
SEMRush
Moz
Profound
SE Ranking
Otterly.AI
Serpstat
Surfer SEO
Ahrefs is a toolset for SEO and marketing. We have tools for backlink research, organic traffic research, keyword research, content marketing & more. Give Ahrefs a try!

Which is more popular?
Based on our record, Ahrefs seems to be more popular. It has been mentioned 123 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | ahrefs.com | stackscan.com |
| Pricing | ||
| Company | Startup from Singapore | Startup from Canada · 10 - 19 employees · 2026 |
| Listed in |
In their own words, as submitted to SaaSHub.


Ahrefs is trusted by SEOs and marketing professionals worldwide as the ultimate toolset for SEO, powered by industry-leading data. Ahrefs crawls the web, stores tons of data and makes it easily accessible via a simple user interface. The data can be used to aid keyword research, link building,...
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.


No analysis of Ahrefs yet.
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
Ahrefs Review and Tutorial: Is This The Only SEO Tool You Need?
More videos
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How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing Ahrefs 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 Ahrefs 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.


You already pay for Ahrefs or Semrush: try their AI module first; neither offers a trial on it.
I've really enjoyed using Ahrefs to inform my content creation, particularly because the Keyword Explorer is so useful for identifying low-difficulty keywords.
For full management : Semrush or Ahrefs cover research, auditing, and tracking in one place, making them ideal for agencies managing multiple clients. See our guide to the best SEO tools for agencies.
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.


Marketing-led growth (MLG) involves extensive marketing initiatives to drive customer acquisition, retention, and expansion. Brands such as HubSpot and Ahrefs have found success with MLG by leveraging large content libraries to generate... - Source: dev.to / 7 months ago
Ahrefs provides industry-leading backlink analysis alongside powerful content research capabilities that help WordPress sites build authority. Site Explorer reveals your complete backlink profile while identifying link-building... - Source: dev.to / 10 months ago
Domain Rating is a proprietary metric developed by Ahrefs that measures the strength of your website's backlink profile. - Source: dev.to / about 1 year ago
Tracking StackScan since May 2026.
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Profound helps brands gain visibility in AI-generated answers, optimize their presence in LLM-based answer engines, and stay competitive in the zero-click world.
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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.
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