v8.0.0-alpha LATEST March 1, 2026

JS Rendering Engine & New UI

Introduction of the JavaScript rendering engine with Playwright/Chromium, visual screenshot analysis, SEO JS Impact diff, and migration system.

Playwright Headless Engine

Single URL scans now use headless Chromium with Googlebot UA, exactly as Google crawls. Automatic fallback to requests if Playwright is unavailable.

Screenshot & Visual Analysis

Above-the-fold screenshot (1280x800) for every single URL scan, visible in the "Visual" report tab and embedded in the PDF cover page.

SEO JS Impact (Diff)

Static HTML vs rendered DOM comparison: JS-added links, modified meta fields, content growth. Shows the real impact of JavaScript on SEO.

Internal Link Graph (D3.js)

Force-directed graph of internal links using D3.js v7. Color-coded nodes (source, orphans, normal), interactive drag, zoom and pan.

v7.1.0-alpha February 9, 2026

Plans & Payments - Pro Plan

Introduction of the subscription system with Pro plan, Stripe integration, pricing page, subscription management and plan-aware registration flow.

Stripe Integration

Checkout session, webhook for automatic status updates, Stripe customer portal for subscription management and cancellation

Tiered Plans

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)

Revamped Registration

New sign-up page with plan selection (Free, Pro, Enterprise) and direct redirect to Stripe Checkout for the Pro plan

Billing Information

Comprehensive billing details input (for individuals and companies) directly during signup to speed up the checkout process.

v7.0.0-alpha January 19, 2026

REST API v1.0 & API Reference

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.

API Key Management

Create, list and revoke API keys from the Dashboard with granular scopes (read, scan, export)

Async Scans

POST /api/v1/scans with polling via GET /api/v1/scans/{id}. Supports single and sitemap modes

Export API

JSON, CSV and PDF export via GET /api/v1/scans/{id}/export/{format}

API Reference

New page /api-docs with interactive documentation, sticky sidebar and code copy button

v6.1.0-alpha November 28, 2025

WCAG 2.2 Accessibility Analysis

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 Score

WCAG 2.2 Level AA compliance analysis with 0-100 score and conformance level (A, AA, AAA, or Non-compliant)

Image Alt Text

Automatic verification of images without alt attribute (WCAG 1.1.1 Level A)

Heading Hierarchy

H1-H6 heading structure check and hierarchy compliance (WCAG 1.3.1 Level A)

Form Labels

Verification of labels for all form inputs (WCAG 3.3.2 Level A)

Lang Attribute

HTML lang attribute check for correct screen reader pronunciation (WCAG 3.1.1 Level A)

Skip Links

Skip to content links detection for keyboard navigation (WCAG 2.4.1 Level A)

v6.0.0-alpha November 16, 2025

Internationalization & Personal Dashboard

Complete multilingual interface (IT/EN) with personal dashboard to manage your scans.

Multilingual (IT/EN)

Full Italian and English interface with language switcher, all SEO checks and messages translated

Scan History

Personal dashboard with all saved scans, quick access to previous results and detailed information

PDF & Excel Export

Export SEO reports to PDF or Excel format to share with clients or analyze with your tools

Categorized Reports

Results organized by categories with error and warning counters, collapsible sections and informative tooltips

v5.2.0-alpha November 11, 2025

Professional Email System

Automated email notifications with beautiful branded templates for enhanced user experience.

Welcome Email

Professional welcome email sent automatically upon sign up with personalized greeting and quick start guide

Password Reset Email

Secure password reset emails with branded template, security warnings, and 1-hour expiration

Beautiful Design

Gradient headers, PerSeo branding, responsive HTML layout with professional typography

Gmail Integration

SMTP integration via ssmtp for reliable email delivery using existing Gmail configuration

v5.1.0-alpha November 5, 2025

Security Enhancement

Comprehensive input validation and sanitization across the entire platform.

Form Security

All input fields (login, signup, search) now sanitized to prevent XSS and injection attacks

Data Validation

Enhanced server-side validation for email addresses, URLs, and user inputs

v5.0.0-alpha November 2, 2025

Authentication & User Accounts

Complete user authentication system with enhanced features for registered users.

User Registration

Create your free account with email/password or Google Sign-In

Google OAuth

Quick sign-in with your Google account

Export Reports

Download PDF and Excel reports (registered users only)

Increased Limits

10 scans/day for registered users (vs 1/day for guests)

v4.3.0-alpha October 28, 2025

Brand Metrics & Authority Analysis

Advanced brand presence scoring and domain authority indicators.

Brand Presence Score

Automated detection of brand signals (social profiles, contact info, about pages)

Trust Indicators

Analyze domain age, SSL certificates, and security headers

Enhanced Reporting

Visual brand score with actionable recommendations

v4.2.0-alpha October 15, 2025

Core Web Vitals 2025

Updated performance metrics based on Google's 2025 Core Web Vitals standards.

LCP

Largest Contentful Paint - Visual load speed

🖱️
INP

Interaction to Next Paint - Responsiveness

📐
CLS

Cumulative Layout Shift - Visual stability

v4.1.0-alpha October 2, 2025

Security Headers Analysis

Comprehensive security headers scanning and scoring system.

Security Headers

Check for CSP, HSTS, X-Frame-Options, X-Content-Type-Options, and more

Security Score

0-100 scoring system with color-coded results and recommendations

Actionable Insights

Clear explanations and implementation guides for each header

v4.0.0-alpha September 30, 2025

Initial Public Alpha Release

First public version with core web analysis features.

Performance Analysis

Load time, page size, resource optimization

SEO Elements

Title, meta description, headings structure, canonical tags

Link Analysis

Internal/external links, broken link detection

Image Optimization

Alt text analysis, image size recommendations