SEO Utilities & Diagnostics

Free Website SEO Tools

A comprehensive suite of targeted diagnostic utilities to test meta tags, validate sitemaps, audit headings, and catch technical errors on any URL.

NEW

Duplicate Content Checker

Sentence-by-sentence originality analysis, text fingerprinting, and global source matching.

Open Tool β†’
POPULAR

UptimeGuard β€” Website Monitoring

24/7 uptime monitoring, server latency tracking in ms, SSL expiration radar, and outage alerts.

Open Tool β†’

Meta Tag Checker

Analyze page titles, meta descriptions, Open Graph protocol, and Twitter card preview snippets.

Open Tool β†’

Robots.txt Checker

Inspect robots.txt directives, user-agent rules, crawl delays, and XML sitemap references.

Open Tool β†’

Sitemap Checker

Validate XML sitemap syntax, count indexed URLs, and detect sitemap index configurations.

Open Tool β†’

Broken Link Checker

Scan internal and external hyperlinks to locate dead 404 targets, timeouts, and broken anchors.

Open Tool β†’
H

Heading Checker

Visualize the semantic hierarchy of H1, H2, H3 headings and flag missing or multiple H1 tags.

Open Tool β†’

Image Alt Checker

Audit image accessibility, missing alt attributes, explicit layout dimensions, and next-gen WebP adoption.

Open Tool β†’
SYNTAX & RICH AUDITOR

Schema Markup & Rich Results Validator

Audit live URLs or raw JSON-LD & Microdata code. Catch syntax errors, missing required properties, and test Google Rich Snippets eligibility.

URL & Code Lint Syntax Audit Rich Results
Run Schema Audit →

Redirect Checker

Trace 301, 302, and 307 redirect chains, identify infinite loops, and verify the final HTTP status.

Open Tool β†’

Canonical Checker

Verify canonical tags, detect cross-domain conflicts, and prevent duplicate content dilution.

Open Tool β†’
PRO FEATURE

SERP Snippet & Sitelink Planner

Pixel-accurate Desktop & Mobile Google SERP preview, pixel-width truncation radar, and visual sitelinks architect.

Launch Planner →
INTERACTIVE BUILDER

JSON-LD Schema Markup Generator

Interactive visual builder to generate production-ready Google JSON-LD markup for Articles, FAQs, Local Businesses, Breadcrumbs, Products & Organizations.

Visual Builder 1-Click JSON-LD Schema.org Valid
Launch Schema Builder →

Keyword Density Checker

Calculate word frequency, analyze keyword density percentages, and detect over-optimization risks.

Open Tool β†’
NEW

Toxic Link Scanner & DA/PA

Audit Domain Authority, Page Authority, spam score distribution, and toxic backlink patterns via third-party database heuristics.

Open Tool β†’
NEW

Link Equity & Orphan Page Mapper

DOM-based link crawler mapping internal PageRank equity flow and explicitly flagging orphan pages with 0 inbound links.

Open Tool β†’
NEW

International SEO & Hreflang Validator

Audit rel="alternate" hreflang tags, validate ISO codes, and verify reciprocal return-tag links across international editions.

Open Tool β†’
NEW

Semantic Entity & Topical Gap Extractor

NLP entity extraction engine analyzing salience, LSI keyword clusters, and missing subtopics against top-ranking SERP competitors.

Open Tool β†’
NEW

JavaScript Rendering Diagnostic

Dual-pass crawler (Raw HTML vs Headless Rendered DOM) detecting hidden client-side links, dynamic meta drift, and hydration disparity.

Open Tool β†’