Performance
Articles about performance on WordPress: what each setting does, why it matters, and how to change it.
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Performance
What Is the s.w.org DNS Prefetch in WordPress?
WordPress adds a dns-prefetch link to s.w.org on every page. It leaks browsing data to an external server. Here's what it does and how to remove it.
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Performance
Remove Unused Gutenberg Block CSS from WordPress Frontend
WordPress loads Gutenberg block library CSS on every page — even if you use Elementor or the Classic Editor. Here's how to remove it and save 30+ KB.
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Performance
WordPress Lazy Loading Is Hurting Your LCP Score
WordPress lazy-loads ALL images by default — including your hero image above the fold. That kills your LCP score. Here's how to fix it.
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Performance
What Are Dashicons and Why Are They Slowing Down Your WordPress Site
WordPress loads a 46 KB Dashicons stylesheet on every page — even for visitors who never see the admin. Here's how to remove it from the frontend.
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Performance
WordPress oEmbed: What It Is and Why It Adds Extra Requests
WordPress loads wp-embed.min.js on every page so other sites can embed your content. If you don't need that, here's how to disable oEmbed completely.
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Performance
WordPress Heartbeat API Is Eating Your Server Resources
The WordPress Heartbeat API sends a request every 15 seconds while you edit posts. On shared hosting, this can max out your CPU. Here's how to control it.
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Performance
Is jQuery Migrate Still Needed in WordPress? (Spoiler: Probably Not)
WordPress loads jquery-migrate.min.js on every page for backward compatibility with old plugins. Here's how to check if you need it — and remove it if not.
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Performance
WordPress Loads Emoji Scripts on Every Page — Here’s How to Stop It
WordPress loads a 10.5 KB emoji script on every page — even if you never use emojis. Here's how to remove it and speed up your site in under 60 seconds.
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Performance
Remove Query Strings from Static Resources in WordPress
Query strings like ?ver=6.5 on your CSS and JS files prevent CDN caching and hurt your GTmetrix score. Here's how to remove them in WordPress.
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Performance
WordPress loads emoji JavaScript on every page. Here is why you should stop it.
WordPress adds ~10KB of emoji detection JavaScript to every single page — even if you never use emojis. Here is what it does, why it exists, and why removing it is safe in 2026.