Is Your Slow Website Costing You Customers?
Akamai measured a 7% drop in conversions from a delay of just 100 milliseconds. Here's how your website speed hits your bottom line, and what actually fixes it.
Jared
ProStart Solutions

Your Website Speed Is a Business Problem
Here's a number that should keep every business owner up at night: 53% of mobile visits are abandoned if a page takes longer than three seconds to load. Not ten seconds. Not thirty. Three.
That figure comes from Google and DoubleClick's "The Need for Mobile Speed", published in 2016 and drawn from roughly 3,700 mobile sites. It is old enough now that it should be read as a floor rather than a ceiling — expectations have only tightened since.
For a local business generating leads through its website, that means more than half of potential customers leave before they see what you offer. They are not bouncing because your prices are too high. They are bouncing because your site is too slow.
The Numbers
Akamai's Spring 2017 State of Online Retail Performance report analysed about 10 billion user visits and found:
- A 100-millisecond delay in load time cut conversion rates by 7%
- A 2-second delay increased bounce rates by 103%
That first number deserves a second read. Not one second — one *tenth* of a second, and 7% of your conversions are gone. Google has also confirmed page speed as a ranking signal, so the same slowness costs you twice: once in visitors who leave, and again in the position you never earned.
Put it in real terms. If your site draws 1,000 visitors a month and converts 3% of them, you are getting 30 leads. Recover that 7% and you are at 32. Over a year, that is roughly two dozen additional customers from a change your visitors would never consciously notice.
Why Most Small Business Websites Are Slow
Most small business sites are built on platforms that prioritise ease of creation over performance:
Plugin Bloat
WordPress powers a large share of small business websites, and while it is a capable platform, it accumulates weight. A typical business install stacks up plugins for forms, galleries, SEO, caching, analytics and security, each adding scripts to every page load. Add a heavy theme, unoptimised images, and shared hosting, and the site crawls.
Cheap Hosting
Shared hosting means your site competes for server resources with hundreds of others. When any of them get a traffic spike, you slow down. You are paying $5 a month and getting $5 performance.
Unoptimised Images
A single full-resolution hero photo straight off a camera or phone can be several megabytes — larger than an entire well-built page should be. On a mobile connection, your visitor watches a blank screen while it downloads.
Too Many Requests
Every script, stylesheet, font and image is a separate round trip to the server. Template-based sites routinely load dozens of resources that the current page never uses, because the theme includes them everywhere.
What Google Thinks About Your Slow Site
Google's Core Web Vitals are a direct ranking factor. Three metrics decide how your site is judged:
Largest Contentful Paint (LCP)
How long until the main content appears. Google wants this under 2.5 seconds. Plenty of template sites on shared hosting land at four to six.
Interaction to Next Paint (INP)
How quickly the page responds when someone taps a button. INP replaced First Input Delay in March 2024 — if your developer is still optimising for FID, they are tuning a metric Google retired. Heavy JavaScript from plugins and themes is what makes this sluggish.
Cumulative Layout Shift (CLS)
How much the content jumps around while loading. Ads, images without reserved space, and late-loading content cause the shifts that make people mis-tap and leave.
Fail these and you slide down the results. Your competitor with the faster site takes the position.
The Modern Approach
Frameworks Built for Speed
We build with React, Next.js and Astro — tools designed to ship the minimum a page needs. Instead of booting an entire CMS for every view, they generate lightweight pre-rendered pages.
Real Image Optimisation
Every image gets compressed, converted to a modern format like WebP or AVIF, and served at the size the device actually needs. A phone should never download a desktop-sized photo.
Edge Deployment
Rather than one shared server, the site is distributed across a global network. Visitors load from the nearest location.
No Bloat
No unused plugins, no heavy theme, no scripts nobody asked for. The result weighs kilobytes rather than megabytes.
You can see the output of this approach in our portfolio — those are all live client sites, and you are welcome to run any of them through a speed test yourself.
How to Check Your Own Site
- Run it through our free Website Speed Analyzer, which pulls real Google PageSpeed Insights data and explains what each result means
- Or use PageSpeed Insights directly for the raw score
- GTmetrix adds a waterfall chart showing exactly which resource is holding you up
If your mobile score is below 50, your site is costing you customers right now.
What to Do About It
Option 1: Optimise what you have. Compress the images, cut unused plugins, upgrade the hosting, add caching. This genuinely helps, but past a point you are putting bandaids on an architecture problem.
Option 2: Rebuild on something built for speed. More upfront investment, but you end up with a site that is faster, more secure, cheaper to maintain and easier to extend. That is what our web design work is built around, and an ongoing care plan is what keeps it fast afterwards — performance is not a one-time fix.
Speed Is Not Optional
Website speed is not a technical nice-to-have. Your visitors expect it, Google rewards it, and your lead volume depends on it.
If you want a straight answer about where your site stands, get in touch — the audit is free.
Ready to put these insights into action?
Get a free consultation and see how ProStart Solutions can help your business grow online.
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