RESOURCES

Free resources for digital marketing professionals

Q: Is everything really free and without registration?

Yes. All content in the resources area is free and accessible without registration. We only ask for your email if you want to receive our monthly newsletter.

Q: Can I use the templates in my commercial projects?

Yes. The templates and dashboards are under a license that allows commercial use. We just ask that you don't resell the original resource as your own.

Q: How often do you publish new resources?

We publish articles every week and new downloadable resources every month. You can follow updates on our blog or newsletter.

Q: Do you accept guest article proposals?

Yes, we review proposals from professionals with demonstrable experience. Send us your proposal along with a short CV.

Q: Can I request a specific resource?

Yes, write to us and we'll consider creating it if it fits our editorial line. Many of our resources came from community requests.

Q: What languages are the resources available in?

The main content is available in Spanish, English and German. Some templates and dashboards are multilingual by default.

Glossary, guides, tools, dashboards and case studies. The knowledge we use daily, shared without barriers.

100+

Published articles

50+

Guides and templates

200+

Glossary terms

100%

Free, no signup

Browse by resource type

Five categories to help you find exactly what you need. From quick definitions to ready-to-use dashboards.

Glossary

Over 200 SEO, GEO, PPC and digital marketing terms explained with examples.

Learn more

Practical guides

Step-by-step tutorials on the disciplines we know best. Ready to implement.

Learn more

Insights

Analysis articles on AI Visibility, Google updates, and case studies.

Learn more

Tools

Calculators, Looker Studio dashboards and mini tools we've built.

Learn more

Case studies

Real results from real projects. Strategy, execution and learnings.

Learn more

Resource types

Four formats to learn at your own pace

Each format fits a different moment: from a quick lookup to an in-depth study.

Glossary Guides Case studies Tools

Glossary

Over 200 SEO, GEO, PPC, analytics and digital marketing terms. Clear definitions with examples and links to related content.

Learn more →

Guides

Step-by-step tutorials for implementing concrete techniques. From beginner to expert, depending on the guide.

Learn more →

Case studies

Real results from real projects. Context, strategy, execution and outcome. What worked and what didn't.

Learn more →

Tools

Dashboards, calculators and mini tools we use daily. Looker Studio, Sheets, GTM scripts.

Learn more →

Popular resources

Our community's favorites

The six most downloaded and most viewed resources. Start here if you don't know where to begin.

Complete dashboard for monitoring LCP, INP and CLS with real field data (CrUX). Includes a setup tutorial via GTM, direct code, and a Looker Studio template ready to clone. Over 5,000 downloads.

Learn more →

Everything you need to know about GEO. How it works, how to measure it, how to start optimizing for ChatGPT, Gemini and Perplexity. With real examples and recommended tools.

Learn more →

Template to make sure your relaunch doesn't lose traffic. Pre-launch, launch day and post-launch. Covers redirects, structured data, performance, indexing and monitoring.

Learn more →

How to implement hreflang correctly, common mistakes, validation, monitoring and advanced cases with ccTLDs. With real examples from international migrations.

Learn more →

The 30 most critical points of a technical SEO audit. Crawlability, indexing, structured data, performance and rendering. To fix what's urgent before what's important.

Google Sheets with formulas to rank keywords by intent, volume, difficulty and priority. Adapted to the B2B sales cycle (TOFU/MOFU/BOFU). Ready to copy and use.

Resources by your experience level

Three different paths, depending on where you are on your digital marketing journey.

Beginner

Glossary, introductory guides and basic concepts. Start by understanding the vocabulary and fundamentals of SEO, GEO and PPC.

Intermediate

Technical tutorials, ready-to-use templates, case studies and processes. For professionals who already master the basics and want to execute better.

Advanced

In-depth analyses, complex dashboards, proprietary frameworks and technical discussions. For experts looking to go beyond the standard playbook.

Featured resource

Core Web Vitals template for Looker Studio

A complete, free dashboard, ready to clone. It's the same one we use daily in our own projects.

Direct connection with CrUX and GA4

Includes a step-by-step setup tutorial via GTM and BigQuery. Real field data, not lab data. Filterable by device, country, template and date. Compatible with multiple GA4 properties at once. Over 5,000 agencies and SEO teams already use it in production.

FREE TOOLS

Mini tools you can use right now

Calculators and utilities we built for our own work and share without registration.

📊

CWV Dashboard

Looker Studio template for Core Web Vitals

🔗

Hreflang Validator

Check your implementations (coming soon)

🤖

AI Visibility Check

Measure your visibility in ChatGPT (coming soon)

📈

ROAS Calculator

Calculate your ROI per channel

🗂

ETIM Lookup

Search ETIM classes by name or code

📝

Meta Tag Generator

Optimized title and description

We share what we learn because knowledge grows when shared.

Manuel Riveiro

CEO de ZDS

Want new resources every month?
Subscribe.

Monthly newsletter with new articles, templates and case studies. No spam, no promotions.

Frequently asked questions

Is everything really free and without registration?

Can I use the templates in my commercial projects?

How often do you publish new resources?

Do you accept guest article proposals?

Can I request a specific resource?

What languages are the resources available in?

Need something custom-made?

We create custom resources for our clients.

Olesya Franiel

Head of SEO & AI

Want to work with us?
Let's talk.

If our resources are already useful to you, imagine what we could do working together on your project.

Free resources for digital marketing professionals

Browse by resource type

Glossary

Practical guides

Insights

Tools

Case studies

Four formats to learn at your own pace

Glossary

Guides

Case studies

Tools

Our community's favorites

Resources by your experience level

Beginner

Intermediate

Advanced

Core Web Vitals template for Looker Studio

Direct connection with CrUX and GA4

Mini tools you can use right now

Want new resources every month?
Subscribe.

Recent articles from our blog

The state of GEO in 2026

Core Web Vitals: INP changes

Hreflang in 2026

Frequently asked questions

Need something custom-made?

Want to work with us?
Let's talk.

Free resources for digital marketing professionals

Browse by resource type

Glossary

Practical guides

Insights

Tools

Case studies

Four formats to learn at your own pace

Glossary

Guides

Case studies

Tools

Our community's favorites

Resources by your experience level

Beginner

Intermediate

Advanced

Core Web Vitals template for Looker Studio

Direct connection with CrUX and GA4

Mini tools you can use right now

Want new resources every month? Subscribe.

Recent articles from our blog

The state of GEO in 2026

Core Web Vitals: INP changes

Hreflang in 2026

Frequently asked questions

Need something custom-made?

Want to work with us? Let's talk.

Want new resources every month?
Subscribe.

Want to work with us?
Let's talk.