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polyfill.io Open in urlscan Pro
2a04:4e42:600::621  Public Scan

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Submitted URL: http://polyfill.io/
Effective URL: https://polyfill.io/v3/
Submission: On January 28 via manual from US
 Behaviour Indicators
Similar DOM Content API
Verdicts

Summary

This website contacted 3 IPs in 2 countries across 2 domains to perform 9 HTTP transactions. The main IP is 2a04:4e42:600::621, located in Ascension Island and belongs to 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
2 7 2a04:4e42:600... 54113 (FASTLY)
3 151.101.114.109 54113 (FASTLY)
1 2a04:4e42:9::621 54113 (FASTLY)
9 3
Apex Domain
Subdomains		 Transfer
8 polyfill.io
polyfill.io
cdn.polyfill.io
44 KB
3 ft.com
www.ft.com
101 KB
9 2
Domain Requested by
7 polyfill.io 2 redirects polyfill.io
3 www.ft.com polyfill.io
1 cdn.polyfill.io 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: 489D7917AE5278D6477420E592DEF22F
Requests: 9 HTTP requests in this frame

Screenshot
Live screenshot
Full Image

Page URL History Show full URLs

  1. http://polyfill.io/ HTTP 301
    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

100 %
HTTPS

67 %
IPv6

2
Domains

3
Subdomains

3
IPs

2
Countries

145 kB
Transfer

298 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 301
    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
2a04:4e42:600::621 , Ascension Island, ASN54113 (FASTLY, US),
Reverse DNS
Software
/
Resource Hash
a9f9a2b7d80272830f280cbad9a935f562c8e1c3afca3ee8bf43bcbbe5c59c8a
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_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/79.0.3945.88 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
sec-fetch-mode
navigate
accept-encoding
gzip, deflate, br
Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/79.0.3945.88 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
Wed, 15 Jan 2020 17:07:32 GMT
etag
W/"1172-16faa2cac20"
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=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
content-encoding
gzip
server-timing
HIT-CLUSTER, fastly;desc="Edge time";dur=0 HIT-CLUSTER, fastly;desc="Edge time";dur=1
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
Tue, 28 Jan 2020 05:56:58 GMT
age
1014730
vary
Accept-Encoding
content-length
1708

Redirect headers

status
301
retry-after
0
location
/v3/
accept-ranges
bytes
date
Tue, 28 Jan 2020 05:56:58 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/ 		50 KB
51 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
151.101.114.109 Frankfurt am Main, Germany, ASN54113 (FASTLY, US),
Reverse DNS
Software
/
Resource Hash
8aaace27bb0d6f4f3d61d12596fed0038a6ca18250e98f71bde9be4eadcf5ab5
Security Headers
Name Value
Strict-Transport-Security max-age=63072000; includeSubDomains; preload

Request headers

User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/79.0.3945.88 Safari/537.36
Referer
https://polyfill.io/
Origin
https://polyfill.io

Response headers

date
Tue, 28 Jan 2020 05:56:58 GMT
last-modified
Mon, 27 Jan 2020 14:11:24 GMT
age
15229
accept-ranges
bytes
vary
Origin, FT-Site, Accept-Encoding
content-type
font/woff
status
200
cache-control
public, max-age=2550489, stale-while-revalidate=3155289, stale-if-error=3155289, s-maxage=43200
strict-transport-security
max-age=63072000; includeSubDomains; preload
ft-suppress-friendly-error
true
access-control-allow-origin
https://polyfill.io
content-length
51558
debug-jake
Request came to EU and served by EU origin
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
151.101.114.109 Frankfurt am Main, Germany, ASN54113 (FASTLY, US),
Reverse DNS
Software
/
Resource Hash
6696d1217c24fb848514b39dd908a3f645a5122719cf2bf7640ef9cd5da5bd5d
Security Headers
Name Value
Strict-Transport-Security max-age=63072000; includeSubDomains; preload

Request headers

User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/79.0.3945.88 Safari/537.36
Referer
https://polyfill.io/
Origin
https://polyfill.io

Response headers

date
Tue, 28 Jan 2020 05:56:58 GMT
last-modified
Mon, 27 Jan 2020 13:51:02 GMT
age
27527
accept-ranges
bytes
vary
Origin, FT-Site, Accept-Encoding
content-type
font/woff
status
200
cache-control
public, max-age=2561567, stale-while-revalidate=3166367, stale-if-error=3166367, s-maxage=43200
strict-transport-security
max-age=63072000; includeSubDomains; preload
ft-suppress-friendly-error
true
access-control-allow-origin
https://polyfill.io
content-length
50290
debug-jake
Request came to EU and served by EU origin
css.b1c04225.css
polyfill.io/v3/ 		85 KB
12 KB 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://polyfill.io/v3/css.b1c04225.css
Requested by
Host: polyfill.io
URL: https://polyfill.io/v3/
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
2a04:4e42:600::621 , Ascension Island, ASN54113 (FASTLY, US),
Reverse DNS
Software
/
Resource Hash
3db841d5e24bebd909d0c9a6c0ff67b957c2f3c3663fea50e649610898bf444f
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubdomains; preload
X-Content-Type-Options nosniff

Request headers

Referer
https://polyfill.io/v3/
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/79.0.3945.88 Safari/537.36

Response headers

strict-transport-security
max-age=31536000; includeSubdomains; preload
content-encoding
gzip
x-content-type-options
nosniff
age
1014729
status
200
date
Tue, 28 Jan 2020 05:56:58 GMT
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
12214
referrer-policy
origin-when-cross-origin
last-modified
Wed, 15 Jan 2020 17:07:32 GMT
etag
W/"15512-16faa2cac20"
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
2a04:4e42:9::621 , Ascension Island, ASN54113 (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

Referer
https://polyfill.io/
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/79.0.3945.88 Safari/537.36

Response headers

strict-transport-security
max-age=31536000; includeSubdomains; preload
content-encoding
br
x-content-type-options
nosniff
age
6622070
normalized-user-agent
chrome/79.0.0
detected-user-agent
Chrome/79.0.3945
status
200
date
Tue, 28 Jan 2020 05:56:58 GMT
request_came_from_shield
AMS
server-timing
HIT-CLUSTER, fastly;desc="Edge time";dur=1, HIT-CLUSTER, fastly;desc="Edge time";dur=1
content-length
3788
referrer-policy
origin-when-cross-origin
etag
W/"ecc-z+LA94BiMAsnTmUeuKZ1QrCd/Pc"
vary
User-Agent, Accept-Encoding
content-type
text/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
*
js.91573913.js
polyfill.io/v3/ 		46 KB
12 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://polyfill.io/v3/js.91573913.js
Requested by
Host: polyfill.io
URL: https://polyfill.io/v3/
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
2a04:4e42:600::621 , Ascension Island, ASN54113 (FASTLY, US),
Reverse DNS
Software
/
Resource Hash
a732d9cc43935361dcded0d4179cd34eef25de40d861744d5e2c2cd9ebf0d8b4
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubdomains; preload
X-Content-Type-Options nosniff

Request headers

Referer
https://polyfill.io/v3/
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/79.0.3945.88 Safari/537.36

Response headers

strict-transport-security
max-age=31536000; includeSubdomains; preload
content-encoding
gzip
x-content-type-options
nosniff
age
1014730
status
200
date
Tue, 28 Jan 2020 05:56:58 GMT
request_came_from_shield
FRA
server-timing
HIT, fastly;desc="Edge time";dur=0, HIT-CLUSTER, fastly;desc="Edge time";dur=0
content-length
12581
referrer-policy
origin-when-cross-origin
last-modified
Wed, 15 Jan 2020 17:07:32 GMT
etag
W/"b751-16faa2cac20"
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
356 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
2a04:4e42:600::621 , Ascension Island, ASN54113 (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

Referer
https://polyfill.io/v3/css.b1c04225.css
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/79.0.3945.88 Safari/537.36

Response headers

strict-transport-security
max-age=31536000; includeSubdomains; preload
x-content-type-options
nosniff
age
1014728
status
200
date
Tue, 28 Jan 2020 05:56:58 GMT
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
referrer-policy
origin-when-cross-origin
last-modified
Wed, 15 Jan 2020 17:07:32 GMT
etag
W/"11b-16faa2cac20"
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/ 		764 B
1 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://www.ft.com/__origami/service/image/v2/images/raw/ftsocial-v2:github?format=svg&source=o-footer-services
Requested by
Host: polyfill.io
URL: https://polyfill.io/v3/
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
151.101.114.109 Frankfurt am Main, Germany, ASN54113 (FASTLY, US),
Reverse DNS
Software
/
Resource Hash
43175c5cda517e9973d185b53a1d36692b716242eeff3d461bf26b0b6b917c7e
Security Headers
Name Value
Strict-Transport-Security max-age=63072000; includeSubDomains; preload

Request headers

Referer
https://polyfill.io/
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/79.0.3945.88 Safari/537.36

Response headers

strict-transport-security
max-age=63072000; includeSubDomains; preload
ft-image-format
webp
age
5531948
status
200
date
Tue, 28 Jan 2020 05:56:58 GMT
request_came_from_shield
HHN
server-timing
HIT-CLUSTER, fastly;desc="Edge time";dur=0, HIT, fastly;desc="Edge time";dur=0
content-length
764
last-modified
Mon, 15 Apr 2019 13:49:10 GMT
etag
"87ddf8e9b203875b4959b7a41901c6d7"
vary
FT-image-format, Content-Dpr, Accept, FT-Site, Accept-Encoding
content-type
image/svg+xml
access-control-allow-origin
*
cache-control
public, max-age=604800, stale-while-revalidate=604800, stale-if-error=604800
ft-suppress-friendly-error
true
accept-ranges
bytes
timing-allow-origin
*
js.91573913.js
polyfill.io/v3/ 		46 KB
12 KB 		Other
General
Check archive.org
Download Go to
Full URL
https://polyfill.io/v3/js.91573913.js
Requested by
Host: polyfill.io
URL: https://polyfill.io/v3/
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
2a04:4e42:600::621 , Ascension Island, ASN54113 (FASTLY, US),
Reverse DNS
Software
/
Resource Hash
a732d9cc43935361dcded0d4179cd34eef25de40d861744d5e2c2cd9ebf0d8b4
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubdomains; preload
X-Content-Type-Options nosniff

Request headers

Referer
https://polyfill.io/v3/
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/79.0.3945.88 Safari/537.36

Response headers

strict-transport-security
max-age=31536000; includeSubdomains; preload
content-encoding
gzip
x-content-type-options
nosniff
age
1014730
status
200
date
Tue, 28 Jan 2020 05:56:58 GMT
request_came_from_shield
FRA
server-timing
HIT, fastly;desc="Edge time";dur=0, HIT, fastly;desc="Edge time";dur=0
content-length
12581
referrer-policy
origin-when-cross-origin
last-modified
Wed, 15 Jan 2020 17:07:32 GMT
etag
W/"b751-16faa2cac20"
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
*

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.

object| onformdata object| onpointerrawupdate 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