Perfmap

Heatmap of resources loaded in the browser using the Resource Timing API
Perfmap is a front-end performance heatmap of resources loaded in the browser using the Resource Timing API. It allows users to visualize the timing at which images finished loading and provides insights into user experience. With a legend and timeline indicator, it offers a comprehensive view of page load timings. Get the extension now!
Manifest V2
Users: 5,557+
Rating: 4.69
(13)
Version: 1.2 (Last updated: 2014-10-25)
Permissions:
  • tabs
  • http://*/*
  • https://*/*
Size: 148.48K
Price: Free
Full description: See detailed description
Updated: 4 years ago

User reviews

+Me sorprendió la manera de mostrar las estadísticas. -Se podrían poner más claros los tiempo.
by Jo Be, 2017-10-18

Could you please that I am able to modify the text result. Like change the font size maybe? Thank you

Great tool. Really useful. Thanks a lot.
by Laur Rent, 2015-08-08
View all user reviews

Extension safety

Risk impact

Perfmap requires some sensitive permissions that could impact your browser and data security. Exercise caution before installing.

Risk impact analysis details
  • Critical Grants access to browser tabs, which can be used to track user browsing habits and history, presenting a privacy concern.
  • Critical ****** ****** ** *** ********* ****** * *********** ******** **** ** ** *** ******* *** ****** **** **** *** ******* *****
  • Low ******* ****** ** *** ********* ********
Risk likelihood

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

Risk likelihood analysis details
  • Critical This extension is not longer available in the store
Upgrade to see full risk analysis details

Similar extensions

Here are some Chrome extensions that are similar to Perfmap:

CSS Dig CSS Dig
https://cssdig.com
10K 2.86 (51)
Performance-Analyser Performance-Analyser
Michael Mrowetz
20K 4.49 (43)
SPOF-O-Matic SPOF-O-Matic
http://www.webpagetest.org
2K 4.22 (9)
45to75 45to75
abbwebdev
1,000 4.14 (7)
Dimensions Dimensions
https://www.felixniklas.com
100K 4.14 (458)
First Paint & Page Load Time First Paint & Page Load Time
https://vijaysutrave.com
2K 4.50 (14)
Web Performance Timing API Web Performance Timing API
gregory.mazurek
1,000 5.00 (1)
Bootlint This Page Bootlint This Page
rtpHarry
789 4.25 (8)
Emmet Re:view Emmet Re:view
https://emmet.io
20K 4.35 (162)
Alix for Chrome Alix for Chrome
iaderinokun
682 5.00 (7)
CSS Gradient Inspector CSS Gradient Inspector
Rafael Caricio
1,000 5.00 (5)
CSS3 Generator CSS3 Generator
ahallicks
10K 4.72 (60)
Browser Calories Browser Calories
http://browserdiet.com
3K 5.00 (18)
CSS Shapes Editor CSS Shapes Editor
Razvan Caliman
10K 3.82 (101)
Accessibility Developer Tools Accessibility Developer Tools
Google Accessibility
57K 4.10 (143)
Grunt Devtools Grunt Devtools
http://vladfilippov.com
5K 4.74 (34)
DevTools Author DevTools Author
Mike King
5K 3.92 (117)
UX Check UX Check
chrisgallello
40K 3.27 (85)
Freshmarketer-A/B Testing & Heatmap Software Freshmarketer-A/B Testing & Heatmap Software
https://app.freshmarketer.com
1,000 3.60 (5)
PageSpeed Insights (MV3) PageSpeed Insights (MV3)
instwave.com
40K 3.47 (77)
OctoLinker OctoLinker
https://octolinker.vercel.app
10K 4.88 (110)
Palettab Palettab
Tim Holman
10K 4.23 (225)
CSS Peeper CSS Peeper
https://csspeeper.com
500K 4.54 (378)
Wattspeed Wattspeed
https://wattspeed.com
1,000 4.93 (27)