Generate and analyze meta tags, OpenGraph, Schema.org JSON-LD, sitemaps, robots.txt, and keyword density.
Generate standard HTML meta tags, title, description, canonical, and robots tags.
Generate og:title, og:description, og:image, and Open Graph tags for Facebook, LinkedIn, and Discord.
Generate summary and summary_large_image Twitter card meta tags for X/Twitter sharing.
Generate JSON-LD structured data for Article, Organization, Product, FAQ, Recipe, and LocalBusiness.
Construct valid JSON-LD script blocks for Google Rich Results.
Generate rel="canonical" and rel="alternate" language tags to prevent duplicate content.
Generate standard robots.txt files with crawler user-agent rules and sitemap URL.
Generate clean XML sitemap index and URL entries with priority, changefreq, and lastmod.
Analyze HTML heading structures to ensure proper single H1 and sequential nesting.
Generate descriptive, accessible, and SEO-friendly image alt text based on context.
Calculate keyword density percentages and target 1-3% SEO focus ranges.
Run on-page SEO checks for title length, description length, headings, and readability.
Optimize SEO title tag length (50-60 chars) and preview Google SERP display.
Optimize meta description length (150-160 chars) and preview search snippet appearance.
Extract and classify all href links in HTML as internal, external, or nofollow.
Analyze content readability to improve user engagement and search ranking.
Validate semantic H1 -> H2 -> H3 hierarchy and detect skipped heading levels.
Validate Schema.org JSON-LD scripts for required @context, @type, and syntax validity.
Generate long-tail keyword ideas and search question templates (What, How, Why, Best).
Generate structured article outlines with H2 and H3 headings optimized for search intent.
What Are Meta Tags? A Plain-English Introduction
What are meta tags, in plain English: where they live in your HTML head, what each one actually does, and which ones are safe to ignore entirely.
Twitter Cards vs Open Graph: Do You Need Both?
Twitter Cards vs Open Graph: X falls back to og: tags automatically, so you usually only need twitter:card. Here is exactly when overrides earn their place.
Title Tag Length: How Long Before Google Truncates?
Title tag length explained: the real limit is about 580 pixels, not 60 characters. Where Google truncates, why it rewrites titles, and how to check yours.
Open Graph Tags: The Five You Actually Need
Open Graph tags decide how your links look on social. The five og: tags that matter, correct og image size, and the mistakes that break previews.
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