Softwr

Browser Extensions · head to head

BuiltWith vs AdBlock Plus

BuiltWith logo

BuiltWith

Browser Extensions

See what websites are built with

From
Free
Rated
-
AdBlock Plus logo

AdBlock Plus

Browser Extensions

The world's most popular ad blocker

From
Free
Rated
-

The short version

  • Each has a real cost: BuiltWith free tier limited to individual site lookups only; no commercial use or reporting; AdBlock Plus acceptable Ads allowlist model generates controversy over ad filtering conflicts of interest
  • They diverge on capability: BuiltWith covers Technology profiling, AdBlock Plus covers Ad blocking.

Where they differ

Only the attributes on which BuiltWith and AdBlock Plus actually diverge.

Attributes where BuiltWith and AdBlock Plus differ
AttributeBuiltWithAdBlock Plus
Pricing modelUnknownfree
PlatformsWebChrome, Edge, Firefox, Opera, Safari, Yandex Browser
Founded20072006

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 AdBlock Plus

  • Ad blocking
  • Acceptable Ads
  • Custom filters
  • Social media blocking
  • Safari support
  • 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 AdBlock Plus
  • Lead generation using technology adoption and spend data signalsnot AdBlock Plus

AdBlock Plus

No use cases recorded yet. See the AdBlock Plus review.

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

AdBlock Plus

  • Acceptable Ads allowlist model generates controversy over ad filtering conflicts of interest
  • Smaller feature set compared to open-source alternatives like uBlock Origin
  • Less customization and dynamic filtering compared to uBlock Origin
  • Mobile version less comprehensive than desktop extension
  • Chrome version increasingly limited due to Manifest V3 migration

Pricing, plan by plan

BuiltWith

Free

No published plan breakdown. See the BuiltWith review.

AdBlock Plus

Free
  • FreeFree
    • Ad blocking
    • Acceptable Ads option
    • Custom filters

Which should you pick?

Choose BuiltWith if

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

Choose AdBlock Plus if

  • You need ad blocking.
  • You want to start without paying.
  • You work on Chrome, Edge, Firefox, Opera, Safari, Yandex Browser.
  • You also want acceptable ads.

Questions people ask

Is BuiltWith or AdBlock Plus better?
Neither clearly leads. BuiltWith starts at Free and AdBlock Plus at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, BuiltWith or AdBlock Plus?
BuiltWith starts at Free and AdBlock Plus at Free.
Does BuiltWith or AdBlock Plus run on more platforms?
BuiltWith runs on Web. AdBlock Plus runs on Chrome, Edge, Firefox, Opera, Safari, Yandex Browser.
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 AdBlock Plus is typically brought in for.
What can BuiltWith do that AdBlock Plus cannot?
BuiltWith covers Technology profiling, Market research, Competitor analysis, Lead generation. AdBlock Plus covers Ad blocking, Acceptable Ads, Custom filters, Social media blocking. Both handle Chrome support, Firefox support, Edge support.

Answered from the vendors’ own pages

AdBlock Plus: What does Adblock Plus block?

Adblock Plus blocks banner ads, pre-roll and mid-roll video ads on YouTube, pop-ups, sidebar ads, and most standard display formats. With Acceptable Ads disabled and EasyPrivacy enabled, it achieved a 100/100 score on AdBlock Tester in April 2026.

Source
AdBlock Plus: What browsers does Adblock Plus support?

Adblock Plus is available for Chrome, Edge, Firefox, Opera, Safari, and Yandex Browser.

Source
AdBlock Plus: Is there a premium version of Adblock Plus?

Yes. Adblock Plus Premium costs $40 annually or $4 per month and allows users to block cookie consent pop-ups, while the free version includes core ad blocking.

Source
AdBlock Plus: What is Acceptable Ads?

Acceptable Ads is an opt-in setting that allows advertising Adblock Plus deems unobtrusive to display on websites; it is disabled by default but can be toggled in Settings.

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