Relying Too Much on Plugins
Speed plugins aren’t magic.
If your site is bloated, no plugin can fix it.
Removing bloat is more effective:
👉 10 Things I Remove from Every New Client Website
(Week 4 internal link)
Using Builders for Everything
Builders are great—
but not for:
- Privacy policy
- Contact page
- Simple text pages
Use Gutenberg where possible.
Ignoring Font Optimization
Fonts affect:
- CLS-
- LCP
- Rendering
If fonts are slowing your site down, read this:
👉 Why Font Delivery Can Slow Down Your Site More Than Images
(Week 3 internal link)
Uploading Full-Resolution Images
This is the fastest way to tank your speed score.
Fix them using:
👉 The Complete Image Optimization Guide for 2025
(Week 2 internal link)
Not Using a CDN
A CDN reduces server load and speeds up global delivery.
Cloudflare + APO works best for most sites.
Poor Caching Configuration
Common errors:
- Multiple caching plugins
- Wrong minification settings
- JS conflicts
Follow this setup instead:
👉 The Ultimate Caching Setup for WordPress
(Week 2 internal link)
Ignoring Core Web Vitals
Even with good hosting, your metrics can fail.
Fix your CWV issues here:
👉 Core Web Vitals: How I Fix INP, CLS, and LCP
(Week 2 internal link)
Not Auditing the Site Regularly
Websites slow down over time due to:
- Updates
- New plugins
- Content growth
- Third-party scripts
Audit monthly using this checklist:
👉 How I Audit WordPress Sites for Speed (My Exact Checklist)
(Week 4 internal link)
Final Thoughts
2025 requires a new level of performance awareness.
Fast websites win—slow websites lose.
If developers avoid these mistakes, they can build sites that load fast, score well, and convert better.