
GTmetrix
Google Lighthouse
WebPagetest
Pingdom
Screaming Frog SEO Spider
Ahrefs
SEMRush
PageSpeed is addon for ...

Which is more popular?
Based on our record, PageSpeed Insights seems to be more popular. It has been mentioned 113 times since March 2021.
Website, pricing, platforms and company facts side by side.
|
|
|
|
|---|---|---|
| Website | developers.google.com | stackscan.com |
| Pricing | — | |
| Company | — | Startup from Canada · 10 - 19 employees · 2026 |
| Listed in |
In their own words, as submitted to SaaSHub.


No description of PageSpeed Insights yet.
StackScan helps businesses find and analyze websites based on the technologies they use or the keywords they target. Instead of manually researching websites one by one, users can instantly search across 100M+ domains and identify sites using platforms like Shopify, WordPress, WooCommerce,...
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
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
The New Google PageSpeed Insights & How To Use It
More videos
No StackScan 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.


As answered by people managing PageSpeed Insights and StackScan.
StackScan's answer:
StackScan focuses on practical usability, broader stack coverage, advanced filtering, and scalable exports without unnecessary complexity. Users can quickly generate highly targeted datasets using filters like country, TLD, industry, and technology combinations, making research and lead generation faster and more precise.
StackScan's answer:
StackScan combines technology stack discovery and keyword-intent research in a single platform, allowing users to find websites not only by the tools they use but also by what they are targeting online. With coverage across 50,000+ technologies and 100M+ domains, it provides scalable, filterable, and export-ready web intelligence.
StackScan's answer:
StackScan is built for marketers, growth teams, agencies, sales teams, analysts, SaaS companies, and researchers who need structured web intelligence for prospecting, competitor analysis, market research, or technology adoption tracking.
StackScan's answer:
StackScan was created to simplify the process of finding reliable website and technology data at scale. Existing solutions often felt limited, expensive, or difficult to use for targeted workflows, so StackScan was built as a practical and scalable platform that combines technology detection, keyword discovery, and bulk data access into one system.
StackScan's answer:
StackScan is built using modern web technologies, large-scale crawling systems, distributed data processing, and technology fingerprinting engines designed to analyze and structure massive amounts of web data efficiently.
StackScan's answer:
StackScan is used by agencies, SaaS businesses, growth teams, researchers, and data-driven organizations for lead generation, market intelligence, and competitive analysis across multiple industries.
Share your experience with using PageSpeed Insights and StackScan. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


We have no reviews of PageSpeed Insights yet. Be the first one to post
While it’s still in early stage, its lifetime deal is really a great value. Must get if you’re into lead generation.
Recommendations tracked on public social media and blogs since March 2021.


Tools like Google PageSpeed Insights can help identify bottlenecks. - Source: dev.to / 11 months ago
Google PageSpeed Insights: Tests your site and provides optimization suggestions. - Source: dev.to / about 2 years ago
Monitoring and Profiling: Use tools like Google's PageSpeed Insights or Web.dev Measure to analyze your page's performance and get actionable recommendations. - Source: dev.to / almost 3 years ago
Tracking StackScan since May 2026.
When comparing PageSpeed Insights and StackScan, you can also consider the following products.

GTmetrix is a free tool that analyzes your page's speed performance. Using PageSpeed and YSlow, GTmetrix generates scores for your pages and offers actionable recommendations on how to fix them.
Compare GTmetrix to PageSpeed Insights or StackScan:

Wappalyzer is a technology profilers and leads data provider. Create lists of websites and contacts that use certain technologies.
Compare Wappalyzer to PageSpeed Insights or StackScan:

Lighthouse is an open-source, automated tool for improving the quality of web pages.
Compare Google Lighthouse to PageSpeed Insights or StackScan:

Find out the technology behind websites
Compare BuiltWith to PageSpeed Insights or StackScan:

Run a free website speed test from multiple locations around the globe using real browsers...
Compare WebPagetest to PageSpeed Insights or StackScan:

Plan a stack, check the one you have, or compare two tools — from what 6,571 makers' products actually use, with sources, and what each costs at your scale.
Compare How Makers Build to PageSpeed Insights or StackScan: