Web ROI Calculations, Is Your Website Earning Its Keep?
By Earl Rennie, Director of Digital Strategy
4 min readFirst published . Rewritten .
Website ROI is your net gain from the site divided by what you invested in it. Take the revenue your website helped produce, subtract everything it cost to build and run, then divide by that cost. Ecommerce stores can measure this directly. Every other website needs its key performance indicators defined first. Five factors decide the answer.
A website is one of the most effective tools a business can own, and one of the easiest to misjudge. Spend too little and the site costs you sales through bad first impressions. Spend too much on the wrong things and you have an expensive brochure. The way out of both traps is the same, calculate the return, not just the cost.
Often your website provides the first impression of your business and acts as a 24-hour salesperson. A bad website makes a bad first impression, and a bad first impression rarely gets a second chance. That is exactly why the maths matters.
The Simple Formula.
Take the sales increase your website produced, subtract the cost of the investment, and you have your net gain. Divide that net gain by the cost of the investment and you have your ROI. A site that cost TT$20,000 and produced TT$60,000 in attributable gain returned 200 percent. The formula is simple. The work is in knowing what to count, which is where the five factors below come in.
Ecommerce Makes It Easy.
An online store measures itself. Revenue flows through the checkout, so your gain is right there in the sales reports, and every improvement you make to the store shows up in the same numbers. If you sell online, your ROI question is less about measurement and more about improvement, which is the entire discipline of conversion rate optimization.
Everyone Else Needs KPIs First.
If your website does not sell directly, define what it contributes before you try to measure it. Maybe sales close offline but start with a form fill, a call request or a downloaded guide. Maybe the site saves staff hours by answering the questions people used to phone in. Give each of those contributions a dollar value, count them, and your gain column fills in fast. A qualified lead that closes 20 percent of the time at TT$5,000 average value is worth TT$1,000 the moment it lands.
The Five Factors That Decide Your ROI.
The cost of building the site comes first, design, development, content and setup. Our cost guide covers what those figures look like locally.
The cost of maintenance comes second, updates, security, backups and support, month after month. A cheap build with expensive upkeep is not cheap.
Lifespan is third. Websites typically last three to four years before a redesign. A site that needs replacing in eighteen months just doubled its real annual cost.
Conversion rate is fourth, the percentage of visitors who take the action you care about. Design and content move this number directly, and it is the single biggest lever on the whole calculation.
Traffic is fifth. Visitors have a cost too, whether you pay for them with ads or earn them with SEO and content, so count your marketing spend on the same ledger.
What the Answer Tells You.
Run the numbers once and you will know whether your website is an asset or an expense. Run them every quarter and you will know exactly where to invest next, better content, faster pages, more traffic or a stronger conversion path. That discipline, more than any redesign, is what separates websites that earn from websites that just exist. If you would like a second pair of eyes on your numbers, we are happy to look.
