lutbot.com
16.182.101.53  Public Scan Open in urlscan Pro

Internal
urlscan.io (IP) urlscan.io (Domain)
Effective Hostname
VirusTotal SecurityTrails crt.sh
Submitted URL
Google Safe Browsing Archive.org
Effective IP
VirusTotal SecurityTrails Domaintools Censys
Go To Rescan
Add Verdict Report
URL:
http://lutbot.com/ 7yr old
Submission: On March 31 via api (March 31st 2024, 3:43:48 am UTC) from US — Scanned from DE
Summary HTTP 10 Redirects Links 2  Behaviour Indicators
Similar DOM Content API
Verdicts

Summary

This website contacted 4 IPs in 3 countries across 3 domains to perform 10 HTTP transactions. The main IP is 16.182.101.53, located in Ashburn, United States and belongs to AMAZON-02, US. The main domain is lutbot.com. 7yr old
This is the only time lutbot.com was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

IP Address AS Autonomous System
6 16.182.101.53 16.182.101.53 16509 (AMAZON-02) (AMAZON-02)
1 2606:4700::68... 2606:4700::6812:acf 13335 (CLOUDFLAR...) (CLOUDFLARENET)
2 2a00:1450:400... 2a00:1450:4001:813::200a 15169 (GOOGLE) (GOOGLE)
1 104.18.11.207 104.18.11.207 13335 (CLOUDFLAR...) (CLOUDFLARENET)
10 4
Apex Domain
Subdomains		 Transfer
6 lutbot.com
lutbot.com 7yr old
195 KB
2 googleapis.com
ajax.googleapis.com — Cisco Umbrella Rank: 357 10yr old
49 KB
2 bootstrapcdn.com
netdna.bootstrapcdn.com — Cisco Umbrella Rank: 3130 13yr old
49 KB
10 3
Domain Requested by
6 lutbot.com lutbot.com
ajax.googleapis.com
2 ajax.googleapis.com lutbot.com
2 netdna.bootstrapcdn.com lutbot.com
netdna.bootstrapcdn.com
10 3

This site contains links to these domains. Also see Links.

Domain
ahkscript.org
www.patreon.com
Subject Issuer Validity Valid
bootstrapcdn.com
GTS CA 1P5		 2024-03-27 -
2024-06-25		 3mo crt.sh

This page contains 1 frames:

Primary Page: http://lutbot.com/
Frame ID: A2CF31B87F2526A3DF1B9C7B2503745E
Requests: 10 HTTP requests in this frame

Screenshot
Live screenshot
Full Image

Page URL History Show full URLs

  1. http://lutbot.com/ HTTP 307
    https://lutbot.com/ HTTP 307
    http://lutbot.com/ Page URL

Detected technologies

(UI frameworks)
Overall confidence: 100%
Detected patterns
  • <link[^>]* href=[^>]*?bootstrap(?:[^>]*?([0-9a-fA-F]{7,40}|[\d]+(?:.[\d]+(?:.[\d]+)?)?)|)[^>]*?(?:\.min)?\.css
  • bootstrap(?:[^>]*?([0-9a-fA-F]{7,40}|[\d]+(?:.[\d]+(?:.[\d]+)?)?)|)[^>]*?(?:\.min)?\.js
(JavaScript frameworks)
Overall confidence: 100%
Detected patterns
  • /([\d.]+(?:-?rc[.\d]*)*)/angular(?:\.min)?\.js
  • \bangular.{0,32}\.js
(Font scripts)
Overall confidence: 100%
Detected patterns
  • <link[^>]* href=[^>]+(?:([\d.]+)/)?(?:css/)?font-awesome(?:\.min)?\.css
  • <link[^>]* href=[^>]*?(?:F|f)o(?:n|r)t-?(?:A|a)wesome(?:[^>]*?([0-9a-fA-F]{7,40}|[\d]+(?:.[\d]+(?:.[\d]+)?)?)|)
  • (?:F|f)o(?:n|r)t-?(?:A|a)wesome(?:.*?([0-9a-fA-F]{7,40}|[\d]+(?:.[\d]+(?:.[\d]+)?)?)|)
(Font scripts)
Overall confidence: 100%
Detected patterns
  • googleapis\.com/.+webfont

Page Statistics

10
Requests

10 %
HTTPS

50 %
IPv6

3
Domains

3
Subdomains

4
IPs

3
Countries

293 kB
Transfer

396 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://lutbot.com/ HTTP 307
    https://lutbot.com/ HTTP 307
    http://lutbot.com/ Page URL

Redirected requests

There were HTTP redirect chains for the following requests:

Request Chain 1
  • http://netdna.bootstrapcdn.com/font-awesome/4.0.0/css/font-awesome.css HTTP 307
  • https://netdna.bootstrapcdn.com/font-awesome/4.0.0/css/font-awesome.css

10 HTTP transactions
0 data transactions

Method
Protocol		 Status Resource
Path		 Size
x-fer		 Time
Latency		 Type
MIME-Type		 IP
Location
GET
H/1.1 		200
OK 		Primary Request / Show response
lutbot.com/
Redirect Chain
  • http://lutbot.com/
  • https://lutbot.com/
  • http://lutbot.com/
1 KB
2 KB 		137ms
137ms 		Document
text/html		 16.182.101.53
AMAZON-02
General
Check archive.org
Download Go to
Full URL
http://lutbot.com/
Protocol
HTTP/1.1
Server
16.182.101.53 Ashburn, United States, ASN16509 (AMAZON-02, US),
Reverse DNS
s3-website-us-east-1.amazonaws.com
Software
AmazonS3 /
Resource Hash
77ca6162d541871429cc1fbaf7b2681f391e60035019db207ee9a5ad43458bfb

Request headers

Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36
accept-language
de-DE,de;q=0.9

Response headers

Content-Length
1523
Content-Type
text/html
Date
Sun, 31 Mar 2024 03:43:53 GMT
ETag
"515f791ee9a3c5604aeaf054ee194481"
Last-Modified
Fri, 04 Aug 2017 03:15:24 GMT
Server
AmazonS3
x-amz-id-2
ECM3wLZEZGM/Fap1J/JAOROpNQH1txMaVYpSbapx1k4CU8Z7QX2twJWACKummXegCtoA5Q3Wv8Q=
x-amz-request-id
9QNKA8VCM2E09H2K

Redirect headers

Location
http://lutbot.com/
Non-Authoritative-Reason
HttpsUpgrades
GET
H/1.1 		200
OK 		bootstrap.min.css
lutbot.com/ 		139 KB
139 KB 		133ms
132ms 		Stylesheet
text/css		 16.182.101.53
AMAZON-02
General
Check archive.org
Download Go to
Full URL
http://lutbot.com/bootstrap.min.css
Requested by
Host: lutbot.com
URL: http://lutbot.com/
Protocol
HTTP/1.1
Server
16.182.101.53 Ashburn, United States, ASN16509 (AMAZON-02, US),
Reverse DNS
s3-website-us-east-1.amazonaws.com
Software
AmazonS3 /
Resource Hash
278b1cdc20e6f224ca2f6f35246f8c8f12bc245a0ec84b540fe66b363794541a

Request headers

accept-language
de-DE,de;q=0.9
Referer
http://lutbot.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36

Response headers

Date
Sun, 31 Mar 2024 03:43:53 GMT
Last-Modified
Fri, 04 Aug 2017 03:15:08 GMT
Server
AmazonS3
x-amz-request-id
9QNRNM3MT8YRH8TE
ETag
"56e6acada8311c4fa36cf878e6968ab2"
Content-Type
text/css
Content-Length
142247
x-amz-id-2
Lw8/D28W76goqHbCBrCvZvEdKuFATqXZSlxH5DpHNnigzvQtlwoofbZJsRi6cL//fvMlg1nFggk=
GET
H2 		200
 font-awesome.css
netdna.bootstrapcdn.com/font-awesome/4.0.0/css/
Redirect Chain
  • http://netdna.bootstrapcdn.com/font-awesome/4.0.0/css/font-awesome.css
  • https://netdna.bootstrapcdn.com/font-awesome/4.0.0/css/font-awesome.css
22 KB
5 KB 		75ms
29ms 		Stylesheet
text/css		 2606:4700::6812:acf
CLOUDFLARENET
General
Check archive.org
Download Go to
Full URL
https://netdna.bootstrapcdn.com/font-awesome/4.0.0/css/font-awesome.css
Requested by
Host: lutbot.com
URL: http://lutbot.com/
Protocol
H2
Server
2606:4700::6812:acf , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
895afd4e827647772f3b53666068d50657ef5160833e1c7f2d6b18974068b55d
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

accept-language
de-DE,de;q=0.9
Referer
http://lutbot.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36

Response headers

date
Sun, 31 Mar 2024 03:43:52 GMT
strict-transport-security
max-age=31536000; includeSubDomains; preload
x-content-type-options
nosniff
cf-cache-status
HIT
content-encoding
br
cdn-edgestorageid
1077
age
859693
cdn-cachedat
01/04/2023 09:20:27
cdn-pullzone
252412
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=86400
last-modified
Mon, 25 Jan 2021 22:04:52 GMT
cdn-proxyver
1.03
cdn-requestpullcode
200
server
cloudflare
etag
W/"e550348ef8efe927e855c90297549a24"
vary
Accept-Encoding
content-type
text/css; charset=utf-8
access-control-allow-origin
*
cdn-cache
HIT
cdn-uid
b1941f61-b576-4f40-80de-5677acb38f74
cache-control
public, max-age=31919000
cdn-requestid
db1a7b26c7231513a4766c7a914ed7f5
timing-allow-origin
*
cdn-requestcountrycode
DE
cdn-status
200
cf-ray
86cd56727b499764-FRA
cdn-requestpullsuccess
True

Redirect headers

Location
https://netdna.bootstrapcdn.com/font-awesome/4.0.0/css/font-awesome.css
Non-Authoritative-Reason
DNS
Cross-Origin-Resource-Policy
Cross-Origin
GET
H/1.1 		200
OK 		angular.min.js Show response
ajax.googleapis.com/ajax/libs/angularjs/1.2.25/ 		105 KB
40 KB 		48ms
21ms 		Script
text/javascript		 2a00:1450:4001:813::200a
GOOGLE
General
Check archive.org
Download Go to
Full URL
http://ajax.googleapis.com/ajax/libs/angularjs/1.2.25/angular.min.js
Requested by
Host: lutbot.com
URL: http://lutbot.com/
Protocol
HTTP/1.1
Server
2a00:1450:4001:813::200a Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
sffe /
Resource Hash
861e5d51a9f90533d2f4883792535a54ae68fc4c637bcba9c49fbac3c46c1382
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

accept-language
de-DE,de;q=0.9
Referer
http://lutbot.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36

Response headers

Date
Tue, 26 Mar 2024 19:54:39 GMT
Content-Encoding
gzip
X-Content-Type-Options
nosniff
Age
373753
Content-Security-Policy-Report-Only
require-trusted-types-for 'script'; report-uri https://csp.withgoogle.com/csp/hosted-libraries-pushers
Cross-Origin-Resource-Policy
cross-origin
Content-Length
39946
X-XSS-Protection
0
Last-Modified
Tue, 03 Mar 2020 19:15:00 GMT
Server
sffe
Cross-Origin-Opener-Policy
same-origin; report-to="hosted-libraries-pushers"
Vary
Accept-Encoding
Report-To
{"group":"hosted-libraries-pushers","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/hosted-libraries-pushers"}]}
Content-Type
text/javascript; charset=UTF-8
Access-Control-Allow-Origin
*
Cache-Control
public, max-age=31536000, stale-while-revalidate=2592000
Accept-Ranges
bytes
Timing-Allow-Origin
*
Expires
Wed, 26 Mar 2025 19:54:39 GMT
GET
H/1.1 		200
OK 		angular-route.js Show response
ajax.googleapis.com/ajax/libs/angularjs/1.2.25/ 		32 KB
9 KB 		48ms
22ms 		Script
text/javascript		 2a00:1450:4001:813::200a
GOOGLE
General
Check archive.org
Download Go to
Full URL
http://ajax.googleapis.com/ajax/libs/angularjs/1.2.25/angular-route.js
Requested by
Host: lutbot.com
URL: http://lutbot.com/
Protocol
HTTP/1.1
Server
2a00:1450:4001:813::200a Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
sffe /
Resource Hash
9c0056aa2edf0d4c0f91a634f4bf5f98cf872ad17910f57fb7d25a667c6e5cfd
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

accept-language
de-DE,de;q=0.9
Referer
http://lutbot.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36

Response headers

Date
Sat, 30 Mar 2024 05:11:51 GMT
Content-Encoding
gzip
X-Content-Type-Options
nosniff
Age
81121
Content-Security-Policy-Report-Only
require-trusted-types-for 'script'; report-uri https://csp.withgoogle.com/csp/hosted-libraries-pushers
Cross-Origin-Resource-Policy
cross-origin
Content-Length
8647
X-XSS-Protection
0
Last-Modified
Tue, 03 Mar 2020 19:15:00 GMT
Server
sffe
Cross-Origin-Opener-Policy
same-origin; report-to="hosted-libraries-pushers"
Vary
Accept-Encoding
Report-To
{"group":"hosted-libraries-pushers","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/hosted-libraries-pushers"}]}
Content-Type
text/javascript; charset=UTF-8
Access-Control-Allow-Origin
*
Cache-Control
public, max-age=31536000, stale-while-revalidate=2592000
Accept-Ranges
bytes
Timing-Allow-Origin
*
Expires
Sun, 30 Mar 2025 05:11:51 GMT
GET
H/1.1 		200
OK 		script.js Show response
lutbot.com/ 		2 KB
2 KB 		241ms
137ms 		Script
application/javascript		 16.182.101.53
AMAZON-02
General
Check archive.org
Download Go to
Full URL
http://lutbot.com/script.js
Requested by
Host: lutbot.com
URL: http://lutbot.com/
Protocol
HTTP/1.1
Server
16.182.101.53 Ashburn, United States, ASN16509 (AMAZON-02, US),
Reverse DNS
s3-website-us-east-1.amazonaws.com
Software
AmazonS3 /
Resource Hash
db4caf72b8eddc3f7dbb4e4c702affc07687963c1d967cbada0616e70c538167

Request headers

accept-language
de-DE,de;q=0.9
Referer
http://lutbot.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36

Response headers

Date
Sun, 31 Mar 2024 03:43:53 GMT
Last-Modified
Fri, 04 Aug 2017 02:18:49 GMT
Server
AmazonS3
x-amz-request-id
9QNT4ES2SEVCZG5V
ETag
"f654251c22f301eba7d9ea9c101df16a"
Content-Type
application/javascript
Content-Length
1545
x-amz-id-2
k1Y+VJJ+xppzUT6BZuRIDZWVdKfqjtvADyzinF6mio3+WYoAhucGbbm1siSVqZLtOsnNN5axoaA=
GET
H/1.1 		200
OK 		ahk.html Show response
lutbot.com/pages/ 		1 KB
2 KB 		124ms
124ms 		XHR
text/html		 16.182.101.53
AMAZON-02
General
Check archive.org
Download Go to
Full URL
http://lutbot.com/pages/ahk.html
Requested by
Host: ajax.googleapis.com
URL: http://ajax.googleapis.com/ajax/libs/angularjs/1.2.25/angular.min.js
Protocol
HTTP/1.1
Server
16.182.101.53 Ashburn, United States, ASN16509 (AMAZON-02, US),
Reverse DNS
s3-website-us-east-1.amazonaws.com
Software
AmazonS3 /
Resource Hash
ec1b39f5b9cb3644073387a4a7217e8b5c69bda2ea45d54baa965f44752b5557

Request headers

Accept
application/json, text/plain, */*
Referer
http://lutbot.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/123.0.0.0 Safari/537.36

Response headers

Date
Sun, 31 Mar 2024 03:43:54 GMT
Last-Modified
Sat, 29 Jul 2017 17:31:06 GMT
Server
AmazonS3
x-amz-request-id
ER3QKFG2NA1CJ363
ETag
"595b386fe98341344c7da73c867f2593"
Content-Type
text/html
Content-Length
1365
x-amz-id-2
qK+nzpa9rieMAWa8Y2UVyEvX9IQg9Agsuip+yYpxFQc/Z+mGZJ517uweC8kLNVj3xKQHOFuY54o=
GET
H3 		200
 fontawesome-webfont.woff
netdna.bootstrapcdn.com/font-awesome/4.0.0/fonts/ 		43 KB
44 KB 		73ms
28ms 		Font
font/woff		 104.18.11.207
CLOUDFLARENET
General
Check archive.org
Download Go to
Full URL
https://netdna.bootstrapcdn.com/font-awesome/4.0.0/fonts/fontawesome-webfont.woff?v=4.0.0
Requested by
Host: netdna.bootstrapcdn.com
URL: https://netdna.bootstrapcdn.com/font-awesome/4.0.0/css/font-awesome.css
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
104.18.11.207 -, , ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
c151a7e68aedc7bd4d84cb2096e92ee2f055c16be01c2ba027acd38b6cc9d52a
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

sec-ch-ua
"Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer
https://netdna.bootstrapcdn.com/font-awesome/4.0.0/css/font-awesome.css
Origin
http://lutbot.com
accept-language
de-DE,de;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Sun, 31 Mar 2024 03:43:53 GMT
strict-transport-security
max-age=31536000; includeSubDomains; preload
x-content-type-options
nosniff
cf-cache-status
HIT
cdn-edgestorageid
1048
age
1507226
cdn-cachedat
11/11/2022 02:45:01
cdn-pullzone
252412
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=86400
content-length
44476
last-modified
Mon, 25 Jan 2021 22:04:52 GMT
cdn-proxyver
1.03
cdn-requestpullcode
200
server
cloudflare
etag
"fb0869e352d83a49579e9cd4d9ac1c6b"
vary
Accept-Encoding
content-type
font/woff
access-control-allow-origin
*
cdn-cache
HIT
cdn-uid
b1941f61-b576-4f40-80de-5677acb38f74
cache-control
public, max-age=31919000
cdn-requestid
1ec7d536d386ade27baf992c277c8b3e
accept-ranges
bytes
timing-allow-origin
*
cdn-requestcountrycode
DE
cdn-status
200
cf-ray
86cd56755db31911-FRA
cdn-requestpullsuccess
True
GET
H/1.1 		404
Not Found 		favicon.ico
lutbot.com/ 		346 B
614 B 		115ms
115ms 		Other
text/html		 16.182.101.53
AMAZON-02
General
Check archive.org
Download Go to
Full URL
http://lutbot.com/favicon.ico
Protocol
HTTP/1.1
Server
16.182.101.53 Ashburn, United States, ASN16509 (AMAZON-02, US),
Reverse DNS
s3-website-us-east-1.amazonaws.com
Software
AmazonS3 /
Resource Hash
90a1b34e9c387d208f0b6b9245ef16a01c2d64fd6c61a933b306a616d2cb384f

Request headers

accept-language
de-DE,de;q=0.9
Referer
http://lutbot.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36

Response headers

Date
Sun, 31 Mar 2024 03:43:53 GMT
Server
AmazonS3
x-amz-request-id
ER3NW68EGH50DSDH
Content-Length
346
x-amz-id-2
aPnvloti51BQijbPa+5H9s6J9XuT4Hn6oVuc2S5UXlcSZeQ8YfN1xN86URsmKl3ouNn/w3/FxBs=
Content-Type
text/html; charset=utf-8
GET
H/1.1 		200
OK 		macro.png
lutbot.com/img/ 		50 KB
50 KB 		122ms
122ms 		Image
image/png		 16.182.101.53
AMAZON-02
General
Check archive.org
Download Go to Show image
Full URL
http://lutbot.com/img/macro.png
Protocol
HTTP/1.1
Server
16.182.101.53 Ashburn, United States, ASN16509 (AMAZON-02, US),
Reverse DNS
s3-website-us-east-1.amazonaws.com
Software
AmazonS3 /
Resource Hash
49a9c18c6b01dc9928a4e4102d2e692fc2bed002dc9679308153978afab26390

Request headers

accept-language
de-DE,de;q=0.9
Referer
http://lutbot.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36

Response headers

Date
Sun, 31 Mar 2024 03:43:54 GMT
Last-Modified
Fri, 04 Aug 2017 03:27:58 GMT
Server
AmazonS3
x-amz-request-id
ER3PXCY4ZJ7V9MZE
ETag
"8657ec5f8da17d779ad2d2b2d8c5fb76"
Content-Type
image/png
Content-Length
50889
x-amz-id-2
IiELW8CRHOvcC1QUUPziAk/MjQ2GRcvGpeJmHSDcP+K1wC9XHMOqFzJ0tdoTxo6v1p8Cxk9oQ6o=

Verdicts & Comments Add Verdict or Comment

4 JavaScript Window variables

These are the non-standard variables defined on the window object. These include var declarations and global functions and can be helpful in identifying possible client-side frameworks and code.

object| onpagereveal object| angular number| ng339 object| scotchApp

0 Cookies

Cookies are little pieces of information stored in the browser of a user. Whenever a user visits the site again, he will also send his cookie values, thus allowing the website to re-identify him even if he changed locations. This is how permanent logins work.

1 Console Messages

A page may trigger messages to the console to be logged. These are often error messages about being unable to load a resource or execute a piece of JavaScript. Sometimes they also provide insight into the technology behind a website.

Source Level URL
Text
network error URL: http://lutbot.com/favicon.ico
Message:
Failed to load resource: the server responded with a status of 404 (Not Found)