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Best Productivity ResourcesBy Shushant LakhyaniVerified creator

Browser Extension

Wappalyzer

See which technologies any website is built with in one click.

Visit Wappalyzer4.5

  • Rating

    4.5 / 5

  • Pricing

    Freemium

  • Difficulty

    Beginner

  • Works on

    Chrome, Firefox, Safari

Built with love by Shushant Lakhyani. Building bestproductivityresources.com

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What is Wappalyzer?

Wappalyzer detects the CMS, frameworks, analytics, hosting and other technologies behind a website through its browser extension or website lookup. The extension is free, a free account adds 50 lookups a month, and paid plans add lead lists, CRM enrichment and an API.

Pros: what Wappalyzer does well

  • One-click tech stack detection
  • Free browser extension
  • Covers thousands of technologies

Cons: where it falls short

  • Lead lists and API are expensive
  • Free lookups are limited

Who Wappalyzer is for

Developers and designers who are curious how other sites are built.

Who can skip it

People with no interest in website technology.

Wappalyzer alternatives

Not sold on Wappalyzer? These do a similar job, and each card says what it has in common.

All Research resources

Obsidian Web Clipper

Focus: clipper and markdown. Shares research with Wappalyzer. Free (Wappalyzer: Freemium). Rated 4.4 (Wappalyzer: 4.5).

Browser ExtensionFreeChrome, Firefox
4.4Visit

Our World in Data

Focus: data, statistics and open access. Shares research with Wappalyzer. A website, not a browser extension. Free (Wappalyzer: Freemium). Rated 4.8 (Wappalyzer: 4.5).

WebsiteFreeWeb
4.8Visit

Wikipedia

Focus: encyclopedia, reference and open knowledge. Shares research with Wappalyzer. A website, not a browser extension. Free (Wappalyzer: Freemium). Adds iOS and Android. Rated 4.8 (Wappalyzer: 4.5).

WebsiteFreeWeb, iOS
4.8Visit

Internet Archive

Focus: digital library, wayback machine and archives. Shares research with Wappalyzer. A website, not a browser extension. Free (Wappalyzer: Freemium). Rated 4.7 (Wappalyzer: 4.5).

WebsiteFreeWeb
4.7Visit

Are.na

Focus: moodboard, bookmarks and collections. Shares research with Wappalyzer. A web app, not a browser extension. Adds iOS and Android. Rated 4.6 (Wappalyzer: 4.5).

Web AppFree planWeb, iOS
4.6Visit

Claude Deep Research Skill

Focus: claude, deep research and ai skill. Shares research with Wappalyzer. An AI tool, not a browser extension. Free (Wappalyzer: Freemium). Rated 4.6 (Wappalyzer: 4.5).

AI ToolFreeCross-Platform, Web
4.6Visit

Free alternatives to Wappalyzer

Want to spend nothing? These free picks cover similar ground.

Google Dataset Search

Focus: datasets, open data and data analysis. Shares research with Wappalyzer. A website, not a browser extension. Free (Wappalyzer: Freemium). Rated 4.6 (Wappalyzer: 4.5).

WebsiteFreeWeb
4.6Visit

Google Ngram Viewer

Focus: language, books and word usage. Shares research with Wappalyzer. A web app, not a browser extension. Free (Wappalyzer: Freemium). Rated 4.6 (Wappalyzer: 4.5).

Web AppFreeWeb
4.6Visit

Open Notebook

Focus: notebooklm alternative, ai chat and podcasts. Shares research with Wappalyzer. An AI tool, not a browser extension. Free (Wappalyzer: Freemium). Rated 4.6 (Wappalyzer: 4.5).

AI ToolFreeWeb, Cross-Platform
4.6Visit

Open Knowledge Maps

Focus: academic search, open access and literature review. Shares research with Wappalyzer. A web app, not a browser extension. Free (Wappalyzer: Freemium). Same 4.5 rating.

Web AppFreeWeb
4.5Visit

PixelRAG

Focus: rag, retrieval and vision. Shares research with Wappalyzer. An AI tool, not a browser extension. Free (Wappalyzer: Freemium). Same 4.5 rating.

AI ToolFreeWeb, Cross-Platform
4.5Visit
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