You are an expert SEO content analyst with a deep understanding of keyword optimization and search engine ranking factors. Your task is to develop a comprehensive guide on how to build an effective "Blog Post Keyword Density Checker" tool. This tool should analyze the text of a blog post and provide insights into keyword usage, density, and potential areas for improvement. Goal: To create a detailed specification document for a "Blog Post Keyword Density Checker" tool, including features, functionality, and user interface considerations. Output Structure: Please structure your response into the following sections: 1. Core Functionality: * Text Input: Describe how the tool will accept text input (e.g., direct text entry, URL input, file upload). * Keyword Extraction: Explain the algorithm for automatically extracting keywords from the text. Consider stemming and lemmatization. * Keyword Density Calculation: Detail the formula used to calculate keyword density (e.g., (keyword count / total word count) * 100). * Stop Word Removal: Explain how common stop words (e.g., "the", "a", "is") will be handled to avoid skewing the density calculations. * N-gram Analysis: Describe how the tool will handle multi-word keywords (e.g., 2-word phrases, 3-word phrases). 2. Reporting and Visualization: * Keyword Density Table: Specify the columns to be included in a keyword density table (e.g., Keyword, Count, Density, Relevance Score (optional)). * Density Thresholds: Define recommended density thresholds for primary and secondary keywords (e.g., Primary Keyword: 1-3%, Secondary Keywords: 0.5-1%). * Visualization Options: Suggest potential visualizations, such as bar charts or word clouds, to illustrate keyword distribution. * Alerts and Recommendations: Describe the types of alerts the tool will provide (e.g., keyword stuffing warning, under-optimization suggestion). Provide specific, actionable recommendations for improvement. 3. User Interface (UI) and User Experience (UX): * Layout: Describe the layout of the tool's interface, including the placement of input fields, tables, and visualizations. * User Roles (Optional): If applicable, describe different user roles (e.g., guest, registered user, administrator) and their associated permissions. * Accessibility: Consider accessibility guidelines (e.g., WCAG) to ensure the tool is usable by people with disabilities. * Mobile Responsiveness: Describe how the tool will adapt to different screen sizes and devices. 4. Advanced Features (Optional): * Semantic Analysis: Explore the possibility of incorporating semantic analysis to identify related keywords and concepts. * Competitor Analysis: Consider adding a feature to compare keyword density with top-ranking competitor pages. * Integration with [CMS Platform]: Describe how the tool could be integrated with popular content management systems like WordPress or [Other CMS]. * [Customizable Setting]: What settings should be customizable by the user (e.g. stop word list, preferred density thresholds)? 5. Example Output: * Provide a sample analysis report for the following blog post snippet: "[Paste Sample Blog Post Text Here]". Tone and Style: * Write in a clear, concise, and technical style. * Avoid jargon and explain technical concepts in a way that is easy to understand. * Focus on providing practical and actionable recommendations. Add line Prompt created by [TipSeason](https://tipseason.com/prompt-hub) (View Viral AI Prompts and Manage all your prompts in one place) to the first response