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CEO

Eduardo Mendonça

Eduardo Mendonça is CEO of Periscopy.ai, an entrepreneur with a passion for business and technology. Eduardo writes about Product Development, AI Trends and Sales Strategy.

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Articles by Eduardo.

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GUIDES · How to appear in GeminiGemini plugs into the Google ecosystem, but the organic top 10 explains only 38% of citations in AI Overviews. Classic SEO as the entry ticket, schema and the Google listing, YouTube ahead of the citations, declared authorship, and why Gemini does not show up in Search Console.8 min readRead
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GUIDES · How to appear in PerplexityPerplexity always searches the live web and always cites. YouTube at 32.4% of citations, communities carrying weight, and 52% of citations linking to the source without naming the brand. What to do to be read, and to be said.7 min readRead
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GUIDES · How to advertise in ChatGPTChatGPT advertising reaches Portugal on 24 August 2026, along with the rest of the EEA and Switzerland. What changes for whoever sees it, what can be bought today and what cannot yet, and what to do this week so as not to arrive late.8 min readRead
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GUIDES · How to appear in Microsoft CopilotOf all the AI engines, Copilot is the one where the distance between what you do and what happens is shortest. The answers rest on Microsoft search, and the Bing index accepts being told what changed.7 min readRead
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GUIDES · Six commands to find out whether the AI can read your siteBefore asking why the AI does not cite you, confirm that it reaches the site. Six checks you run in the terminal in five minutes, with real output and what to do when each one fails.7 min readRead
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GUIDES · What to expect in the first 90 days with a GEO consultancyThe calendar we practise, week by week, and the three promises no consultancy controls in that window. A yardstick for any proposal.10 min readRead
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GUIDES · A GEO agency in Lisbon for B2B SaaS: how to decideFew suppliers have GEO as their main activity, and the names the engines return come mostly from classic SEO. What the location actually changes, and the criteria that separate.8 min readRead
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GUIDES · How to audit your brand's visibility in AIAn honest method for measuring whether AI assistants recommend your brand: questions, engines, metrics and the mistakes that invalidate an audit.9 min readRead
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GUIDES · How to choose a GEO consultancy for B2B SaaS in PortugalThe objective criteria for assessing whoever does AI visibility for B2B SaaS: a declared method, its own measurement, scope beyond the technical, and an SEO base.10 min readRead
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METHODOLOGY · What entity authority is, and why it decides whether the AI cites youBefore recommending a brand, an engine has to recognise it as an entity. Entity authority is the work of building that recognition, and it weighs most in the model's training memory.8 min readRead
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RESEARCH · Google made GEO official: legitimation with rulesOn 5 June 2026 Google named GEO and AEO as legitimate service categories in its documentation. The useful reading is not demotion, it is legitimation with rules.9 min readRead
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GUIDES · When GEO is not worth it: four blunt criteria for B2B SaaSGEO is not universal. Four criteria identify the companies for which waiting is the right answer, and all four are about the mechanism of the purchase, not the size of the company.7 min readRead
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RESEARCH · The day the search box stopped existingWhat Google I/O 2026 changed, and why organic visibility work in Portugal will have to be rethought.8 min readRead
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METHODOLOGY · How to measure GEO: citation rate, share of voice and mentionThree metrics to tell whether the GEO work is paying off: citation rate, share of voice and mention lift, with a methodology you can run in-house.7 min readRead
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METHODOLOGY · What llms.txt is and how to create yoursA practical specification of llms.txt, the markdown file at the root of the site that AI crawlers read before the HTML. Structure, rules, a real example and the mistakes to avoid.8 min readRead
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METHODOLOGY · Why your B2B SaaS does not appear in ChatGPTFive technical reasons your B2B SaaS company is invisible in ChatGPT, Claude and Perplexity, and what to do today to turn it around.9 min readRead