SEO- & Webmaster-Tools
Kostenlose Online-SEO-Tools: Meta-Tag-Analysator, Sitemap-Generator, Robots.txt-Tester und Weiterleitungsprüfung.
Meta Tag Analyzer
Inspect title, description, robots directives, canonical tags, and Open Graph previews.
SEO Analyzer
Audit on-page SEO factors including headings, image alt attributes, canonicals, and links.
XML Sitemap Generator
Generate standard XML sitemaps with priority, frequency, and lastmod timestamps.
Robots.txt Generator
Create standard robots.txt files with Allow/Disallow rules and sitemap definitions.
Robots.txt Tester
Test robots.txt directives against specific user-agents and URL paths compliant with RFC 9309.
Canonical Tag Checker
Verify rel='canonical' tags, check self-referencing status, and prevent duplicate content.
Redirect Checker
Trace HTTP redirect chains (301, 302, 307, 308) up to 5 hops with SSRF safety.
HTTP Status Code Checker
Inspect HTTP response codes (200, 301, 404, 500), server headers, and TTFB latency.
Broken Link Checker
Extract and inspect all links from HTML, identifying empty hrefs and missing security attributes.
URL Structure Analyzer
Analyze URL length, directory segments, parameters, case sensitivity, and hyphens.
Open Graph Checker
Extract and preview Open Graph metadata (og:title, og:image, og:description) for Facebook and LinkedIn.
Twitter Card Checker
Validate twitter:card types, titles, descriptions, and media tags for X / Twitter feeds.
Schema Markup Generator
Generate JSON-LD structured data for Articles, FAQs, Products, and Organizations.
JSON-LD Validator & Formatter
Validate and format JSON-LD schema scripts against official schema.org specifications.
Heading Structure Analyzer
Analyze H1-H6 heading hierarchy, detect missing H1 tags, and visualize outlines.
Keyword Density Analyzer
Calculate 1-word, 2-word, and 3-word n-gram frequency and density without stop words.
Page Title Checker
Analyze title character and pixel width with desktop and mobile Google SERP simulation.
Meta Description Checker
Analyze description character count, pixel cutoff, and call-to-action indicators.
Webpage Preview & Header Inspector
Inspect live webpage HTTP headers, metadata, OpenGraph tags, and security settings safely.
Meta Title & Description Optimizer
Generate high-CTR, SEO-optimized title tags and meta descriptions.
FAQ Generator & Schema Builder
Generate structured FAQ pairs with ready-to-use JSON-LD schema.
SEO Keyword Extractor
Extract 1-gram and 2-gram keywords, search intent, and suggested queries.