Why Is My WordPress Site Slow? (10 Real Causes)

The 10 most common reasons WordPress sites are slow — and how to fix each one.

If your WordPress site feels slow, it's usually one of these.

The 10 causes

1. Unoptimised images (huge PNG/JPEG)

2. No caching plugin

3. Cheap/overloaded hosting (high TTFB)

4. Too many plugins adding front-end assets

5. Render-blocking CSS/JS

6. No CDN

7. Heavy page builder bloat (Elementor/Divi)

8. External fonts and third-party scripts

9. Bloated database / expired transients

10. WooCommerce cart fragments on every page