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Browser Extensions · head to head

BuiltWith vs uBlock Origin

BuiltWith logo

BuiltWith

Browser Extensions

See what websites are built with

From
Free
Rated
-
Full reviewWebsite
uBlock Origin logo

uBlock Origin

Browser Extensions

Free, open-source ad content blocker

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: BuiltWith free tier limited to individual site lookups only; no commercial use or reporting; uBlock Origin cNAME uncloaking of third-party trackers disguised as first-party is only available on Firefox, because the required DNS API does not exist in Chromium
  • They diverge on capability: BuiltWith covers Technology profiling, uBlock Origin covers Ad blocking.

Where they differ

Only the attributes on which BuiltWith and uBlock Origin actually diverge.

Attributes where BuiltWith and uBlock Origin differ
AttributeBuiltWithuBlock Origin
Pricing modelUnknownfree
PlatformsWebChrome, Firefox, Edge, Opera
Founded20072014

Identical on both: starting price (Free), free tier (Yes), user rating (Not yet rated), category (Browser Extensions).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in BuiltWith

  • Technology profiling
  • Market research
  • Competitor analysis
  • Lead generation

Only in uBlock Origin

  • Ad blocking
  • Tracker blocking
  • Malware domain blocking
  • Custom filter lists
  • Opera support

Both cover

  • Chrome support
  • Firefox support
  • Edge support

What people use each for

The jobs each tool is most often brought in to do.

BuiltWith

  • Technology intelligence for identifying web technologies used by competitor companiesnot uBlock Origin
  • Lead generation using technology adoption and spend data signalsnot uBlock Origin

uBlock Origin

  • Blocking advertisements and third-party trackers in the browsernot BuiltWith
  • Running a default-deny policy on third-party scripts and resourcesnot BuiltWith
  • Element picking and cosmetic filtering of unwanted page contentnot BuiltWith

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

BuiltWith

  • Free tier limited to individual site lookups only; no commercial use or reporting
  • Basic plan limited to 2 technologies, 2 keywords, 2 retail reports, and 1 system login

uBlock Origin

  • CNAME uncloaking of third-party trackers disguised as first-party is only available on Firefox, because the required DNS API does not exist in Chromium
  • HTML filtering of response bodies requires the webRequest.filterResponseData API, which is only available in Firefox
  • On Chromium-based browsers uBO is not reliably ready at browser launch, so tracker and advertisement payloads can reach already-open tabs before filtering starts
  • Pre-fetch blocking is not reliable on Chromium-based browsers because they give websites precedence over user settings
  • The Chromium build does not use the WebAssembly filtering code paths, because the extra manifest permission would create friction publishing to the Chrome Web Store
  • LZ4 storage compression is Firefox only, and on Chromium in incognito mode IndexedDB resets, so uBO launches with out-of-date filter lists

Pricing, plan by plan

BuiltWith

Free

No published plan breakdown. See the BuiltWith review.

uBlock Origin

Free
  • FreeFree
    • Ad blocking
    • Tracker blocking
    • Custom filter lists

Which should you pick?

Choose BuiltWith if

  • You need technology profiling.
  • You want to start without paying.
  • You also want market research.
BuiltWith review

Choose uBlock Origin if

  • You need ad blocking.
  • You want to start without paying.
  • You work on Chrome, Firefox, Edge, Opera.
  • You also want tracker blocking.
uBlock Origin review

Questions people ask

Is BuiltWith or uBlock Origin better?
Neither clearly leads. BuiltWith starts at Free and uBlock Origin at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, BuiltWith or uBlock Origin?
BuiltWith starts at Free and uBlock Origin at Free.
Does BuiltWith or uBlock Origin run on more platforms?
BuiltWith runs on Web. uBlock Origin runs on Chrome, Firefox, Edge, Opera.
Can I use BuiltWith for free?
Both have a free tier, so you can try either at no cost before committing.
What is BuiltWith best used for?
BuiltWith is most often used for technology intelligence for identifying web technologies used by competitor companies, lead generation using technology adoption and spend data signals. Of those, technology intelligence for identifying web technologies used by competitor companies and lead generation using technology adoption and spend data signals are not what uBlock Origin is typically brought in for.
What can BuiltWith do that uBlock Origin cannot?
BuiltWith covers Technology profiling, Market research, Competitor analysis, Lead generation. uBlock Origin covers Ad blocking, Tracker blocking, Malware domain blocking, Custom filter lists. Both handle Chrome support, Firefox support, Edge support.
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