🔍 Free SEO Content Toolkit — Analyze, Schema & AI Writer
Paste any content for instant E-E-A-T scoring, LLM Visibility score, readability, keyword density, trust audit, passage indexing, and heading structure — all free, no API key. Generate schema markup (6 types), live SERP preview, meta tags, hreflang, PAA questions, LSI keywords, and topic cluster maps. Optionally write new content with 4 AI providers. Your content never leaves your browser.
Paste your content → get instant E-E-A-T score (0–100), LLM Visibility score (0–100 for ChatGPT/Perplexity/Gemini citation probability), Flesch-Kincaid readability grade, keyword density, heading structure tree, passage indexing check, 8-signal trust audit, and hedge language detection. Then generate JSON-LD schema markup, a live SERP preview, Open Graph tags, hreflang tags, 15 PAA questions, 30+ LSI keywords, H2 suggestions, and a topic cluster map — all free. Optionally use the AI writing tab to generate full drafts with Anthropic Claude, OpenAI GPT, Google Gemini, or Groq.
Free SEO Content Toolkit
Enter keyword above · Paste content to analyze · All analysis is instant and free
Paste content above to see heading structure extracted automatically.
Paste content with ## H2 headings to check passage indexing (150–400 words per section).
Paste content above to run the 8-signal trust audit.
Paste content above to detect hedge words that reduce LLM citation probability.
Enter a keyword above first.
Enter a keyword above first.
Enter a keyword above first.
Enter a keyword above first.
Enter a keyword above first.
Enter a keyword above first.
Enter a keyword above first.
Enter a keyword above first.
Saved only in your browser localStorage · Never sent to A1omads
No calendar entries yet.
No saved drafts yet. Click "Save Draft" in the export section.
How to Use the Free SEO Content Toolkit
Enter Your Keyword
Type your target keyword in the search bar at the top of the tool. The tool auto-classifies search intent (Informational, Commercial, Transactional, Navigational) and adjusts recommendations accordingly.
Analyze Content (Free)
Paste any existing content in the Analyze tab — blog posts, articles, landing pages. Instantly get E-E-A-T score (0–100), LLM Visibility score, readability grade, keyword density, trust audit, passage indexing check, and hedge word detection. No API key.
Generate Schema & Meta (Free)
Go to the Meta & Schema tab. Fill page details or click Auto-Fill from Keyword. Get a live SERP preview, JSON-LD schema (6 types), Open Graph tags, hreflang tags, and robots meta — all free, copy with one click.
Build Your Brief (Free)
The SEO Brief tab generates H2 structure suggestions, 15 PAA questions, 30+ LSI semantic keywords, a topic cluster map, content upgrade ideas, and a featured snippet guide — all template-based, no API key needed.
AI Writing (Optional)
Optionally use the AI Writer tab with Anthropic Claude, OpenAI GPT, Google Gemini, or Groq (free tier). Generate full drafts or briefs, then click "Send to Analyze" to score the AI output immediately.
Export & Schedule
Export as Plain Text, Markdown with YAML frontmatter, HTML with schema, or WordPress Gutenberg blocks. Save drafts to browser history, add to the content calendar, and set a freshness reminder.
40+ Features — Free vs Optional AI
Every feature that works free is marked. AI features require your own API key from any of 4 providers.
Most free SEO tools offer one function — a readability checker or a schema generator. This toolkit combines 40+ features across content analysis, meta generation, schema markup, content briefs, and optional AI writing in a single browser-based tool. The E-E-A-T scorer and LLM Visibility score are unique — they analyze content for signals that affect both Google rankings and AI search engine citation probability simultaneously.
| Feature | What It Does | Free? |
|---|---|---|
| 📊 E-E-A-T Score (0–100) | Scores Experience, Expertise, Authoritativeness, Trust in real time from pasted content | ✅ Free |
| 🤖 LLM Visibility Score | Predicts citation probability by ChatGPT, Perplexity, Claude, Gemini — 5 dimensions, 0–100 | ✅ Free |
| 📖 Readability Grade | Flesch-Kincaid grade level with improvement tips (Grade 6–8 = excellent for web) | ✅ Free |
| 🔎 Keyword Density | Counts keyword occurrences and percentage — flags over-optimization (>2.5%) and under-use (<0.5%) | ✅ Free |
| 🏗 Heading Structure | Extracts H1/H2/H3 hierarchy from content with visual tree display | ✅ Free |
| 📑 Passage Indexing Checker | Checks each H2 section is 150–400 words with a direct answer opening for Google Passage Indexing | ✅ Free |
| 🔐 Trust Signal Audit | Checks 8 trust signals: publication date, author, statistics, first-hand experience, source attribution, expert voice, freshness, no hedge language | ✅ Free |
| ✂️ Hedge Word Detection | Identifies speculative language (might, could, perhaps) that reduces E-E-A-T Trust and LLM visibility | ✅ Free |
| 🖥 Live SERP Preview | Real-time Google-style SERP preview updates as you type title and description — with character count warnings | ✅ Free |
| 🏷 Schema Generator (6 Types) | Article, HowTo, FAQPage, LocalBusiness, Product, BreadcrumbList — complete JSON-LD ready to paste | ✅ Free |
| 📤 Open Graph + Twitter Card | Complete OG and Twitter Card meta tags with og:image ready for social sharing | ✅ Free |
| 🌍 Hreflang Generator | Generates hreflang tag set for 8 languages with x-default — paste into your head element | ✅ Free |
| ❓ PAA Question Generator (15) | Generates 15 People Also Ask style questions with answer templates for any keyword | ✅ Free |
| 🔤 LSI Keyword Generator (30+) | Generates 30+ semantic and LSI keyword variants — click any to copy to clipboard | ✅ Free |
| 🗺 Topic Cluster Map | Generates 1 pillar page + 8 cluster page suggestions with titles for topical authority building | ✅ Free |
| ✍️ AI Draft Generator | Generates full SEO drafts or content briefs using 4 AI providers with your own API key | 🔑 API key |
| 🤖 AI Provider Choice (4) | Anthropic Claude, OpenAI GPT, Google Gemini, or Groq Llama — Groq has a free tier | 🔑 API key |
| 📤 Export (5 Formats) | Plain text, Markdown + YAML frontmatter, HTML + Schema, WordPress Gutenberg, Clipboard | ✅ Free |
Common Questions About SEO Content Analysis
Every answer written to be read aloud by voice assistants and cited by Google AI Overviews — direct, complete, factual sentences. Also in FAQPage JSON-LD schema above.
What is E-E-A-T scoring and how do I improve it?
E-E-A-T stands for Experience, Expertise, Authoritativeness, and Trustworthiness — Google's framework for evaluating content quality since the 2022 helpful content update. Experience is scored by detecting first-person language like "In our testing we found" and "We evaluated." Expertise is scored by detecting statistics, percentages, and research citations. Authoritativeness is scored by detecting source attribution language and author credentials. Trustworthiness is scored by the absence of hedge words and presence of publication dates and factual signals. The A1omads toolkit scores all four dimensions instantly when you paste your content.
What is LLM Visibility Score and why does it matter?
LLM Visibility Score predicts how likely your content is to be cited by large language models including ChatGPT, Perplexity, Claude, and Gemini when users ask questions related to your topic. It scores five factors: direct answer density after headings (how often you answer the section's implied question immediately), semantic entity density (richness of proper nouns and specific concepts), factual density (numbers, percentages, specific claims), structural clarity (heading hierarchy), and hedge-free language (absence of speculative words). A score above 70 out of 100 indicates content with high AI citation probability.
How do I generate free JSON-LD schema markup for my website?
Go to the Meta and Schema tab. Fill in your page title, description, URL slug, author name, and publish date. Choose a schema type from the six available — Article for blog posts, HowTo for guides, FAQPage for Q&A pages, LocalBusiness for local SEO, Product for e-commerce, or BreadcrumbList for site navigation. Click Generate JSON-LD Schema to produce complete structured data. Copy the code block and paste it into your page head element wrapped in a script tag with type application/ld+json.
What are passage indexing and how do I check it?
Google Passage Indexing allows individual sections of a long page to rank independently for specific queries. For a section to be indexed as a passage, it should be 150 to 400 words, open with a direct answer sentence that addresses the section heading's implied question, and be self-contained so it makes sense without surrounding paragraphs. The Passages tab in the Analyze panel checks every H2 section in your content and reports whether it passes, is too short, is too long, or is missing a direct answer opening. Add ## before your H2 headings for the checker to detect them.
Why do hedge words reduce SEO performance?
Hedge words are speculative phrases like might, could, perhaps, possibly, seems to, appears to, and arguably. They reduce E-E-A-T Trust signals because Google's quality raters look for authoritative, confident content backed by evidence. They also reduce LLM Visibility because AI search engines like Perplexity and Google AI Overviews prefer direct declarative sentences they can extract as confident answers. Replacing hedged claims with direct factual statements significantly improves both scores. The Hedge Words sub-tab in the Analyze panel detects all hedge language in your content and suggests replacements.
Is my content uploaded to any server when I use this tool?
No. All content analysis — E-E-A-T scoring, LLM Visibility, readability, keyword density, trust audit, passage indexing, hedge detection, schema generation, SERP preview, PAA generation, LSI keywords, topic cluster map, meta tags, hreflang, and export — runs entirely in your web browser using client-side JavaScript. Nothing is sent to any server. Draft history and calendar entries are saved only to your browser's localStorage on your device. If you use the optional AI writing features, your content prompt goes directly to your chosen AI provider API using your own key — it does not pass through A1omads.
What is a topic cluster and how does the map generator work?
A topic cluster is a content architecture strategy where one comprehensive pillar page targets a broad keyword, and multiple supporting cluster pages target related long-tail subtopics — all linking back to the pillar. This structure signals topical authority to Google, which significantly improves rankings for the entire keyword group. The Topic Cluster Map generator in the SEO Brief tab takes your keyword and generates one pillar page suggestion plus eight cluster page titles covering adjacent subtopics. Use these as your content production roadmap for the next 3 to 6 months.
Do I need an API key to use this SEO toolkit?
No. The analysis, meta generation, schema markup, SERP preview, PAA questions, LSI keywords, topic cluster map, H2 structure suggestions, export formats, content calendar, and draft history are all completely free with no API key needed. The optional AI Writer tab supports four providers — Anthropic Claude, OpenAI GPT-4o-mini, Google Gemini 1.5 Flash, and Groq Llama which has a free tier — if you want AI-generated drafts. All providers are called directly from your browser using your own API key, so you only pay for what you use.
SEO Content Analysis Guide — E-E-A-T, LLM Visibility & AI Search 2026
Why E-E-A-T and LLM Visibility require different optimization strategies
E-E-A-T optimization targets Google's human quality rater guidelines — it rewards content that demonstrates genuine experience, verifiable expertise, credible authorship, and factual trustworthiness. LLM Visibility optimization targets AI systems' extraction behavior — it rewards direct declarative answers, factual density, entity richness, structural clarity, and zero hedge language. These two frameworks overlap significantly in the Trust dimension (both penalize hedge language and reward dates and citations) but diverge in how they reward structure: Google's E-E-A-T rewards comprehensive coverage, while AI search rewards self-contained, extractable answer blocks after each heading.
How to use keyword density without over-optimizing
Keyword density between 0.5% and 2.5% is generally considered safe for most topics. Below 0.5% and the keyword may not register as the page's primary topic. Above 2.5% risks over-optimization penalties, particularly for competitive head keywords. The optimal range for informational content is 0.8% to 1.5%. For local SEO content, the location modifier should appear independently at 0.3%–0.8% in addition to the primary keyword density. Use the keyword density checker in the Analyze tab after pasting your content — it counts all instances including partial matches and reports the exact percentage.
Schema markup — which type to use and when
Article / BlogPosting is the default for any standard blog post, guide, or news article — it adds author, date, and headline signals that strengthen E-E-A-T in structured data. HowTo is for any step-by-step guide — it unlocks the How-To rich result in Google SERPs. FAQPage is for any page with question-and-answer content — it unlocks the FAQ accordion in SERPs and is strongly preferred by Google AI Overviews. LocalBusiness is required for any local SEO page — it provides name, address, and service area signals for local pack rankings. BreadcrumbList improves site navigation display in SERPs and provides context hierarchy for AI indexing.
SEO Content Toolkit FAQ
All answers written for voice search and Google AI Overviews. FAQPage schema is in the page head above.
How does the tool calculate Flesch-Kincaid readability grade?
The tool uses the standard Flesch-Kincaid Grade Level formula: 0.39 × (words/sentences) + 11.8 × (syllables/words) − 15.59. Syllables are counted using a pattern-matching algorithm that is approximately 95% accurate for English. Grade 6–8 is excellent for general web content. Grade 10–12 is appropriate for B2B and professional audiences. Grade 13 or above is typically too complex for most web readers. For non-English content the score is calculated but should be used as a relative guide rather than an absolute benchmark.
What is a content calendar and how do I use the one in this tool?
The content calendar in the Export tab lets you assign a publish date and funnel stage to each piece of content. Enter a title, select a date, and choose a funnel stage — Awareness, Consideration, or Decision. Click Add to create a calendar card. Cards are sorted by date automatically and stored in your browser localStorage. Use the calendar to plan your content production schedule, balance funnel stage coverage, and track which topics are scheduled versus published. All calendar data stays in your browser.
What does the Markdown export format include?
The Markdown export includes a YAML frontmatter block at the top with title, slug, publish date, author name, target keyword, and content type — compatible with Gatsby, Hugo, Next.js, Astro, Jekyll, Eleventy, and Obsidian. The content body follows with standard Markdown headings (## for H2, ### for H3), bold text preserved, and internal link placeholders kept intact. This format is ideal for developers using static site generators or Markdown-based CMS platforms.
How does the Auto-Fill Meta feature work?
Click Auto-Fill from Keyword in the Meta and Schema tab. The tool takes your keyword from the keyword bar and your selected content type (Blog, How-To, FAQ, Landing Page, Comparison, or Local SEO) and generates a template meta title optimized to 50–60 characters and a meta description optimized to 130–160 characters. Local SEO type pulls in your business city if entered. The slug is automatically generated from the keyword in URL-safe format. You can edit all fields after auto-fill.
Can I use Groq Llama for free AI writing?
Yes. Groq offers a free tier at console.groq.com — sign up, create an API key, and paste it into the AI Writer tab. Select Groq as your provider. The tool uses the llama-3.1-8b-instant model which is fast and capable for most SEO content generation tasks. The free tier has rate limits but is sufficient for generating blog posts, briefs, and outlines. Groq is the fastest of the four providers available in this tool due to their hardware inference acceleration.