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Validate JSON syntax and structure with comprehensive error detection, line-by-line parsing, detailed error messages with exact position, JSON Schema validation support, duplicate key detection, and data type verification for API development and data interchange.
Validate XML document well-formedness, check syntax correctness, validate against DTD (Document Type Definition) and XSD (XML Schema Definition), detect mismatched tags, attribute errors, namespace issues, and provide detailed error reporting with line numbers.
Validate YAML syntax with indentation error detection, data type consistency checking (strings, numbers, booleans, arrays, objects), anchor/alias reference validation, duplicate key detection, and structural integrity verification according to YAML 1.1/1.2 specifications.
Validate email address format against RFC 5322 standards, check DNS MX (Mail Exchange) records for domain mail server existence, detect disposable/temporary email providers, verify domain registration, and perform syntax validation for email list cleaning.
Validate phone numbers against international E.164 format, check country code validity (1-3 digits), verify national numbering plans, format numbers with proper spacing/hyphens/parentheses, detect invalid structures, and support 200+ countries with local format rules.
Comprehensive SEO analysis checking meta tags (title, description, keywords), heading hierarchy (H1-H6), keyword density, mobile responsiveness, page speed, image alt attributes, canonical tags, Open Graph tags, structured data, and actionable optimization recommendations.
Analyze website backlink profile with domain authority scores, check link quality and relevance, detect toxic/spammy links, monitor referring domains and IP diversity, track anchor text distribution, compare competitor backlinks, and identify link building opportunities.
Scan websites for broken links (404 errors), validate HTTP status codes (200, 301, 302, 404, 500), check redirect chains and loops, test internal and external links, detect slow-loading resources, and generate comprehensive link health reports with fix suggestions.
Verify SSL/TLS certificate validity and security, check expiration dates and renewal requirements, validate certificate chain and issuer trust, test supported cipher suites and protocols (TLS 1.2, 1.3), check for mixed content issues, and ensure HTTPS best practices.
Query WHOIS database for comprehensive domain registration information including registrar name, registration/expiration dates, name servers (NS records), registrant contact details (if not privacy-protected), domain status, and historical ownership data.
Query DNS records for domains including A (IPv4), AAAA (IPv6), MX (mail servers), TXT (SPF, DKIM, DMARC), CNAME (aliases), NS (name servers), SOA (zone authority), CAA (certificate authority), troubleshoot DNS issues, and verify DNS propagation globally.
Check if network ports are open, closed, or filtered on servers, test firewall rules and port forwarding, verify service availability on specific ports (HTTP:80, HTTPS:443, SSH:22, FTP:21), diagnose connectivity issues, and scan multiple ports simultaneously.
Test specific IP address and port combinations for connectivity, check if services are accessible from your location, verify port accessibility through firewalls, diagnose network configuration problems, measure connection latency, and identify blocked ports.
Look up MAC (Media Access Control) address vendor information, identify network interface card manufacturers from OUI (Organizationally Unique Identifier) database, validate MAC address formats (colon, hyphen, dot notation), and resolve IEEE registration data.
Check color contrast ratios between foreground and background colors for WCAG 2.1 accessibility compliance (Level AA: 4.5:1, Level AAA: 7:1), ensure text readability for users with vision impairments, test normal and large text, and suggest improved accessible color combinations.
Validate HTML code for syntax errors, accessibility issues (WCAG compliance), SEO best practices, semantic HTML structure, missing alt attributes, broken links, deprecated tags, and provide detailed error reports with line numbers and fix suggestions.
Validate JavaScript and TypeScript code for syntax errors, type mismatches, undefined variables, unused imports, and provide detailed error reports with line numbers and AI-powered fix suggestions.
Validate CSS code for syntax errors, invalid properties, browser compatibility issues, deprecated selectors, and provide detailed error reports with line numbers and fix suggestions for modern CSS standards.
Lint code in multiple languages (JavaScript, TypeScript, Python, etc.) with customizable rules, detect syntax errors, code quality issues, potential bugs, unused variables, and provide AI-powered recommendations for code improvements and best practices.
Detect duplicate code blocks across your codebase, identify copy-paste programming patterns, find similar code segments with configurable similarity thresholds, and provide refactoring suggestions to eliminate redundancy and improve code maintainability.
Calculate cyclomatic complexity, cognitive complexity, and other code complexity metrics for functions and methods. Identify overly complex code sections, detect nested conditionals, and provide recommendations for simplifying code to improve maintainability and testability.
Identify unused CSS rules, classes, and selectors in your stylesheets by analyzing HTML content. Detect dead CSS code, find orphaned styles, calculate CSS coverage, and provide removal recommendations to reduce stylesheet size and improve page load performance.
Validate code syntax and structure for multiple programming languages (JavaScript, Python, Java, C++, etc.). Detect syntax errors, missing brackets, invalid operators, type mismatches, and provide detailed error messages with line numbers and fix suggestions.
Validate SQL query syntax for multiple database systems (MySQL, PostgreSQL, SQL Server, etc.). Detect syntax errors, missing keywords, invalid table/column references, typos in SQL commands, and provide detailed error messages with suggestions for fixing SQL queries.
Validate Markdown syntax for errors, check link references, verify image paths, detect malformed tables, validate code block formatting, and ensure Markdown follows standard specifications (CommonMark, GitHub Flavored Markdown) for proper rendering.
Validate International Bank Account Numbers (IBAN) for format correctness, check digit verification, country code validation, length validation per country standards, and provide detailed validation results with bank information and formatting suggestions.
Validate domain names for syntax correctness, DNS record existence, domain availability, TLD (Top Level Domain) validity, subdomain validation, and provide detailed domain information including registration status and DNS configuration.
Validate email addresses for format correctness against RFC 5322 standards, check DNS MX records for domain mail server existence, detect disposable/temporary email providers, verify domain registration, and perform syntax validation with detailed error reporting.
Validate phone numbers for format correctness, country code validation, number length verification per country standards, detect phone number types (mobile, landline, toll-free), and provide formatted output with country information and validation details.
Validate credit card numbers using Luhn algorithm, detect card type (Visa, Mastercard, Amex, Discover), verify card number length, check BIN (Bank Identification Number), and provide validation results with card brand information and security insights.
Validate XML documents against XSD (XML Schema Definition) schemas, check schema syntax, verify element and attribute constraints, validate data types, check namespace declarations, and provide detailed error reports with line numbers and fix suggestions.
Validate JSON documents against JSON Schema specifications, check schema syntax, verify property constraints, validate data types, check required fields, validate array items and object properties, and provide detailed error reports with JSONPath locations.
Validate Helm chart structure, check Chart.yaml syntax, verify values.yaml format, validate template syntax, check Kubernetes resource definitions, detect common Helm errors, and provide detailed validation reports for Kubernetes deployments.
Validate Kubernetes YAML manifests for syntax correctness, verify resource definitions (Pods, Services, Deployments), check API version compatibility, validate resource schemas, detect common Kubernetes configuration errors, and provide detailed validation reports.
Validate Docker Compose YAML files for syntax correctness, verify service definitions, check volume and network configurations, validate environment variables, detect version compatibility issues, and provide detailed error reports for Docker Compose deployments.
Validate Dockerfile syntax, check Docker best practices, verify instruction order, detect security issues, validate base image references, check layer optimization, and provide detailed validation reports with recommendations for improved Docker images.