Introduction of the JavaScript rendering engine with Playwright/Chromium, visual screenshot analysis, SEO JS Impact diff, and migration system.
Single URL scans now use headless Chromium with Googlebot UA, exactly as Google crawls. Automatic fallback to requests if Playwright is unavailable.
Above-the-fold screenshot (1280x800) for every single URL scan, visible in the "Visual" report tab and embedded in the PDF cover page.
Static HTML vs rendered DOM comparison: JS-added links, modified meta fields, content growth. Shows the real impact of JavaScript on SEO.
Force-directed graph of internal links using D3.js v7. Color-coded nodes (source, orphans, normal), interactive drag, zoom and pan.
Introduction of the subscription system with Pro plan, Stripe integration, pricing page, subscription management and plan-aware registration flow.
Checkout session, webhook for automatic status updates, Stripe customer portal for subscription management and cancellation
Free (5 scans/day, 7-day history, 90-day API promo) and Pro (50 scans/day, 90-day history, full API, 10 sitemap scans/day)
New sign-up page with plan selection (Free, Pro, Enterprise) and direct redirect to Stripe Checkout for the Pro plan
Comprehensive billing details input (for individuals and companies) directly during signup to speed up the checkout process.
Introduction of the complete REST API with token management from the dashboard, interactive API Reference page and code examples for Bash, Python and Node.js.
Create, list and revoke API keys from the Dashboard with granular scopes (read, scan, export)
POST /api/v1/scans with polling via GET /api/v1/scans/{id}. Supports single and sitemap modes
JSON, CSV and PDF export via GET /api/v1/scans/{id}/export/{format}
New page /api-docs with interactive documentation, sticky sidebar and code copy button
Comprehensive accessibility check following W3C WCAG 2.2 Level AA guidelines. Includes verification of images without alt text, heading hierarchy, form labels, lang attribute, duplicate IDs, and skip links. 0-100 score with conformance level (A, AA, AAA, or Non-compliant).
WCAG 2.2 Level AA compliance analysis with 0-100 score and conformance level (A, AA, AAA, or Non-compliant)
Automatic verification of images without alt attribute (WCAG 1.1.1 Level A)
H1-H6 heading structure check and hierarchy compliance (WCAG 1.3.1 Level A)
Verification of labels for all form inputs (WCAG 3.3.2 Level A)
HTML lang attribute check for correct screen reader pronunciation (WCAG 3.1.1 Level A)
Skip to content links detection for keyboard navigation (WCAG 2.4.1 Level A)
Complete multilingual interface (IT/EN) with personal dashboard to manage your scans.
Full Italian and English interface with language switcher, all SEO checks and messages translated
Personal dashboard with all saved scans, quick access to previous results and detailed information
Export SEO reports to PDF or Excel format to share with clients or analyze with your tools
Results organized by categories with error and warning counters, collapsible sections and informative tooltips
Automated email notifications with beautiful branded templates for enhanced user experience.
Professional welcome email sent automatically upon sign up with personalized greeting and quick start guide
Secure password reset emails with branded template, security warnings, and 1-hour expiration
Gradient headers, PerSeo branding, responsive HTML layout with professional typography
SMTP integration via ssmtp for reliable email delivery using existing Gmail configuration
Comprehensive input validation and sanitization across the entire platform.
All input fields (login, signup, search) now sanitized to prevent XSS and injection attacks
Enhanced server-side validation for email addresses, URLs, and user inputs
Complete user authentication system with enhanced features for registered users.
Create your free account with email/password or Google Sign-In
Quick sign-in with your Google account
Download PDF and Excel reports (registered users only)
10 scans/day for registered users (vs 1/day for guests)
Advanced brand presence scoring and domain authority indicators.
Automated detection of brand signals (social profiles, contact info, about pages)
Analyze domain age, SSL certificates, and security headers
Visual brand score with actionable recommendations
Updated performance metrics based on Google's 2025 Core Web Vitals standards.
Largest Contentful Paint - Visual load speed
Interaction to Next Paint - Responsiveness
Cumulative Layout Shift - Visual stability
Comprehensive security headers scanning and scoring system.
Check for CSP, HSTS, X-Frame-Options, X-Content-Type-Options, and more
0-100 scoring system with color-coded results and recommendations
Clear explanations and implementation guides for each header
First public version with core web analysis features.
Load time, page size, resource optimization
Title, meta description, headings structure, canonical tags
Internal/external links, broken link detection
Alt text analysis, image size recommendations