# LemRank — Rank Intelligence for SEO Agencies

> For a comprehensive product reference, see: https://lemrank.com/llms-full.txt

> LemRank is a rank tracking and SERP intelligence platform built specifically for SEO agencies. It provides AI-powered rank tracking, SERP change detection, LLM visibility monitoring across 6 AI platforms (ChatGPT, Gemini, Claude, Perplexity, Meta AI, Grok), backlink intelligence, and competitor intelligence — with 45+ analytical modules.

## What LemRank Does

LemRank tracks keyword rankings across Google, detects SERP layout changes, analyzes backlink authority signals, and uses AI to explain why rankings moved. It's designed for SEO agencies managing multiple client projects.

### Core Features
- **AI Rank Tracking**: Track keyword rankings with AI-powered explanations for every movement
- **SERP Change Detection**: Monitor changes to SERP layouts, featured snippets, and rich results across 12 feature types (including Shopping, FAQ, Carousel, Image Pack)
- **LLM Visibility Monitoring**: Track how AI assistants (ChatGPT, Claude, Perplexity) mention your brand
- **Backlink Intelligence**: TLD authority analysis (.edu/.gov signals), spam scoring, link type breakdown, subnet diversity, broken link detection, and link velocity tracking
- **Competitor Intelligence**: Competitor landscape analysis, threat index, position delta tracking, movement alerts, and SERP takeover timelines
- **Content Decay Detection**: Identify pages losing rankings before traffic drops
- **Cannibalization Detection**: Find keywords where multiple pages compete against each other
- **Client Portal & White-Label Reports**: Share branded reports with clients
- **Keyword Discovery**: Find new keyword opportunities with volume and difficulty data
- **Share of Voice**: Measure search visibility across your keyword portfolio
- **Algorithm Impact Analysis**: Correlate ranking changes with Google algorithm updates
- **Action Plan**: 20+ automated SEO analyzers covering backlink gaps, SERP opportunities, content depth, and more
- **SERP Feature Matrix**: Track 12 feature types per keyword including Featured Snippets, PAA, AI Overviews, Shopping, FAQ, Carousel, Image Pack, and Local Pack

## Pricing
- **Free**: 50 keywords, 1 project
- **Pro**: From $47.20/mo, unlimited keywords and projects (14-day free Pro trial)
- **Teams**: From $79/mo, team collaboration features

## Company
- Built by Pearl Lemon, a London-based SEO agency
- Website: https://lemrank.com
- Support: support@lemrank.com

## Technical Stack
- React + TypeScript frontend
- Cloud backend with real-time sync
- PWA with offline support
- 9 languages supported (EN, ES, DE, FR, PT, HI, FIL, PA, AR)

## Pages
- [Homepage](/): Turn ranking data into revenue intelligence.
- [Features](/features): 45+ analytical modules for SEO agencies.
- [Pricing](/pricing): Free, Pro, and Teams plans.
- [Blog](/blog): SEO and AI-search insights.
- [Guides](/guides): How-to guides for rank tracking and AI visibility.
- [Comparisons](/compare): LemRank vs other rank trackers.
- [Alternatives](/alternatives): Alternatives to Ahrefs, SEMrush, AccuRanker.
- [Use Cases](/use-cases): Workflows for agencies, in-house, and consultants.
- [Reviews](/reviews): What SEO professionals say about LemRank.
- [FAQ](/faq): Common questions about LemRank.
- [Changelog](/changelog): Latest product updates.
- [About](/about): Built by Pearl Lemon, an SEO agency.
- [Why LemRank](/why-lemrank): 10 reasons to switch.

## Help Center
- [Help Center](/help): All guides on rank tracking, keyword research, LLM visibility, backlinks and more.
- [Keyword Golden Ratio (KGR)](/help/keyword-golden-ratio): Formula for spotting low-competition keywords a new site can rank on quickly.
- [How to find keyword cannibalization](/help/how-to-find-keyword-cannibalization): Detect and fix pages competing for the same query.
- [How to track ChatGPT brand mentions](/help/how-to-track-chatgpt-brand-mentions): Monitor brand visibility across ChatGPT, Perplexity, Claude, Gemini.
- [How to appear in Google AI Overviews](/help/how-to-appear-in-google-ai-overviews): Signals that get you cited inside Google's generative answers.
- [What is Share of Voice in SEO](/help/what-is-share-of-voice): Formula, calculation, and benchmarks.
- [How to detect content decay](/help/how-to-detect-content-decay): Four leading indicators that catch decay before traffic drops.
- [How to create a Google disavow file](/help/how-to-create-google-disavow-file): Step-by-step disavow.txt building and submission.
- [How to do a keyword gap analysis](/help/how-to-do-a-keyword-gap-analysis): Find keywords competitors rank for that you don't.
- [LemRank Lens Chrome extension guide](/help/lemrank-lens-chrome-extension-guide): SERP overlay for live SEO recon.
- [SERP features explained](/help/serp-features-explained): All 12 feature types, when they trigger, how to win them.
- [How to appear in Perplexity AI](/help/how-to-appear-in-perplexity): Source signals, page structure, and freshness cues that earn citations.
- [How to track Share of Voice](/help/how-to-track-share-of-voice): Weekly SoV formula, CTR curves, and pitfalls.
- [Keyword Difficulty Checker guide](/help/how-to-use-the-keyword-difficulty-checker): KD bands, why tools disagree, calibrating against Authority Score.
- [How to fix keyword cannibalization](/help/how-to-fix-keyword-cannibalization): Consolidate, differentiate, redirect, noindex — decision tree.
- [How to identify spam backlinks](/help/how-to-identify-spam-backlinks): Nine toxicity signals and when to disavow.
- [Competitor gap analysis](/help/how-to-do-competitor-gap-analysis): Keyword, backlink, and content gaps in one workflow.
- [Daily vs weekly rank tracking](/help/daily-vs-weekly-rank-tracking): When each cadence is worth the credits.
- [How to target Featured Snippets](/help/how-to-target-featured-snippets): The four formats, direct-answer rule, reverse-engineering workflow.
- [SERP features explained](/help/serp-features-explained): Anatomy of a modern SERP and the 12 SERP features.
- [Link velocity explained](/help/link-velocity-explained): Baseline formula, attack signs, monitoring cadence.
- [How to check Domain Authority](/help/how-to-check-domain-authority): Score bands, tool disagreement, what DA really means.
- [Long-tail keywords guide](/help/long-tail-keywords-guide): Sourcing, clustering, and why long-tail out-converts head terms.
- [Keyword clustering explained](/help/keyword-clustering-explained): SERP-based vs semantic clustering.
- [Content refresh strategy](/help/content-refresh-strategy): Refresh checklist and prioritisation matrix.
- [TLD authority (.edu/.gov)](/help/tld-authority-edu-gov-signals): The truth about educational and government backlinks.
- [What is topical authority](/help/what-is-topical-authority): Pillar–cluster pattern for topic ownership.
- [Monitor Google algorithm updates](/help/how-to-monitor-google-algorithm-updates): Sources, the wait-or-act rule, correlation workflow.
- [SERP volatility tracking](/help/serp-volatility-tracking): 0–10 scale, what triggers spikes, filtering noise.
- [Find broken backlinks](/help/how-to-find-broken-backlinks): Scan, prioritise, and reclaim workflow.
- [What is search intent](/help/what-is-search-intent): Four intent types, SERP tells, fixing mismatch.

## Free Tools
- [Free SEO tools](/free-tools): 32 browser-based tools, no signup and no rate limits.
- [SERP Simulator](/free-tools/serp-preview): Test your page title and meta description in a pixel-accurate Google preview before you publish.
- [Robots.txt Tester](/free-tools/robots-txt-tester): Instantly check whether a URL is allowed or blocked for any user-agent — pure client-side, no data leaves your browser.
- [JSON-LD Schema Validator](/free-tools/schema-validator): Validate JSON-LD structured data before you deploy — catches missing required fields Google uses to render rich results.
- [AI Overview Checker](/free-tools/ai-overview-checker): Predict whether a keyword will trigger Google's AI Overview so you can format your content to win the citation.
- [Keyword Difficulty Checker](/free-tools/keyword-difficulty-checker): See how hard a keyword really is, based on the live top 10 and the authority you would actually have to outrank.
- [XML Sitemap Validator](/free-tools/sitemap-validator): Catch structural errors, invalid URLs, and missing metadata in your sitemap before Google does.
- [SERP Checker](/free-tools/serp-checker): Pull Google's live top 10 for any keyword and see the authority you would actually have to outrank.
- [Google Rank Checker](/free-tools/rank-checker): Check where your domain ranks in Google's top 100 for any keyword — live, with the competitors ahead of you.
- [Hreflang Generator](/free-tools/hreflang-generator): Turn a list of URL and language pairs into valid, reciprocal hreflang tags — plus x-default and sitemap output.
- [Slug Generator](/free-tools/slug-generator): Convert a page title into a clean, search-friendly URL slug in one click.
- [SEO ROI Calculator](/free-tools/seo-roi-calculator): Turn search volume and a target ranking position into projected clicks, conversions, revenue and payback period.
- [Keyword Cannibalization Checker](/free-tools/keyword-cannibalization-checker): Find keywords where more than one page on your site is competing for the same ranking.
- [Canonical Tag Checker](/free-tools/canonical-tag-checker): Check a page's rel=canonical tag for the mistakes that quietly waste crawl budget and split ranking signals.
- [Noindex Checker](/free-tools/noindex-checker): Paste HTML, a meta robots tag or an X-Robots-Tag header to see exactly what it tells search engines to do.
- [Topic Cluster Generator](/free-tools/topic-cluster-generator): Paste a keyword list and get it grouped into named clusters, each with a pillar page and its supporting pages.
- [PPC ROI Calculator](/free-tools/ppc-roi-calculator): Enter monthly spend, CPC, conversion rate, order value and margin to see whether a campaign is actually profitable.
- [Negative Keyword Tool](/free-tools/negative-keyword-tool): Paste your search-term report to find the queries burning budget, and export them as a ready-to-paste negative list.
- [ChatGPT Visibility Checker](/free-tools/chatgpt-visibility-checker): Generate the prompt set and scoring sheet to test, by hand, whether ChatGPT mentions your brand for your category.
- [CTR Curve Calculator](/free-tools/ctr-curve-calculator): The organic click-through rate curve by position, plus what moving up a few places is worth in clicks and equivalent ad spend.
- [Keyword Golden Ratio Checker](/free-tools/keyword-golden-ratio-checker): Score any long-tail keyword with the KGR formula and see instantly whether a single page can rank for it without link building.
- [FAQ Schema Generator](/free-tools/faq-schema-generator): Convert your question-and-answer pairs into valid FAQPage JSON-LD you can paste straight into your page.
- [Local Business Schema Generator](/free-tools/local-business-schema-generator): Turn your business name, address, hours and contact details into valid LocalBusiness JSON-LD.
- [Product Schema Generator](/free-tools/product-schema-generator): Build valid Product JSON-LD with the price, availability and review data Google needs for a product rich result.
- [Article Schema Generator](/free-tools/article-schema-generator): Build valid Article, NewsArticle or BlogPosting JSON-LD with the headline, author and date fields Google requires.
- [Video Schema Generator](/free-tools/video-schema-generator): Turn a video's title, thumbnail and duration into valid VideoObject JSON-LD ready to paste into your page.
- [Review Schema Generator](/free-tools/review-schema-generator): Build valid Review or AggregateRating JSON-LD without breaking Google's rules on self-serving ratings.
- [Job Posting Schema Generator](/free-tools/job-posting-schema-generator): Build JobPosting JSON-LD with every property Google Jobs requires, so listings are eligible to appear.
- [Breadcrumb Schema Generator](/free-tools/breadcrumb-schema-generator): Convert a page's URL structure into valid BreadcrumbList JSON-LD for the search result trail.
- [Event Schema Generator](/free-tools/event-schema-generator): Turn your event details into valid Event JSON-LD that's eligible for Google's rich event listings.
- [Recipe Schema Generator](/free-tools/recipe-schema-generator): Turn ingredients and steps into valid Recipe JSON-LD eligible for Google's recipe carousel and rich results.
- [Podcast Schema Generator](/free-tools/podcast-schema-generator): Turn a podcast episode's details into valid PodcastEpisode JSON-LD that helps search and AI engines surface it correctly.
- [HowTo Schema Generator](/free-tools/howto-schema-generator): Turn a set of instructions into valid HowTo JSON-LD structured as numbered, machine-readable steps.

## Optional
- [llms-full.txt](/llms-full.txt): Comprehensive product reference.