Blog

Judgement, with sources.

Analysis on web design, brand, digital product and front-end. Every article starts from a dossier checked through four lenses and reviewed by the team before it goes live.

Guides · Premium web design

How a product design and development studio works

Aura is the product design and development studio of Cosmolabs OÜ. It combines software development, product design, quality assurance and consulting in four phases: discover, design, build and launch. Branding and web projects are delivered in six to twelve weeks; products, in eight-week phases with fixed pricing.

27 August 2026 · 3 min

Premium web design

Is WordPress still worth it in 2026? Real-world thresholds

WordPress is cost-effective starting at three editors, four posts per month, and fewer than two native integrations. Six measurable thresholds and a 36-month cost breakdown.

29 September 2026 · 1 min

Front-end technology

I have traffic but no sales: a 12-point diagnostic

Twelve checks to find out why your store gets traffic but no sales: measurement, final pricing, checkout, payments, and accessibility. With specific thresholds.

29 September 2026 · 1 min

Front-end technology

Redsys and Bizum for your store: fees and integration

Redsys does not charge you a fee: your bank does. Learn how the virtual POS is integrated, the limits of Bizum (€0.50–€5,000 on Stripe), and what information is actually public.

29 September 2026 · 1 min

Front-end technology

When to redesign your website: 7 measurable thresholds (2026)

Redesigning shouldn't be based on intuition. Seven thresholds with specific cut-offs: LCP, INP, mobile conversion, language support, accessibility, and maintenance.

25 September 2026 · 1 min

Front-end technology

WooCommerce or Shopify: the crossover point in Spain

The crossover point between Shopify and WooCommerce is calculated, not opined. Public prices and commissions verified on 08-27-2026, and the formula using your own figures.

25 September 2026 · 1 min

Premium web design

Redesigning your website without losing traffic or ranking

Complete guide: measure first, map your URLs, use 301 redirects, and compare at 7, 30, and 90 days. What is lost in a website redesign and how to preserve it.

25 September 2026 · 1 min

Premium web design

2026 Web Contract and Rights Assignment Template

Web design and development contract with intellectual property assignment, drafted clause by clause according to Spanish IP law. Includes annexes for GDPR, licensing, and handover.

22 September 2026 · 1 min

Premium web design

How much does an app cost in Spain: real costs 2026

An app carries three bills: building, publishing, and maintaining. Apple and Google fees, EEA commissions, 21% VAT, and SDK deadlines.

22 September 2026 · 1 min

Front-end technology

Can I build an app with €10,000? What is and isn't included

With €10,000 including VAT, you are left with €8,264 of actual work: a single-flow app, one platform, and minimal backend. What fits, what falls out, and what costs extra later.

22 September 2026 · 1 min

Front-end technology

How much do you really save with Flutter versus native? A measurement

The '30-50%' figure circulates without evidence. We measure savings by task: interface and logic yes, QA, publication, and maintenance no.

22 September 2026 · 1 min

Premium web design

What is a digital agent and how to choose yours

A digital agent is someone in the Kit Digital catalog who cashes your voucher. Adhesion proves minimum billing, not quality: choose based on the contract.

18 September 2026 · 1 min

Premium web design

Do I need a cookie banner with Cloudflare? The answer

Cloudflare does not mandate a cookie banner: its cookies are for security and load balancing, which are exempt under Article 22.2 of Law 34/2002. Your tools are what make a banner necessary.

18 September 2026 · 1 min

Front-end technology

Checklist: 47 checks before launching your website

The 47 checks we perform before moving a website to production: redirects, indexing, Core Web Vitals, accessibility, and Spanish legal requirements. In PDF.

18 September 2026 · 1 min

Front-end technology

Native, Hybrid, or PWA: Decision Matrix and Costs

When to choose a native app, hybrid app, or PWA: a three-column comparison table, Apple and Google fees, EU store commissions, and the actual cost in euros.

15 September 2026 · 1 min

Digital product (UI/UX)

Free AI-generated websites: why pay for one in 2026?

A free AI-generated website is enough to validate an idea. It stops being enough when you start selling: code ownership, Law 11/2023 compliance, Core Web Vitals, and 21% VAT.

15 September 2026 · 1 min

Front-end technology

Overlays do not make you EAA compliant: the evidence

No accessibility widget provides compliance with Law 11/2023. We review the FTC fine, the 2025 lawsuits, user studies, and what you should actually do.

15 September 2026 · 1 min

Front-end technology

How to write an article that AI cites: 11 rules

Eleven rules for getting your article cited by ChatGPT, Perplexity, and AI Overviews: one question per URL, a 60-word answer at the top, and dated figures.

15 September 2026 · 1 min

Premium web design

Access to the repository from day one: our policy

Your website's repository should live in your own account from the first commit, not from the date of delivery. It costs zero euros: we are publishing our policy.

11 September 2026 · 1 min

Premium web design

How to audit a web budget: 14 red flags

Fourteen checks for auditing a web budget in Spain: VAT, copyright transfer, performance thresholds, and 36-month real costs.

11 September 2026 · 1 min

Front-end technology

What is AEO and how does it differ from SEO and GEO

AEO is about optimizing for answer engines: being cited, not just linked. GEO is its generative subset; SEO is the underlying technical layer.

11 September 2026 · 1 min

Premium web design

Bespoke web, template, no-code, or AI: what you're actually getting

What you get with each option: code, portability, and exit costs. Including the fine print for Wix, Squarespace, and Webflow, and the Spanish Intellectual Property Law.

11 September 2026 · 1 min

Premium web design

Downloadable EAA Checklist 2026: 72 real checks

72 checks to verify if your website complies with the EAA in Spain: scope of Law 11/2023, WCAG 2.2 level A and AA criteria, evidence requirements, and downloadable CSV.

11 September 2026 · 1 min

Front-end technology

Check if your website is EAA-compliant: a 20-minute test

A 20-minute self-assessment to check if your website meets EAA standards: automated scanning, keyboard, and content checks, including issues that automated tools miss.

8 September 2026 · 1 min

Premium web design

Web accessibility and the EAA in Spain: who is required to comply in 2026

As of June 28, 2025, Law 11/2023 mandates accessibility for e-commerce, banking, and transport websites. Who is exempt, what is required, and how to verify compliance.

8 September 2026 · 1 min