Wave 1 · Performance

How to Speed Up WordPress

A performance workflow that starts with measurement and tackles hosting, caching, images, fonts, scripts, themes, and plugins in the right order.

Updated August 22, 2026 · Independent editorial guide

Disclosure: This page contains an affiliate link to GeneratePress. If you purchase through it, LeanPress Lab may earn a commission at no additional cost to you. Our editorial conclusions are not supplied by the merchant.

Measure before changing tools

Use field data where available and a consistent lab test for diagnostics.

Record the current bottleneck before changing themes or plugins so you can tell whether the change actually helped.

Separate theme cost from page cost

A theme influences templates, CSS, JavaScript, fonts, layout behavior, and DOM structure, but content and plugins often contribute more weight.

Large hero images, video embeds, analytics stacks, ad scripts, and third-party widgets can dominate the page regardless of theme.

Considering GeneratePress?

Compare the current plans and product details on the official GeneratePress site before you decide.

Check GeneratePress pricing and plans →Affiliate link: LeanPress Lab may earn a commission if you purchase through this link, at no extra cost to you.

Prioritize the biggest bottlenecks

Start with hosting and caching basics, then images, fonts, render-blocking assets, unnecessary scripts, and layout stability.

Only after that should you chase tiny framework differences that do not materially change the user experience.

How themes influence Core Web Vitals

Themes can affect Largest Contentful Paint through template structure and CSS; Interaction to Next Paint through JavaScript and interaction patterns; and Cumulative Layout Shift through sizing, font loading, and unstable components.

Implementation still matters.

A practical theme test

Install each theme on the same environment with the same content.

Build the same header, article, archive, and landing page. Compare asset requests, transferred bytes, DOM complexity, responsive behavior, and the amount of extra tooling required.

Where GeneratePress fits

GeneratePress is explicitly marketed around lightweight output and modular features.

That makes it a reasonable performance-conscious candidate, but the finished site's speed still depends on hosting, media, plugins, fonts, scripts, and your implementation choices.

Related guides

Considering GeneratePress?

Compare the current plans and product details on the official GeneratePress site before you decide.

See current GeneratePress plans →Affiliate link: LeanPress Lab may earn a commission if you purchase through this link, at no extra cost to you.

Sources for current GeneratePress claims: official GeneratePress pricing, Premium, and learning documentation reviewed August 22, 2026. Recheck volatile pricing and product details before publication refreshes.

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