Similarweb vs Semrush 2025: Best Comparison Of Two SEO Powerhouses

Semrush and Similarweb are the two powerhouses in the SEO industry, providing useful and immense data. In the recent posts, we have covered Semrush alternatives and Similarweb alternatives.

That’s why, in this post, we are comparing Similarweb vs Semrush. We will cover their features, pricing, pros and cons, and a feature comparison table.

Two leading SEO platforms, Semrush vs Similarweb, offer varied solutions for keyword research, Backlink monitoring, market research, competitor analysis, and site audit. 

By comparing both SEO powerhouses, we will get a better idea of which one, Similarweb or Semrush, offers valuable data.

I have tested the free trial of both tools and will attach screenshots.

Introduction to Similarweb and Semrush

Similarweb

Similarweb is not limited to SEO tools and provides smart tools for web, app, sales, shopper, and stock intelligence. It’s widely used for market & ad intelligence, app competitor & demographics, sales strategy & engagement, shopper behavior & analytics, and stock forecasting & insights.

Semrush

Semrush is a giant SEO + marketing tool suite that offers 55+ tools for SEO, PPC, content marketing, social media, and competitive analysis. It is well-known for its keyword research, backlink tracking, and content optimization tools.

Similarweb vs Semrush: Table Comparison

Feature Comparison

1. Core Focus

• Semrush is built for SEO, PPC, and content marketing.
• Similarweb is more about advertising intelligence and data collection from different websites. 

2. Keyword and SEO Tools

• Semrush gives you keyword data based on parameters such as search volume, intent, keyword difficulty, number of results, CPC, competition level, SERP Features, variations, and more. The keyword magic tool magically generates over 26 billion keywords.
• Similarweb provides keyword data, too, but it’s limited to 1000 keywords per table with the basic plan. Moreover, the basic plan does not have a country filter option, and all other plans have only one country filter option.

🏆 Verdict: Semrush dominates and is a clear winner.

3. Traffic and Competitor Analysis

• Similarweb wins with its traffic insights: referral paths, engagement, geo-distribution, and industry benchmarks.
• Semrush offers position tracking, search volatility on Google, domain rankings in global markets, and Google Map rankings.

🏆 Verdict: Similarweb wins here.

4. Backlink Capabilities

• Semrush offers the largest 43 trillion backlink database as of now. You can not only track but also find link-building opportunities, avoid Google penalties for spammy backlinks, and do more to boost your site SEO.
• Similarweb has a backlink feature, but it is not as powerful as Semrush.

🏆 Verdict: No SEO tool can beat Semrush’s backlink database.

5. UI & Usability

• Semrush is focused on SEO but has lots of data, which might be complex for beginners.
• Similarweb is clutter-free and beginner-friendly.

🏆 Verdict: Similarweb wins for speed and simplicity.

6. Pricing and Plans

• Semrush has a 7-day free trial with limited features. The Pro plan isn’t as costly as Similarweb.
• Similarweb’s basic plan is costlier than Semrush’s, with less keyword data.

🏆 Verdict: Semrush is more affordable.

Dashboard Comparison: Screenshots Attached

Similarweb

The dashboard shows: 

• Traffic & Engagement (Total visits, and device distribution for the last 28 days worldwide. Global, Country, and Industry rank)
• Engagement Overview: Visit duration, Bounce rate, daily unique visitors, and page/visit for the selected duration.
• Visits over time: Total number of monthly visitors, day-wise or week-wise.
• Geography: Top countries contributing to site traffic in (%)
• Marketing Channels: Overview of different channels driving site traffic (Direct, Organic, Paid, Referrals, Display ads, Social, and Email).
• Organic Search: Clicks received from Branded vs Non-branded keywords, and top organic non-branded search terms driving site traffic.
• Paid Search: Top paid non-branded search terms driving site traffic.
• Referrals: Shows top websites in the top 5 categories that are driving traffic to the selected website.
• Social: Top social media networks driving traffic to the website.
• Display Advertising: Top advertising networks and publishers referring to the selected website with month-over-month data.

Semrush

The dashboard shows: 

• Domain analytics (authority score, organic traffic, organic keyword score, paid keywords, and referring domains).
• Position Tracking (Visibility, top keywords in top 3, 10, 20, and 100 positions). 
• Site Audit (Site health, errors, crawled pages, and warnings).
• Traffic Analytics (Semrush and Google Analytics Data).
• Top Pageviews (pageviews, users, avg. time on page, entrances, and engagement rate).
• Google Search Console integration, organic research, and backlink analytics (total referring domains along with their authority score).

Pros and Cons

Similarweb

✅ Pros:

• A leader in market intelligence software by G2.
• No need for a full subscription to purchase the API.
• Add-ons for analyzing AI traffic, market research, and conversion analysis.

❌ Cons:

• No trial for premium features.
• Only 1 user access with the basic plan.
• No country filter, API access trial, and AI agents trial with the Starter plan.

Semrush

✅ Pros:

• All-in-one SEO and marketing suite.
• Rich in keyword research and backlink tools.
• Start a free trial without a credit card.

❌ Cons:

• Traffic and audience data are less detailed than Similarweb
• The basic plan offers only 5 users.
• The interface can be improved for beginners.

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Conclusion

Choose Similarweb if your focus is on:

• In-depth website traffic analysis, 
• market trends, 
• and audience intelligence.

Choose Semrush if your focus is on:

• In-depth SEO, 
• content creation, 
• and competitor analysis

Final Verdict: Considering the pricing plans and key metrics, Semrush wins over Similarweb and is best for marketers, agencies, and individuals.

❓ FAQs | Similarweb vs SEMrush