Six Cube Technologies

The Importance of Website Speed and How to Improve It

Why website speed affects visitors, conversions and search rankings — plus practical steps to make your site load faster, from image compression to caching.

 /  3 min read  /  Six Cube Technologies

The speed of your website affects almost everything: whether visitors stay, whether they buy or enquire, and how well you rank in search. Here's why it matters and what you can do about it.

Why speed matters

Visitors leave slow sites

People expect pages to load in a couple of seconds, especially on mobile. Every extra second of waiting increases the chance they'll hit the back button and go to a competitor.

Speed affects conversions

Faster sites tend to convert better. When pages respond quickly, users browse more pages, complete more forms and abandon fewer carts.

Speed is a ranking factor

Google measures real-world loading and responsiveness through its Core Web Vitals:

  • Largest Contentful Paint (LCP) — how quickly the main content appears
  • Interaction to Next Paint (INP) — how quickly the page responds to taps and clicks
  • Cumulative Layout Shift (CLS) — how much the layout jumps around while loading

Sites that perform well on these measures have an advantage in search results.

How to measure your speed

Use free tools such as Google PageSpeed Insights, Lighthouse in Chrome's developer tools, or the Core Web Vitals report in Google Search Console. Test on mobile as well as desktop, and test important pages — not just the homepage.

How to make your website faster

1. Optimise images

Images are usually the biggest files on a page. Resize them to the size they're displayed at, compress them, and use modern formats like WebP or AVIF. Add width and height attributes so the layout doesn't jump, and lazy-load images below the fold.

2. Reduce unused code

Many sites load large CSS frameworks, JavaScript libraries and plugins they barely use. Removing unused code, combining files and deferring non-essential scripts can cut load time dramatically.

3. Load fonts efficiently

Self-host fonts in WOFF2 format, load only the weights you use, and use font-display: swap so text appears immediately.

4. Enable compression and caching

Server-side compression (Gzip or Brotli) shrinks text files before they're sent. Browser caching lets returning visitors reuse files instead of downloading them again. On Apache hosting, both can be enabled in the .htaccess file.

5. Delay third-party scripts

Chat widgets, analytics, ad pixels and social embeds all add weight. Load them after the main content, and remove any you no longer use.

6. Choose good hosting

Cheap shared hosting can be slow under load. A reputable host with servers near your audience, up-to-date PHP and HTTP/2 support makes a noticeable difference. A content delivery network (CDN) can help if your visitors are spread across regions.

7. Keep it maintained

Speed degrades over time as content, plugins and scripts pile up. Review performance regularly and remove what's no longer needed.

The bottom line

A fast website is a better experience for your visitors and a stronger asset for your business. If your site feels slow, our web development team can audit it and fix the biggest problems — and our maintenance plans keep it fast.

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