Full technical checklist to optimize a blog's layout speed and design elements

Part 4 of 4

Fast tutorial sites keep readers on page longer—a positive signal for both learners and monetization programs. Work through this checklist after theme changes or before applying for advertising review.

Hosting & PHP

• PHP 8.2+ with OPcache enabled.
• HTTP/2 or HTTP/3 from CDN edge.
• Object cache (Redis) if traffic exceeds shared hosting comfort.

Front-end layout

• Set explicit width/height on images to reduce Cumulative Layout Shift.
• Limit web fonts to two families; use font-display: swap.
• Defer non-critical JavaScript; avoid render-blocking sliders on article templates.
• Use critical CSS for above-the-fold article header only if measurements justify complexity.

WordPress-specific

• Page caching plugin compatible with your host.
• Lazy-load images natively (loading="lazy") for below-fold media.
• Disable unused block library CSS if classic editor or minimal blocks.
• Audit plugins quarterly; remove redundant SEO/analytics duplicates.

Measurement

Run Lighthouse on a representative long article URL. Record LCP, INP, and CLS before and after each change. Document results in a spreadsheet so you know which optimization actually helped.

Continue to API integrations module for educational automation patterns.