SEO Tools
Analyze and optimize your content for search engines. Preview SERP listings, check readability, extract headings, generate sitemaps, and validate structured data.
SERP Preview
Preview how your page appears in Google search results
OG Tag Debugger
Parse and validate Open Graph meta tags from HTML
Heading Analyzer
Extract and analyze HTML heading structure for SEO
Keyword Density Analyzer
Analyze keyword frequency and distribution in your content
Readability Score
Calculate readability scores using five proven formulas
XML Sitemap Generator
Generate valid XML sitemaps from a list of URLs
Schema.org Generator
Generate JSON-LD structured data for rich search results
Link Extractor
Extract and categorize all links from HTML content
Canonical Tag Checker
Find and validate canonical URL tags in HTML
Robots.txt Analyzer
Parse and test robots.txt rules against URLs
Structured Data Validator
Validate JSON-LD structured data syntax and Schema.org types
Word Count & SEO Grade
Analyze content length with SEO-optimized word count metrics
Meta Length Checker
Check meta title & description lengths against Google's display limits
URL Slug Generator
Generate SEO-friendly URL slugs from page titles
Keyword Density Analyzer
Analyze keyword frequency and density across your content
Learn SEO Tools
Key concepts and practical guides to level up your workflow.
📖 Thuật ngữ
A text description of an image for accessibility and SEO, displayed when the image cannot …
The visible clickable text of a hyperlink, providing context to search engines about the linked …
An HTML element specifying the preferred version of a page when duplicate or similar content …
A broad change to Google's ranking algorithm affecting search results globally, often shifting traffic significantly.
The number of pages a search engine will crawl on a site within a given …
Substantially identical content appearing at multiple URLs, which can dilute search rankings and cause indexing …
Implementing SEO changes at the CDN or edge layer (e.g. Cloudflare Workers) without modifying the …
An HTTP status code permanently redirecting one URL to another, transferring most link equity to …
📘 Hướng dẫn
Meta tags control how your pages appear in search results and social media shares. This guide covers the essential meta tags for SEO, Open Graph …
Optimize images for search engine visibility and faster page loads. Learn about alt text, file naming, compression, responsive images, lazy loading, and structured data for …
Structured data helps search engines understand your content and can generate rich results like star ratings, FAQs, and product cards. Learn how to implement Schema.org …
Photos contain hidden metadata including GPS coordinates, device info, and timestamps. Before sharing photos online, learn how to remove this data to protect your privacy …
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15 specialized sites — one easy-peasy family.