WebCastelo blog

Knowledge to grow your business online

Practical WebCastelo guides about websites, SEO, Google Ads, AI visibility, conversion, e-commerce and growing a business online.

Editorial illustration of a faded page panel crossed by a search beam, representing an unindexed website

SEO

Why doesn't your website show up on Google?

Before spending money on content or ads, it's worth working out exactly where the problem sits. This guide follows the correct diagnostic order.

3 min read

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E-commerce

Online store in Portugal: what you need before launching

Selling online is more than putting products on a page. This guide covers catalogue, payments, shipping, legal information, conversion and maintenance before you launch.

3 min read

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Guides

How to choose a domain name for your business in Portugal

Your domain stays with your business for years, appearing on cards, invoices, adverts and email addresses. It deserves careful thought, not a rushed decision.

3 min read

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Business in Portugal

Do I need a website if I already have Instagram and Facebook?

Social media is great for getting your business known. The problem is what happens when it becomes your only channel. Here is what changes when you also have your own website.

3 min read

Guides

Google Business Profile: a guide for businesses in Portugal

A well maintained business profile generates calls, direction requests and website visits without paying per click. This is the step by step guide we use with clients.

3 min read

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Digital marketing

How to get more customers through your website

More visits isn't the same as more customers. This guide walks through the full journey, from your value proposition to measurement, with improvements any business can put in place.

3 min read

Editorial illustration of a growing crystal spiral next to an instant beam of light, comparing organic growth and paid advertising

Digital marketing

Google Ads or SEO: which is best for your business?

The honest answer depends on urgency, budget, competition and how much each customer is worth. Here are the criteria we use to decide with our clients.

3 min read

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Websites

Slow website? How speed affects Google rankings and your sales

Slowness costs you enquiries before it costs you rankings. We explain what makes a website slow, how it is measured and which fixes tend to bring the biggest results.

3 min read

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Websites

How much does a professional website cost in Portugal?

There is no single price. There is a set of factors that determines the work involved, and therefore the cost. We explain those factors so you can compare quotes with confidence.

3 min read

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Business in Portugal

Local SEO in Portugal: how to show up on Google in your area

If you serve customers in a specific area, local SEO usually delivers the best return of all. Here's what shapes local results and where to start.

3 min read

Editorial illustration of a planning grid with modules and checkmarks, representing preparation for a website project

Websites

New website: 12 mistakes to avoid before hiring an agency

Most website projects that go wrong don't fail in development. They fail in the decisions made before the contract is signed. These are the mistakes we see most often.

3 min read

Editorial illustration of a laptop and a phone with glowing layout blocks, representing a responsive professional website

Websites

Professional website: what should it have in 2026?

A professional website is not an online brochure. It is a sales tool that needs to be fast, clear on mobile, credible and measurable. Here is what it cannot do without.

3 min read

Editorial illustration of a network of connected nodes linked to a glowing answer panel, representing AI answer engines

Artificial intelligence

How to appear in ChatGPT and other AI systems

There is no button to submit a business to ChatGPT. What exists is a set of conditions that make a business easy to understand and cite for answer engines. Here they are.

3 min read

Editorial illustration of a cursor hitting a glass target, representing paid search campaigns

Google Ads and SEA

What is SEA and how does search advertising work?

SEA is advertising within search results. We explain how auctions work, cost per click, keywords, landing pages and conversion tracking.

3 min read

Editorial illustration of rising ranking bars next to a magnifying glass, representing search engine visibility

SEO

What is SEO and how does it work?

SEO is the work of making a website understandable, trustworthy and useful enough to appear in search results. We explain how Google discovers pages, what influences rankings and when it's worth investing.

4 min read