Blog

The BoltAudit blog

Field notes on WordPress performance, AI-driven bottleneck detection, and the slow-site mistakes we keep finding.

wordpress
Jun 5, 2026 10 min read

How to find which plugin is slowing down your WordPress site?

Disabling plugins one by one is slow and risky. Here's how to find the exact Plugin slowing down your WordPress site in under 10 minutes, on a live site, safely.

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databasedatabase
May 6, 2026 3 min read

Autoload bloat is the silent WordPress killer

Every uncached request loads the entire autoloaded options table. Most slow WordPress sites we audit have that table at 5MB or more.

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backendbackend
May 5, 2026 9 min read

How to actually read the WordPress slow query log

Slow query logs are noisy. Most queries that look bad are not, and most queries that look fine are quietly killing your site. Here is the order we read the slow log in.

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mobilemobile
May 4, 2026 11 min read

Mobile WordPress is slower than you think — here is how to fix it

Most WordPress is fast claims are measured on a desktop fiber connection. On a real mobile device on 4G, your numbers are 3–5x worse — and that is where Google measures Core Web Vitals.

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databasedatabase
May 3, 2026 9 min read

The autoload trap: WordPress's slowest hidden setting

Every WordPress page load reads wp_options.autoload — and most stores have hundreds of stale rows ballooning it past 1MB. The query plan, the fix, and how to keep it from regressing.

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woocommercewoocommerce
May 2, 2026 12 min read

Why your WooCommerce checkout is slow — and the four-layer fix

The checkout page is where slow stores die. Most fixes only touch one layer of WordPress. Here is the four-layer audit walk we use, in the order BoltAudit checks them.

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ttfbttfb
May 1, 2026 11 min read

WordPress TTFB: What good looks like in 2026 (and how to get there)

Time to First Byte above 600ms is the single most common reason WordPress sites lose visitors. Here is what your number actually means, what good looks like in 2026, and the four-step diagnostic walk we use on every audit.

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performanceperformance
Apr 29, 2026 4 min read

The four layers of WordPress performance: a field guide

Frontend, backend, database, infrastructure. Knowing which layer is bottlenecking is half the fix.

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performanceperformance
Apr 22, 2026 3 min read

Why your WordPress site is slow — and how to find out in two minutes

Performance tools point at metrics. They rarely point at the cause. Here is the bottleneck-first framing we built BoltAudit around.

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