Semrush Alternative Chrome Extension (2026)

Last updated: April 17, 2026

If you’ve been evaluating Semrush for your SEO workflow, you know it offers a comprehensive suite of tools, keyword research, competitor analysis, site audits, and position tracking. However, the pricing starts at $119.95 per month, which is steep for independent developers, freelancers, or small teams just needing specific functionality. The good news: 2026 has produced several capable Chrome extensions that deliver real SEO value without the subscription barrier.

This guide covers the best Semrush alternative Chrome extensions for developers and power users who want functional SEO tools without the premium price tag.

What Makes a Good Semrush Alternative

Before diving into specific tools, let’s identify what developers actually need from SEO extensions:

Quick domain and backlink metrics while browsing
On-page SEO analysis (title tags, meta descriptions, heading structure)
Keyword data and search volume estimates
Technical SEO checks (Core Web Vitals, structured data)
Export capabilities for integration with custom workflows

Semrush excels at all of these, but you may not need everything in the package. The alternatives below specialize in specific areas while keeping costs manageable.

Top Semrush Alternatives in 2026

SEOquake (Free)

SEOquake remains the most feature-rich free option for Chrome. It provides detailed SEO audits directly in your browser without any cost.

Key features:

Instant SEO audit for any page
Keyword density analysis
Internal/external link analysis
Export to CSV and Google Sheets
Parameter tools for URL manipulation

// SEOquake provides this data structure per page:
{
 url: "https://example.com/page",
 title: "Page Title Here",
 titleLength: 45,
 metaDescription: "Description text...",
 metaDescriptionLength: 155,
 headingStructure: {
 h1: 1,
 h2: 3,
 h3: 5
 },
 wordCount: 1200,
 images: {
 total: 8,
 withAlt: 6,
 withoutAlt: 2
 },
 links: {
 internal: 15,
 external: 7,
 doFollow: 18,
 noFollow: 4
 }
}

Best for: Developers who need detailed on-page analysis without paying.

MozBar (Free + Pro)

MozBar has been a staple in the SEO community for years. The Chrome extension displays Domain Authority (DA) and Page Authority (PA) scores alongside other link metrics.

// What MozBar shows for any domain:
{
 domain: "competitor-site.com",
 domainAuthority: 67,
 pageAuthority: 54,
 linkingDomains: 1240,
 inboundLinks: 8934,
 rankingKeywords: 342
}

The free version gives you basic metrics. MozBar Pro at $99/year adds keyword difficulty scores, SERP analysis, and export features. This is significantly cheaper than Semrush but provides less comprehensive data.

Best for: Quick authority metrics and link analysis.

LinkMiner from Mangools (Free + Pro)

If your primary need is backlink analysis, LinkMiner specializes in this area. It shows:

Total backlinks and unique referring domains
Citation Flow and Trust Flow scores
Top linking domains with authority data
Backlink preview functionality

// LinkMiner backlink response:
{
 target: "https://example.com",
 totalBacklinks: 5600,
 uniqueReferringDomains: 340,
 citationFlow: 48,
 trustFlow: 42,
 newBacklinks: 12,
 lostBacklinks: 3,
 topReferringDomains: [
 { domain: "news-outlet.com", authority: 72, backlinks: 45 },
 { domain: "blog-network.com", authority: 58, backlinks: 23 }
 ]
}

Pro plans start at $49/month, still a fraction of Semrush pricing while delivering focused backlink data.

Best for: Teams prioritizing backlink analysis over other SEO functions.

Ubersuggest Chrome Extension (Free)

Neil Patel’s Ubersuggest offers a Chrome extension with keyword research capabilities and competitor analysis.

Features:

Keyword suggestions with search volume
Keyword difficulty scores
CPC and competitive density
Traffic estimates for domains
Content ideas and topic suggestions

// Ubersuggest keyword data:
{
 keyword: "developer tools",
 searchVolume: 14800,
 difficulty: 58,
 cpc: 6.75,
 paidDifficulty: 42,
 seasonalTrends: [
 { month: "jan", volume: 12100 },
 { month: "feb", volume: 13400 },
 // ...
 ],
 relatedKeywords: [
 { keyword: "developer tools free", volume: 5400, difficulty: 45 },
 { keyword: "developer tools github", volume: 3200, difficulty: 38 }
 ]
}

The free version has daily limits. Paid plans start at $29/month, making it one of the more affordable options.

Best for: Keyword research on a budget.

Check My Links (Free)

For developers focused on technical SEO and site maintenance, Check My Links does one thing exceptionally well, it finds broken links on any page.

Scans all hyperlinks on a page
Visually highlights valid (green) and broken (red) links
Provides counts and error details
Exports reports for developers

This is particularly useful for:

Content audits
Site migrations
Link building campaigns
Quality assurance testing

Best for: Technical SEO and site maintenance workflows.

Built with Tech Stack Checker (Free)

Built with reveals the technology stack behind any website, useful for competitor research and understanding what tools successful sites use.

// Built with technology data:
{
 url: "https://example.com",
 technologies: {
 cms: ["WordPress"],
 ecommerce: ["Shopify"],
 analytics: ["Google Analytics", "Hotjar"],
 cdn: ["Cloudflare"],
 javascript: ["React", "Next.js"],
 css: ["Tailwind CSS"],
 hosting: ["Vercel"]
 },
 ipLocation: "United States",
 sslValid: true
}

Best for: Technical competitor analysis and technology research.

Building Your Own SEO Dashboard

For developers wanting complete control, combining APIs with custom scripts often provides the best value. Here’s an example using Google PageSpeed Insights combined with a simple Node.js script:

// SEO audit script for developers
const https = require('https');
function auditPage(url) {
 const apiUrl = `https://www.googleapis.com/pagespeedonline/v5/runPagespeed?url=${encodeURIComponent(url)}&key=YOUR_API_KEY`;
 
 https.get(apiUrl, (res) => {
 let data = '';
 res.on('data', (chunk) => data += chunk);
 res.on('end', () => {
 const results = JSON.parse(data);
 console.log({
 url: url,
 performance: results.lighthouseResult.categories.performance.score * 100,
 accessibility: results.lighthouseResult.categories.accessibility.score * 100,
 bestPractices: results.lighthouseResult.categories['best-practices'].score * 100,
 seo: results.lighthouseResult.categories.seo.score * 100,
 coreWebVitals: {
 LCP: results.lighthouseResult.audits['largest-contentful-paint'].displayValue,
 FID: results.lighthouseResult.audits['max-potential-fid'].displayValue,
 CLS: results.lighthouseResult.audits['cumulative-layout-shift'].displayValue
 }
 });
 });
 }).on('error', console.error);
}
// Audit multiple URLs
['https://example.com', 'https://test-site.com'].forEach(auditPage);

This approach gives you programmatic access to Core Web Vitals and SEO metrics without any subscription costs, perfect for integrating into CI/CD pipelines or automated reporting.

Comparing Costs and Features

Tool	Free Version	Paid Version	Primary Strength
SEOquake	Complete	N/A	On-page audits
MozBar	Basic	$99/year	Authority metrics
LinkMiner	Limited	$49/month	Backlink analysis
Ubersuggest	Limited	$29/month	Keyword research
Check My Links	Complete	N/A	Broken link detection
Built with	Basic	$99/year	Tech stack analysis

Making the Right Choice

Choosing a Semrush alternative depends on your specific workflow:

Your primary need:

On-page SEO audits → SEOquake
Backlink data → LinkMiner or MozBar
Keyword research → Ubersuggest
Broken link checking → Check My Links
Tech stack research → Built with

Budget considerations:

$0 budget → SEOquake, Check My Links, MozBar free tier
Under $30/month → Ubersuggest
Under $50/month → LinkMiner
Building custom solutions → APIs + scripts

Integration requirements:

Need to export data → SEOquake, LinkMiner
Want API access → Build your own with Google APIs
Need browser workflow → Any of the above

Conclusion

Semrush remains a powerful platform, but the Chrome extensions in 2026 offer compelling alternatives for specific use cases. For developers and power users, combining free tools often provides better value than a comprehensive subscription.

The most effective approach: use SEOquake for on-page analysis, pair it with Check My Links for technical audits, and supplement with targeted paid tools only when your specific needs justify the cost. This modular strategy keeps costs low while maintaining the functionality that matters for your workflow.

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