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MD Estudio Creativo de Marketing Digital
Stack & technologies

Technology to connect
your business.

We develop websites with Next.js and Astro, mobile applications with Flutter and Firebase, and agents connected to WhatsApp and Instagram. Integrations follow your operation, available access and agreed scope.

01 · Websites and applications built around your operation

Web development

5 resources

Next.js

Websites and web applications with indexable pages, forms and private areas as required by the project.

Astro

Service websites, publications and multilingual pages, with interactivity where it is needed.

React

Interfaces for viewing, creating and updating information in web applications.

TypeScript

Development types and validation to keep data contracts clearer.

Tailwind CSS

Components for mobile and desktop that follow the brand's styles and themes.

02 · Development and publishing with defined requirements

Mobile applications

3 resources

Flutter and Dart

Applications from a shared codebase. Android and iOS each require their own configuration and testing.

Firebase Cloud Messaging

Notifications based on device permissions and the rules agreed for the application.

Google Play Console

Android release preparation and publishing, subject to store review and the account owner's requirements.

03 · Connecting access, information and processes

Data and integrations

6 resources

Firebase Authentication

Sign-in and account access using the providers enabled for each project.

Cloud Firestore

Application data with access rules and updates that follow the defined data model.

Firebase Realtime Database

Shared information, such as status and availability, when the workflow needs real-time updates.

Cloud Storage

Images, documents and other files with defined permissions and storage conditions.

Cloud Functions and Vercel Functions

Server-side validation, events and integrations. Regions, limits and costs are reviewed per project.

Node.js

Services, data imports and supporting scripts, with a project-specific version and maintenance plan.

04 · Assistants grounded in business information and rules

AI and messaging

5 resources

Claude API

Interpreting questions and drafting contextual responses, with validation and human handoff.

Gemini API

Text and image processing where the workflow requires it, with defined tests and limits.

WhatsApp Cloud API

Meta's official messaging, webhooks and templates, subject to account permissions, enablement and policies.

Instagram API

Messaging and event integrations authorised for the professional account. Available functions depend on granted permissions.

Vercel Cron

Scheduled tasks for agreed processes. Outbound messages follow the channel's rules and the business's policies.

05 · Connecting payment with the purchase process

Payments and commerce

3 resources

Payment gateways

We review the provider, account and enabled methods before integrating payments. Our mobile portfolio documents Wompi among its payment options.

Payment confirmation

We define how to validate transaction status before updating an order or booking, depending on the available integration.

Catalogues and orders

Products, availability and purchase status within the agreed scope. Inventory, shipping and ongoing operation are specified in the proposal.

06 · Using available data to make decisions

Marketing and measurement

6 resources

Google Analytics 4

Events and conversion journeys based on implemented tracking, permissions and available data.

Google Search Console

Reviewing crawling, indexing and organic performance. The tool does not guarantee that Google will index a page.

Meta Pixel

Campaign events where valid configuration and applicable consent requirements are in place.

Google Tag Manager

Tag and version management, with testing before changes are published.

Brevo

Forms, contacts and email within consent requirements, the provider's plan and the contracted scope.

Resend

Transactional email through a server-side integration and a configured domain.

07 · Keeping the brand consistent through delivery

Design and production

5 resources

Figma

Interface design, prototypes and components for reviewing the project before development.

Adobe Creative Cloud

Graphic design, editing and post-production using the applications required for each deliverable.

Canva

Editable templates when they are included in the service agreed with the client.

Lottie

Vector animations used where they help explain or navigate an interface.

Responsive images

Image variants and sizes to serve files suited to the available screen space.

Explore the scope of our website services, mobile applications and AI agents. Each service defines its deliverables and terms.

Documented projects

Real examples with each combination

Case study

Luna · WhatsApp AI Assistant

Next.js + Claude API + WhatsApp Cloud API + Firebase

View case

Case study

Mago del Color · Mobile App

Flutter + Firebase + Gemini Vision

View case

Case study

El Mago del Color · Website and bookings

Astro + Firebase

View case

What does your business need to connect?

We review your website, channels and the process you want to improve. Together we define deliverables, integrations, content access and maintenance before choosing the technology.

Let's talk about your projectSee our work

Performance in context

Speed needs evidence.

Core Web Vitals assess loading, responsiveness and stability. These references are evaluated at the 75th percentile of real visits, separately for mobile and desktop. They are recommended thresholds, not measured results for your website.

≤ 2.5 s

LCP · loading

When the page’s main content becomes visible.

≤ 200 ms

INP · responsiveness

How the interface responds to user interactions.

≤ 0.1

CLS · stability

How much content moves unexpectedly during a visit.

Lab tests and real visits

Lighthouse provides a lab score from 0 to 100; this is not a Core Web Vitals score. PageSpeed Insights can show field data when a sufficient sample is available. TTFB measures the arrival of the first byte and depends on the network, cache and server; it is not a Core Web Vital.

Measurement references: Core Web Vitals · Lighthouse scoring · Time to First Byte.

Before migrating

We review content, URLs, forms and integrations to define what to keep and what to change. Redirects, testing and handover terms are agreed in writing. Migration investment is scoped during discovery. Sign in to your MD account to review available service rates.

Frequently asked questions

What we get asked most

  • Which technologies does MD use for websites and applications?

    We work with Next.js, Astro, React and TypeScript for web development, and Flutter with Firebase for mobile applications. The choice depends on content, access, integrations and operational needs. Each project uses the tools it requires, rather than every item on this page.

  • Will I be able to edit my website's content?

    A content management panel is a defined deliverable when the project requires one. We agree on editable content, permissions, training and any license or maintenance costs. Using a framework does not automatically include a CMS or access to edit the entire site.

  • Will the application be published on Android and iOS?

    The proposal defines the platforms. A shared Flutter codebase needs configuration and testing on each operating system. Developer accounts, licenses, assets and store approval are reviewed separately. The documented El Mago del Color release is on Google Play.

  • Does changing technology guarantee a faster website?

    No. We review images, code, third-party resources, the server and device behaviour. Lighthouse provides lab tests; Core Web Vitals describe loading, responsiveness and stability for real visits. We define the measurements and comparison conditions before and after changes, without promising a universal score.

  • Can you migrate an existing website while keeping its structure?

    We first inventory content, URLs, forms and integrations. A migration includes agreed URL mappings and redirects, metadata review and testing. Investment is scoped during discovery; sign in to your MD account to review available service rates. A migration does not guarantee unchanged rankings or a universal speed improvement.

  • What is required to connect payments and messaging?

    We validate providers, accounts, permissions, payment methods, business rules and testing. Meta integrations may require verification, app review and template approval. The proposal identifies licenses, usage costs and commissions; third-party approval is outside MD's control.

  • Does an AI agent include all business automation?

    The agent uses approved information and defined actions. Booking, CRM, payments, reminders and human handoff require specific rules and integrations. The proposal separates implementation, operation and external costs, and defines when a person must take over.