SPOF-O-Matic

Detects likely third-party single points of failure as you browse and allows you to Simulate 3rd party resources being unavailable.

SPOF-O-Matic: Detect Third-Party Single Points of Failure

SPOF-O-Matic is a Chrome extension that detects likely third-party single points of failure as you browse. It allows you to simulate the unavailability of third-party resources to see the impact on websites. Enhance website reliability and performance with SPOF-O-Matic.
Download

Extension stats

Users: 1,702+
Rating: 4.22
(9)
Version: 0.8 (Last updated: 2012-09-12)
Creation date: 2012-09-12
Risk impact: High risk impact
Risk likelihood:
High risk likelihood
Manifest version: 2
Permissions:
  • tabs
  • webNavigation
  • webRequest
  • webRequestBlocking
  • http://*/*
  • https://*/*
Size: 17.45K
Price: Free

Other platforms

Not available on Android
Not available on Firefox
Not available on Edge
Want to check extension ranking and stats more quickly for other Chrome extensions? Install Chrome-Stats extension to view Chrome-Stats data as you browse the Chrome Web Store.

Extension summary

Analyze keywords

Updates in 0.8:

  • Create a WebPagetest comparison video directly from the SPOF-O-matic results

Updates in 0.7:

  • Improved detection for domains with 3-tiers to the TLD (*.co.uk for example)

Updates in 0.6:

  • Fixed black-holing of font stylesheets

Updates in 0.5:

  • Added support for detecting external css files for fonts
  • Fixed URL parsing to detect more cases

Description:

See more

User reviews

really nice tool...
by Piyush Chandra, 2016-02-09
Great extension to test and showcase 3rd party dependencies.
by Sergey Chernyshev, 2015-05-24
great tool from patrick
by stephane bachelier, 2012-10-04
View all user reviews

Extension safety

Risk impact

SPOF-O-Matic requires some sensitive permissions that could impact your browser and data security. Exercise caution before installing.

Risk likelihood

SPOF-O-Matic may not be trust-worthy. Avoid installing if possible unless you really trust this publisher.

Upgrade to see risk analysis details

Promo images

SPOF-O-Matic small promo image
Small promo image

Similar extensions

Here are some Chrome extensions that are similar to SPOF-O-Matic:

3PO#fail
3PO#fail
https://www.phpied.com
N/A
35
CSS Dig
CSS Dig
https://cssdig.com
2.86
10,000+
DOM Monster
DOM Monster
Artem Gordinsky
3.00
1,059+
Web Performance Timing API
Web Performance Timing API
gregory.mazurek
5.00
1,000+
Accessibility Developer Tools
Accessibility Developer Tools
Google Accessibility
4.10
57,174+
Performance Scorecard
Performance Scorecard
http://performancescorecard.net
5.00
588
Piez
Piez
Brett Sykes
4.82
6,000+
Akamai debug headers
Akamai debug headers
preflightsiren
3.79
10,000+
Performance-Analyser
Performance-Analyser
Michael Mrowetz
4.49
30,000+
NCC Image Checker
NCC Image Checker
NCC Group Web Performance
5.00
701
performance-HTML
performance-HTML
Daniel Lucks
4.38
1,000+
WebPageTest
WebPageTest
Catchpoint Systems Inc
5.00
4,000+
Akamai Developer Toolkit
Akamai Developer Toolkit
akamai.developer.toolkit
4.29
3,000+
Web Vitals
Web Vitals
addyosmani
4.21
100,000+
Coach Panel
Coach Panel
Matthew Harrison-Jones
2.53
684
Pragma Header
Pragma Header
Fernando Ike (fike)
N/A
1,000+
CSS Gradient Inspector
CSS Gradient Inspector
Rafael Caricio
5.00
1,000+
PageSpeed Insights Checker for Mobile
PageSpeed Insights Checker for Mobile
[email protected]
3.21
3,000+
Grunt Devtools
Grunt Devtools
http://vladfilippov.com
4.74
5,055+
PageSpeed Insights (MV3)
PageSpeed Insights (MV3)
instwave.com
3.47
40,000+
Catchpoint Script Recorder
Catchpoint Script Recorder
Catchpoint Systems Inc
2.25
2,000+
Is It Cached?
Is It Cached?
http://raphael.vullriede.de
3.56
1,000+
OctoLinker
OctoLinker
https://octolinker.vercel.app
4.88
20,000+
Page Benchmarker
Page Benchmarker
[email protected]
2.42
1,644+