BlogBrandz Digital LLP

Best Practices for Speeding Up Your Website

Speed

• CONTENT

• Make fewer HTTP Requests

• Avoid Redirects

• Minify HTML

• Prioritize Visible Content

• Make AJAX Cacheable

• Reduce the Number of DOM Elements

• Minimize the Number of iframes

• Reduce DNS Lookups

• Avoid 404s

• COOKIE

• Reduce Cookie Size

• Use Cookie-Free Domains for Components

• Reduce Server Response Time

• CSS

• Eliminate Render-Blocking CSS in Above the Fold Content

• Avoid CSS Expressions Choose over @import

• Make CSS External

• Minify CSS

• Avoid Filters

• SERVER

• Use a Content Delivery Network (CON)

• Add Expires or Cache-Control Header

• Enable Compression

• Configure ETags

• JAVASCRIPT

• Eliminate render-blocking JavaScript in above the fold content

• Make JavaScript External

• Minify JavaScript

• Remove Duplicate Scripts

• Minimize DOM Access

• Develop Smart Event Handlers

• IMAGES

• Optimize Images

• Optimize CSS Sprites

• Do not Scale Images in HTML

• Serve Images in Next-Gen Formats

• Make favicon.ico Small and Cacheable

• MOBILE

• Keep Components Under 25 KB

• Pack Components into a Multipart Document