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Technical issues2026-06-28

How to speed up website loading: 10 proven methods

Short answer

Speed up site with 10 proven methods, sorted by effect: compress images to WebP/AVIF, enable browser caching, connect CDN, minify CSS/JS, defer/async scripts, remove unused plugins and fonts, enable HTTP/2 or HTTP/3, use lazy loading for images, optimize database, switch to fast hosting. First 4 give 70% of the effect.

Speed up site with 10 proven methods, sorted by effect. Start with image compression and caching — they close 70% of issues. The rest is point optimization.

Top 10 methods

  1. Compress images (+30% speed) — WebP/AVIF, TinyPNG.
  2. Browser caching — repeat visits 3–5× faster.
  3. CDN — Cloudflare (free tier), Bunny CDN.
  4. Minify CSS/JS/HTML — remove whitespace, comments.
  5. Defer scripts — <script defer> for analytics, chats.
  6. Remove unused plugins/fonts.
  7. HTTP/2 or HTTP/3 — parallel resource loading.
  8. Lazy load images — loading="lazy".
  9. Database optimization.
  10. Fast hosting — VPS with SSD.

'Site is slow, what to do' — step by step

  1. Check via PageSpeed Insights.
  2. Look at "Opportunities" section.
  3. Find main issue (usually images or JS).
  4. Apply top 5 methods.
  5. Re-measure.

This question is also asked as:

  • •how to speed up website loading
  • •how to make website faster
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