Features That Make
SEO Simple
Everything you need to find, fix, and monitor SEO issues in React, Vue, Next.js, and other JavaScript-heavy websites. No more guessing what Google sees.
Real Browser Rendering
We use actual Chrome to render your pages, executing JavaScript exactly like Googlebot does.
ELI5 Explanations
Every issue comes with plain-English explanations and copy-paste code fixes.
Desktop & Mobile Googlebot
Side-by-side screenshots show what Google sees on desktop and mobile vs what users see.
JS Error Detection
Catch JavaScript errors that break your pages and hurt SEOβincluded free for all.
Real Browser Rendering
We use Puppeteer (headless Chrome) to render your pages exactly like Google does. Unlike traditional crawlers that only see raw HTML, we execute JavaScript and wait for your React, Vue, or Next.js app to fully render.
- See what Googlebot actually sees
- Catch client-side rendering issues
- Detect hydration problems
- Find dynamic content gaps
Desktop & Mobile Googlebot Screenshots
See exactly what Google sees on both desktop and mobile compared to what your users see. Pixel-level difference overlays highlight every rendering difference, with visual similarity scores and rendering health grades (excellent/good/fair/poor).
- Desktop & mobile comparisons
- Pixel-level visual difference overlay
- Visual similarity percentage scores
- Rendering health grades
Lightning Fast Scans
Our optimized crawler uses parallel processing, resource blocking, and sitemap discovery to scan your site efficiently. Get comprehensive results in 1-2 minutes.
- Parallel page processing
- Smart resource blocking
- Automatic sitemap discovery
- Adaptive timeouts
URL List Mode
Don't want to crawl your entire site? Paste specific URLs you want to scan. Perfect for testing landing pages, auditing after deployments, or re-checking problem pages.
- Scan specific pages only
- Paste or upload URL lists
- CSV file support
- Great for CI/CD pipelines
Real-Time Progress
Watch your scan progress in real-time with our Server-Sent Events streaming. See pages being analyzed, issues found, and estimated time remaining as it happens.
- Live progress updates
- Current page indicator
- Issues/warnings counter
- Estimated time remaining
35+ Issue Types
We detect a comprehensive range of SEO issues including missing titles, meta descriptions, H1 tags, Open Graph tags, Twitter cards, canonical URLs, structured data, performance issues, and more.
- Critical issues flagged first
- Priority-based sorting
- Detailed explanations
- Code fix examples
JavaScript Error Detection
Automatically catch JavaScript errors that break your pages and hurt SEO. We detect uncaught exceptions, console errors, and failed network requests during every scan.
- Uncaught exception detection
- Console error monitoring
- Failed request tracking
- JS health summary report
Internal Link Analysis
Discover orphan pages with zero internal links, identify poorly-linked content, and optimize your site structure for better crawlability and SEO performance.
- Orphan page detection
- Link count per page
- Site structure insights
- Crawlability optimization
ELI5 Issue Explanations
Every issue comes with plain-English explanations that anyone can understand. Learn why it matters, get step-by-step fix instructions, and copy real code examples.
- Plain-English explanations
- Why it matters for SEO
- Step-by-step fix guides
- Copy-paste code examples
Social Media Tags
Check your Open Graph and Twitter Card tags to ensure your content looks great when shared on Facebook, LinkedIn, Twitter/X, and other social platforms.
- Open Graph validation
- Twitter Card detection
- Image size recommendations
- Preview optimization tips
Structured Data
Detect JSON-LD structured data on your pages. Get recommendations for implementing Schema.org markup to enable rich snippets in search results.
- JSON-LD detection
- Schema type identification
- Rich snippet eligibility
- Implementation guides
Image Accessibility
Find images missing alt text, which hurts both SEO and accessibility. We identify exactly which images need attention and provide best practices.
- Alt text validation
- WCAG compliance help
- Image SEO tips
- Bulk issue detection
Scheduled Scans
Set up automated scans to monitor your SEO. Pro users get weekly/monthly scans, Enterprise users unlock daily frequency for real-time monitoring.
- Pro: Weekly/monthly frequency
- Enterprise: Daily frequency
- Automatic execution
- Regression detection
Scheduled Scan & Weekly Digest Emails
Get email alerts when scheduled scans complete and receive weekly SEO digest summaries of all your monitored sites. Stay informed without checking dashboards.
- Scheduled scan completion alerts
- Weekly SEO health digest
- Quota warnings (all tiers)
- Customizable preferences
Scan History & Comparison
Access your complete scan history and compare any two scans side-by-side. See what's improved, what's regressed, and track your SEO progress over time.
- Full scan history access
- Side-by-side comparison
- Issue trend tracking
- Track improvements over time
Visual Scan Comparison
Compare scans over time to track visual changes. Pixel-level difference images and similarity percentages make it easy to catch layout regressions before they impact rankings.
- Pixel-level difference images
- Similarity percentage tracking
- Before/after views
- Visual regression detection
Team Collaboration
Invite your team members to collaborate on SEO. Track team activity with built-in analytics, export team reports as PDF, and work together to fix issues.
- Invite team members
- Team analytics dashboard
- Export team reports as PDF
- Role-based permissions
Role-Based Access
Control who can do what with granular permissions. Viewers can see results, Members can run scans, Admins can manage the team.
- Viewer/Member/Admin roles
- Granular permissions
- Secure data access
- Enterprise controls
PDF Reports
Generate professional PDF reports perfect for clients, stakeholders, or your own records. Branded, comprehensive, and ready to share.
- Professional formatting
- Complete issue details
- Easy to share
- Client-ready
CSV & JSON Export
Export your scan data in CSV for spreadsheets or JSON for developers. Import into Google Sheets, Excel, or your own tools.
- CSV for spreadsheets
- JSON for developers
- Google Sheets compatible
- API-ready format
API Access
Integrate JSVisible into your workflow with our REST API. Trigger scans programmatically, retrieve results, and build custom integrations.
- RESTful API
- Programmatic scans
- CI/CD integration
- Custom workflows
35+ Issue Types Detected
We catch everything that matters for JavaScript SEO, including JS errors and orphan pages
Works With Your Stack
Built specifically for modern JavaScript frameworks and SSR/CSR apps
ELI5 Explanations
& Code Fixes
Every issue comes with plain-English explanations and ready-to-use code examples for your specific framework. No more Googling how to add meta tags in Next.js.
- Plain-English "why it matters" explanations
- HTML, React, Next.js, Vue code examples
- Copy-paste ready solutions
- Links to official documentation
// app/page.js
export const metadata = {
title: "Your Page Title | Brand",
description: "A compelling description...",
openGraph: {
title: "Social Share Title",
description: "Social description...",
images: [{
url: "https://site.com/og.jpg",
width: 1200,
height: 630,
}],
},
twitter: {
card: "summary_large_image",
},
};Why JSVisible?
Traditional SEO tools weren't built for JavaScript
| Feature | Traditional Tools | JSVisible |
|---|---|---|
| JavaScript Rendering | β | β |
| React/Vue/Next.js Support | β Partial | β Full |
| Client-Side Content | β Misses | β Sees All |
| Real Browser Engine | β | β Chrome |
| ELI5 Explanations | β | β All Tiers |
| Desktop & Mobile Googlebot Screenshots | β | β Pro+ |
| JavaScript Error Detection | β | β All Tiers |
| Internal Link Analysis | β | β All Tiers |
| Framework Code Examples | β | β |
| Results Speed | β±οΈ Minutes | β‘ 1-2 Minutes |
| URL List Mode | β | β |
| Real-Time Progress | β | β |
Ready to See What Google Sees?
Stop guessing if your JavaScript site is SEO-friendly. Get a comprehensive scan in 1-2 minutesβno credit card required.
β¨ Free forever plan available β’ β No credit card required β’ π Cancel anytime