---
title: "Why Is My Health Score Low? — Lemwatch Help"
description: "Common reasons for a low health score and how to fix them."
canonical: "https://lemwatch.com/help/why-is-my-health-score-low"
source: "https://lemwatch.com"
---

# Why Is My Health Score Low?

> Common reasons for a low health score and how to fix them.

## Why Is My Health Score Low?

 Your health score is a weighted combination of uptime (40%), performance (30%), security (15%), and SEO (15%). Here are the most common causes and fixes.

### 1. Poor Performance Scores (Most Common)

 **Symptoms:** Score below 70, slow LCP or high CLS **Fix:**

- Optimise images: compress and convert to WebP/AVIF

- Remove unused JavaScript and CSS

- Enable browser caching and compression (gzip/brotli)

- Use a CDN for static assets

- See Core Web Vitals Explained for detailed guidance

### 2. Missing Security Headers

 **Symptoms:** Security grade C or below **Fix:**

- Add Strict-Transport-Security, Content-Security-Policy, X-Frame-Options headers

- See Security Headers Explained for server-specific instructions

### 3. SSL Issues

 **Symptoms:** Certificate warnings, mixed content **Fix:**

- Renew expired certificates

- Fix mixed content (HTTP resources on HTTPS pages)

- Ensure proper certificate chain

### 4. SEO Problems

 **Symptoms:** Missing meta tags, broken links, indexation issues **Fix:**

- Add title and meta description to all pages

- Fix broken links (404s)

- Submit an updated sitemap to search engines

### 5. Intermittent Downtime

 **Symptoms:** Uptime below 99.5%, occasional timeouts **Fix:**

- Check server logs for errors

- Review hosting capacity (upgrade if needed)

- Investigate third-party service dependencies

### Still Low?

 If your score is low after addressing these, click the **"FIX FIRST"** badges on your site's detail page — they show the highest-impact issues specific to your site.


## Related

- [Help centre](https://lemwatch.com/help)
- [How Health Scores Work](https://lemwatch.com/help/health-score-explained)
- [Core Web Vitals Explained](https://lemwatch.com/help/core-web-vitals)
- [Security Headers Explained](https://lemwatch.com/help/security-headers)
- [I'm Not Receiving Alerts](https://lemwatch.com/help/not-receiving-alerts)
- [My Site Shows as Down But It's Working](https://lemwatch.com/help/site-shows-down-but-working)
- [Lemwatch pricing](https://lemwatch.com/pricing)
- [Why did my SSL grade drop?](https://lemwatch.com/help/why-ssl-grade-dropped)