+ Education · Mayo 2025
Websites and the Importance of UX, UI, and Programming
Whether it's a website, microsite, or landing page, web design, UX, UI, and programming are key to helping your website connect and sell. Here, we explain what these concepts mean and why they matter.

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The website is still your digital foundation
At Alterno Agency, we've spent more than 15 years creating and managing websites for clients in Puerto Rico and beyond. During that time, we've seen everything evolve: technologies, platforms, and web design trends. But one thing hasn't changed: your website is still the central foundation of your digital presence.
Even though everything these days seems to revolve around social media, artificial intelligence, apps, and automation, the reality is that even the most modern platforms ultimately lead you back to a website.
Has this happened to you? You're using an advanced app on your phone, like Netflix, Spotify, or Airbnb, and at some point the system tells you: "To make this change, please access your account on the website." The website is still the business's home base and headquarters, where accounts, subscriptions, data, and essential processes are managed. While mobile and responsive websites have come a long way, today more than 60% of global web traffic comes from mobile devices (Soax, 2024; Exploding Topics, 2024), and on some of the websites we manage at Alterno Agency, we've seen mobile traffic reach as high as 85%.
Even so, the desktop version remains the most complete and robust hub. It's where users can access all functionality without the limitations of screen size or certain mobile interfaces. Mobile makes things easier, but desktop is still where brands centralize and control their digital operations.
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First things first: What types of websites are there, and what are they for?
Although the terms are often used interchangeably, not all websites are the same or serve the same purpose. Here are the differences you should understand:
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Website
Your digital headquarters. It's home to your brand, business information, full range of offerings, SEO strategy, blog, campaigns, and reputation. It's your most important digital asset. Long lifespan.
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Microsite
A mini-website for a specific purpose: launching a product, campaign, or promotion. Limited lifespan. It delivers a clear, direct, tactical informational message.
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Landing Page
A single page with a specific goal: capturing leads, generating sales, or booking appointments. Highly focused on action and conversion.
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E-Commerce
A digital store that lets you sell products or services directly online. It integrates catalogs, shopping carts, payment platforms, and inventory systems. It can be a complete website or part of a larger one, but its focus is always on transactions and online sales.
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Web-Based Platforms or Solutions
Robust systems: CRMs, appointment systems, educational platforms, and complex e-commerce solutions. Many run on the web and are accessible through a browser, even if they have an app.
Examples: Netflix and Spotify have apps, but their websites remain functional and necessary for registration, account settings, payments, technical support, and more.
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Design isn't just aesthetics, it's creative direction.
When we talk about web design, we're talking about the visual, creative, and strategic direction of the entire digital ecosystem: colors, typography, styles, images, and icons. It's what gives your brand visual cohesion and creates consistency across your website, social media, email, and presentation.
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UX (User Experience): Experience is everything.
UX isn't graphic design. UX is strategy, logic, empathy, data, and human behavior. It's about thinking through how your customer navigates your website, finds what they're looking for, and achieves their goal without frustration.
Good UX is like walking into an organized store with clear signs, open aisles, and an easy path to checkout. Bad UX is like entering a place with no map or signs, where you can't find what you're looking for.
On a website, UX means:
Clear navigation
Easy-to-understand menus
Simple forms
Logical processes
Minimal friction
Fewer steps
Good UX increases conversions and satisfaction. Bad UX drives your customers away.
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UI (User Interface): It's not just “pretty,” it's functional and strategic.
UI is visual design, but it's not the same as the website's overall design. UI is the specific visual layer that shapes how users interact with your website. It ensures buttons are where they should be, contrast supports readability, icons are intuitive, and the experience is enjoyable.
While visual design creates the identity, UI creates the visual functionality that delivers on the UX. Good UI is the difference between a button that invites a click and one that goes unnoticed.
On a website, UI means:
Clear, accessible buttons
Proper contrast for readability
Typography that's easy on the eyes
Thoughtful visual hierarchies
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Programming: The invisible muscle that makes it happen.
In our experience, we've found that many people believe designing a website involves some kind of magical printer that turns the design into a functioning website the next day. Spoiler alert: it doesn't exist.
This is where programming comes in. But what is it?
Programming is the collection of languages and code that brings any website, app, or digital platform to life. It's what connects the visual with the functional.
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Basic web development languages:
HTML, CSS, JavaScript: The foundation of any website. Structure, styling, and interactivity.
PHP, Laravel (a robust framework): For robust, custom projects.
React, Angular: Interactive solutions, SPAs (Single Page Applications), and dynamic platforms.
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CMS Platforms (Content Management Systems):
These systems make creating websites easier and faster, without having to code everything from scratch:
WordPress: The most popular and flexible. From blogs to complex portals.
Shopify: Focused on e-commerce and quick to implement.
Drupal: Robust and technical, ideal for institutions or complex projects with much greater security.
These CMS platforms let you easily manage content, stores, blogs, and forms without relying entirely on advanced programming.
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Why does all of this matter so much?
Because your website isn't just your storefront, it's your business operating digitally. Bad UX costs you leads. Bad UI makes you look outdated. Poor programming makes you slow, insecure, and invisible to Google.
Studies confirm it: 75% of users judge a business's credibility based on its website (HubSpot - Website Statistics), while 88% won't return to a website after a bad digital experience (Forbes - Why Bad Websites Drive Customers Away). Google also penalizes your rankings if your experience isn't clear, fast, and secure. (Search Engine Journal - Google UX Ranking)
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What have we learned at Alterno in 15 years?
That nothing replaces a well-built website. That's why we've worked on websites and platforms for:
Universidad Politécnica de Puerto Rico
Aba Depilación Láser
Ferrero (Ferrero, Nutella, Tic-Tac, Crunch)
Grupo Ferré Rangel
Puerto Rico Medical Defense Insurance Company (PRMD)
Asociación de Relacionistas de Puerto Rico (ARPR)
Easeway
Professional Market Research, Inc. (PMR)
OPTI Manufacturing
And many other brands like these that understand a beautiful website isn't enough; it needs real expertise behind it. Ultimately, every project shares the same truth: without UX, UI, and good programming, the website won't work the way it should.
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Conclusion: Everything is connected.
UX is experience. UI is perception and visual functionality. Design is identity. Programming is how it works. A website is strategy.
Together, these elements help your customers find what they're looking for, do it easily, come back, and recommend you. That's what we do at Alterno. We help brands be where their customers are, with the right experience, at the right time.
Transform your brand with Alterno Agency.
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Reference sources and recommended reading:
HubSpot. (2024). Website Statistics: Data That Proves Why Your Website Matters. Available at: https://blog.hubspot.com/marketing/website-statistics
Forbes. (2023). Why Bad Websites Drive Customers Away. Available at: https://www.forbes.com/sites/forbesbusinesscouncil/2023/05/24/the-importance-of-a-strong-website-in-2023/?sh=623222173eaa
Search Engine Journal. (2024). Google UX Ranking / Page Experience Update. Available at: https://www.searchenginejournal.com/google-page-experience-update/
Soax. (2024). Mobile Website Traffic Statistics 2024. Available at: https://soax.com/research/mobile-website-traffic
Exploding Topics. (2024). Mobile Internet Traffic Statistics 2024. Available at: https://explodingtopics.com/blog/mobile-internet-traffic
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