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Slow website? How speed impacts your revenue (and what to do about it)

4 February, 2025
6 min

A slow website isn’t just frustrating, it’s costing you money. Every extra second your pages take to load could mean lost customers, revenue, and even a damaged reputation. Let’s break down why website speed is crucial for business success and how you can improve it.

The Cost of a Slow Website

1. Lost Conversions and Revenue

Speed matters. Research shows that 40% of users abandon a website if it takes more than three seconds to load. Worse still, for every additional second of delay, conversions drop by about 7%. If you run an e-commerce site generating £10,000 per day, a one-second delay could cost you over £250,000 in lost revenue per year.

2. Poor SEO Rankings

Google considers site speed a ranking factor. Slow websites are penalised in search results, leading to fewer visitors and reduced organic traffic. If your competitors’ sites load faster, they’re more likely to outrank you and attract your potential customers.

3. Higher Bounce Rates & Lower Engagement

Online users have zero patience for sluggish websites. A slow-loading site frustrates visitors, increasing bounce rates and reducing engagement. Worse, search engines see high bounce rates as a sign of poor user experience, which can further harm your rankings.

4. Reduced Customer Trust & Brand Reputation

A slow or unresponsive site makes your business appear unreliable and outdated. In industries like finance, accountancy, and public services—where trust is everything—a sluggish website can significantly damage your credibility.

What’s Slowing Your Site Down?

Several factors contribute to slow load times, including:

  • Unoptimised Images – Large image files slow down your site.
  • Excessive HTTP Requests – Too many scripts, stylesheets, or fonts increase load time.
  • Poor Hosting – Cheap, shared hosting often results in slow performance, especially during traffic spikes.
  • Bloated Code & Plugins – Excessive or poorly coded plugins create unnecessary drag on speed.
  • Lack of Caching – Without caching, browsers must reload all resources every time a user visits.
  • Uncompressed Files – HTML, CSS, and JavaScript files that aren’t minified can significantly increase load times.

How to Improve Your Website Speed (and Boost Your Revenue)

1. Optimise Images

Use tools like TinyPNG or ImageOptim to compress images. Also, consider next-gen formats like WebP, which offer high quality at smaller file sizes.

2. Upgrade Your Hosting

Invest in fast, reliable hosting. Managed WordPress hosting (like WP Engine that we use here at Blue Llama) or cloud-based solutions like Digital Ocean, AWS or Google Cloud offer better speed and uptime.

3. Enable Caching

Use browser and server-side caching to store frequently accessed data, reducing reload times for returning visitors.

4. Minimise HTTP Requests

Reduce the number of elements that need to load on each page by:

  • Minimising external scripts
  • Combining CSS files

5. Use a Content Delivery Network (CDN)

A CDN distributes your site’s content across multiple global servers, ensuring faster loading times no matter where users are accessing your site from.

6. Remove Unnecessary Plugins & Scripts

Regularly audit your website’s plugins. Remove anything non-essential or that negatively impacts performance.

7. Optimise for Mobile

With Google’s mobile-first indexing, your site needs to be lightning-fast on smartphones. Use responsive design and optimise media for mobile loading speeds.

Final Thoughts

A slow website isn’t just an inconvenience, it’s a business liability. By prioritising speed, you can enhance user experience, boost conversions, and improve search rankings. If you’re serious about performance but unsure where to start, working with a digital agency like Blue Llama can help fine-tune your site for maximum efficiency.

Want to see how fast (or slow) your website really is? Run a quick test using Google PageSpeed Insights or GTmetrix—and take action before your slow site starts costing you more than you realise.

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Author

Phil de Gruchy

Phil is the owner of Blue Llama, a digital agency in Jersey, Channel Islands. He has worked in digital for most of his career and has a wide knowledge of UX, web and app design and digital marketing.

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