Submitted URL: https://list.mg3.mlgnserv.com/track/click?u=b11a07979bc4eedf18034b12329dd965&id=e5cf3cfca4e78a55&e=52490ec9b912c541
Effective URL: https://list.mailigen.com/subscribe?u=b11a07979bc4eedf18034b12329dd965&id=637829f3&utm_source=email+marketing+Mailigen&utm...
Submission: On August 10 via manual from IN — Scanned from DE

Summary

This website contacted 4 IPs in 2 countries across 5 domains to perform 9 HTTP transactions. The main IP is 159.135.137.162, located in Buende, Germany and belongs to DE-RACKSPACE Frankfurt, Germany, GB. The main domain is list.mailigen.com. The Cisco Umbrella rank of the primary domain is 771281.
TLS certificate: Issued by R3 on June 16th 2022. Valid for: 3 months.
This is the only time list.mailigen.com was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

IP Address AS Autonomous System
1 6 159.135.137.162 39921 (DE-RACKSP...)
2 2a00:1450:400... 15169 (GOOGLE)
1 151.101.66.137 54113 (FASTLY)
1 162.247.241.14 23467 (NEWRELIC-...)
9 4
Apex Domain
Subdomains
Transfer
5 mailigen.com
list.mailigen.com — Cisco Umbrella Rank: 771281
285 KB
2 google-analytics.com
ssl.google-analytics.com — Cisco Umbrella Rank: 398
17 KB
1 nr-data.net
bam.nr-data.net — Cisco Umbrella Rank: 283
716 B
1 newrelic.com
js-agent.newrelic.com — Cisco Umbrella Rank: 402
14 KB
1 mlgnserv.com
list.mg3.mlgnserv.com
254 B
9 5
Domain Requested by
5 list.mailigen.com list.mailigen.com
2 ssl.google-analytics.com list.mailigen.com
1 bam.nr-data.net js-agent.newrelic.com
1 js-agent.newrelic.com list.mailigen.com
1 list.mg3.mlgnserv.com 1 redirects
9 5

This site contains no links.

Subject Issuer Validity Valid
list.bp.mlgn2usa.com
R3
2022-06-16 -
2022-09-14
3 months crt.sh
*.google-analytics.com
GTS CA 1C3
2022-07-18 -
2022-10-10
3 months crt.sh
js-agent.newrelic.com
GlobalSign Atlas R3 DV TLS CA 2022 Q2
2022-07-10 -
2023-08-11
a year crt.sh
*.nr-data.net
DigiCert TLS RSA SHA256 2020 CA1
2022-01-10 -
2023-02-10
a year crt.sh

This page contains 1 frames:

Primary Page: https://list.mailigen.com/subscribe?u=b11a07979bc4eedf18034b12329dd965&id=637829f3&utm_source=email+marketing+Mailigen&utm_campaign=emailer&utm_medium=email
Frame ID: 451D56B195F6CFD7E20471D01B8A1F40
Requests: 9 HTTP requests in this frame

Screenshot

Page Title

AIMSUBSCRIBERSNEW

Page URL History Show full URLs

  1. https://list.mg3.mlgnserv.com/track/click?u=b11a07979bc4eedf18034b12329dd965&id=e5cf3cfca4e78a55&e=52490ec... HTTP 302
    https://list.mailigen.com/subscribe?u=b11a07979bc4eedf18034b12329dd965&id=637829f3&utm_source=email+ma... Page URL

Detected technologies

Overall confidence: 100%
Detected patterns
  • google-analytics\.com/(?:ga|urchin|analytics)\.js

Overall confidence: 100%
Detected patterns
  • jquery.*\.js(?:\?ver(?:sion)?=([\d.]+))?

Page Statistics

9
Requests

100 %
HTTPS

25 %
IPv6

5
Domains

5
Subdomains

4
IPs

2
Countries

317 kB
Transfer

379 kB
Size

8
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://list.mg3.mlgnserv.com/track/click?u=b11a07979bc4eedf18034b12329dd965&id=e5cf3cfca4e78a55&e=52490ec9b912c541 HTTP 302
    https://list.mailigen.com/subscribe?u=b11a07979bc4eedf18034b12329dd965&id=637829f3&utm_source=email+marketing+Mailigen&utm_campaign=emailer&utm_medium=email 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 subscribe
list.mailigen.com/
Redirect Chain
  • https://list.mg3.mlgnserv.com/track/click?u=b11a07979bc4eedf18034b12329dd965&id=e5cf3cfca4e78a55&e=52490ec9b912c541
  • https://list.mailigen.com/subscribe?u=b11a07979bc4eedf18034b12329dd965&id=637829f3&utm_source=email+marketing+Mailigen&utm_campaign=emailer&utm_medium=email
19 KB
8 KB
Document
General
Full URL
https://list.mailigen.com/subscribe?u=b11a07979bc4eedf18034b12329dd965&id=637829f3&utm_source=email+marketing+Mailigen&utm_campaign=emailer&utm_medium=email
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_256_GCM
Server
159.135.137.162 Buende, Germany, ASN39921 (DE-RACKSPACE Frankfurt, Germany, GB),
Reverse DNS
Software
nginx/1.14.0 (Ubuntu) /
Resource Hash
090edb0e93f2e84c499b57e18cd98c903cb163935dca20230824e591c6ad06d9

Request headers

Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/104.0.5112.79 Safari/537.36
accept-language
de-DE,de;q=0.9

Response headers

content-encoding
gzip
content-type
text/html; charset=UTF-8
date
Wed, 10 Aug 2022 07:14:19 GMT
server
nginx/1.14.0 (Ubuntu)

Redirect headers

content-type
text/html; charset=UTF-8
date
Wed, 10 Aug 2022 07:14:19 GMT
location
https://list.mailigen.com/subscribe?u=b11a07979bc4eedf18034b12329dd965&id=637829f3&utm_source=email+marketing+Mailigen&utm_campaign=emailer&utm_medium=email
server
nginx/1.14.0 (Ubuntu)
scripts.js
list.mailigen.com/js/
2 KB
2 KB
Script
General
Full URL
https://list.mailigen.com/js/scripts.js?v=1508755243
Requested by
Host: list.mailigen.com
URL: https://list.mailigen.com/subscribe?u=b11a07979bc4eedf18034b12329dd965&id=637829f3&utm_source=email+marketing+Mailigen&utm_campaign=emailer&utm_medium=email
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_256_GCM
Server
159.135.137.162 Buende, Germany, ASN39921 (DE-RACKSPACE Frankfurt, Germany, GB),
Reverse DNS
Software
nginx/1.14.0 (Ubuntu) /
Resource Hash
6b350bcd4ef036388aa7bd9bc43eccb48ea9d1d350a69f9d98c551c68b1608b4

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://list.mailigen.com/subscribe?u=b11a07979bc4eedf18034b12329dd965&id=637829f3&utm_source=email+marketing+Mailigen&utm_campaign=emailer&utm_medium=email
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/104.0.5112.79 Safari/537.36

Response headers

date
Wed, 10 Aug 2022 07:14:19 GMT
last-modified
Wed, 25 May 2022 04:20:56 GMT
server
nginx/1.14.0 (Ubuntu)
etag
"628daea8-7a7"
content-type
application/javascript; charset=UTF-8
cache-control
max-age=2592000
accept-ranges
bytes
content-length
1959
expires
Fri, 09 Sep 2022 07:14:19 GMT
subscribe2.js
list.mailigen.com/js/
11 KB
11 KB
Script
General
Full URL
https://list.mailigen.com/js/subscribe2.js?v=1438606187
Requested by
Host: list.mailigen.com
URL: https://list.mailigen.com/subscribe?u=b11a07979bc4eedf18034b12329dd965&id=637829f3&utm_source=email+marketing+Mailigen&utm_campaign=emailer&utm_medium=email
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_256_GCM
Server
159.135.137.162 Buende, Germany, ASN39921 (DE-RACKSPACE Frankfurt, Germany, GB),
Reverse DNS
Software
nginx/1.14.0 (Ubuntu) /
Resource Hash
f30a3ead1045ed44256afbd02e52639b482db3cc4474d97a03121d48a75c1213

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://list.mailigen.com/subscribe?u=b11a07979bc4eedf18034b12329dd965&id=637829f3&utm_source=email+marketing+Mailigen&utm_campaign=emailer&utm_medium=email
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/104.0.5112.79 Safari/537.36

Response headers

date
Wed, 10 Aug 2022 07:14:19 GMT
last-modified
Wed, 25 May 2022 04:20:56 GMT
server
nginx/1.14.0 (Ubuntu)
etag
"628daea8-2a3e"
content-type
application/javascript; charset=UTF-8
cache-control
max-age=2592000
accept-ranges
bytes
content-length
10814
expires
Fri, 09 Sep 2022 07:14:19 GMT
jquery.js
list.mailigen.com/js/
260 KB
260 KB
Script
General
Full URL
https://list.mailigen.com/js/jquery.js
Requested by
Host: list.mailigen.com
URL: https://list.mailigen.com/subscribe?u=b11a07979bc4eedf18034b12329dd965&id=637829f3&utm_source=email+marketing+Mailigen&utm_campaign=emailer&utm_medium=email
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_256_GCM
Server
159.135.137.162 Buende, Germany, ASN39921 (DE-RACKSPACE Frankfurt, Germany, GB),
Reverse DNS
Software
nginx/1.14.0 (Ubuntu) /
Resource Hash
756d7dfac4a35bb57543f677283d6c682e8d704e5350884b27325badd2b3c4a7

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://list.mailigen.com/subscribe?u=b11a07979bc4eedf18034b12329dd965&id=637829f3&utm_source=email+marketing+Mailigen&utm_campaign=emailer&utm_medium=email
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/104.0.5112.79 Safari/537.36

Response headers

date
Wed, 10 Aug 2022 07:14:19 GMT
last-modified
Wed, 13 Jul 2022 10:10:06 GMT
server
nginx/1.14.0 (Ubuntu)
etag
"62ce99fe-40f49"
content-type
application/javascript; charset=UTF-8
cache-control
max-age=2592000
accept-ranges
bytes
content-length
266057
expires
Fri, 09 Sep 2022 07:14:19 GMT
ga.js
ssl.google-analytics.com/
45 KB
17 KB
Script
General
Full URL
https://ssl.google-analytics.com/ga.js
Requested by
Host: list.mailigen.com
URL: https://list.mailigen.com/subscribe?u=b11a07979bc4eedf18034b12329dd965&id=637829f3&utm_source=email+marketing+Mailigen&utm_campaign=emailer&utm_medium=email
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:828::2008 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
Golfe2 /
Resource Hash
1259ea99bd76596239bfd3102c679eb0a5052578dc526b0452f4d42f8bcdd45f
Security Headers
Name Value
Strict-Transport-Security max-age=10886400; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

Referer
https://list.mailigen.com/
accept-language
de-DE,de;q=0.9
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/104.0.5112.79 Safari/537.36
Intervention
<https://www.chromestatus.com/feature/5718547946799104>; level="warning"

Response headers

strict-transport-security
max-age=10886400; includeSubDomains; preload
content-encoding
gzip
x-content-type-options
nosniff
last-modified
Wed, 13 Apr 2022 21:02:38 GMT
server
Golfe2
age
1406
date
Wed, 10 Aug 2022 06:50:53 GMT
vary
Accept-Encoding
content-type
text/javascript
cache-control
public, max-age=7200
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000,h3-Q050=":443"; ma=2592000,h3-Q046=":443"; ma=2592000,h3-Q043=":443"; ma=2592000,quic=":443"; ma=2592000; v="46,43"
content-length
17168
expires
Wed, 10 Aug 2022 08:50:53 GMT
aimlogo.png
list.mailigen.com//upload/user/136876/images/
4 KB
4 KB
Image
General
Full URL
https://list.mailigen.com//upload/user/136876/images/aimlogo.png
Requested by
Host: list.mailigen.com
URL: https://list.mailigen.com/subscribe?u=b11a07979bc4eedf18034b12329dd965&id=637829f3&utm_source=email+marketing+Mailigen&utm_campaign=emailer&utm_medium=email
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_256_GCM
Server
159.135.137.162 Buende, Germany, ASN39921 (DE-RACKSPACE Frankfurt, Germany, GB),
Reverse DNS
Software
nginx/1.14.0 (Ubuntu) /
Resource Hash
5b99505884b6e991bd061a6b90a0287feb38739c24d8c15f32395cce18969cbb

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://list.mailigen.com/subscribe?u=b11a07979bc4eedf18034b12329dd965&id=637829f3&utm_source=email+marketing+Mailigen&utm_campaign=emailer&utm_medium=email
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/104.0.5112.79 Safari/537.36

Response headers

date
Wed, 10 Aug 2022 07:14:19 GMT
last-modified
Sun, 28 Nov 2021 09:04:55 GMT
server
nginx/1.14.0 (Ubuntu)
accept-ranges
bytes
etag
"61a34637-e8d"
content-length
3725
content-type
image/png
__utm.gif
ssl.google-analytics.com/r/
35 B
197 B
Image
General
Full URL
https://ssl.google-analytics.com/r/__utm.gif?utmwv=5.7.2&utms=1&utmn=1389370594&utmhn=list.mailigen.com&utmcs=UTF-8&utmsr=1600x1200&utmvp=1600x1200&utmsc=24-bit&utmul=en-us&utmje=0&utmfl=-&utmdt=AIMSUBSCRIBERSNEW&utmhid=2114126275&utmr=-&utmp=%2Fsubscribe%3Fu%3Db11a07979bc4eedf18034b12329dd965%26id%3D637829f3%26utm_source%3Demail%2Bmarketing%2BMailigen%26utm_campaign%3Demailer%26utm_medium%3Demail&utmht=1660115659636&utmac=UA-9510458-8&utmcc=__utma%3D106942366.1953732621.1660115660.1660115660.1660115660.1%3B%2B__utmz%3D106942366.1660115660.1.1.utmcsr%3Demail%2520marketing%2520Mailigen%7Cutmccn%3Demailer%7Cutmcmd%3Demail%3B&utmjid=1575091638&utmredir=1&utmu=DAAAAAAAAAAAAAAAAAAAAAAE~
Requested by
Host: list.mailigen.com
URL: https://list.mailigen.com/subscribe?u=b11a07979bc4eedf18034b12329dd965&id=637829f3&utm_source=email+marketing+Mailigen&utm_campaign=emailer&utm_medium=email
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:828::2008 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
Golfe2 /
Resource Hash
8337212354871836e6763a41e615916c89bac5b3f1f0adf60ba43c7c806e1015
Security Headers
Name Value
X-Content-Type-Options nosniff

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://list.mailigen.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/104.0.5112.79 Safari/537.36

Response headers

pragma
no-cache
date
Wed, 10 Aug 2022 07:14:19 GMT
x-content-type-options
nosniff
last-modified
Sun, 17 May 1998 03:00:00 GMT
server
Golfe2
content-type
image/gif
access-control-allow-origin
*
cache-control
no-cache, no-store, must-revalidate
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000,h3-Q050=":443"; ma=2592000,h3-Q046=":443"; ma=2592000,h3-Q043=":443"; ma=2592000,quic=":443"; ma=2592000; v="46,43"
content-length
35
expires
Fri, 01 Jan 1990 00:00:00 GMT
nr-1216.min.js
js-agent.newrelic.com/
38 KB
14 KB
Script
General
Full URL
https://js-agent.newrelic.com/nr-1216.min.js
Requested by
Host: list.mailigen.com
URL: https://list.mailigen.com/subscribe?u=b11a07979bc4eedf18034b12329dd965&id=637829f3&utm_source=email+marketing+Mailigen&utm_campaign=emailer&utm_medium=email
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
151.101.66.137 , United States, ASN54113 (FASTLY, US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
6f973e7d75a7e6f6e59708f19631c8890034db5debb4d04f189deb53c114e708

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://list.mailigen.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/104.0.5112.79 Safari/537.36

Response headers

x-amz-version-id
mHHzJIqOizHibcYt0xqAszRr0gQRiNYy
content-encoding
gzip
etag
"9f533d8cd24b2c5e3b4dc886ecbd43e8"
x-amz-request-id
W2S5A87EG1C89ADE
x-cache
HIT
cross-origin-resource-policy
cross-origin
content-length
14391
x-amz-id-2
c9P6myFxLLD3IyZ4P2Q59GznMAh/LL0NtRLP/qzmj57pyyLc8LBRAjUQIZZNiJ5WMagYxPOHvUs=
x-served-by
cache-hhn4052-HHN
last-modified
Thu, 14 Apr 2022 16:45:57 GMT
server
AmazonS3
x-timer
S1660115660.708050,VS0,VE0
date
Wed, 10 Aug 2022 07:14:19 GMT
vary
Accept-Encoding
content-type
application/javascript
via
1.1 varnish
cache-control
public, max-age=7200, stale-if-error=604800
accept-ranges
bytes
x-cache-hits
9572
374c34e0af
bam.nr-data.net/1/
49 B
716 B
Script
General
Full URL
https://bam.nr-data.net/1/374c34e0af?a=539788448&v=1216.487a282&to=Y1RbZhNUCBJRWxJRC1oebEAIGg8PVF0eFhRcQQ%3D%3D&rst=544&ck=1&ref=https://list.mailigen.com/subscribe&ap=67&be=344&fe=500&dc=465&perf=%7B%22timing%22:%7B%22of%22:1660115659176,%22n%22:0,%22f%22:235,%22dn%22:235,%22dne%22:235,%22c%22:235,%22ce%22:235,%22rq%22:236,%22rp%22:314,%22rpe%22:315,%22dl%22:317,%22di%22:464,%22ds%22:464,%22de%22:469,%22dc%22:500,%22l%22:500,%22le%22:501%7D,%22navigation%22:%7B%7D%7D&fp=451&fcp=451&at=TxNYEFtOGxw%3D&jsonp=NREUM.setToken
Requested by
Host: js-agent.newrelic.com
URL: https://js-agent.newrelic.com/nr-1216.min.js
Protocol
HTTP/1.1
Security
TLS 1.3, , AES_128_GCM
Server
162.247.241.14 Portland, United States, ASN23467 (NEWRELIC-AS-1, US),
Reverse DNS
Software
cloudflare /
Resource Hash
a83848cf5c3d96caefe490c19e41659609b3691dd4c531cf925016c084d8e1b0

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://list.mailigen.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/104.0.5112.79 Safari/537.36

Response headers

Date
Wed, 10 Aug 2022 07:14:19 GMT
Content-Encoding
gzip
CF-Cache-Status
DYNAMIC
Server
cloudflare
Expect-CT
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
Vary
Accept-Encoding
access-control-allow-methods
GET, POST, PUT, HEAD, OPTIONS
Content-Type
text/javascript
Access-Control-Allow-Origin
*
Transfer-Encoding
chunked
Cross-Origin-Resource-Policy
cross-origin
Connection
keep-alive
access-control-allow-credentials
true
CF-Ray
7386ef197eab9b55-FRA

Verdicts & Comments Add Verdict or Comment

24 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| oncontextlost object| oncontextrestored function| structuredClone object| launchQueue object| onbeforematch function| getScreenDetails function| queryLocalFonts object| navigation object| NREUM object| newrelic function| __nr_require function| $ function| jQuery string| js_prefix function| checkMail function| setErrorFields function| checkAll boolean| MG_CallSubscribeHandler function| MG_PopupOpen string| gaJsHost object| _gat object| _gaq object| pageTracker object| gaGlobal

8 Cookies

Domain/Path Name / Value
list.mg3.mlgnserv.com/ Name: ln
Value: en
list.mailigen.com/ Name: ln
Value: en
.list.mailigen.com/ Name: __utma
Value: 106942366.1953732621.1660115660.1660115660.1660115660.1
.list.mailigen.com/ Name: __utmc
Value: 106942366
.list.mailigen.com/ Name: __utmz
Value: 106942366.1660115660.1.1.utmcsr=email%20marketing%20Mailigen|utmccn=emailer|utmcmd=email
.list.mailigen.com/ Name: __utmt
Value: 1
.list.mailigen.com/ Name: __utmb
Value: 106942366.1.10.1660115660
.nr-data.net/ Name: JSESSIONID
Value: c2bd5bb3e4f18bd9

2 Console Messages

Source Level URL
Text
javascript warning URL: https://list.mailigen.com/subscribe?u=b11a07979bc4eedf18034b12329dd965&id=637829f3&utm_source=email+marketing+Mailigen&utm_campaign=emailer&utm_medium=email(Line 368)
Message:
A parser-blocking, cross site (i.e. different eTLD+1) script, https://ssl.google-analytics.com/ga.js, is invoked via document.write. The network request for this script MAY be blocked by the browser in this or a future page load due to poor network connectivity. If blocked in this page load, it will be confirmed in a subsequent console message. See https://www.chromestatus.com/feature/5718547946799104 for more details.
javascript warning URL: https://list.mailigen.com/subscribe?u=b11a07979bc4eedf18034b12329dd965&id=637829f3&utm_source=email+marketing+Mailigen&utm_campaign=emailer&utm_medium=email(Line 368)
Message:
A parser-blocking, cross site (i.e. different eTLD+1) script, https://ssl.google-analytics.com/ga.js, is invoked via document.write. The network request for this script MAY be blocked by the browser in this or a future page load due to poor network connectivity. If blocked in this page load, it will be confirmed in a subsequent console message. See https://www.chromestatus.com/feature/5718547946799104 for more details.