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

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Submitted URL: http://cdn.polyfill.io/
Effective URL: https://cdn.polyfill.io/v3/
Submission: On February 08 via manual from FR
 Behaviour Indicators
Similar DOM Content API
Verdicts

Summary

This website contacted 2 IPs in 2 countries across 2 domains to perform 6 HTTP transactions. The main IP is 2a04:4e42::621, located in European Union and belongs to FASTLY - Fastly, US. The main domain is cdn.polyfill.io.
TLS certificate: Issued by GlobalSign CloudSSL CA - SHA256 - G3 on October 21st 2018. Valid for: 6 months.
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 4 2a04:4e42::621 54113 (FASTLY)
3 151.101.2.109 54113 (FASTLY)
6 2
Apex Domain
Subdomains		 Transfer
4 polyfill.io
cdn.polyfill.io
335 KB
3 ft.com
www.ft.com
101 KB
6 2
Domain Requested by
4 cdn.polyfill.io 1 redirects cdn.polyfill.io
3 www.ft.com cdn.polyfill.io
6 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		 2018-10-21 -
2019-04-27		 6 months crt.sh

This page contains 1 frames:

Primary Page: https://cdn.polyfill.io/v3/
Frame ID: F68AC12F5988873369E5C39C576717AB
Requests: 6 HTTP requests in this frame

Screenshot
Live screenshot
Full Image

Page URL History Show full URLs

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

Page Statistics

6
Requests

100 %
HTTPS

50 %
IPv6

2
Domains

2
Subdomains

2
IPs

2
Countries

436 kB
Transfer

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

Redirected requests

There were HTTP redirect chains for the following requests:

6 HTTP transactions

Resource
Path		 Size
x-fer		 Type
MIME-Type
Primary Request /
cdn.polyfill.io/v3/
Redirect Chain
  • http://cdn.polyfill.io/
  • https://cdn.polyfill.io/
  • https://cdn.polyfill.io/v3/
7 KB
7 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::621 , European Union, ASN54113 (FASTLY - Fastly, US),
Reverse DNS
Software
/
Resource Hash
b5d3e32de800265a26b234e742f1da095ad3294e2e1ac185a59b5c7520e3de2c
Security Headers
Name Value
Content-Security-Policy default-src 'self'; font-src 'self' https://www.ft.com; img-src 'self' https://www.ft.com; frame-ancestors 'none'; base-uri 'self'; form-action 'self'
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_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
accept
text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8
accept-encoding
gzip, deflate, br
Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

status
200
cache-control
public, s-maxage=31536000, max-age=604800, stale-while-revalidate=604800, stale-if-error=604800
content-type
text/html; charset=utf-8
etag
W/"1a6a-8DsVtdoId4tsJLvTzToK29O0oE0"
x-xss-protection
1; mode=block
content-security-policy
default-src 'self'; font-src 'self' https://www.ft.com; img-src 'self' https://www.ft.com; frame-ancestors 'none'; base-uri 'self'; form-action 'self'
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, 08 Feb 2019 10:55:32 GMT
age
260294
server-timing
HIT, fastly;desc="Edge time";dur=0
content-length
6762

Redirect headers

status
301
retry-after
0
location
/v3/
accept-ranges
bytes
date
Fri, 08 Feb 2019 10:55:32 GMT
server-timing
HIT-SYNTH, fastly;desc="Edge time";dur=0
content-length
0
main.css
cdn.polyfill.io/static/ 		279 KB
279 KB 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://cdn.polyfill.io/static/main.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::621 , European Union, ASN54113 (FASTLY - Fastly, US),
Reverse DNS
Software
/
Resource Hash
7c3842bc27118a23c03f5a7b422418364d0583ab6a2a7a5f45e54bf3823733d7
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubdomains; preload
X-Content-Type-Options nosniff

Request headers

:path
/static/main.css
pragma
no-cache
accept-encoding
gzip, deflate, br
user-agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
accept
text/css,*/*;q=0.1
cache-control
no-cache
:authority
cdn.polyfill.io
referer
https://cdn.polyfill.io/v3/
:scheme
https
:method
GET
Referer
https://cdn.polyfill.io/v3/
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

strict-transport-security
max-age=31536000; includeSubdomains; preload
referrer-policy
origin-when-cross-origin
last-modified
Thu, 24 Jan 2019 13:03:15 GMT
age
401300
etag
W/"45bf8-1687ff51638"
content-type
text/css; charset=UTF-8
status
200
cache-control
public, max-age=604800
date
Fri, 08 Feb 2019 10:55:32 GMT
server-timing
HIT-CLUSTER, fastly;desc="Edge time";dur=1
accept-ranges
bytes
timing-allow-origin
*
content-length
285688
x-content-type-options
nosniff
main.js
cdn.polyfill.io/static/ 		49 KB
49 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://cdn.polyfill.io/static/main.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::621 , European Union, ASN54113 (FASTLY - Fastly, US),
Reverse DNS
Software
/
Resource Hash
010fd767068b19cf1697dd23828f37f17c0f4ce2f4b8f5f3e68ca81c6b8938de
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubdomains; preload
X-Content-Type-Options nosniff

Request headers

:path
/static/main.js
pragma
no-cache
accept-encoding
gzip, deflate, br
user-agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
accept
*/*
cache-control
no-cache
:authority
cdn.polyfill.io
referer
https://cdn.polyfill.io/v3/
:scheme
https
:method
GET
Referer
https://cdn.polyfill.io/v3/
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

strict-transport-security
max-age=31536000; includeSubdomains; preload
referrer-policy
origin-when-cross-origin
last-modified
Thu, 24 Jan 2019 13:03:00 GMT
age
101111
etag
W/"c2e1-1687ff4dba0"
content-type
application/javascript; charset=UTF-8
status
200
cache-control
public, max-age=604800
date
Fri, 08 Feb 2019 10:55:32 GMT
server-timing
HIT-CLUSTER, fastly;desc="Edge time";dur=2
accept-ranges
bytes
timing-allow-origin
*
content-length
49889
x-content-type-options
nosniff
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
Requested by
Host: cdn.polyfill.io
URL: https://cdn.polyfill.io/v3/
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
151.101.2.109 San Francisco, United States, ASN54113 (FASTLY - 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_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Referer
https://cdn.polyfill.io/
Origin
https://cdn.polyfill.io

Response headers

date
Fri, 08 Feb 2019 10:55:32 GMT
last-modified
Thu, 07 Feb 2019 22:02:48 GMT
age
33657
accept-ranges
bytes
vary
Origin, FT-Site, Accept-Encoding
content-type
application/font-woff
status
200
cache-control
public, max-age=2579291, stale-while-revalidate=3184091, stale-if-error=3184091, s-maxage=43200
strict-transport-security
max-age=63072000; includeSubDomains; preload
ft-suppress-friendly-error
true
access-control-allow-origin
https://cdn.polyfill.io
content-length
50290
debug-jake
Request came to US and served by US origin
ftsocial-v2:github
www.ft.com/__origami/service/image/v2/images/raw/ 		764 B
736 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:github?format=svg&source=o-footer-services
Requested by
Host: cdn.polyfill.io
URL: https://cdn.polyfill.io/v3/
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
151.101.2.109 San Francisco, United States, ASN54113 (FASTLY - Fastly, US),
Reverse DNS
Software
/
Resource Hash
43175c5cda517e9973d185b53a1d36692b716242eeff3d461bf26b0b6b917c7e
Security Headers
Name Value
Strict-Transport-Security max-age=63072000; includeSubDomains; preload

Request headers

Referer
https://cdn.polyfill.io/
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

date
Fri, 08 Feb 2019 10:55:32 GMT
content-encoding
gzip
ft-image-format
webp
age
4498287
etag
W/"87ddf8e9b203875b4959b7a41901c6d7"
vary
FT-image-format, Content-Dpr, Accept, FT-Site, Accept-Encoding
content-type
image/svg+xml
status
200
cache-control
public, max-age=604800, stale-while-revalidate=604800, stale-if-error=604800
accept-ranges
bytes
last-modified
Mon, 23 Jul 2018 11:22:30 GMT
strict-transport-security
max-age=63072000; includeSubDomains; preload
ft-suppress-friendly-error
true
access-control-allow-origin
*
content-length
418
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
Requested by
Host: cdn.polyfill.io
URL: https://cdn.polyfill.io/v3/
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
151.101.2.109 San Francisco, United States, ASN54113 (FASTLY - 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_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Referer
https://cdn.polyfill.io/
Origin
https://cdn.polyfill.io

Response headers

date
Fri, 08 Feb 2019 10:55:32 GMT
last-modified
Thu, 07 Feb 2019 22:02:48 GMT
age
26813
accept-ranges
bytes
vary
Origin, FT-Site, Accept-Encoding
content-type
application/font-woff
status
200
cache-control
public, max-age=2572447, stale-while-revalidate=3177247, stale-if-error=3177247, s-maxage=43200
strict-transport-security
max-age=63072000; includeSubDomains; preload
ft-suppress-friendly-error
true
access-control-allow-origin
https://cdn.polyfill.io
content-length
51558
debug-jake
Request came to US and served by US 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| onselectstart object| onselectionchange function| queueMicrotask

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
Content-Security-Policy default-src 'self'; font-src 'self' https://www.ft.com; img-src 'self' https://www.ft.com; frame-ancestors 'none'; base-uri 'self'; form-action 'self'
Strict-Transport-Security max-age=31536000; includeSubdomains; preload
X-Content-Type-Options nosniff
X-Xss-Protection 1; mode=block