Isaac · Creative Director, Aphelion
Updated September 22, 2026 · 6 min read
A website can look professional in every screenshot and still fail at its actual job. In practice, it's rarely one dramatic mistake, it's five specific, recurring ones, each measurable with a free tool, that each quietly cost a fraction of the visitors who would have otherwise converted.
Burying the call to action
A call to action that only appears once, at the very bottom of a long page, misses every visitor who decides before scrolling that far. Heatmap tools like Microsoft Clarity (free) show exactly how far down a page most visitors actually scroll, and on most service pages, fewer than half of visitors reach the bottom third. The CTA should repeat at natural decision points throughout the page, ideally after every section that answers a distinct objection, not exist as a single afterthought at the end.
Writing copy about the business instead of the visitor
Copy that opens with company history and credentials ('Somos una empresa con 10 años de experiencia...') before addressing what the visitor actually came looking for loses attention in the first few seconds, before the visitor ever reaches the part meant to convince them. Leading with the visitor's problem or the outcome they want, and only introducing the business as the answer to it a few lines in, holds attention far longer and gets to the CTA with the visitor already convinced instead of still deciding whether to keep reading.
Never testing on an actual phone
A site reviewed only on a desktop browser can hide layout problems, tiny tap targets under the 44-pixel minimum Apple and Google both recommend, or slow load times that only show up on a real mobile connection. Testing on an actual phone, on real mobile data instead of office wifi, catches problems a desktop review never will, since browser "mobile preview" modes simulate screen size but not real touch behavior or connection speed.
Giving the visitor too many competing options
A homepage with five different calls to action of equal visual weight (Cotiza, Síguenos en Instagram, Suscríbete al boletín, Agenda una llamada, Descarga el catálogo) forces the visitor to decide which one matters, and many will simply leave rather than choose. One primary action per page, with everything else visually secondary (smaller, less contrast, positioned lower), converts more reliably than a page trying to accomplish five goals at once.
Launching without any way to measure results
A site that launches without Google Analytics (GA4) or basic conversion tracking makes every future decision a guess instead of a data-backed call, there's no way to know which page, which headline, or which CTA is actually working. Setting up GA4 and a simple event for each conversion point (form submitted, WhatsApp clicked, phone number tapped) before launch, not weeks after, is what turns a site into something that can actually be improved over time instead of something judged purely on how it feels.
Frequently asked questions
Burying or diluting the call to action, whether because it only appears once at the very end, or because it competes with too many other options on the same page. A free heatmap tool like Microsoft Clarity usually makes this problem visible within the first week of use.
Yes, and it's more common than it seems. Visual design and conversion are related but different things. A site can look flawless and still fail to guide the visitor toward a clear action.
A quick audit helps: review the site on an actual phone (not the browser's preview mode), time how long it takes to load in PageSpeed Insights, and ask whether in the first five seconds it's clear what the visitor should do.
Not in most cases. Many of these mistakes get fixed with targeted adjustments to copy, visual hierarchy, and calls to action, without needing to rebuild the site from scratch.
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