x-content-type-options
nosniff
age
1052421
status
200
request_came_from_shield
FRA
server-timing
HIT-CLUSTER, fastly;desc="Edge time";dur=0, HIT-CLUSTER, fastly;desc="Edge time";dur=1
content-length
283
etag
W/"11b-16c4c98cc90"
referrer-policy
origin-when-cross-origin
last-modified
Thu, 01 Aug 2019 09:52:58 GMT
date
Wed, 28 Aug 2019 20:29:32 GMT
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
accept-ranges
bytes
timing-allow-origin
*
ftsocial-v2:github
www.ft.com/__origami/service/image/v2/images/raw/ 		0
0
js.9a779093.js
polyfill.io/v3/ 		45 KB
12 KB 		Other
General
Check archive.org
Download Go to
Full URL
https://polyfill.io/v3/js.9a779093.js
Requested by
Host: polyfill.io
URL: https://polyfill.io/v3/
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
2a04:4e42::621 , Ascension Island, ASN54113 (FASTLY - Fastly, US),
Reverse DNS
Software
/
Resource Hash
a16c4c2dc1f02c93e171d9408ddb30e60c7943c9042a24d42ac434536cbb9051
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubdomains; preload
X-Content-Type-Options nosniff

Request headers

Sec-Fetch-Mode
no-cors
Referer
https://polyfill.io/v3/
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36

Response headers

strict-transport-security
max-age=31536000; includeSubdomains; preload
content-encoding
gzip
x-content-type-options
nosniff
age
1052421
status
200
request_came_from_shield
FRA
server-timing
HIT-CLUSTER, fastly;desc="Edge time";dur=1, HIT, fastly;desc="Edge time";dur=0
content-length
12286
etag
W/"b2ca-16c4c98cc90"
referrer-policy
origin-when-cross-origin
last-modified
Thu, 01 Aug 2019 09:52:58 GMT
date
Wed, 28 Aug 2019 20:29:32 GMT
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
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
www.ft.com
URL
https://www.ft.com/__origami/service/build/v2/files/o-fonts-assets@1.3.2/MetricWeb-Semibold.woff
Domain
www.ft.com
URL
https://www.ft.com/__origami/service/build/v2/files/o-fonts-assets@1.3.2/MetricWeb-Regular.woff
Domain
www.ft.com
URL
https://www.ft.com/__origami/service/image/v2/images/raw/ftsocial-v2:github?format=svg&source=o-footer-services

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.

function| parcelRequire

0 Cookies

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