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cdn.polyfill.io Open in urlscan Pro
2a04:4e42:3::621  Public Scan

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Submitted URL: https://cdn.polyfill.io/
Effective URL: https://cdn.polyfill.io/v3/
Submission: On August 16 via manual from US
 Behaviour Indicators
Similar DOM Content API
Verdicts

Summary

This website contacted 2 IPs in 2 countries across 2 domains to perform 7 HTTP transactions. The main IP is 2a04:4e42:3::621, located in Ascension Island and belongs to FASTLY - Fastly, US. The main domain is cdn.polyfill.io.
TLS certificate: Issued by GlobalSign CloudSSL CA - SHA256 - G3 on May 29th 2019. Valid for: a year.
This is the only time cdn.polyfill.io was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

IP Address AS Autonomous System
1 5 2a04:4e42:3::621 54113 (FASTLY)
3 151.101.114.109 54113 (FASTLY)
7 2
Apex Domain
Subdomains		 Transfer
5 polyfill.io
cdn.polyfill.io
27 KB
3 ft.com
www.ft.com
101 KB
7 2
Domain Requested by
5 cdn.polyfill.io 1 redirects cdn.polyfill.io
3 www.ft.com cdn.polyfill.io
7 2

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://cdn.polyfill.io/v3/
Frame ID: 66338024497C4B48106E3699FB0819B4
Requests: 7 HTTP requests in this frame

Screenshot
Live screenshot
Full Image

Page URL History Show full URLs

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

Page Statistics

7
Requests

100 %
HTTPS

50 %
IPv6

2
Domains

2
Subdomains

2
IPs

2
Countries

128 kB
Transfer

234 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. https://cdn.polyfill.io/ HTTP 301
    https://cdn.polyfill.io/v3/ Page URL

Redirected requests

There were HTTP redirect chains for the following requests:

7 HTTP transactions

Resource
Path		 Size
x-fer		 Type
MIME-Type
Primary Request /
cdn.polyfill.io/v3/
Redirect Chain
  • https://cdn.polyfill.io/
  • https://cdn.polyfill.io/v3/
4 KB
2 KB 		Document
General
Check archive.org
Download Go to
Full URL
https://cdn.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
d50c6632b8fe1538650c9753b3fc70c27c01691b9a6d6244986aea3a52f443e7
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
cdn.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
sec-fetch-mode
navigate
sec-fetch-user
?1
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
Sec-Fetch-Mode
navigate
Sec-Fetch-User
?1

Response headers

status
200
cache-control
public, s-maxage=31536000, max-age=604800, stale-while-revalidate=604800, stale-if-error=604800
last-modified
Wed, 10 Jul 2019 12:11:21 GMT
etag
W/"f21-16bdbcb9628"
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, fastly;desc="Edge time";dur=0 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
Fri, 16 Aug 2019 00:06:03 GMT
age
2946702
vary
Accept-Encoding
content-length
1466

Redirect headers

status
301
retry-after
0
location
/v3/
accept-ranges
bytes
date
Fri, 16 Aug 2019 00:06:03 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 - Fastly, US),
Reverse DNS
Software
/
Resource Hash
8aaace27bb0d6f4f3d61d12596fed0038a6ca18250e98f71bde9be4eadcf5ab5
Security Headers
Name Value
Strict-Transport-Security max-age=63072000; includeSubDomains; preload

Request headers

Sec-Fetch-Mode
cors
Referer
https://cdn.polyfill.io/
Origin
https://cdn.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

date
Fri, 16 Aug 2019 00:06:04 GMT
last-modified
Thu, 15 Aug 2019 07:11:32 GMT
age
749
status
200
vary
Origin, FT-Site, Accept-Encoding
content-type
application/font-woff
access-control-allow-origin
https://cdn.polyfill.io
cache-control
public, max-age=2531875, stale-while-revalidate=3136675, stale-if-error=3136675, s-maxage=43200
ft-suppress-friendly-error
true
strict-transport-security
max-age=63072000; includeSubDomains; preload
accept-ranges
bytes
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 - Fastly, US),
Reverse DNS
Software
/
Resource Hash
6696d1217c24fb848514b39dd908a3f645a5122719cf2bf7640ef9cd5da5bd5d
Security Headers
Name Value
Strict-Transport-Security max-age=63072000; includeSubDomains; preload

Request headers

Sec-Fetch-Mode
cors
Referer
https://cdn.polyfill.io/
Origin
https://cdn.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

date
Fri, 16 Aug 2019 00:06:04 GMT
last-modified
Thu, 15 Aug 2019 12:04:36 GMT
age
1868
status
200
vary
Origin, FT-Site, Accept-Encoding
content-type
application/font-woff
access-control-allow-origin
https://cdn.polyfill.io
cache-control
public, max-age=2550578, stale-while-revalidate=3155378, stale-if-error=3155378, s-maxage=43200
ft-suppress-friendly-error
true
strict-transport-security
max-age=63072000; includeSubDomains; preload
accept-ranges
bytes
content-length
50290
debug-jake
Request came to EU and served by EU origin
css.344fdf51.css
cdn.polyfill.io/v3/ 		86 KB
12 KB 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://cdn.polyfill.io/v3/css.344fdf51.css
Requested by
Host: cdn.polyfill.io
URL: https://cdn.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
af50bd1617c7481dbf44830b3f846c5118c3565a45b836904aa3df3a81996f40
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://cdn.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
2946179
status
200
request_came_from_shield
FRA
server-timing
HIT-CLUSTER, fastly;desc="Edge time";dur=0, HIT-CLUSTER, fastly;desc="Edge time";dur=0
content-length
12176
etag
W/"156ca-16bdbcb9628"
referrer-policy
origin-when-cross-origin
last-modified
Wed, 10 Jul 2019 12:11:21 GMT
date
Fri, 16 Aug 2019 00:06:03 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
*
js.3f03d653.js
cdn.polyfill.io/v3/ 		44 KB
12 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://cdn.polyfill.io/v3/js.3f03d653.js
Requested by
Host: cdn.polyfill.io
URL: https://cdn.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
030eb187d277c42d129f1add6f38dd931b81d7d0680353fed965e6c22c5bdee5
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://cdn.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
2946179
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
12236
etag
W/"b118-16bdbcb9628"
referrer-policy
origin-when-cross-origin
last-modified
Wed, 10 Jul 2019 12:11:21 GMT
date
Fri, 16 Aug 2019 00:06:03 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
cdn.polyfill.io/v3/ 		283 B
351 B 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://cdn.polyfill.io/v3/logo.13ac1f9e.svg
Requested by
Host: cdn.polyfill.io
URL: https://cdn.polyfill.io/v3/js.3f03d653.js
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
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://cdn.polyfill.io/v3/css.344fdf51.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
2946179
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
283
etag
W/"11b-16bdbcb9628"
referrer-policy
origin-when-cross-origin
last-modified
Wed, 10 Jul 2019 12:11:21 GMT
date
Fri, 16 Aug 2019 00:06:03 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/ 		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: cdn.polyfill.io
URL: https://cdn.polyfill.io/v3/js.3f03d653.js
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
151.101.114.109 Frankfurt am Main, Germany, ASN54113 (FASTLY - Fastly, US),
Reverse DNS
Software
/
Resource Hash
43175c5cda517e9973d185b53a1d36692b716242eeff3d461bf26b0b6b917c7e
Security Headers
Name Value
Strict-Transport-Security max-age=63072000; includeSubDomains; preload

Request headers

Sec-Fetch-Mode
no-cors
Referer
https://cdn.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=63072000; includeSubDomains; preload
etag
"87ddf8e9b203875b4959b7a41901c6d7"
ft-image-format
webp
age
1453556
status
200
request_came_from_shield
HHN
server-timing
HIT-CLUSTER, fastly;desc="Edge time";dur=1, HIT, fastly;desc="Edge time";dur=0
content-length
764
accept-ranges
bytes
last-modified
Mon, 15 Apr 2019 13:49:10 GMT
date
Fri, 16 Aug 2019 00:06:07 GMT
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
timing-allow-origin
*

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4 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| onselectstart object| onselectionchange function| queueMicrotask function| parcelRequire

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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