urlscan.io logo urlscan.io
SecurityTrails logo

www.trevorlasn.com Open in urlscan Pro
2606:4700:3035::ac43:b92c  Public Scan

Go To Rescan Add Verdict Report
Submitted URL: https://tracking.tldrnewsletter.com/CL0/https:%2F%2Ftrevorlasn.com%2Fblog%2Fcommon-causes-of-memory-leaks-in-javascript%2F%3Futm_sou...
Effective URL: https://www.trevorlasn.com/blog/common-causes-of-memory-leaks-in-javascript/?utm_source=tldrwebdev
Submission: On August 28 via manual from IN — Scanned from US
 Behaviour Indicators
Similar DOM Content API
Verdicts

Summary

This website contacted 11 IPs in 1 countries across 8 domains to perform 26 HTTP transactions. The main IP is 2606:4700:3035::ac43:b92c, located in United States and belongs to CLOUDFLARENET, US. The main domain is www.trevorlasn.com.
TLS certificate: Issued by WE1 on July 30th 2024. Valid for: 3 months.
This is the only time www.trevorlasn.com was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

IP Address AS Autonomous System
1 1 172.67.214.20 13335 (CLOUDFLAR...)
1 4 172.67.185.44 13335 (CLOUDFLAR...)
7 2606:4700:303... 13335 (CLOUDFLAR...)
1 2607:f8b0:400... 15169 (GOOGLE)
2 2620:1ec:bdf::40 8075 (MICROSOFT...)
5 2606:4700:20:... 13335 (CLOUDFLAR...)
1 2606:4700::68... 13335 (CLOUDFLAR...)
1 20.209.68.33 8075 (MICROSOFT...)
3 20.114.190.119 8075 (MICROSOFT...)
1 ()
1 2 20.110.205.119 8075 (MICROSOFT...)
1 1 2620:1ec:c11:... 8068 (MICROSOFT...)
26 11
1    172.67.214.20 (United States)

ASN13335 (CLOUDFLARENET, US)
tracking.tldrnewsletter.com
4    172.67.185.44 (United States)

ASN13335 (CLOUDFLARENET, US)
trevorlasn.com
www.trevorlasn.com
7    2606:4700:3035::ac43:b92c (United States)

ASN13335 (CLOUDFLARENET, US)
www.trevorlasn.com
1    2607:f8b0:4006:81d::2008 (United States)

ASN15169 (GOOGLE, US)
www.googletagmanager.com
2    2620:1ec:bdf::40 (United States)

ASN8075 (MICROSOFT-CORP-MSN-AS-BLOCK, US)
www.clarity.ms
5    2606:4700:20::681a:53e (United States)

ASN13335 (CLOUDFLARENET, US)
media.ethicalads.io
server.ethicalads.io
1    2606:4700::6810:5049 (United States)

ASN13335 (CLOUDFLARENET, US)
static.cloudflareinsights.com
1    20.209.68.33 (Boydton, United States)

ASN8075 (MICROSOFT-CORP-MSN-AS-BLOCK, US)
ethicalads.blob.core.windows.net
3    20.114.190.119 (Boydton, United States)

ASN8075 (MICROSOFT-CORP-MSN-AS-BLOCK, US)
x.clarity.ms
1    (None, )

ASN- ()
www.trevorlasn.com
2    20.110.205.119 (Boydton, United States)

ASN8075 (MICROSOFT-CORP-MSN-AS-BLOCK, US)
c.clarity.ms
1    2620:1ec:c11::237 (United States)

ASN8068 (MICROSOFT-CORP-MSN-AS-BLOCK, US)
c.bing.com
Apex Domain
Subdomains		 Transfer
12 trevorlasn.com
trevorlasn.com
www.trevorlasn.com
122 KB
7 clarity.ms
www.clarity.ms — Cisco Umbrella Rank: 1114
x.clarity.ms — Cisco Umbrella Rank: 8333
c.clarity.ms — Cisco Umbrella Rank: 1838
29 KB
5 ethicalads.io
media.ethicalads.io — Cisco Umbrella Rank: 102062
server.ethicalads.io — Cisco Umbrella Rank: 121073
12 KB
1 bing.com
c.bing.com — Cisco Umbrella Rank: 341
771 B
1 windows.net
ethicalads.blob.core.windows.net — Cisco Umbrella Rank: 148907
27 KB
1 cloudflareinsights.com
static.cloudflareinsights.com — Cisco Umbrella Rank: 1223
7 KB
1 googletagmanager.com
www.googletagmanager.com — Cisco Umbrella Rank: 112
102 KB
1 tldrnewsletter.com
tracking.tldrnewsletter.com
493 B
26 8
Domain Requested by
11 www.trevorlasn.com www.trevorlasn.com
static.cloudflareinsights.com
3 x.clarity.ms www.clarity.ms
3 media.ethicalads.io www.trevorlasn.com
2 c.clarity.ms 1 redirects
2 server.ethicalads.io media.ethicalads.io
www.trevorlasn.com
2 www.clarity.ms www.trevorlasn.com
www.clarity.ms
1 c.bing.com 1 redirects
1 ethicalads.blob.core.windows.net www.trevorlasn.com
1 static.cloudflareinsights.com www.trevorlasn.com
1 www.googletagmanager.com www.trevorlasn.com
1 trevorlasn.com 1 redirects
1 tracking.tldrnewsletter.com 1 redirects
26 12
Subject Issuer Validity Valid
trevorlasn.com
WE1		 2024-07-30 -
2024-10-28		 3 months crt.sh
*.google-analytics.com
WR2		 2024-07-30 -
2024-10-22		 3 months crt.sh
www.clarity.ms
DigiCert TLS RSA SHA256 2020 CA1		 2023-12-07 -
2024-12-07		 a year crt.sh
ethicalads.io
WE1		 2024-07-31 -
2024-10-29		 3 months crt.sh
cloudflareinsights.com
WE1		 2024-07-06 -
2024-10-04		 3 months crt.sh
*.blob.core.windows.net
Microsoft Azure RSA TLS Issuing CA 03		 2024-03-26 -
2025-03-21		 a year crt.sh
a.clarity.ms
Microsoft Azure RSA TLS Issuing CA 08		 2024-06-23 -
2025-06-18		 a year crt.sh

This page contains 2 frames:

Primary Page: https://www.trevorlasn.com/blog/common-causes-of-memory-leaks-in-javascript/?utm_source=tldrwebdev
Frame ID: 6C5ADBAE5EDF0CB0CF4ECCF34087D011
Requests: 24 HTTP requests in this frame

Frame: https://www.trevorlasn.com/~partytown/partytown-sandbox-sw.html?1724851856991
Frame ID: 31B9A2FF66C953CF4BD311184A607AA4
Requests: 1 HTTP requests in this frame

Screenshot
Live screenshot
Full Image

Page Title

Common Causes of Memory Leaks in JavaScript | Trevor Indrek Lasn

Page URL History Show full URLs

  1. https://tracking.tldrnewsletter.com/CL0/https:%2F%2Ftrevorlasn.com%2Fblog%2Fcommon-causes-of-memory-leaks-in-jav... HTTP 302
    https://trevorlasn.com/blog/common-causes-of-memory-leaks-in-javascript/?utm_source=tldrwebdev HTTP 308
    https://www.trevorlasn.com/blog/common-causes-of-memory-leaks-in-javascript/?utm_source=tldrwebdev Page URL

Detected technologies

Overall confidence: 100%
Detected patterns
  • static\.cloudflareinsights\.com/beacon(?:\.min)?\.js
Overall confidence: 100%
Detected patterns
  • googletagmanager\.com/gtag/js

Page Statistics

26
Requests

92 %
HTTPS

50 %
IPv6

8
Domains

12
Subdomains

11
IPs

1
Countries

298 kB
Transfer

896 kB
Size

10
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://tracking.tldrnewsletter.com/CL0/https:%2F%2Ftrevorlasn.com%2Fblog%2Fcommon-causes-of-memory-leaks-in-javascript%2F%3Futm_source=tldrwebdev/1/0100019198b8e08a-a84affd1-9f9e-47f8-aeee-54b9006f7974-000000/LQ_CLS7JYh4w_qeEqKgQNqEVVG4PnzAnOdHykDQNkcE=368 HTTP 302
    https://trevorlasn.com/blog/common-causes-of-memory-leaks-in-javascript/?utm_source=tldrwebdev HTTP 308
    https://www.trevorlasn.com/blog/common-causes-of-memory-leaks-in-javascript/?utm_source=tldrwebdev Page URL

Redirected requests

There were HTTP redirect chains for the following requests:

Request Chain 19
  • https://c.clarity.ms/c.gif HTTP 302
  • https://c.bing.com/c.gif?ctsa=mr&CtsSyncId=58E1EA8DD4144F0BA6859FB6CAD29531&RedC=c.clarity.ms&MXFR=2641A3AEEC72609E3AFBB747E8726E67 HTTP 302
  • https://c.clarity.ms/c.gif?ctsa=mr&CtsSyncId=58E1EA8DD4144F0BA6859FB6CAD29531&MUID=327348CD787968F52C405C2479E9691D

26 HTTP transactions

Resource
Path		 Size
x-fer		 Type
MIME-Type
Primary Request /
www.trevorlasn.com/blog/common-causes-of-memory-leaks-in-javascript/
Redirect Chain
  • https://tracking.tldrnewsletter.com/CL0/https:%2F%2Ftrevorlasn.com%2Fblog%2Fcommon-causes-of-memory-leaks-in-javascript%2F%3Futm_source=tldrwebdev/1/0100019198b8e08a-a84affd1-9f9e-47f8-aeee-54b9006...
  • https://trevorlasn.com/blog/common-causes-of-memory-leaks-in-javascript/?utm_source=tldrwebdev
  • https://www.trevorlasn.com/blog/common-causes-of-memory-leaks-in-javascript/?utm_source=tldrwebdev
269 KB
19 KB 		Document
General
Check archive.org
Download Go to
Full URL
https://www.trevorlasn.com/blog/common-causes-of-memory-leaks-in-javascript/?utm_source=tldrwebdev
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:3035::ac43:b92c , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
5ae6bce9bc36c2e4a0fc1bca8e6713ce3fff47dd202a6cef91f3b26c491c4d63
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN

Request headers

Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36

Response headers

access-control-allow-headers
Content-Type
access-control-allow-methods
GET, OPTIONS
access-control-allow-origin
*
age
79940
alt-svc
h3=":443"; ma=86400
cache-control
public, max-age=0, must-revalidate
cf-cache-status
DYNAMIC
cf-ray
8ba4a8a31f18da1f-MIA
content-disposition
inline; filename="common-causes-of-memory-leaks-in-javascript"
content-encoding
br
content-type
text/html; charset=utf-8
cross-origin-resource-policy
same-origin
date
Wed, 28 Aug 2024 13:30:56 GMT
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
referrer-policy
strict-origin-when-cross-origin
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=zQk0bk97HXNTg1STp0quM38hPeGFPv2iR469knL3JbCaoMhFYg%2B0qAD6A3mNSMomjLRdcIrUadgI2gbbogAigxXwurC%2F2RdvI%2BLhxjP4NMdu3zPDELamM6DQz5WJaiYFzBdwwxA8QwCJv8fyPfhaOC8%3D"}],"group":"cf-nel","max_age":604800}
server
cloudflare
strict-transport-security
max-age=31536000; includeSubDomains; preload
x-content-type-options
nosniff
x-frame-options
SAMEORIGIN
x-vercel-cache
HIT
x-vercel-id
iad1::5hhsj-1724851855989-ae4835a72988

Redirect headers

alt-svc
h3=":443"; ma=86400
cache-control
public, max-age=0, must-revalidate
cf-cache-status
DYNAMIC
cf-ray
8ba4a8a178910a0e-MIA
content-type
text/html
date
Wed, 28 Aug 2024 13:30:55 GMT
location
https://www.trevorlasn.com/blog/common-causes-of-memory-leaks-in-javascript/?utm_source=tldrwebdev
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
priority
u=0,i
refresh
0;url=https://www.trevorlasn.com/blog/common-causes-of-memory-leaks-in-javascript/?utm_source=tldrwebdev
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=3%2F%2Bjk4bOYPq2yQA7JNTdy9k9xiKvmcAZbtlRbFBjKiqIGxMAf2%2B39hS3KzgdJt0HDp1%2FUgJRsBenLGSMhM2uAM6wpVGPMF1mAMF2Rp%2B9v0rkBFJh2j5anB7tkIeWmrczIg%3D%3D"}],"group":"cf-nel","max_age":604800}
server
cloudflare
strict-transport-security
max-age=63072000
x-vercel-id
iad1::c7hsw-1724851855699-ed8e638c95d2
inter-latin-400-normal.BT1H-PT_.woff2
www.trevorlasn.com/_astro/ 		21 KB
22 KB 		Font
General
Check archive.org
Download Go to
Full URL
https://www.trevorlasn.com/_astro/inter-latin-400-normal.BT1H-PT_.woff2
Requested by
Host: www.trevorlasn.com
URL: https://www.trevorlasn.com/blog/common-causes-of-memory-leaks-in-javascript/?utm_source=tldrwebdev
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:3035::ac43:b92c , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
2301bb030a2bcaa9c763cc4771bd717aac16709c29eaba00673fcbe7cdf99a59
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN

Request headers

Referer
https://www.trevorlasn.com/blog/common-causes-of-memory-leaks-in-javascript/?utm_source=tldrwebdev
Origin
https://www.trevorlasn.com
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36

Response headers

date
Wed, 28 Aug 2024 13:30:56 GMT
strict-transport-security
max-age=31536000; includeSubDomains; preload
x-content-type-options
nosniff
cf-cache-status
HIT
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
age
238807
cross-origin-resource-policy
same-origin
content-disposition
inline; filename="inter-latin-400-normal.BT1H-PT_.woff2"
alt-svc
h3=":443"; ma=86400
content-length
21564
referrer-policy
strict-origin-when-cross-origin
x-vercel-id
iad1::v65xx-1724613049589-93db3a6a2a81
server
cloudflare
etag
"73aaa95eab3115ea5a1e5c1cf16ea645"
x-vercel-cache
HIT
x-frame-options
SAMEORIGIN
access-control-allow-methods
GET, OPTIONS
content-type
font/woff2
access-control-allow-origin
*
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=%2By5%2BgN3T7NHg%2FBvQI425JBJbYjOFWAw0I48LTfPtAtIqsAPfZZfGye%2FoV9R0wWG01dpmaiR8T6A%2FcyHV3DCHlTnkxYgcaL7jBab4QZQEoiVDXBsRnUoY4XRDVOl2rwdcyqEn7YiI9Hr4Rh89r6v%2B6cE%3D"}],"group":"cf-nel","max_age":604800}
cache-control
public, max-age=31536000, immutable
vary
Accept-Encoding
accept-ranges
bytes
cf-ray
8ba4a8a4786bda1f-MIA
access-control-allow-headers
Content-Type
inter-latin-600-normal.B2Ssfs8e.woff2
www.trevorlasn.com/_astro/ 		22 KB
23 KB 		Font
General
Check archive.org
Download Go to
Full URL
https://www.trevorlasn.com/_astro/inter-latin-600-normal.B2Ssfs8e.woff2
Requested by
Host: www.trevorlasn.com
URL: https://www.trevorlasn.com/blog/common-causes-of-memory-leaks-in-javascript/?utm_source=tldrwebdev
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:3035::ac43:b92c , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
3022fadde78fd30c384797bcef8bebc18c96083527a850f62a58d8957a8b208f
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN

Request headers

Referer
https://www.trevorlasn.com/blog/common-causes-of-memory-leaks-in-javascript/?utm_source=tldrwebdev
Origin
https://www.trevorlasn.com
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36

Response headers

date
Wed, 28 Aug 2024 13:30:56 GMT
strict-transport-security
max-age=31536000; includeSubDomains; preload
x-content-type-options
nosniff
cf-cache-status
HIT
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
age
238807
cross-origin-resource-policy
same-origin
content-disposition
inline; filename="inter-latin-600-normal.B2Ssfs8e.woff2"
alt-svc
h3=":443"; ma=86400
content-length
22820
referrer-policy
strict-origin-when-cross-origin
x-vercel-id
iad1::rpfvh-1724613049591-d878fc29f495
server
cloudflare
etag
"0bf7eadca131e06ec47943f8b4981f72"
x-vercel-cache
HIT
x-frame-options
SAMEORIGIN
access-control-allow-methods
GET, OPTIONS
content-type
font/woff2
access-control-allow-origin
*
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=ida6zBfkCL5fRBlKOdw8mHTStqjSC%2Ftk4CPyeiFPIqNWGXieETRClSzqbFFUb21Dl3pRyZmM1h1fvI9vRvsf%2FppqD%2BZ41ZSYFozQUSpKekrwk4QCHmzfGlGrMCi4fuOr9tpyGVikBWOIIuUg3M8A6qw%3D"}],"group":"cf-nel","max_age":604800}
cache-control
public, max-age=31536000, immutable
vary
Accept-Encoding
accept-ranges
bytes
cf-ray
8ba4a8a4786dda1f-MIA
access-control-allow-headers
Content-Type
lora-latin-400-normal.CvHVDnm4.woff2
www.trevorlasn.com/_astro/ 		21 KB
21 KB 		Font
General
Check archive.org
Download Go to
Full URL
https://www.trevorlasn.com/_astro/lora-latin-400-normal.CvHVDnm4.woff2
Requested by
Host: www.trevorlasn.com
URL: https://www.trevorlasn.com/blog/common-causes-of-memory-leaks-in-javascript/?utm_source=tldrwebdev
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:3035::ac43:b92c , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
5aaa941328e6c9b4c140a8dfb8ab73187627cbf522c4b3309c71ec68be0b6325
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN

Request headers

Referer
https://www.trevorlasn.com/blog/common-causes-of-memory-leaks-in-javascript/?utm_source=tldrwebdev
Origin
https://www.trevorlasn.com
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36

Response headers

date
Wed, 28 Aug 2024 13:30:56 GMT
strict-transport-security
max-age=31536000; includeSubDomains; preload
x-content-type-options
nosniff
cf-cache-status
HIT
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
age
64702
cross-origin-resource-policy
same-origin
content-disposition
inline; filename="lora-latin-400-normal.CvHVDnm4.woff2"
alt-svc
h3=":443"; ma=86400
content-length
21108
referrer-policy
strict-origin-when-cross-origin
x-vercel-id
iad1::t2c6v-1724787154107-b254e5d73243
server
cloudflare
etag
"6a24bfe835a2b2e2d8b239f49f06d2f2"
x-vercel-cache
HIT
x-frame-options
SAMEORIGIN
access-control-allow-methods
GET, OPTIONS
content-type
font/woff2
access-control-allow-origin
*
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=Fy9%2BRVXC6NF5mBD%2FbiIh9ItR4bfqs806uKNprxKkC27W%2BN2noAbBuQZb%2FDtRclj8YX76EYffWwU0H9RV2PjNvFVbW8QS9OnOjcddA5ARwmtZrGWyKZviGriRnNqyrXzhTxFhUhF46rhFDSeOJ%2F0Owzw%3D"}],"group":"cf-nel","max_age":604800}
cache-control
public, max-age=31536000, immutable
vary
Accept-Encoding
accept-ranges
bytes
cf-ray
8ba4a8a4786eda1f-MIA
access-control-allow-headers
Content-Type
lora-latin-600-normal.DUWh3m6k.woff2
www.trevorlasn.com/_astro/ 		21 KB
22 KB 		Font
General
Check archive.org
Download Go to
Full URL
https://www.trevorlasn.com/_astro/lora-latin-600-normal.DUWh3m6k.woff2
Requested by
Host: www.trevorlasn.com
URL: https://www.trevorlasn.com/blog/common-causes-of-memory-leaks-in-javascript/?utm_source=tldrwebdev
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:3035::ac43:b92c , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
9e964a36ee21838ed041f66806e9e412e4362e2c4c26f6cd719288ec71b33ead
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN

Request headers

Referer
https://www.trevorlasn.com/blog/common-causes-of-memory-leaks-in-javascript/?utm_source=tldrwebdev
Origin
https://www.trevorlasn.com
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36

Response headers

date
Wed, 28 Aug 2024 13:30:56 GMT
strict-transport-security
max-age=31536000; includeSubDomains; preload
x-content-type-options
nosniff
cf-cache-status
HIT
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
age
238807
cross-origin-resource-policy
same-origin
content-disposition
inline; filename="lora-latin-600-normal.DUWh3m6k.woff2"
alt-svc
h3=":443"; ma=86400
content-length
21776
referrer-policy
strict-origin-when-cross-origin
x-vercel-id
iad1::4f49x-1724613049592-3a53332b56c2
server
cloudflare
etag
"14f8cf164069d57a65670484838bd883"
x-vercel-cache
HIT
x-frame-options
SAMEORIGIN
access-control-allow-methods
GET, OPTIONS
content-type
font/woff2
access-control-allow-origin
*
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=dTRZVrKFPKkQXaMhpWvLUsU4Q%2B58VlXpfXQeTPtnkW%2FgXX1vPa83Corjd6Hj%2BxO9GpkR7ed3Q9rWXNUksGsiJBSn%2BE669xWDnMbbGLwS%2F517lTG4xDDyip72VNZOxNkyqs%2BFqjrFG%2B2N%2FEHIKTupUVM%3D"}],"group":"cf-nel","max_age":604800}
cache-control
public, max-age=31536000, immutable
vary
Accept-Encoding
accept-ranges
bytes
cf-ray
8ba4a8a47870da1f-MIA
access-control-allow-headers
Content-Type
js
www.googletagmanager.com/gtag/ 		308 KB
102 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://www.googletagmanager.com/gtag/js?id=G-KJFD3C0H6H
Requested by
Host: www.trevorlasn.com
URL: https://www.trevorlasn.com/blog/common-causes-of-memory-leaks-in-javascript/?utm_source=tldrwebdev
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2607:f8b0:4006:81d::2008 , United States, ASN15169 (GOOGLE, US),
Reverse DNS
Software
Google Tag Manager /
Resource Hash
4065ebce73180687fdd90a25605e7e7029975ab9989091bb1fa7a1e84b87374e
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains
X-Xss-Protection 0

Request headers

Referer
https://www.trevorlasn.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36

Response headers

date
Wed, 28 Aug 2024 13:30:56 GMT
content-encoding
br
strict-transport-security
max-age=31536000; includeSubDomains
server
Google Tag Manager
vary
Accept-Encoding
content-type
application/javascript; charset=UTF-8
access-control-allow-origin
*
cache-control
private, max-age=900
access-control-allow-credentials
true
cross-origin-resource-policy
cross-origin
access-control-allow-headers
Cache-Control
content-length
104504
x-xss-protection
0
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
expires
Wed, 28 Aug 2024 13:30:56 GMT
_slug_.CqD4W_ej.css
www.trevorlasn.com/_astro/ 		40 KB
8 KB 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://www.trevorlasn.com/_astro/_slug_.CqD4W_ej.css
Requested by
Host: www.trevorlasn.com
URL: https://www.trevorlasn.com/blog/common-causes-of-memory-leaks-in-javascript/?utm_source=tldrwebdev
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:3035::ac43:b92c , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
a59cd081b5ebb13dfce3d3140790a1e5da97d4626442577356a0025c63a1dc7e
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN

Request headers

Referer
https://www.trevorlasn.com/blog/common-causes-of-memory-leaks-in-javascript/?utm_source=tldrwebdev
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36

Response headers

date
Wed, 28 Aug 2024 13:30:56 GMT
strict-transport-security
max-age=31536000; includeSubDomains; preload
x-content-type-options
nosniff
cf-cache-status
HIT
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
age
80099
content-encoding
br
cross-origin-resource-policy
same-origin
content-disposition
inline; filename="_slug_.CqD4W_ej.css"
alt-svc
h3=":443"; ma=86400
referrer-policy
strict-origin-when-cross-origin
x-vercel-id
iad1::2fw2r-1724771757422-5130b1bae7fb
server
cloudflare
etag
W/"307aa398c91086a4cf3f73101b4f9366"
x-vercel-cache
HIT
x-frame-options
SAMEORIGIN
access-control-allow-methods
GET, OPTIONS
content-type
text/css; charset=utf-8
access-control-allow-origin
*
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=3POP1rmOPAJ8RKtyQVCWL3oUeQzVUxqivMoRGAxN3MIfz5LvCANYCXIKqcb4GgLqAZlZJfbV4oKDZByz4zDvm63YTw0oThUAfTX9LFD238rYbmM1UHtGImwcNwQfJ0PakGGBb%2Boc%2B92ZW2%2BjO20G4x8%3D"}],"group":"cf-nel","max_age":604800}
cache-control
public, max-age=31536000, immutable
vary
Accept-Encoding
cf-ray
8ba4a8a47869da1f-MIA
access-control-allow-headers
Content-Type
hoisted.Cj7CuGXi.js
www.trevorlasn.com/_astro/ 		14 KB
5 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://www.trevorlasn.com/_astro/hoisted.Cj7CuGXi.js
Requested by
Host: www.trevorlasn.com
URL: https://www.trevorlasn.com/blog/common-causes-of-memory-leaks-in-javascript/?utm_source=tldrwebdev
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:3035::ac43:b92c , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
38f374ef1b07a460fb2a0546ff281a64e969d4ddd408081bafb54085145b72cc
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN

Request headers

Referer
https://www.trevorlasn.com/blog/common-causes-of-memory-leaks-in-javascript/?utm_source=tldrwebdev
Origin
https://www.trevorlasn.com
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36

Response headers

date
Wed, 28 Aug 2024 13:30:56 GMT
strict-transport-security
max-age=31536000; includeSubDomains; preload
x-content-type-options
nosniff
cf-cache-status
HIT
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
age
238807
content-encoding
br
cross-origin-resource-policy
same-origin
content-disposition
inline; filename="hoisted.Cj7CuGXi.js"
alt-svc
h3=":443"; ma=86400
referrer-policy
strict-origin-when-cross-origin
x-vercel-id
iad1::kf96l-1724613049592-ba0484b4f860
server
cloudflare
etag
W/"7e7521ae5fd7d57a5d5508f945485479"
x-vercel-cache
HIT
x-frame-options
SAMEORIGIN
access-control-allow-methods
GET, OPTIONS
content-type
application/javascript; charset=utf-8
access-control-allow-origin
*
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=DdVsw3y2V6pq0EyvLCOZzu4Uy7nG36Vb7Sj%2BrVoOOePc6p0fDIYDmqIxRKr9AsDPRKP21itbR1SEEZtbwkiF9W6UeR5QE1RL3beMY5gB6xUMBl8imw7T2T2PHCO8YjDfJn7hv%2BERNGHWr%2FhP49QMP80%3D"}],"group":"cf-nel","max_age":604800}
cache-control
public, max-age=31536000, immutable
vary
Accept-Encoding
cf-ray
8ba4a8a47871da1f-MIA
access-control-allow-headers
Content-Type
ni2tqs5cvl
www.clarity.ms/tag/ 		687 B
1 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://www.clarity.ms/tag/ni2tqs5cvl
Requested by
Host: www.trevorlasn.com
URL: https://www.trevorlasn.com/blog/common-causes-of-memory-leaks-in-javascript/?utm_source=tldrwebdev
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
2620:1ec:bdf::40 , United States, ASN8075 (MICROSOFT-CORP-MSN-AS-BLOCK, US),
Reverse DNS
Software
/
Resource Hash
1f73d3b4eb16cd74a27cc2dcabc2aaad6279f4f1489a624f2c7443a64def8851

Request headers

Referer
https://www.trevorlasn.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36

Response headers

request-context
appId=cid-v1:e55edbbe-e22b-46b4-8313-9ee2a4e71d12
date
Wed, 28 Aug 2024 13:30:56 GMT
x-azure-ref
20240828T133056Z-17f499b9d94828wdqfawsmt1ag0000000mxg0000000044ta
x-cache
CONFIG_NOCACHE
content-type
application/x-javascript
cache-control
no-cache, no-store
accept-ranges
bytes
content-length
687
expires
-1
ethicalads.min.js
media.ethicalads.io/media/client/ 		32 KB
10 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://media.ethicalads.io/media/client/ethicalads.min.js
Requested by
Host: www.trevorlasn.com
URL: https://www.trevorlasn.com/blog/common-causes-of-memory-leaks-in-javascript/?utm_source=tldrwebdev
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:20::681a:53e , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
6af7c038ae2a3b03f5a4da96119090dacba30213c9bf30a67d5bbd6b95084e98
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

Referer
https://www.trevorlasn.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36

Response headers

x-ms-blob-type
BlockBlob
date
Wed, 28 Aug 2024 13:30:56 GMT
strict-transport-security
max-age=31536000; includeSubDomains; preload
x-content-type-options
nosniff
cf-cache-status
HIT
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
content-md5
MQt/EHP8rZvwAZWSlKAYrw==
age
2449
content-encoding
br
x-ms-lease-status
unlocked
last-modified
Wed, 31 Jul 2024 22:20:35 GMT
server
cloudflare
vary
Accept-Encoding
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=jHw4rkSILOup00TpERAWHc546LpEU6sNp53gMABGeu1Z1F2agRgF6BzrGmTVWxJTGLCFXbmbsmB2dbw92gu59tkigiOHqQT7gyeEUPXFQ3ZJ%2BTAWGyddLBQfOoVEze%2BrcgvOJlF9FD3hrrjXSToQ198%3D"}],"group":"cf-nel","max_age":604800}
content-type
application/x-javascript
access-control-allow-origin
*
x-ms-request-id
578906ac-601e-0037-2a97-e3f2c7000000
cache-control
max-age=3600
x-ms-version
2009-09-19
cf-ray
8ba4a8a56977da1f-MIA
vcd15cbe7772f49c399c6a5babf22c1241717689176015
static.cloudflareinsights.com/beacon.min.js/ 		19 KB
7 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://static.cloudflareinsights.com/beacon.min.js/vcd15cbe7772f49c399c6a5babf22c1241717689176015
Requested by
Host: www.trevorlasn.com
URL: https://www.trevorlasn.com/blog/common-causes-of-memory-leaks-in-javascript/?utm_source=tldrwebdev
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6810:5049 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
8a18d13015336bc184819a5a768447462202ef3105ec511bf42ed8304a7ed94f

Request headers

Referer
https://www.trevorlasn.com/
Origin
https://www.trevorlasn.com
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36

Response headers

date
Wed, 28 Aug 2024 13:30:56 GMT
content-encoding
gzip
last-modified
Thu, 06 Jun 2024 15:52:56 GMT
server
cloudflare
etag
W/"2024.6.1"
vary
Accept-Encoding
content-type
text/javascript;charset=UTF-8
access-control-allow-origin
*
cache-control
public, max-age=86400
cross-origin-resource-policy
cross-origin
cf-ray
8ba4a8a76d6e288e-MIA
clarity.js
www.clarity.ms/s/0.7.45/ 		64 KB
27 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://www.clarity.ms/s/0.7.45/clarity.js
Requested by
Host: www.clarity.ms
URL: https://www.clarity.ms/tag/ni2tqs5cvl
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
2620:1ec:bdf::40 , United States, ASN8075 (MICROSOFT-CORP-MSN-AS-BLOCK, US),
Reverse DNS
Software
/
Resource Hash
264532af47b2cfb6620970592478c442a0cd429beccead9d062ff5a91284dc15

Request headers

Referer
https://www.trevorlasn.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36

Response headers

date
Wed, 28 Aug 2024 13:30:56 GMT
content-encoding
br
last-modified
Tue, 27 Aug 2024 16:52:58 GMT
etag
W/"0x8DCC6B8B484B650"
vary
Accept-Encoding
x-azure-ref
20240828T133056Z-17f499b9d94828wdqfawsmt1ag0000000mxg0000000044u6
content-type
application/javascript;charset=utf-8
access-control-allow-origin
*
x-ms-request-id
efd5c579-c01e-0066-04c4-f861fb000000
cache-control
public, max-age=86400
x-cache
TCP_HIT
x-ms-version
2018-03-28
x-fd-int-roxy-purgeid
51562430
/
server.ethicalads.io/api/v1/decision/ 		2 KB
1 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://server.ethicalads.io/api/v1/decision/?publisher=trevorlasncom&ad_types=image-v1&div_ids=ethical-container&callback=ad_1724851856609_748886&keywords=javascript%7Cnode%7Ccontainer&campaign_types=paid%7Cpublisher-house%7Ccommunity%7Chouse&format=jsonp&client_version=1.17.0&placement_index=0&url=https%3A%2F%2Fwww.trevorlasn.com%2Fblog%2Fcommon-causes-of-memory-leaks-in-javascript%2F
Requested by
Host: media.ethicalads.io
URL: https://media.ethicalads.io/media/client/ethicalads.min.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:20::681a:53e , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
9cad50ab8120c38ea50287205ae9a068a0129bdcc83b8d2ecbf005f4b0422253
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff
X-Frame-Options DENY

Request headers

Referer
https://www.trevorlasn.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36

Response headers

date
Wed, 28 Aug 2024 13:30:56 GMT
content-encoding
gzip
x-content-type-options
nosniff
strict-transport-security
max-age=31536000; includeSubDomains; preload
cf-cache-status
DYNAMIC
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
content-length
848
referrer-policy
strict-origin-when-cross-origin
server
cloudflare
cross-origin-opener-policy
same-origin
x-frame-options
DENY
allow
GET, POST, HEAD, OPTIONS
content-type
application/javascript; charset=utf-8
vary
Accept, Cookie,Accept-Encoding
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=nQXJf9cxZZHiSVmIzOdLWll26cqSuRlOt8DfO02UDuPVn7A4yc4kZIG3%2FookMlqUrIl2gfodh8VdDH9sqA3JeOMVrSbb8OT6fkbOy%2Bu7hnGR1kvbLi45OVlA9gwwuYv6E5JESAIdKLNDLEzBSaGEVxG6"}],"group":"cf-nel","max_age":604800}
x-server
ethicalads0002YO
cf-ray
8ba4a8a7fb84da1f-MIA
px.gif
media.ethicalads.io/abp/ 		43 B
440 B 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://media.ethicalads.io/abp/px.gif?ch=1&rn=2.0817151731944565
Requested by
Host: www.trevorlasn.com
URL: https://www.trevorlasn.com/blog/common-causes-of-memory-leaks-in-javascript/?utm_source=tldrwebdev
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:20::681a:53e , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
a5d9ceff1677643e67687fb62a8d04a28de54f64f37da4e33f7494fe8acbc891
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

Referer
https://www.trevorlasn.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36

Response headers

x-ms-blob-type
BlockBlob
date
Wed, 28 Aug 2024 13:30:56 GMT
strict-transport-security
max-age=31536000; includeSubDomains; preload
x-content-type-options
nosniff
cf-cache-status
HIT
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
content-md5
PvxrsrHic84LgsefLN5SmA==
age
3543
content-length
43
x-ms-lease-status
unlocked
last-modified
Tue, 10 Nov 2020 19:00:21 GMT
server
cloudflare
etag
0x8D885AADF65232D
vary
Accept-Encoding
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=xyjr8jYnVHMRYq79tRuf6vAVAEscgfqGiiZ47PVJWHwCNLOHKHfX202GrLKIqqAW0FlN3cL31mKMFQ8wmwX2vIPnO6eclVGSkLkQLCltjQhmrYSIgwZt98qXKEOQh1QgaIK6b%2BxfAhk6Q8KMUyzTmas%3D"}],"group":"cf-nel","max_age":604800}
content-type
image/gif
access-control-allow-origin
*
x-ms-request-id
bca4a9b8-a01e-00ae-18a8-d28d7a000000
cache-control
max-age=3600
x-ms-version
2009-09-19
accept-ranges
bytes
cf-ray
8ba4a8a7eb74da1f-MIA
px.gif
media.ethicalads.io/abp/ 		43 B
348 B 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://media.ethicalads.io/abp/px.gif?ch=2&rn=2.0817151731944565
Requested by
Host: www.trevorlasn.com
URL: https://www.trevorlasn.com/blog/common-causes-of-memory-leaks-in-javascript/?utm_source=tldrwebdev
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:20::681a:53e , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
a5d9ceff1677643e67687fb62a8d04a28de54f64f37da4e33f7494fe8acbc891
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

Referer
https://www.trevorlasn.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36

Response headers

x-ms-blob-type
BlockBlob
date
Wed, 28 Aug 2024 13:30:56 GMT
strict-transport-security
max-age=31536000; includeSubDomains; preload
x-content-type-options
nosniff
cf-cache-status
HIT
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
content-md5
PvxrsrHic84LgsefLN5SmA==
age
3543
content-length
43
x-ms-lease-status
unlocked
last-modified
Tue, 10 Nov 2020 19:00:21 GMT
server
cloudflare
etag
0x8D885AADF65232D
vary
Accept-Encoding
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=CzDChrN70dzFqsJf%2BPRba4vyg%2Bkyxh4gDpOtXfh4mR%2FUk0T%2B%2BkfZiTeY%2FNu00BH%2B%2Fyliz1J7IeZAp%2BAP7vt8Gpibyeqkv7wZNM1LCDk2YPN3klj1He8hS68YnwG6q6INC5eCfLPxnd%2Fdqn%2BbgCckyjw%3D"}],"group":"cf-nel","max_age":604800}
content-type
image/gif
access-control-allow-origin
*
x-ms-request-id
bca4a9b8-a01e-00ae-18a8-d28d7a000000
cache-control
max-age=3600
x-ms-version
2009-09-19
accept-ranges
bytes
cf-ray
8ba4a8a7eb7bda1f-MIA
Frame_1_2_qRzW3HD.png
ethicalads.blob.core.windows.net/media/images/2024/06/ 		26 KB
27 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://ethicalads.blob.core.windows.net/media/images/2024/06/Frame_1_2_qRzW3HD.png
Requested by
Host: www.trevorlasn.com
URL: https://www.trevorlasn.com/blog/common-causes-of-memory-leaks-in-javascript/?utm_source=tldrwebdev
Protocol
HTTP/1.1
Security
TLS 1.3, , AES_256_GCM
Server
20.209.68.33 Boydton, United States, ASN8075 (MICROSOFT-CORP-MSN-AS-BLOCK, US),
Reverse DNS
Software
Windows-Azure-Blob/1.0 Microsoft-HTTPAPI/2.0 /
Resource Hash
144b1b40f23b7e0199d82a10b4547881016d3d47b4da43f6943ad4ecf382c843

Request headers

Referer
https://www.trevorlasn.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36

Response headers

x-ms-lease-status
unlocked
x-ms-blob-type
BlockBlob
Date
Wed, 28 Aug 2024 13:30:56 GMT
Last-Modified
Wed, 19 Jun 2024 03:10:34 GMT
Server
Windows-Azure-Blob/1.0 Microsoft-HTTPAPI/2.0
Content-MD5
nK6DdMpOYxTKp9bOC7v6GQ==
ETag
0x8DC900D62D6CABE
Content-Type
image/png
Access-Control-Allow-Origin
*
x-ms-request-id
446ccfde-501e-004e-7f4e-f90ee3000000
x-ms-version
2009-09-19
Content-Length
26883
collect
x.clarity.ms/ 		0
282 B 		XHR
General
Check archive.org
Download Go to
Full URL
https://x.clarity.ms/collect
Requested by
Host: www.clarity.ms
URL: https://www.clarity.ms/s/0.7.45/clarity.js
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_256_GCM
Server
20.114.190.119 Boydton, United States, ASN8075 (MICROSOFT-CORP-MSN-AS-BLOCK, US),
Reverse DNS
Software
nginx /
Resource Hash
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

Request headers

Accept
application/x-clarity-gzip
Referer
https://www.trevorlasn.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36

Response headers

Access-Control-Allow-Origin
https://www.trevorlasn.com
Date
Wed, 28 Aug 2024 13:30:57 GMT
Access-Control-Allow-Credentials
true
Server
nginx
Connection
keep-alive
Vary
Origin
Request-Context
appId=cid-v1:e97341f6-8fff-46a6-9229-fbbfe0892c78
/
server.ethicalads.io/proxy/view/7573/dcfcaa55-b076-4f8f-ab11-9740c7ba25f4/ 		30 B
348 B 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://server.ethicalads.io/proxy/view/7573/dcfcaa55-b076-4f8f-ab11-9740c7ba25f4/
Requested by
Host: www.trevorlasn.com
URL: https://www.trevorlasn.com/blog/common-causes-of-memory-leaks-in-javascript/?utm_source=tldrwebdev
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:20::681a:53e , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff
X-Frame-Options DENY

Request headers

Referer
https://www.trevorlasn.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36

Response headers

date
Wed, 28 Aug 2024 13:30:56 GMT
strict-transport-security
max-age=31536000; includeSubDomains; preload
x-content-type-options
nosniff
referrer-policy
strict-origin-when-cross-origin
cf-cache-status
DYNAMIC
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
cross-origin-opener-policy
same-origin
server
cloudflare
vary
Cookie
x-frame-options
DENY
content-type
image/svg+xml
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=ZuhkI1mtT0XydaWoXGl9wKHUVjUM6cQmk4KU6pBhLlNKx5uTA77KOaz9Jya9IOGiYXvZRUqGfPTS%2FPem1cm2KnWQalKfV16JzjsqbhG1KCb7LTQule8mv08TT3wFtKnHhJ0%2ByXCeL3af3rWkB571NEzZ"}],"group":"cf-nel","max_age":604800}
x-server
ethicalads0002YU
cf-ray
8ba4a8a9bcf9da1f-MIA
content-length
30
partytown-sandbox-sw.html
www.trevorlasn.com/~partytown/ Frame 31B9 		32 KB
0 		Document
General
Check archive.org
Download Go to
Full URL
https://www.trevorlasn.com/~partytown/partytown-sandbox-sw.html?1724851856991
Requested by
Host: www.trevorlasn.com
URL: https://www.trevorlasn.com/blog/common-causes-of-memory-leaks-in-javascript/?utm_source=tldrwebdev
Protocol
HTTP/1.1
Security
QUIC, , AES_128_GCM
Server
-, , ASN (),
Reverse DNS
Software
/
Resource Hash
78d4793a328078f33536a8bcda9812d78ffa356277ec2a0c6eb1a62371f4be7d

Request headers

Referer
https://www.trevorlasn.com/blog/common-causes-of-memory-leaks-in-javascript/?utm_source=tldrwebdev
Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36

Response headers

Cache-Control
no-store
content-type
text/html
45f291f3-5a02-4a19-9900-84ba7d59f812
https://www.trevorlasn.com/ Frame 		0
0
c.gif
c.clarity.ms/
Redirect Chain
  • https://c.clarity.ms/c.gif
  • https://c.bing.com/c.gif?ctsa=mr&CtsSyncId=58E1EA8DD4144F0BA6859FB6CAD29531&RedC=c.clarity.ms&MXFR=2641A3AEEC72609E3AFBB747E8726E67
  • https://c.clarity.ms/c.gif?ctsa=mr&CtsSyncId=58E1EA8DD4144F0BA6859FB6CAD29531&MUID=327348CD787968F52C405C2479E9691D
42 B
443 B 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://c.clarity.ms/c.gif?ctsa=mr&CtsSyncId=58E1EA8DD4144F0BA6859FB6CAD29531&MUID=327348CD787968F52C405C2479E9691D
Protocol
H2
Server
20.110.205.119 Boydton, United States, ASN8075 (MICROSOFT-CORP-MSN-AS-BLOCK, US),
Reverse DNS
Software
Microsoft-IIS/10.0 / ASP.NET
Resource Hash
99c2917ee5b2a01459a923bdd1c676f15ee73b62b87f696e6735312d26f51e12

Request headers

Referer
https://www.trevorlasn.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36

Response headers

pragma
no-cache
date
Wed, 28 Aug 2024 13:30:56 GMT
last-modified
Wed, 14 Aug 2024 17:35:32 GMT
server
Microsoft-IIS/10.0
etag
"bb391b5d70eeda1:0"
x-powered-by
ASP.NET
content-type
image/gif
p3p
CP="BUS CUR CONo FIN IVDo ONL OUR PHY SAMo TELo"
cache-control
private, no-cache, proxy-revalidate, no-store
accept-ranges
bytes
content-length
42

Redirect headers

pragma
no-cache
date
Wed, 28 Aug 2024 13:30:56 GMT
accept-ch
Sec-CH-UA-Arch, Sec-CH-UA-Bitness, Sec-CH-UA-Full-Version, Sec-CH-UA-Full-Version-List, Sec-CH-UA-Mobile, Sec-CH-UA-Model, Sec-CH-UA-Platform, Sec-CH-UA-Platform-Version
x-msedge-ref
Ref A: 8EAD0973BAE941A8B557FB4A020B3689 Ref B: MIAEDGE1510 Ref C: 2024-08-28T13:30:57Z
x-powered-by
ASP.NET
x-cache
CONFIG_NOCACHE
p3p
CP="BUS CUR CONo FIN IVDo ONL OUR PHY SAMo TELo"
location
https://c.clarity.ms/c.gif?ctsa=mr&CtsSyncId=58E1EA8DD4144F0BA6859FB6CAD29531&MUID=327348CD787968F52C405C2479E9691D
cache-control
private, no-cache, proxy-revalidate, no-store
content-length
0
rum
www.trevorlasn.com/cdn-cgi/ 		0
143 B 		XHR
General
Check archive.org
Download Go to
Full URL
https://www.trevorlasn.com/cdn-cgi/rum?
Requested by
Host: static.cloudflareinsights.com
URL: https://static.cloudflareinsights.com/beacon.min.js/vcd15cbe7772f49c399c6a5babf22c1241717689176015
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
172.67.185.44 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Frame-Options DENY

Request headers

Referer
https://www.trevorlasn.com/blog/common-causes-of-memory-leaks-in-javascript/?utm_source=tldrwebdev
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36
content-type
application/json

Response headers

date
Wed, 28 Aug 2024 13:30:57 GMT
x-content-type-options
nosniff
server
cloudflare
vary
Origin
access-control-max-age
86400
access-control-allow-methods
POST,OPTIONS
access-control-allow-origin
https://www.trevorlasn.com
x-frame-options
DENY
access-control-allow-credentials
true
cf-ray
8ba4a8ab393bd9f9-MIA
favicon-light.svg
www.trevorlasn.com/ 		2 KB
1 KB 		Other
General
Check archive.org
Download Go to
Full URL
https://www.trevorlasn.com/favicon-light.svg
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
172.67.185.44 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
9aab5fb12bac495522d2dfe17557006487027b4b2545e08047bdc02febe483be
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN

Request headers

Referer
https://www.trevorlasn.com/blog/common-causes-of-memory-leaks-in-javascript/?utm_source=tldrwebdev
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36

Response headers

date
Wed, 28 Aug 2024 13:30:57 GMT
strict-transport-security
max-age=31536000; includeSubDomains; preload
x-content-type-options
nosniff
cf-cache-status
REVALIDATED
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
content-encoding
br
cross-origin-resource-policy
same-origin
content-disposition
inline; filename="favicon-light.svg"
alt-svc
h3=":443"; ma=86400
referrer-policy
strict-origin-when-cross-origin
x-vercel-id
iad1::hd2m2-1724613050643-75c716d69c82
server
cloudflare
etag
W/"04f15d175a9f426fd05a76e5e8139598"
x-vercel-cache
HIT
x-frame-options
SAMEORIGIN
access-control-allow-methods
GET, OPTIONS
content-type
image/svg+xml
access-control-allow-origin
*
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=iKBUaxV0dFV7Tzs1S10gO9HXAdxidvUAMmBAh1tnlgU9r9hUR8zs3WhWGSyD%2BC4L%2FdmnfwUzNYo6wlHQgloc2%2FhivQKpQM81MNsn%2BtdJdRrEyIAAvuwemkbboH1FXuhhLCNzl8s%3D"}],"group":"cf-nel","max_age":604800}
cache-control
public, max-age=2678400, must-revalidate
vary
Accept-Encoding
cf-ray
8ba4a8ab3942d9f9-MIA
access-control-allow-headers
Content-Type
priority
u=1,i
collect
x.clarity.ms/ 		0
282 B 		XHR
General
Check archive.org
Download Go to
Full URL
https://x.clarity.ms/collect
Requested by
Host: www.clarity.ms
URL: https://www.clarity.ms/s/0.7.45/clarity.js
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_256_GCM
Server
20.114.190.119 Boydton, United States, ASN8075 (MICROSOFT-CORP-MSN-AS-BLOCK, US),
Reverse DNS
Software
nginx /
Resource Hash
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

Request headers

Accept
application/x-clarity-gzip
Referer
https://www.trevorlasn.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36

Response headers

Access-Control-Allow-Origin
https://www.trevorlasn.com
Date
Wed, 28 Aug 2024 13:30:57 GMT
Access-Control-Allow-Credentials
true
Server
nginx
Connection
keep-alive
Vary
Origin
Request-Context
appId=cid-v1:e97341f6-8fff-46a6-9229-fbbfe0892c78
favicon-light.svg
www.trevorlasn.com/ 		2 KB
0 		Other
General
Check archive.org
Download Go to
Full URL
https://www.trevorlasn.com/favicon-light.svg
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
172.67.185.44 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
9aab5fb12bac495522d2dfe17557006487027b4b2545e08047bdc02febe483be
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN

Request headers

Referer
https://www.trevorlasn.com/blog/common-causes-of-memory-leaks-in-javascript/?utm_source=tldrwebdev
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36

Response headers

date
Wed, 28 Aug 2024 13:30:57 GMT
content-encoding
br
x-content-type-options
nosniff
cf-cache-status
REVALIDATED
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
cross-origin-resource-policy
same-origin
content-disposition
inline; filename="favicon-light.svg"
alt-svc
h3=":443"; ma=86400
referrer-policy
strict-origin-when-cross-origin
x-vercel-id
iad1::hd2m2-1724613050643-75c716d69c82
server
cloudflare
etag
W/"04f15d175a9f426fd05a76e5e8139598"
x-vercel-cache
HIT
x-frame-options
SAMEORIGIN
access-control-allow-methods
GET, OPTIONS
content-type
image/svg+xml
access-control-allow-origin
*
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=iKBUaxV0dFV7Tzs1S10gO9HXAdxidvUAMmBAh1tnlgU9r9hUR8zs3WhWGSyD%2BC4L%2FdmnfwUzNYo6wlHQgloc2%2FhivQKpQM81MNsn%2BtdJdRrEyIAAvuwemkbboH1FXuhhLCNzl8s%3D"}],"group":"cf-nel","max_age":604800}
cache-control
public, max-age=2678400, must-revalidate
vary
Accept-Encoding
cf-ray
8ba4a8ab3942d9f9-MIA
access-control-allow-headers
Content-Type
priority
u=1,i
collect
x.clarity.ms/ 		0
282 B 		XHR
General
Check archive.org
Download Go to
Full URL
https://x.clarity.ms/collect
Requested by
Host: www.clarity.ms
URL: https://www.clarity.ms/s/0.7.45/clarity.js
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_256_GCM
Server
20.114.190.119 Boydton, United States, ASN8075 (MICROSOFT-CORP-MSN-AS-BLOCK, US),
Reverse DNS
Software
nginx /
Resource Hash
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

Request headers

Accept
application/x-clarity-gzip
Referer
https://www.trevorlasn.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36

Response headers

Access-Control-Allow-Origin
https://www.trevorlasn.com
Date
Wed, 28 Aug 2024 13:30:59 GMT
Access-Control-Allow-Credentials
true
Server
nginx
Connection
keep-alive
Vary
Origin
Request-Context
appId=cid-v1:e97341f6-8fff-46a6-9229-fbbfe0892c78

Failed requests

These URLs were requested, but there was no response received. You will also see them in the list above.

Domain
www.trevorlasn.com
URL
blob:https://www.trevorlasn.com/45f291f3-5a02-4a19-9900-84ba7d59f812

Verdicts & Comments Add Verdict or Comment

18 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| 0 function| init function| animate function| onScroll function| scrollToTop function| toggleTheme function| preloadTheme function| clarity object| google_tag_manager object| google_tag_data object| dataLayer object| partytown object| ethicalads function| updateAdTheme object| themeObserver object| __cfBeacon function| ad_1724851856609_748886 number| _pttab

10 Cookies

Domain/Path Name / Value
www.clarity.ms/ Name: CLID
Value: cb5c9627b68a4f478c2e83b5d51e0b15.20240828.20250828
.trevorlasn.com/ Name: _clck
Value: n15fee%7C2%7Cfop%7C0%7C1701
.trevorlasn.com/ Name: _clsk
Value: 1l3vdk0%7C1724851857123%7C1%7C1%7Cx.clarity.ms%2Fcollect
.bing.com/ Name: MUID
Value: 327348CD787968F52C405C2479E9691D
.c.bing.com/ Name: MR
Value: 0
.c.bing.com/ Name: SRM_B
Value: 327348CD787968F52C405C2479E9691D
.c.clarity.ms/ Name: SM
Value: C
.clarity.ms/ Name: MUID
Value: 327348CD787968F52C405C2479E9691D
.c.clarity.ms/ Name: MR
Value: 0
.c.clarity.ms/ Name: ANONCHK
Value: 0

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-Frame-Options SAMEORIGIN

Indicators

This is a term in the security industry to describe indicators such as IPs, Domains, Hashes, etc. This does not imply that any of these indicate malicious activity.

c.bing.com
c.clarity.ms
ethicalads.blob.core.windows.net
media.ethicalads.io
server.ethicalads.io
static.cloudflareinsights.com
tracking.tldrnewsletter.com
trevorlasn.com
www.clarity.ms
www.googletagmanager.com
www.trevorlasn.com
x.clarity.ms
www.trevorlasn.com

172.67.185.44
172.67.214.20
20.110.205.119
20.114.190.119
20.209.68.33
2606:4700:20::681a:53e
2606:4700:3035::ac43:b92c
2606:4700::6810:5049
2607:f8b0:4006:81d::2008
2620:1ec:bdf::40
2620:1ec:c11::237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