SEO
My foundation since 2011. Architecture, crawling, indexing, performance and content for international online stores with thousands of URLs and multiple markets. From technical detail to strategy, always measured in business terms.
Jonathan Valenzuela
Digital Marketing
+15 years
of experience
Hi! I'm Jonathan Valenzuela, an SEO and digital marketing consultant. I've led SEO for brands like Massimo Dutti and Mango, and today I work on SEO, visibility in AI search engines, Google Ads and Meta campaigns, and the management that gets the strategy executed. Let's talk.
From technology to SEO
I'm Jonathan Valenzuela, an SEO and digital marketing consultant based in Barcelona. For more than 15 years I've worked on the search rankings of international online stores, with thousands of URLs and multiple markets, and I've led SEO at Massimo Dutti (since 2021) and Mango (2019 to 2021).
I started out tinkering with HTML, PHP, JavaScript and CSS, but it was SEO that really hooked me: watching a project grow in Google and turning that traffic into real business. During my time at Massimo Dutti, the site's visibility in Google has grown 4.7-fold (SISTRIX visibility index for Spain, August 2021 to October 2026).
I don't stick to a single way of working. I get into the technical detail when the project calls for it (crawling, indexing, architecture and performance) and step back to strategy when the big picture is needed. Always backed by data, never by hunches.
Today I support projects end to end: SEO in Google and visibility in AI search engines such as ChatGPT, Perplexity, Gemini and Google's AI Overviews, Google Ads and Meta Ads campaigns, UX and CRO, and organizing the work as a product owner (roadmap, backlog and Jira tasks) so the strategy actually gets executed. If a project needs the whole journey, I cover it, and if it only needs one piece, I contribute right there.
JONATHAN VALENZUELA
What I do
SEO for AI
I measure what ChatGPT, Perplexity, Gemini and Google's AI Overviews say about your brand and your competitors, and turn it into concrete changes on your site so they cite you more often and more accurately.
Paid Media
Google Ads and Meta Ads, connected: the keywords that convert on Google inspire the Meta ads, and the messages that work on Meta carry over to Google. I also help with creatives, from studying the competition to creating and editing them with AI when needed.
Product Owner
During my time at Massimo Dutti and Mango I've led teams with developers and QA: roadmap, backlog, tasks written and estimated in Jira, budget, testing and release to production. The whole flow.
UX and CRO
I look for what slows users down using behavioral data (GA4, Clarity) and Baymard's research: navigation, listings, filters and product pages. Less friction, more conversion.
Tailored proposal
Does your project need several of these pieces?
Let's talk →Case study: Massimo Dutti
×4.7
more visibility in Google since I joined
I joined in August 2021 with SEO stalled and a team that wasn't quite sure how to move forward. This is what we did, with every team working from the same plan.
▲ ×8.6 since the low
massimodutti.com Visibility index
SISTRIX · Spain 2.46 Aug 2021 · when I joined
1.35 Jan 2022 · lowest point
11.61 Oct 2026 · today
SISTRIX visibility index, Spain (desktop). One value per month.
Every August: 2021: 2.46 · 2022: 2.72 · 2023: 4.06 · 2024: 3.08 · 2025: 7.59 · October 2026: 11.61.
- Analyze
Use data to understand what was holding SEO back.
- Get everyone on board
With every team, not just marketing.
- Break it down by area
Who can actually do each task, and how.
- Explain it in their language
Developers need a different explanation than content or business teams.
All your marketing, in one dashboard
I don't work with loose PDF reports. Every client has their own suite where they can see in real time what we're doing, why we're doing it and what results it's delivering.
Every euro of spend, traced to the conversion
Reporting connected directly to the Google Ads account: campaigns, cost and conversions without layers of spreadsheets in between.
- Spend, CPC and cost per lead, up to date, campaign by campaign
- Real business conversions, not just clicks
- Full history to see trends, not isolated snapshots
Know what ChatGPT, Perplexity or Gemini say about your brand
AI search engines already influence purchase decisions. The suite measures your presence in their answers and turns it into an action plan.
- Tracking of brand mentions and citations by topic
- Comparison against competitors on the same questions
- Concrete actions to show up more often and be cited better
Organic performance always at hand, with context
No more waiting for the end-of-month report. The dashboard updates itself and every data point comes with what happened and what we're going to do.
- Clicks, rankings and coverage updated daily
- Segmentation by page type and by brand / non-brand
- Change annotations: every rise or drop has its reason
Your site's technical health, monitored continuously
Regular crawls of the whole site to catch indexing problems and technical errors before they cost the project traffic.
- Trends in total, indexable and non-indexable URLs
- Errors and redirects detected in every crawl
- Indexability status by site section
Creatives monitored before they wear out
Performance by campaign and by creative, with fatigue signals so ads get refreshed before costs spike.
- Results by creative with an ad preview
- Fatigue alerts: when an ad stops working
- Account changelog, everything gets logged
See what we're working on, in real time
A board shared with you: what's in progress, what's done and what's next. Full transparency on the time invested.
- Board by status and epic, visible to your team
- Comments and decisions on each task, no email chains
- Agreed priorities: you always know what's next
Project knowledge stays with you
Audits, guides and decisions organized in one place. If you ever switch agencies, all the work is still yours.
- Audits and studies always accessible, not in a lost attachment
- Implementation guides ready for your tech team
- Decision log: what was decided, when and why
Real dashboard with sample data from a fictional client (ACME).
Want a demo with your own data?
Let's talk →Tools
SEO tools I love
From the community and my own: Robots.txt TesterSearch Console % changeBulk SC RemovalInternal Link Checker Bookmarklet
Experience
I'm proud to have been part of leading companies, surrounded by talented professionals who have left their mark on my professional growth.
Digital Marketing Consultant
Freelance SEO, AI visibility, paid media and product. If a project needs the whole journey, I cover it, and if it only needs one piece, I contribute right there.
- SEO
- SEO for AI
- Paid Media
- Product owner
- UX and CRO
Available for projects Let's talk
Head of SEO
Global SEO for massimodutti.com (Inditex): strategy, roadmap and execution alongside the product, content and development teams, across dozens of markets and languages.
- Technical SEO
- Data analysis
- Content strategy
- Competitor analysis
- Strategy building
- Ecommerce team support
- Performance
- Product manager
Head of SEO
Web architecture, URL management and the kickoff of the SSR project, in a highly data and technology driven environment.
- Architecture
- Content
- Data analysis
- Product manager
Senior SEO · Grupo Intercom
Multiestetica's project for the Spanish market, within an SEO team organized by language and region.
- SEO
- Link building
- Market analysis
- Architecture
Adrenalina SEO Specialist
Colleagues
Nothing beats the opinion of the people I've been lucky enough to share projects with.
During his time at Mango, Jonathan showed excellent knowledge, both technical and strategic. He led his own team of SEO specialists, training them to be the best in their field. The best part? His attitude and good humor. It was truly a pleasure working with him. He's one of those people who leave a mark.
Mireia Minguez Carbonell Head of Performance Marketing & SEO We worked together at Mango · 2019-2021
I've been lucky to work with Jonathan for several years on various projects related to Massimo Dutti's SEO, and the experience couldn't have been more positive. Jonathan stands out for his deep SEO knowledge and a very rigorous, strategic approach. His work has always been impeccable, with a direct and measurable impact on site optimization and on the business's online organic growth. He is a professional with strong analytical skills and a clear business focus.
Oriol Paituvi CTO - IGM Web (Grupo Hotusa) We worked together at Massimo Dutti · 2021-2025
Working with Jonathan at Adrenalina was one of those experiences that leave a mark. He always brought a clear, results-focused strategic vision, with an admirable ability to connect the technical with the creative. His approach to SEO, always backed by data and common sense, made a real difference in our projects. What's more, he's someone who's a pleasure to work with: approachable, solution-oriented and always ready to help. Without a doubt, one of those profiles that lift any team.
Marcos Herrera Head of SEO at Adevinta We worked together at Adrenalina · 2014
From the moment Jonathan joined the Inditex group, he brought distinctive value to SEO thanks to his highly qualified profile and extensive ecommerce experience. I've always said it: I consider him one of the best technical SEOs I've had the pleasure of working with. Without his contribution, many of the group's projects would most likely not have succeeded.
César Malo Head of SEO at Zara We worked together at Grupo Inditex · 2021-2025
Working with Jonathan is a constant learning experience. His strategic vision and technical skills turn any challenge into an opportunity, delivering outstanding results. What's more, his creativity and commitment make him a collaborator who innovates on every project.
Andrea Baggio Director at SEO SHERPA We worked together at Grupo Intercom · 2017-2018
Jonathan has shown a great capacity for commitment and hard work. On top of his solid SEO knowledge and experience, he brings teamwork skills, task management and great empathy. It was a real pleasure to have him on my team and to work with him.
Carlos Redondo SEO, Audience and Digital Marketing Consultant We worked together at Grupo Intercom · 2017-2018
I've been working with Jonathan at Massimo Dutti for almost 5 years, and he has been a key part of the project. I'd highlight his level in technical SEO, his ecommerce experience and his vision of today's digital ecosystem. Day to day, he has always been there: he listens, adapts and helps make sound decisions. On top of that, the way he prioritizes and anticipates problems has been key to driving SEO growth internationally.
Jesús Giménez Cortés Senior Frontend Developer at Concentrix We worked together at Massimo Dutti · 2021-2025
I had the pleasure of working with Jonathan for 3 years, and in that time I was lucky to get to know both a great professional and a great person. Jonathan has very solid knowledge of SEO in all its facets, with a strategic approach clearly focused on results and strong analytical skills. Beyond the technical knowledge, I'd also highlight his communication skills, which make working with him easy and very pleasant. If anyone is looking for an SEO professional for their project, Jonathan is without a doubt one of the first people I would recommend, for his knowledge, his communication and, above all, the results he achieves.
Stefano Sacchi SEO at lastminute.com We worked together at Grupo Intercom · 2017-2020
Translated from Spanish
