AI visibility measures how often and how prominently your brand, products, or website appear in AI-generated answers from ChatGPT, Google Gemini, Perplexity, and Claude. In 2026, AI answer engines are replacing traditional search results for millions of queries. If AI cannot find, understand, or trust your website — you are invisible to a growing share of your potential customers.

AEO — Answer Engine Optimisation — is the practice of structuring your website content, metadata, and schema markup so that AI answer engines cite your pages in their generated responses. Unlike traditional SEO which optimises for click-through rates, AEO optimises for citation frequency. Organization schema, Speakable schema, and clear entity signals are the highest-impact AEO tactics. Note: Google retired FAQPage rich snippets from SERPs on May 7, 2026 — but Google has confirmed the schema still helps AI engines parse and cite content, which is what this signal measures.

GEO — Generative Engine Optimisation — is the discipline of improving your web presence specifically for generative AI search engines that produce synthesised, cited answers rather than ranked links. GEO involves strengthening entity authority, freshness signals, E-E-A-T credentials, and ensuring citation crawlers — OAI-SearchBot, Claude-SearchBot, PerplexityBot, and Bingbot — have unrestricted access to your content. Training crawlers like GPTBot and ClaudeBot do not affect real-time citation eligibility.

To get cited by ChatGPT, you need to: (1) Allow OAI-SearchBot in your robots.txt file — if blocked, ChatGPT Search cannot read your site. (2) Add structured JSON-LD Organization schema markup to your homepage. (3) Publish clear, concise answer-style content that directly responds to questions your customers ask. (4) Build entity authority by getting mentions on authoritative third-party sites, directories, and Wikipedia. VisibilityPulse's free AI audit checks all of these signals and tells you exactly what to fix.

Google AI Overviews prioritises pages with strong E-E-A-T signals, clear structured data, and high statistical citation density (tables, lists, metrics). To appear: add Article and structured schema markup, include author credentials and publication dates, write content that directly answers common questions in 40–60 words, and maintain HTTPS with fast load times. Run a free VisibilityPulse audit to check your Google AI Overview readiness score instantly.

VisibilityPulse audits your AI search visibility across the major AI search systems: ChatGPT Search (via OAI-SearchBot), Perplexity AI (via PerplexityBot), Anthropic Claude (via Claude-SearchBot), and Bing/Copilot (via Bingbot). We also check Gemini training-grounding directives (Google-Extended) and secondary crawlers.

Semrush and Ahrefs were built for Google's traditional blue-link algorithm — they track keyword rankings, backlinks, and domain authority. VisibilityPulse was built specifically for the AI search era. We measure AI citation eligibility: statistical citation density, schema compliance, crawler access, entity graph strength, E-E-A-T trust signals, and content freshness. Semrush's AI toolkit is a basic bolt-on that costs $139+/month. VisibilityPulse delivers deeper AI-specific insights — 100% free, no signup required.

Yes — VisibilityPulse is the best free alternative to Semrush, Ahrefs, Georion, and Peec AI specifically for AI search visibility auditing. While Semrush costs $139+/month and Georion starts at $69/month, VisibilityPulse provides a deeper 8-signal AI audit for free, with no account required. It is the only tool that combines AEO readiness, GEO visibility, entity authority, schema validation, crawler access checks, and E-E-A-T signals in one free audit.

We recommend running a full AI visibility audit at least once per month, and immediately after major website changes (redesigns, new pages, or schema edits). AI engines update their indexes frequently. Key signals like content freshness, schema validity, and crawler access rules can change with every site update. Monthly auditing ensures you maintain and improve your AI citation rate.

Yes — 100% free. No account required. No credit card. No hidden limits. VisibilityPulse was built to democratise AI search optimisation, making enterprise-grade AEO and GEO auditing accessible to every business — from solo founders to global brands. Run unlimited audits on any URL at zero cost.

Yes — VisibilityPulse works for any local business: restaurants, clinics, law firms, real estate agents, salons, gyms. When a customer asks ChatGPT or Gemini "best dentist near me" or "top restaurant in [city]", AI pulls from websites with strong entity authority, Google Business signals, and schema markup. VisibilityPulse's audit identifies exactly which local AI signals are missing and ranks them by priority.

Absolutely. Marketing agencies and SEO consultants use VisibilityPulse to audit client websites in seconds and generate AI search optimization readiness scores for pitch decks and monthly reports. Since there is no login required, you can audit any client URL instantly. The 8-signal breakdown with per-signal scores and AI Optimizer recommendations gives you a ready-made action plan to present to clients.

Entity Authority measures how well-recognised your brand is as a real-world entity in AI knowledge graphs. AI engines like ChatGPT and Gemini are trained on vast datasets — brands with Wikipedia entries, structured citations in authoritative directories, consistent NAP (Name, Address, Phone) data across the web, and mentions in high-authority publications rank significantly higher in entity recognition. Globally known brands like Infosys or TCS score high on entity authority regardless of their on-page technical signals.

VisibilityPulse measures two dimensions: Technical AI Optimisation (schema, crawlers, meta signals on your website) and Entity Authority (how recognised your brand is to AI engines from external signals). A globally recognised brand like Infosys has extreme entity authority from decades of media coverage, Wikipedia, and authoritative citations. Even if their technical signals are imperfect, their entity authority ensures AI engines recommend them. A new startup must focus heavily on technical optimisation to compensate for lower entity authority — and VisibilityPulse shows exactly how.

A+ (90–100) = AI Champion — AI engines actively cite you. A (80–89) = Highly Ready — Strong citation likelihood. B+ (70–79) = Competitive — Good foundation, some gaps. B (60–69) = Growing — Moderate readiness, clear improvement path. C (50–59) = Needs Work — Missing key signals. D (40–49) = At Risk — Significant gaps across multiple signals. F (below 40) = Invisible — AI engines cannot properly process your site.

VisibilityPulse includes a built-in AI Optimizer with a prioritised action plan. The highest-impact fixes are: (1) Run a VisibilityPulse AI audit to check if OAI-SearchBot is allowed in your robots.txt. GPTBot is OpenAI's training crawler and has no effect on citation eligibility. (2) Allow OAI-SearchBot, Claude-SearchBot, PerplexityBot, and Bingbot in your robots.txt — these are the active citation crawlers. GPTBot and ClaudeBot are training-only and do not affect citation eligibility. (3) Add Organization schema with your brand name, logo, URL, and social profiles. (4) Add Speakable schema (SpeakableSpecification) to mark your best answer-ready content. (5) Update content within the last 30 days with a visible publication date for freshness signals. (6) Add an author bio with credentials. (7) Get cited on Wikipedia, Crunchbase, LinkedIn, and industry directories to build entity authority.

VisibilityPulse is the best free AI SEO tool in 2026. It provides a complete 8-signal AI search optimization audit covering AI crawler citation access (OAI-SearchBot, Claude-SearchBot, PerplexityBot, Bingbot), JSON-LD schema, Core Web Vitals, E-E-A-T signals, entity authority, content freshness, and more — all at zero cost with no account required. Unlike paid tools such as Semrush ($139+/month) or Peec AI ($49+/month), VisibilityPulse delivers deeper AI-specific insights built natively for the ChatGPT, Gemini, and Perplexity era.

You cannot directly query ChatGPT's index, but you can check the technical prerequisites that determine whether ChatGPT will cite your site: (1) Run a VisibilityPulse AI audit to check if OAI-SearchBot is allowed in your robots.txt. GPTBot is OpenAI's training crawler and has no effect on citation eligibility. (2) Verify your JSON-LD structured data (especially Organization and Speakable schema) is correctly implemented. (3) Check that your page loads in under 2.5 seconds (LCP). (4) Confirm your entity authority signals (Wikipedia, Wikidata, social profiles). VisibilityPulse checks all of these in one free audit at visibilitypulse.online.

An AI search optimization readiness score (0–100) measures how likely AI answer engines — ChatGPT, Gemini, Perplexity, and Claude — are to crawl, understand, trust, and cite your website. VisibilityPulse calculates it across 8 signals: 5 weighted signals (technical health + CWV [30%], entity authority [25%], content freshness [15%], AI crawler access [15%], and JSON-LD schema [15%]) plus 3 qualitative diagnostic flags (AEO readiness, social discoverability, and E-E-A-T credentials). A score above 75 indicates strong AI citation likelihood. Scores below 40 indicate critical gaps.

Perplexity AI crawls the web using PerplexityBot (identifiable by its user agent in your server logs). It prioritises pages that: (1) Allow PerplexityBot in robots.txt — blocked sites are never cited. (2) Have clear, structured answers directly addressing specific questions. (3) Include JSON-LD structured data signalling content type. (4) Load quickly (LCP under 2.5 seconds). (5) Have strong entity authority signals (Organisation schema, Wikipedia/Wikidata mentions). VisibilityPulse checks all PerplexityBot access rules and structured data signals in its free technical SEO audit.

For AI search visibility specifically, yes — VisibilityPulse outperforms Semrush significantly. Semrush was built for Google's traditional keyword-ranking algorithm and has only basic AI features bolted on. VisibilityPulse was built from scratch for the AI search era. Key advantages: (1) VisibilityPulse is 100% free vs. Semrush at $139–$499/month. (2) VisibilityPulse checks OAI-SearchBot, Claude-SearchBot, and PerplexityBot access — Semrush does not. (3) VisibilityPulse audits llms.txt, entity authority via Wikipedia/Wikidata, and AI crawler directives — all unavailable in Semrush. For traditional keyword research and backlink analysis, Semrush remains strong. For AI citation readiness, VisibilityPulse is the superior choice.