Comparison

Similarsites.com vs Semrush

Similarsites.com lands on Worth it, and Semrush lands on Depends.

Similarsites.com

similarsites.com

Worth it

Confidence: Medium

Buy it if you want a free, one-click way to find similar websites while browsing.

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Semrush

Depends

Confidence: High

Buy if you run serious, ongoing SEO or agency work and will use most of the toolkit.

Read the full report

Similarsites.com versus Semrush
Compare	Similarsites.com	Semrush
Verdict	Worth it	Depends
Best for	Casual site discovery while browsing	SEO agencies and consultants
Who it's not for	Teams needing real traffic or competitor analytics	Hobby sites and side projects
Privacy	No known public vulnerabilities found in the sources reviewed.^⁴	One CSRF CVE in its WordPress Content Toolkit plugin; no platform breach reported, but scammers heavily impersonate Semrush.¹⁴
Public sentiment	No substantive user reviews found; mentions are directory listings and social-media 'useful websites' shares.	Reviewers consistently praise its data depth but split hard on whether the price and billing practices justify it.
Biggest gotcha	No security page; enterprise procurement won't get vendor security docs^³	7-day money-back guarantee reportedly honored inconsistently; one user charged $211¹⁰

Pick Similarsites.com when

Casual site discovery while browsing
Quickly scoping a site's competitors
Researchers hunting alternative resources
Anyone wanting a free alternative finder

When Similarsites.com is not a fit

Teams needing real traffic or competitor analytics
Enterprises requiring vendor security documentation
Users who need support, SLAs, or accuracy guarantees
Buyers wanting human-curated, quality-checked results

Pick Semrush when

SEO agencies and consultants
In-house teams running SEO full-time
Brands tracking AI search visibility
Multi-site enterprises

When Semrush is not a fit

Hobby sites and side projects
Anyone needing only basic keyword lookups
Teams that will use two features max
Small businesses without dedicated SEO staff

Sources

Similar Sites - Discover Related Websites - Chrome Web Storechromewebstore.google.com
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Similarsites.com - Easily Explore alternative websitessimilarsites.com
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Security pagesimilarsites.com
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Similarsites.com Streaming Site Review (95/100 Trust Score)gridinsoft.com
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Top 5 similarsites.com Alternatives & Competitorssemrush.com
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similarsites.com Competitors - Top Sites Likesimilarweb.com
review
50 websites that feel like the internet's hidden toolboxen.rattibha.com
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Semrush Reviews 2026: G2, Trustpilot, Capterra, Pricingpiperocket.digital
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Semrush Review (2026): We Tested It on Three Real Sitesgeotoolbox.ai
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I DO NOT recommend Semrush . money-back guarantee complaintreddit.com
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Semrush New Prices from 139 to 199reddit.com
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Semrush Pricing 2026: New Plans & Cost Breakdowndemandsage.com
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Semrush Pricing: Does It Make Sense in 2026?explodingtopics.com
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CVE-2025-68082 . Semrush Content Toolkit CSRFnvd.nist.gov
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Fake Semrush ads used to steal SEO professionals' credentialsbleepingcomputer.com
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Read Customer Service Reviews of semrush.comtrustpilot.com
review