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Find out the technology behind websites

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Search engine over the source code of websites: find every site whose HTML or JavaScript contains an exact snippet, tag, tracking ID, library or regex pattern, with each match highlighted.

Which is more popular?
Based on our record, BuiltWith seems to be more popular. It has been mentioned 162 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | builtwith.com | pagesourcesearch.com |
| Pricing | ||
| Company | Startup from Australia | — |
| Listed in |
In their own words, as submitted to SaaSHub.


No description of BuiltWith yet.
PageSourceSearch is a search engine over the source code websites serve: the raw HTML of their pages and the first-party JavaScript they load. Type an exact string or a .NET regular expression and get every crawled site that contains it, grouped by domain, with each match highlighted in the...
What each product offers, as listed by its team.


Possible disadvantages
An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
No analysis of PageSourceSearch yet.
Walkthroughs and reviews on video.
How to Find Competitors Customers | BuiltWith Review | Kas Andz
More videos
No PageSourceSearch videos yet. You could help us improve this page by suggesting one.
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using BuiltWith and PageSourceSearch. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


A great tool to help you discover the technology being used by a variety of websites. I was impressed that upon signing up that I had full access to a free list of leads.
Sometimes, BuiltWith may not fit your specific business needs. If so, we’ve compiled our list of best BuiltWith alternatives you may want to consider for your profiling.
BuiltWith is a truly comprehensive tool that will mine a ton of information from anyone’s site and serve it to you in a manner you will be able to crunch and use it. You might take your time since it is a lot of...
We have no reviews of PageSourceSearch yet. Be the first one to post
Recommendations tracked on public social media and blogs since March 2021.


Evan You, creator of Vue.js, is a prime example. Vivek Nair, Co-Founder of BotGauge, notes that You “created something that addresses real developer needs with clean logic and thoughtful design.” Vue.js powers over 1.5 million websites... - Source: dev.to / over 1 year ago
There exist websites like https://builtwith.com so answer to your question is yes. - Source: Hacker News / almost 2 years ago
BuiltWith says the web client is NextJS which is interesting as ChatGPT made a big switch away to Remix IIRC. https://builtwith.com/?https%3a%2f%2fclaude.ai%2fnew. - Source: Hacker News / about 2 years ago
Tracking PageSourceSearch since Sep 2026.
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