ePageUSA vs SEOptimer vs Sitechecker: Which SEO Audit Tool Is Best?

SEO audit tools all promise the same thing: scan your site, find problems, tell you how to fix them. But the experience — and the price — varies wildly. Some give you everything for free. Others show you a preview and lock the rest behind a $20-50/month paywall. Either way, if you're a small business owner just trying to know if your site is healthy, free is the only reasonable price.

We put three popular SEO audit tools through the same test to see which one delivers the most actionable insights without draining your wallet.

The Contenders

ePageUSA Site Analyzer — An all-in-one website intelligence tool that combines SEO auditing with tech stack detection, visual design inspection, security analysis, and more. Completely free.

SEOptimer — A dedicated SEO audit tool that grades websites on SEO, usability, performance, social presence, and security. Free report available.

Sitechecker — An SEO platform that crawls your site for technical SEO issues, tracks rankings, and monitors backlinks. Free tier available.

Feature Comparison

Feature	ePageUSA	SEOptimer	Sitechecker
On-page SEO checks	12 checks, A-F grade	Comprehensive	Comprehensive
Tech stack detection	30+ categories	No	No
Visual design inspector	Fonts, colors, images	No	No
Security analysis	Headers, HTTPS	Basic	Basic
Accessibility checks	Yes	Basic	No
Performance metrics	Yes	Yes	Yes
Social preview cards	Yes	Social presence check	No
Backlink analysis	No	No	Yes
Site crawling	Single page	Single page	Full site
Rank tracking	No	No	Yes (paid)
Price	Free, unlimited	1 free report, then $19+/mo	Limited free, then $29+/mo
Signup required	No	No (for first report)	Yes

SEO Auditing

All three tools check the fundamentals: title tags, meta descriptions, headings, image alt text, mobile optimization, and page speed.

ePageUSA runs 12 specific checks and gives you an A-F letter grade. Each check shows pass/warning/fail with the actual value found and a recommendation. It's designed to be understandable by non-technical business owners.

SEOptimer provides a more traditional SEO report with a 0-100 score across multiple categories. The report is detailed and well-designed. However, the free version gives you one report — after that, you need a plan starting at $19/month.

Sitechecker goes deeper with full-site crawling (not just single-page analysis). It finds issues like broken links, duplicate content, and crawl errors across your entire site. But the free tier is extremely limited — a few pages only.

What Sets Them Apart

ePageUSA goes way beyond SEO

The biggest differentiator is scope. ePageUSA isn't just an SEO tool — it's a complete website intelligence platform. One scan gives you:

• SEO audit with grade
• Tech stack identification (what frameworks, CMS, analytics the site uses)
• Font detection with live previews
• Color palette extraction with hex codes
• Image gallery with alt text audit
• Social media preview cards
• Security header analysis
• Accessibility checks
• Performance metrics
• Link analysis

Neither SEOptimer nor Sitechecker offers visual design inspection, font detection, or tech stack analysis.

SEOptimer excels at readability

SEOptimer's reports are clean, well-organized, and easy to understand. They're designed to be shared with clients — which is why they're popular with agencies. The white-label report feature (paid) is a genuine differentiator for agencies.

Sitechecker wins on crawling

If you need to audit an entire site with hundreds of pages, Sitechecker's crawler is the right tool. It finds issues that single-page tools miss: orphan pages, redirect chains, duplicate content across pages.

Pricing Reality Check

ePageUSA: Free. No limits. No signup. No catch.

SEOptimer: First report is free. After that:

• DIY SEO: $19/month
• White Label: $29/month
• White Label & Embedding: $59/month

Sitechecker: Limited free tier, then:

• Basic: $29/month
• Standard: $69/month
• Premium: $139/month

Full Feature Comparison Table

Here's the complete breakdown across every check that matters:

Check	ePageUSA	SEOptimer	Sitechecker
Meta title analysis	Yes (length + content)	Yes	Yes
Meta description check	Yes (length + content)	Yes	Yes
Heading structure (H1-H6)	Yes (hierarchy audit)	Yes	Yes
Image alt tags	Yes (per-image audit)	Basic count	Yes
Mobile responsiveness	Yes	Yes	Yes
Page speed score	Yes (Core Web Vitals)	Yes	Yes
Schema/structured data	Yes (detection)	No	Yes
Social preview cards	Yes (OG + Twitter)	Social presence only	No
Security headers	Yes (6 header checks)	Basic HTTPS check	Basic HTTPS check
Accessibility audit	Yes (WCAG checks)	Basic	No
Backlink analysis	No	No	Yes (paid)
Rank tracking	No	No	Yes (paid)
Full site crawling	No (single page)	No (single page)	Yes
Tech stack detection	Yes (30+ categories)	No	No
Font detection	Yes (with previews)	No	No
Color palette extraction	Yes (hex codes)	No	No
Link analysis	Yes (internal + external)	Basic	Yes
Competitor comparison	No	No	Yes (paid)
White-label reports	No	Yes (paid)	Yes (paid)
API access	No	Yes (paid)	Yes (paid)
Signup required	No	No (first report)	Yes
Unlimited free scans	Yes	No (1 free)	No

Which Tool Should You Actually Use?

The right tool depends on what you're trying to accomplish. Here are three common scenarios:

You're a freelancer checking a client's site

You need a fast, comprehensive scan you can share in a proposal meeting. Run the site through ePageUSA — you'll get SEO grade, tech stack, design details, security status, and performance metrics in one report. No signup, no paywall, no "upgrade to see full results" nonsense. You can screenshot the results and drop them into your pitch deck in five minutes.

You're an agency running audits for 50 clients

You need white-label reports with your branding, batch scanning, and a workflow that scales. SEOptimer's white-label plan at $29-59/month is built for this exact use case. The branded PDF reports look professional and save you hours of manual formatting. If you also need ongoing monitoring, Sitechecker's Standard plan adds crawling and rank tracking.

You're a business owner who just wants to know if your site is healthy

You don't need three tools. You need one honest scan. Use ePageUSA's free site analyzer. It'll tell you your SEO score, whether your site is secure, how fast it loads, whether your meta tags are set up correctly, and what technologies your site runs on. If something is broken, you'll know exactly what to fix — or who to call.

This applies whether you're running an e-commerce store and need to audit your product pages, or you've got a WordPress site and want to understand what plugins might be slowing you down. The tool works on any site regardless of platform.

When to Use Each

Use ePageUSA if: You want a complete picture of any website in one scan — SEO, design, tech, security, everything. Best for business owners, designers, and marketers who need actionable insights without paying for multiple tools.

Use SEOptimer if: You're an agency that needs white-label SEO reports for clients. The branded report feature is worth the price for that specific use case.

Use Sitechecker if: You're an SEO professional who needs full-site crawling, rank tracking, and backlink monitoring across client sites. The platform is built for ongoing SEO management, not one-time audits.

The Bottom Line

For quick, comprehensive website analysis, the ePageUSA Site Analyzer gives you the most value for free — not just SEO, but everything you'd want to know about a website. SEOptimer and Sitechecker are solid tools, but their free tiers are essentially demos for paid products. If the scan tells you your site is beyond patching, our digital marketing service rebuilds the whole stack starting at $750.

Try it yourself: Free Site Analyzer

Is ePageUSA Site Analyzer really free?

Yes. No trial period, no credit card, no signup, no "scan limit reached" after one use. You can run unlimited scans on any website and get the full report every time. The tool is free because it's built into our web design platform — it drives awareness for our design and marketing services, so there's no reason to gate it.

What's the best free SEO audit tool in 2026?

For a single-page comprehensive audit, ePageUSA gives you the most data for free — SEO, tech stack, design, security, and accessibility in one scan. For full-site crawling, Sitechecker's free tier lets you check a few pages. For a clean, shareable report format, SEOptimer's first free scan is solid. If you're picking one tool and one tool only, ePageUSA covers the most ground at zero cost.

Do I need multiple SEO tools?

Most small business owners don't. One good audit tool tells you what's broken. Fix those things first. You only need multiple tools when you're doing ongoing SEO management — tracking rankings over time, monitoring backlinks, running competitive analysis. For a health check and action plan, a single comprehensive scan is enough. Don't collect tools. Collect results.

Related reading: ePageUSA vs Wappalyzer vs BuiltWith | Best Free Website Analyzers 2026