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

Go To Rescan Add Verdict Report
Submitted URL: http://cdn.polyfill.io/
Effective URL: https://cdn.polyfill.io/v3/
Submission: On March 15 via api from US
 Behaviour Indicators
Similar DOM Content API
Verdicts

Summary

This website contacted 2 IPs in 2 countries across 2 domains to perform 8 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 6 2a04:4e42::621 54113 (FASTLY)
3 151.101.2.109 54113 (FASTLY)
8 2
Apex Domain
Subdomains		 Transfer
6 polyfill.io
cdn.polyfill.io
90 KB
3 ft.com
www.ft.com
101 KB
8 2
Domain Requested by
6 cdn.polyfill.io 1 redirects cdn.polyfill.io
3 www.ft.com cdn.polyfill.io
8 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: C4EA0BF1DA201C6DCC69AA23EDD523C8
Requests: 8 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

8
Requests

100 %
HTTPS

50 %
IPv6

2
Domains

2
Subdomains

2
IPs

2
Countries

191 kB
Transfer

295 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:

8 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/
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::621 , European Union, ASN54113 (FASTLY - Fastly, US),
Reverse DNS
Software
/
Resource Hash
b3be2c3fc2b19f312f6df5e6c6a955364228f20c9d35780f5fb95c82ecc1f14e
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_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
last-modified
Wed, 13 Mar 2019 20:56:10 GMT
etag
W/"f48-16978d74e10"
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
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, 15 Mar 2019 18:13:32 GMT
age
161308
vary
Accept-Encoding
server-timing
HIT, fastly;desc="Edge time";dur=0
content-length
1465

Redirect headers

status
301
retry-after
0
location
/v3/
accept-ranges
bytes
date
Fri, 15 Mar 2019 18:13:32 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/ 		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
151.101.2.109 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, 15 Mar 2019 18:13:32 GMT
last-modified
Fri, 15 Mar 2019 11:27:41 GMT
age
14941
accept-ranges
bytes
vary
Origin, FT-Site, Accept-Encoding
content-type
application/font-woff
status
200
cache-control
public, max-age=2582582, stale-while-revalidate=3187382, stale-if-error=3187382, 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
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
151.101.2.109 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, 15 Mar 2019 18:13:32 GMT
last-modified
Fri, 15 Mar 2019 12:06:11 GMT
age
14958
accept-ranges
bytes
vary
Origin, FT-Site, Accept-Encoding
content-type
application/font-woff
status
200
cache-control
public, max-age=2584910, stale-while-revalidate=3189710, stale-if-error=3189710, 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
css.d9dce43c.css
cdn.polyfill.io/v3/ 		84 KB
12 KB 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://cdn.polyfill.io/v3/css.d9dce43c.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
5097cb2dd806493f297dd8fd8c043fe180fc6c4c760e1dfc317a0ccfc193a860
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubdomains; preload
X-Content-Type-Options nosniff

Request headers

:path
/v3/css.d9dce43c.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
content-encoding
gzip
x-content-type-options
nosniff
age
158894
status
200
server-timing
HIT-CLUSTER, fastly;desc="Edge time";dur=0
content-length
11972
etag
W/"14ec9-16978d74e10"
referrer-policy
origin-when-cross-origin
last-modified
Wed, 13 Mar 2019 20:56:10 GMT
date
Fri, 15 Mar 2019 18:13:32 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
*
js.19f9382a.js
cdn.polyfill.io/v3/ 		43 KB
12 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://cdn.polyfill.io/v3/js.19f9382a.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
ce64002ee6958d32e94c2272a9c6810deafb4461ed61d02c79cbbc626bb0a706
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubdomains; preload
X-Content-Type-Options nosniff

Request headers

:path
/v3/js.19f9382a.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
content-encoding
gzip
x-content-type-options
nosniff
age
59907
status
200
server-timing
HIT-CLUSTER, fastly;desc="Edge time";dur=1
content-length
12009
etag
W/"ac67-1697cc689a0"
referrer-policy
origin-when-cross-origin
last-modified
Thu, 14 Mar 2019 15:16:20 GMT
date
Fri, 15 Mar 2019 18:13:32 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
cdn.polyfill.io/v3/ 		283 B
394 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/
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
d02f73ecd9e7ea6d737f0cbf9aca23855dc5dc7b78443494f1e61c29c29914f1
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubdomains; preload
X-Content-Type-Options nosniff

Request headers

:path
/v3/logo.13ac1f9e.svg
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
image/webp,image/apng,image/*,*/*;q=0.8
cache-control
no-cache
:authority
cdn.polyfill.io
referer
https://cdn.polyfill.io/v3/css.d9dce43c.css
:scheme
https
:method
GET
Referer
https://cdn.polyfill.io/v3/css.d9dce43c.css
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, 14 Mar 2019 15:16:20 GMT
age
59907
etag
W/"11b-1697cc689a0"
vary
Accept-Encoding
content-type
image/svg+xml
status
200
cache-control
public, s-maxage=31536000, max-age=604800, stale-while-revalidate=604800, stale-if-error=604800
date
Fri, 15 Mar 2019 18:13:32 GMT
server-timing
HIT-CLUSTER, fastly;desc="Edge time";dur=1
accept-ranges
bytes
timing-allow-origin
*
content-length
283
x-content-type-options
nosniff
css.d9dce43c.css
cdn.polyfill.io/v3/ 		64 KB
64 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://cdn.polyfill.io/v3/css.d9dce43c.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
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubdomains; preload
X-Content-Type-Options nosniff

Request headers

:path
/v3/css.d9dce43c.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
image/webp,image/apng,image/*,*/*;q=0.8
cache-control
no-cache
:authority
cdn.polyfill.io
referer
https://cdn.polyfill.io/v3/css.d9dce43c.css
:scheme
https
:method
GET
Referer
https://cdn.polyfill.io/v3/css.d9dce43c.css
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
content-encoding
gzip
x-content-type-options
nosniff
age
158894
status
200
server-timing
HIT, fastly;desc="Edge time";dur=0
content-length
11972
etag
W/"14ec9-16978d74e10"
referrer-policy
origin-when-cross-origin
last-modified
Wed, 13 Mar 2019 20:56:10 GMT
date
Fri, 15 Mar 2019 18:13:32 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
*
ftsocial-v2:github
www.ft.com/__origami/service/image/v2/images/raw/ 		764 B
734 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, 15 Mar 2019 18:13:32 GMT
content-encoding
gzip
ft-image-format
webp
age
38452
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
Fri, 08 Feb 2019 11:20:04 GMT
strict-transport-security
max-age=63072000; includeSubDomains; preload
ft-suppress-friendly-error
true
access-control-allow-origin
*
content-length
418

Verdicts & Comments Add Verdict or Comment

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

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