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What is SEOFlash?
SEOFlash is a free SEO audit tool that checks any website in seconds. Paste a URL, hit scan, and get a detailed breakdown of what’s working and what’s not. No account required, no credit card, no waiting.
The audit covers the things that actually matter for search rankings: meta tags, heading structure, image optimization, mobile readiness, page speed signals, structured data, and more. You get a score out of 100 plus specific recommendations you can act on right away.
Why we built this
Most SEO tools are built for agencies. They cost $100+/month, require onboarding, and bury useful information behind dashboards designed for power users. If you just want to know “is my site’s SEO okay?” you shouldn’t need a subscription.
We wanted something simple. Enter a URL, get a score, see what to fix. That’s SEOFlash in one sentence. It’s built for founders, freelancers, and small teams who care about search visibility but don’t have time to learn a complex tool.
What the audit covers
Every scan checks six core areas:
- Meta tags: title length, meta description, Open Graph and Twitter Card tags
- Content structure: heading hierarchy (H1 through H6), keyword placement, word count
- Images: alt text coverage, file sizes, lazy loading, modern formats
- Technical SEO: canonical URLs, robots meta, structured data (JSON-LD), sitemap
- Performance: page load indicators, render-blocking resources, compression
- Mobile readiness: viewport configuration, tap target sizing, responsive signals
Each category gets its own score, so you can see exactly where to focus your effort.
What to expect from this blog
We’ll be sharing:
- Product updates: new checks, scoring improvements, and features as we add them
- SEO guides: practical, no-fluff tutorials on fixing common issues (broken meta tags, missing alt text, slow pages)
- SEO insights: what’s changing in search, what actually moves the needle, and what you can safely ignore
Get started
Ready to check your site? Head to SEOFlash, paste your URL, and get your free SEO score in under 10 seconds.

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