--- title: "Health check metrics" slug: "health-check-metrics" description: "Health check metrics help you optimize the article's readability and readability. It gives you valuable insights into the current problems, suggestions, and good work in the content." tags: ["Analytics "] updated: 2026-07-10T06:09:43Z published: 2026-07-10T06:09:43Z canonical: "docs.document360.com/health-check-metrics" --- > ## Documentation Index > Fetch the complete documentation index at: https://docs.document360.com/llms.txt > Use this file to discover all available pages before exploring further. # Health check metrics Health check metrics is a panel in the article editor that surfaces SEO and readability issues before you publish. It gives you a real-time assessment of your article across nine parameters, classified into three levels: Problems, Suggestions, and Good Work, so you know exactly what needs attention and what is already optimised. This feature is available for articles and category pages in English only. --- ## When to use health check metrics - Run it as part of your publishing checklist before every article goes live. - Use it when auditing existing articles to identify SEO gaps such as missing meta titles or descriptions. - Use it to improve content quality on high-traffic articles where readability directly affects reader engagement. --- ## Access health check metrics 1. Open the article in the knowledge base portal. 2. Click the **More** () icon in the article header and select **Health check metrics**. The **Health check metrics** panel appears with two sections: SEO metrics and Readability metrics. NOTE If you update any parameter while the panel is open, click **Check now** to refresh the results based on the latest changes. ![Health check metrics panel showing SEO and readability metrics for an article](https://cdn.document360.io/860f9f88-412e-4570-8222-d5bf2f4b7dd1/Images/Documentation/Health%20check%20metrics.gif.gif) --- ## What health check metrics covers SEO metrics Assess your article's SEO title length, AI & search description length, internal and external link count, and featured image presence. [View metrics →](/docs/health-check-metrics#seo-metrics) Readability metrics Assess your article's readability score, paragraph length, sentence length, and sub-heading distribution. [View metrics →](/docs/health-check-metrics#readability-metrics) --- ## Metrics classification Every metric in the panel falls into one of three categories: | Classification | What it means | | --- | --- | | **Problems** | Requires immediate action before publishing. | | **Suggestions** | Improvements that would strengthen the article. | | **Good Work** | The metric is at an optimal level. | --- ## SEO metrics ### SEO title length The SEO title appears in search engine results and browser tabs. The ideal length is between 50 and 70 characters. | Character count | Classification | | --- | --- | | Less than 30 or more than 90 | Problems | | 30 to 49 or 71 to 90 | Suggestions | | 50 to 70 | Good Work | Click **Update now** in the panel to navigate directly to the SEO title field. ### AI & search description length The AI & search description is the short summary shown in search results and used by AI agents to retrieve and cite the article. The ideal length is between 120 and 160 characters. | Character count | Classification | | --- | --- | | Less than 80 or more than 160 | Problems | | 80 to 119 | Suggestions | | 120 to 160 | Good Work | ### External links External links point to URLs outside your Document360 project. | Count | Classification | | --- | --- | | 0 or more than 3 | Suggestions | | 1 to 3 | Good Work | ### Internal links Internal links include article links and category page links within your project. Media file links are not counted as internal links. | Count | Classification | | --- | --- | | 0 or more than 3 | Suggestions | | 1 to 3 | Good Work | ### Featured image A featured image appears alongside the SEO title and description when the article is shared on social media. | Status | Classification | | --- | --- | | No featured image | Suggestions | | Featured image present | Good Work | --- ## Readability metrics Readability metrics assess how easy your article is to read and understand. These metrics do not account for LaTeX expressions or code blocks. ### Readability score The readability score is calculated using the **Flesch Reading Ease** formula. It ranges from 0 to 100, where a higher score means more readable content. | Score | Reading level | Classification | | --- | --- | --- | | 90 to 100 | Very easy to read | Good Work | | 80 to 89 | Easy to read | Good Work | | 70 to 79 | Fairly easy to read | Good Work | | 60 to 69 | Easily understood | Good Work | | 30 to 59 | Fairly difficult to read | Suggestions | | 0 to 29 | Hard to read | Problems | ![Readability score displayed in the Health check metrics panel](https://cdn.document360.io/860f9f88-412e-4570-8222-d5bf2f4b7dd1/Images/Documentation/readability%20score.png) ### Paragraph length Long paragraphs make content harder to follow. The optimal length is 150 words or fewer per paragraph. NOTE Two or more sentences without a line break are counted as a single paragraph. | Status | Classification | | --- | --- | | Any paragraph exceeds 150 words | Suggestions | | All paragraphs are 150 words or fewer | Good Work | ### Sentence length Shorter sentences are easier to read. The recommended maximum is 20 words per sentence. NOTE A sentence is defined as a group of words ending with a period (.). Ordered and unordered list items with no full stop are counted as a single sentence. | Status | Classification | | --- | --- | | Any sentence exceeds 20 words | Suggestions | | All sentences are 20 words or fewer | Good Work | ### Sub-heading distribution Sub-headings improve readability and help readers navigate between sections. Use H2, H3, and H4 heading tags in the editor to add sub-headings. | Status | Classification | | --- | --- | | No sub-headings present | Suggestions | | Sub-headings used | Good Work | --- ## Best practices - Resolve all **Problems** before publishing. **Suggestions** should be addressed where possible but are not blockers. - Address SEO title and description issues first. These have the most direct impact on search visibility and AI retrieval accuracy. - Use the **Update now** links in the panel to jump directly to the field that needs attention without closing the panel. - Run health check metrics on existing high-traffic articles periodically, not just at the time of publishing. --- ## FAQ **Is health check metrics available for all languages?** No. Health check metrics is available for articles and category pages in English only. **Why are my health check results not updating after I make changes?** If the Health check metrics panel is open when you make changes to the article, click **Check now** in the panel to refresh the results. The panel does not update automatically. **How is the readability score calculated?** The readability score is calculated using the Flesch Reading Ease formula. It analyses sentence length and word complexity to produce a score from 0 to 100. Higher scores indicate simpler, more readable content. **Do code blocks and LaTeX expressions affect the readability score?** No. Readability metrics do not account for LaTeX expressions or code blocks. These elements are excluded from the sentence and paragraph length calculations. **Does having more than three internal links count as a problem?** No. Having more than three internal links is classified as a Suggestion, not a Problem. The recommended range is one to three internal links per article. Media file links are not counted as internal links. ## Related - [Article analytics](/article-analytics.md)