SEO Validator
Audit webpage layouts, schema structured data, indexing tags, and crawl headers against Google's official Search Starter Guidelines.
Webpage HTML Source
Google Search Starter Guide Audit
Audit Parameters Checks
Google Search Central Rules DB
Browse official recommendations mapped to Search Central URLs and requirements severity.
| Rule ID | Name | Category | Importance | Google Documentation URL |
|---|
Normalized SQL Database Schema Design
Relational database tables designed to store rules, checks, reports, and historic audit trends.
CREATE TABLE categories (
id INT PRIMARY KEY AUTO_INCREMENT,
name VARCHAR(50) NOT NULL,
description TEXT
);
CREATE TABLE rules (
rule_id VARCHAR(30) PRIMARY KEY,
name VARCHAR(100) NOT NULL,
category_id INT FOREIGN KEY REFERENCES categories(id),
severity VARCHAR(15) CHECK (severity IN ('CRITICAL', 'WARNING', 'INFO')),
docs_url VARCHAR(255) NOT NULL,
expected_result TEXT,
correction_guide TEXT
);
CREATE TABLE audits (
id INT PRIMARY KEY AUTO_INCREMENT,
url VARCHAR(255),
html_payload TEXT,
score_percentage INT,
run_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
);
CREATE TABLE audit_results (
audit_id INT FOREIGN KEY REFERENCES audits(id),
rule_id VARCHAR(30) FOREIGN KEY REFERENCES rules(rule_id),
status VARCHAR(10) CHECK (status IN ('PASS', 'WARN', 'FAIL')),
actual_found TEXT,
PRIMARY KEY (audit_id, rule_id)
);
Backend REST API Specification
Copyable endpoints mapping audits and structured data validations.
| HTTP Method | Endpoint | Payload Description |
|---|---|---|
POST |
/api/v1/audit |
Inbound page HTML payload or URL parameter to parse and return scores, check tallies, and suggestions. |
GET |
/api/v1/report/{audit_id} |
Fetches the historic audit validation results by ID. |
POST |
/api/v1/validate-schema |
Audits JSON-LD blocks directly against Schema.org types and Google Rich Results guidelines. |
GET |
/api/v1/rules |
Returns the global database list of Google Search Central official rules. |
Google Search Console & Lighthouse Mappings
Mapping validation points to equivalent Search Console reports and testing suites.
| Audit Area | GSC Report Section | Equivalent External Tester Tool |
|---|---|---|
| Crawling & Robots | Settings -> Crawl Stats / Page indexing | Robots.txt Tester Tool |
| Indexability Status | Page indexing (Coverage) | URL Inspection Tool API |
| Structured Data | Enhancements (e.g. Products, FAQs, Review snippets) | Google Rich Results Test Tool |
| Page Performance | Core Web Vitals (LCP, FID, CLS) | PageSpeed Insights / Lighthouse |
Technical Overview & How It Works
Definition & Core Concept
SEO Validator is a high-performance utility designed to handle validate on-page seo metadata, open graph tags, twitter cards, and heading structures for any web url. direct real-time serp snippet preview and audit report.. It operates fully client-side to ensure zero latency and maximum data privacy. Standard applications for this utility include developer workflows, rapid prototyping, content production, and everyday utility calculations where speed and accuracy are paramount.
Best Practices & Optimization Tips
To get the most out of this online utility, follow these standard practices: First, ensure that your input data is free of stray control characters or formatting anomalies. Second, use the built-in "Load Demo" buttons to inspect standard inputs and preview correct formatting structures. Lastly, leverage keyboard shortcuts (like Ctrl+A and Ctrl+C) to quickly copy the processed output results without manual cursor dragging. This ensures a streamlined and error-free workflow for all your development and calculation tasks.
Key Features & Privacy Benchmarks
- 100% Client-Side Processing: All computations execute locally in your web browser with 0 ms server delay, ensuring instant feedback and responsiveness.
- Data Security: No inputs are transmitted to external servers, stored on, or logged in database records, guaranteeing complete privacy for sensitive information.
- Standards Compliance: Conforms strictly to web standards and client-side execution parameters.