
MozBar has been the go-to SEO browser extension for years. Pop it open, and you’d see Domain Authority, Page Authority, and link metrics right on the search results page — no need to open a separate tool. For quick competitive checks, it was genuinely handy.
But things have changed. Google Chrome’s Manifest V3 restrictions have forced MozBar to limit its functionality, the free version now caps you at a handful of queries per day, and many users report that the extension slows down their browsing noticeably. Add in the fact that MozBar’s free tier no longer shows DA/PA on SERPs without logging in (and even then, you burn through credits fast), and it’s no surprise that SEO professionals are looking elsewhere.
If you’ve been frustrated with MozBar’s limitations, this guide compares the 8 best MozBar alternatives in 2025 — covering free SEO browser extensions that deliver SERP overlays, on-page analysis, backlink data, and authority metrics without the headaches. For a deeper look at what Moz’s full platform offers, check out our complete Moz review.
Why People Are Leaving MozBar

Before we explore alternatives, let’s clarify the specific problems driving users away from MozBar:
- Strict daily query limits — Free MozBar users get roughly 10 SERP queries per day before being locked out. For anyone doing serious keyword research or competitor analysis, that’s exhausted within minutes.
- Browser performance issues — MozBar is known to increase page load times by 20-40%, especially on JavaScript-heavy sites. Some users report Chrome becoming unresponsive with the extension active.
- Manifest V3 complications — Chrome’s new extension framework has caused recurring compatibility issues, leading to broken features and forced updates that sometimes change the user experience.
- Limited free metrics — The free tier only shows DA and PA. Spam Score, link metrics, and keyword data all require a Moz Pro subscription starting at $99/month.
- Login requirements — Unlike some competitors that work immediately after install, MozBar requires a Moz account and login before showing any data — adding friction to the workflow.
- No keyword search volume data — MozBar doesn’t show monthly search volume, CPC, or trend data on SERPs, which many competing extensions include for free.
That said, MozBar’s Domain Authority metric remains one of the most recognized authority scores in the SEO industry. The extensions below either offer comparable metrics or provide different — sometimes better — data to evaluate search results.
Quick Comparison: Best MozBar Alternatives at a Glance
| Extension | Authority Metric | SERP Overlay | On-Page Analysis | Free Tier | Best For |
|---|---|---|---|---|---|
| Ahrefs SEO Toolbar | DR / UR | ✅ | ✅ | Free (limited) | Backlink-focused SEOs |
| SEOquake | Semrush AS | ✅ | ✅ | 100% Free | Technical on-page audits |
| Ubersuggest Extension | Domain Score | ✅ | ❌ | Free (limited) | Keyword data on SERPs |
| Keywords Everywhere | — | ✅ | ❌ | Free (trend only) | Keyword research on SERPs |
| SEO Minion | — | ✅ | ✅ | 100% Free | On-page SEO checks |
| Detailed SEO Extension | — | ❌ | ✅ | 100% Free | Quick page-level analysis |
| SimilarWeb Extension | Global Rank | ❌ | ❌ | Free (basic) | Traffic estimation |
| Majestic Backlink Analyzer | TF / CF | ❌ | ❌ | Free (summary) | Backlink quality analysis |
1. Ahrefs SEO Toolbar — Best Overall MozBar Alternative
If you’re looking for the closest functional replacement for MozBar with superior data, the Ahrefs SEO Toolbar is the strongest candidate. It overlays Domain Rating (DR) and URL Rating (UR) directly on Google search results — similar to how MozBar shows DA and PA — but draws from Ahrefs’ significantly larger backlink index.
Key Features
- SERP overlay — See DR, UR, estimated traffic, number of backlinks, and referring domains for every search result without leaving Google
- On-page SEO report — Instant analysis of any page’s title, meta description, headings, canonical tags, hreflang, Open Graph data, and more
- Broken link checker — Highlight all broken links on any page with a single click
- Redirect tracer — Follow redirect chains and see the full path with HTTP status codes
- HTTP header inspector — View response headers for any page without opening developer tools
- Country flag indicator — See where each SERP result’s server is located
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Free vs. Paid
The toolbar is free to install and provides on-page SEO reports and broken link checking without an Ahrefs account. However, SERP metrics (DR, UR, traffic, backlinks) require an active Ahrefs subscription starting at $129/month. If the full subscription is outside your budget, you can access Ahrefs through an Ahrefs group buy at a fraction of the cost.
Pros
- Most accurate and comprehensive SERP overlay data available
- DR is more widely trusted than DA among link builders
- On-page analysis is thorough and well-organized
- Lightweight — doesn’t slow down browsing like MozBar
Cons
- Full SERP metrics require a paid Ahrefs subscription
- No keyword search volume or CPC data on SERPs
- Chrome only — no Firefox support
Best for: SEO professionals and link builders who already use (or plan to use) Ahrefs and want the most data-rich SERP overlay available.
2. SEOquake — Best Free All-in-One SEO Extension
SEOquake is built by the Semrush team and is arguably the most feature-packed free SEO browser extension available. It’s been around since 2006 and has earned a reputation as the Swiss Army knife of SEO extensions — doing on-page audits, SERP analysis, keyword density checks, and link examination all from a single toolbar.
Key Features
- SERP overlay — Displays Semrush Authority Score, Alexa Rank, number of indexed pages, referring domains, and social signals for each search result
- On-page SEO audit — Full analysis including title, meta, headings, images, internal/external links, keyword density, and schema markup
- SERP comparison tool — Export SERP data for any keyword to CSV for further analysis
- Keyword density analyzer — Calculate exact and phrase-match keyword density for any page
- Internal/external link analysis — View all links on a page with nofollow/dofollow status, anchor text, and target URLs
- Customizable parameters — Choose exactly which metrics appear in the toolbar and SERP overlay
Free vs. Paid
SEOquake is completely free. There’s no paid tier or premium version. It connects to Semrush data when you have an active Semrush account, but all core features work without one. This alone makes it the most generous MozBar alternative available.
Pros
- 100% free with no daily query limits
- Extremely comprehensive on-page analysis
- SERP export to CSV is genuinely useful for competitive research
- Highly customizable — disable metrics you don’t need
- Available on Chrome, Firefox, and Edge
Cons
- Interface can feel cluttered with all parameters enabled
- Authority Score requires Semrush account for full accuracy
- Can slow down SERPs when displaying many parameters simultaneously
- No backlink count or link data without a Semrush subscription
Best for: Budget-conscious SEO professionals who need a robust, free extension for on-page audits and SERP analysis without spending a dime.
3. Ubersuggest Chrome Extension — Best for Keyword Data on SERPs
Neil Patel’s Ubersuggest extension takes a different approach from MozBar. Rather than focusing on authority metrics, it prioritizes keyword data — showing monthly search volume, CPC, and SEO difficulty directly on Google search results and within the Google autocomplete suggestions.
Key Features
- Keyword data overlay — See monthly search volume, CPC, and competition score for any Google search query
- Related keyword suggestions — View “People Also Search For” keywords with volume data directly in the SERPs
- Domain overview sidebar — Click any result to see Domain Score, organic monthly traffic, and top pages
- Backlink data — Basic referring domain count and backlink summary for each SERP result
- Content ideas panel — See top-performing content for the searched keyword with social shares and backlink counts
- Export functionality — Export keyword lists and SERP data for later analysis
Free vs. Paid
The extension provides limited free queries daily (approximately 3-5 keyword lookups). Full access requires an Ubersuggest subscription ($29/month) or lifetime plan ($290 one-time). The free tier is more generous than MozBar’s for keyword data but more limited for authority metrics.
Pros
- Keyword volume and CPC data directly on SERPs — something MozBar lacks entirely
- Clean, non-intrusive interface that doesn’t clutter search results
- Related keyword suggestions are genuinely useful for content ideation
- Lifetime pricing option eliminates recurring costs
Cons
- Very limited free queries per day
- Domain Score isn’t as widely recognized as DA or DR
- Data accuracy is lower than Ahrefs or Semrush for competitive keywords
- No on-page analysis features
Best for: Content creators and bloggers who primarily need keyword data (volume, CPC, difficulty) overlaid on their Google searches rather than link metrics.
4. Keywords Everywhere — Best for Search Volume & Trend Data
Keywords Everywhere deserves its spot as a MozBar alternative not because it replaces MozBar’s authority metrics, but because it fills a gap MozBar never addressed: showing search volume, CPC, competition, and 12-month trend data across multiple platforms simultaneously — Google, YouTube, Bing, Amazon, and more.
Key Features
- Search volume overlay — Monthly search volume, CPC, and competition score displayed below the search bar on Google, YouTube, Bing, Amazon, and eBay
- Related keywords sidebar — 15-20 related keywords with volume data shown on every search
- “People Also Search For” data — Volume metrics for related queries that Google surfaces
- Trend chart — 12-month search trend graph for any keyword (free)
- SERP metrics — Estimated traffic, backlinks, and DA for search results (paid only)
- Bulk import — Upload keyword lists and get volume data for all of them at once
- Multi-platform support — Works on 15+ websites including Google Search Console, Google Analytics, and Google Trends
Free vs. Paid
The free version shows trend charts and related keywords without volume numbers. The paid version uses a credit-based system — $10 buys 100,000 credits (one credit per keyword lookup). This makes it extremely affordable for high-volume keyword research.
Pros
- Works across 15+ platforms — not just Google search
- Credit-based pricing is incredibly cost-effective ($10/100K lookups)
- Trend data is available completely free
- Minimal performance impact on browsing speed
- Available on Chrome, Firefox, and Edge
Cons
- No authority metrics (DA/PA/DR) — purely keyword-focused
- No on-page analysis capabilities
- Paid credits are consumed quickly with heavy use
- SERP overlay is less comprehensive than Ahrefs or SEOquake
Best for: Keyword researchers and content strategists who need volume and trend data across multiple search platforms integrated directly into their browsing experience.
5. SEO Minion — Best Free On-Page SEO Checker
SEO Minion is a completely free extension that excels at on-page SEO analysis — an area where MozBar’s free tier falls short. Instead of focusing on domain-level authority metrics, SEO Minion breaks down individual pages: headings, links, hreflang tags, SERP previews, and broken links.
Key Features
- On-page SEO analysis — Comprehensive breakdown of title, meta description, headings (H1-H6), images with alt text status, and canonical tags
- SERP preview — See exactly how a page’s title and meta description will appear in Google search results, with character count warnings
- Broken link checker — Scan any page for broken internal and external links with HTTP status codes
- Hreflang checker — Validate hreflang tag implementation across multi-language sites
- Google SERP location simulator — See search results as they appear in different countries and languages
- Highlight all links — Visually distinguish nofollow, dofollow, internal, and external links on any page
Free vs. Paid
SEO Minion is entirely free with no paid tier, no account required, and no daily limits. Every feature is available immediately after installation. This makes it one of the most accessible MozBar alternatives for anyone on a tight budget.
Pros
- 100% free — no account, no limits, no premium tier
- Best SERP preview tool of any free extension
- Hreflang checker is rare and valuable for international SEO
- Extremely lightweight and fast
Cons
- No authority metrics (DA, DR, AS) at all
- No keyword volume or search data
- No SERP overlay for competitor analysis
- Limited to Chrome only
Best for: On-page SEO specialists, technical SEOs, and content editors who need fast, free page-level analysis without clutter.
6. Detailed SEO Extension — Best for Quick Technical Snapshots
Created by the team behind the Detailed.com SEO blog, this extension provides a clean, instant snapshot of any page’s technical SEO setup. One click opens a panel showing titles, meta data, headings, canonical URLs, robots directives, schema markup, and social tags — all formatted in a readable layout.
Key Features
- Page summary — Title, meta description, canonical URL, robots meta, and indexing status at a glance
- Heading structure — Full H1-H6 hierarchy for any page, highlighting missing or duplicate headings
- Link analysis — Count of internal, external, and unique links with nofollow status
- Schema/structured data — Detect and display JSON-LD, Microdata, and RDFa markup
- Social tags — Open Graph and Twitter Card data preview
- Image analysis — Image count, alt text coverage, and lazy loading detection
- Technology detection — Identify CMS, analytics tools, and marketing tags on the page
Free vs. Paid
Detailed SEO Extension is completely free with no restrictions, no account required, and no premium version.
Pros
- Cleanest, most readable interface of any SEO extension
- Schema markup detection is genuinely rare in free tools
- Technology stack detection is useful for competitive analysis
- Zero performance impact — loads data on-demand only
Cons
- No SERP overlay at all — only analyzes the current page
- No authority or link metrics
- No keyword data
- Chrome only
Best for: Content editors, web developers, and SEO consultants who need instant technical page audits while browsing competitor sites.
7. SimilarWeb Extension — Best for Traffic Estimation
SimilarWeb’s browser extension fills a completely different niche than MozBar. Instead of link metrics and on-page analysis, it shows estimated traffic volume, traffic sources, audience geography, and engagement metrics for any website you visit. This gives you something MozBar never provided: a window into how much traffic a site actually receives.
Key Features
- Traffic overview — Estimated monthly visits, pages per visit, average visit duration, and bounce rate
- Traffic sources — Breakdown by direct, referral, search, social, email, and display advertising
- Global and country rank — Site ranking compared to all websites globally and within specific countries
- Geography — Top 5 countries driving traffic to the site
- Similar sites — Discover competitor and related websites based on audience overlap
- Technology stack — Identify the CMS, hosting, and marketing tools a site uses
Free vs. Paid
The extension provides free basic metrics (global rank, category rank, total visits estimate) for any site. Detailed traffic source breakdowns, engagement metrics, and competitive analysis require a SimilarWeb Pro subscription (custom enterprise pricing).
Pros
- Traffic estimation data is unique — no other free extension provides this
- Traffic source breakdowns help you understand where competitors get visitors
- Similar sites discovery is excellent for finding new competitors
- Clean popup interface that doesn’t interfere with browsing
Cons
- No SEO metrics (DA, backlinks, keyword data)
- No SERP overlay
- No on-page analysis
- Traffic estimates can be inaccurate for smaller sites (under 50K monthly visits)
- Full data requires expensive enterprise subscription
Best for: Digital marketers, business analysts, and competitive researchers who need quick traffic estimations for competitor websites.
8. Majestic Backlink Analyzer — Best for Link Quality Assessment
Majestic’s browser extension brings the platform’s renowned Trust Flow and Citation Flow metrics directly into your browser. While it doesn’t overlay data on SERPs like MozBar, it provides a quick popup summary of any site’s backlink profile — including the proprietary Topical Trust Flow that categorizes link quality by topic relevance.
Key Features
- Trust Flow (TF) — Quality-based authority metric measuring the trustworthiness of a site’s backlink profile
- Citation Flow (CF) — Quantity-based metric measuring the volume of links pointing to a site
- Topical Trust Flow — Breaks down backlink authority by topic category — unique to Majestic
- Referring domains count — Number of unique domains linking to the current site
- External backlinks count — Total number of external backlinks detected
- Link profile summary — Quick visual showing the TF/CF ratio and topical distribution
Free vs. Paid
The extension shows basic TF and CF scores for free when visiting any website. Detailed backlink data, referring domain lists, and historical link data require a Majestic subscription starting at $49.99/month.
Pros
- Trust Flow is considered more reliable than DA for evaluating link quality
- Topical Trust Flow provides context no other extension offers
- Quick popup format — no SERP interference
- Available on Chrome, Firefox, and Opera
Cons
- No SERP overlay — only works on individual sites you visit
- No on-page analysis
- No keyword data
- Detailed data requires a paid subscription
- Interface design feels dated compared to newer extensions
Best for: Link builders and outreach specialists who want to quickly evaluate link quality using Trust Flow and Citation Flow while prospecting sites.
Which MozBar Alternative Should You Choose?
The right extension depends on what you actually used MozBar for. Here’s a quick decision guide:
If You Primarily Used MozBar for DA/PA on SERPs
Go with the Ahrefs SEO Toolbar. Its DR/UR metrics are drawn from a larger backlink index than Moz’s, and the SERP overlay is cleaner and faster. You’ll need an Ahrefs subscription, but it’s the closest direct upgrade from MozBar’s authority metrics.
If You Need a Free All-in-One Replacement
Install SEOquake. It’s the only free extension that combines SERP overlay, on-page audit, link analysis, and keyword density checking in a single package. No daily limits, no account required for core features.
If Keyword Data Matters More Than Link Metrics
Choose Keywords Everywhere for cross-platform volume data, or Ubersuggest if you also want domain-level metrics alongside keyword information.
If You Need On-Page Technical Analysis
Pair SEO Minion (for SERP preview, broken links, and hreflang) with Detailed SEO Extension (for schema, heading structure, and technology detection). Both are free and lightweight enough to run together.
The Multi-Extension Strategy
Many experienced SEOs don’t rely on a single extension. A popular combination is: Ahrefs Toolbar (authority metrics) + SEO Minion (on-page checks) + Keywords Everywhere (keyword data). This three-extension stack covers more ground than MozBar ever did — and the latter two are free.
How to Access Premium SEO Extensions Affordably
The best MozBar alternatives with full data — particularly the Ahrefs SEO Toolbar and extensions powered by Semrush — require paid subscriptions that can be expensive. Ahrefs starts at $129/month, and Semrush at $139.95/month.
If those prices are beyond your current budget, group buy SEO tools platforms like Toolsurf provide shared access to these premium tools at dramatically reduced prices. Instead of paying full retail for individual subscriptions, you can access Ahrefs, Semrush, Moz Pro, and other tools for a few dollars per month — making the full-featured browser extensions viable even on a tight budget.
This is especially useful if you’re testing multiple platforms. Through a Moz group buy, you can continue using MozBar with full Moz Pro access while simultaneously evaluating Ahrefs’ toolbar with group buy Ahrefs access — without spending $228+/month on dual subscriptions.
⚖️ ToolSurf Verdict
For a straight MozBar replacement, SEOquake is the best free option — it offers SERP overlays, on-page audits, and link data without spending a cent. For the most powerful alternative with the best data, the Ahrefs SEO Toolbar is the clear winner, though it requires a paid subscription. The smartest move for most SEOs is a multi-extension stack: pair Ahrefs Toolbar (or SEOquake) for SERP metrics with SEO Minion for on-page checks and Keywords Everywhere for search volume. This combination outperforms MozBar in every category. If budget is a concern, access the full-featured versions through Toolsurf’s group buy platform — you’ll get premium SERP overlay data at a fraction of the retail cost.
Frequently Asked Questions
What is the best free alternative to MozBar?
SEOquake is the best free MozBar alternative overall. It provides SERP overlays with authority metrics, comprehensive on-page analysis, keyword density checking, and link examination — all completely free with no daily limits. For pure on-page analysis, SEO Minion and Detailed SEO Extension are also excellent free options that don’t require any account or login.
Does the Ahrefs SEO Toolbar work without a paid subscription?
Partially. The Ahrefs SEO Toolbar provides free on-page analysis features (heading checker, meta data, broken link detection, redirect tracer) without a subscription. However, the SERP overlay metrics — Domain Rating, URL Rating, traffic estimates, and backlink counts — require an active Ahrefs subscription starting at $129/month or access through a group buy service.
Which browser extension shows the most accurate domain authority?
Accuracy depends on the metric. Ahrefs Domain Rating (DR) draws from the largest backlink index and is generally considered the most reliable for evaluating overall link strength. Majestic’s Trust Flow is preferred for assessing link quality specifically. Moz’s Domain Authority remains the most widely cited metric in the industry, even if its underlying data is smaller. For the best picture, check metrics from at least two different sources.
Can I use multiple SEO browser extensions at the same time?
Yes, and most SEO professionals do exactly this. The key is choosing extensions that complement rather than overlap. A recommended stack is: one extension for SERP authority metrics (Ahrefs Toolbar or SEOquake), one for on-page analysis (SEO Minion or Detailed), and one for keyword data (Keywords Everywhere). Running more than three or four SEO extensions simultaneously may slow down your browser, so disable ones you aren’t actively using.
Why did MozBar become less popular?
Several factors contributed: strict daily query limits on the free tier (roughly 10 per day), noticeable browser slowdowns, Chrome’s Manifest V3 causing compatibility issues, and the fact that free MozBar no longer shows DA/PA on SERPs without logging in and consuming credits. Competing extensions like SEOquake offered similar or better functionality without these restrictions, causing many users to switch.
Is Keywords Everywhere worth paying for?
For keyword research, absolutely. At $10 for 100,000 credits (one credit per keyword lookup), it’s one of the most cost-effective SEO tools available. The free version shows trend charts but hides actual search volume numbers. If you regularly need volume, CPC, and competition data while browsing, the paid version pays for itself quickly. It’s not a MozBar replacement for link metrics, but it fills a gap MozBar never covered.
What happened to MozBar’s free features?
Moz gradually restricted MozBar’s free tier over the years. Originally, it showed DA and PA on SERPs without limits. Now, free users must log in with a Moz account, are capped at approximately 10 SERP queries per day, and can’t access Spam Score or detailed link metrics without a Moz Pro subscription ($99/month). The extension still works but offers significantly less value than it did a few years ago.
How can Toolsurf help me access premium SEO extensions?
Toolsurf operates as a group buy platform that provides shared access to premium SEO tools at a fraction of their retail prices. Instead of paying $129/month for Ahrefs or $99/month for Moz Pro individually, Toolsurf lets you access these platforms (and their associated browser extensions with full data) for just a few dollars per month. This is particularly valuable for freelancers, small agencies, and SEO professionals in regions where individual subscription costs are prohibitive.
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