NerdyData Website Inspector

See the tech stack of any website, and measure their spend based on what they're builtwith.
NerdyData Website Inspector is a Firefox add-on that helps you analyze the tech stack of any website. It reveals the technologies used for marketing, sales, analytics, e-commerce, and more. With this add-on, you can gain insights into a website's tech stack and understand their spend based on what they're builtwith.
Manifest V3
By:
NerdyData
Daily users:
240 6
Rating:
4.33
(6)
Version:
2.6.0 (Last updated: 2025-04-11)
Version code:
5927661
Creation date:
2020-04-06
Permissions:
  • webRequest
  • cookies
  • scripting
  • storage
  • alarms
  • tabs
  • activeTab
Host permissions:
  • <all_urls>
Size:
734.68K
Full description:
See detailed description
Updated:
a day ago

Other platforms

NerdyData Website Inspector (v2.6.0)
2,000+ 5.00 (6)

User reviews



by Steven R., 2022-02-27
View all user reviews

Add-on safety

Risk impact

NerdyData Website Inspector 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 ****** ****** ** *** ********* ****** * *********** ******** **** ** ** *** ******* *** ****** **** **** *** ******* *****
  • High ****** *** ********* ** ******* *** ******* ******* ** ****** *** *** ******** ******
Risk likelihood

NerdyData Website Inspector is probably trust-worthy. Prefer other publishers if available. Exercise caution when installing this add-on.

Risk likelihood analysis details
  • High This extension was recently updated in the past month. New updates may not be stable or safe.
  • High **** ********* *** *** **** ****** ********* ********** *** *** ** ****** ** *****
  • Low **** ********* *** ***** **** **** * ****** **** ***** ********** *** **** ****** ** ** ****** *** *****
  • Good **** ********* *** **** **** *******
Upgrade to see full risk analysis details

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