https://www.josuesomarribas.com/blogField notes on UX, experimentation, CRO and front-end engineering.enhttps://www.josuesomarribas.com/blog/guardrail-metrics-that-actually-protecthttps://www.josuesomarribas.com/blog/guardrail-metrics-that-actually-protectTue, 01 Sep 2026 00:00:00 GMTHow to define guardrails, tolerances, and decision rules before an experiment turns a local conversion win into broader product damage.https://www.josuesomarribas.com/blog/json-ld-examples-and-use-caseshttps://www.josuesomarribas.com/blog/json-ld-examples-and-use-casesTue, 01 Sep 2026 00:00:00 GMTA practical guide to 12 JSON-LD use cases, with working Schema.org examples, selection advice, validation steps, and the mistakes that make markup misleading.https://www.josuesomarribas.com/blog/statistically-significant-does-not-mean-ship-ithttps://www.josuesomarribas.com/blog/statistically-significant-does-not-mean-ship-itSun, 30 Aug 2026 00:00:00 GMTA practical framework for deciding whether an A/B test winner is large enough, reliable enough, and safe enough to implement.https://www.josuesomarribas.com/blog/why-i-left-framer-for-a-static-site-on-vercelhttps://www.josuesomarribas.com/blog/why-i-left-framer-for-a-static-site-on-vercelFri, 28 Aug 2026 14:00:00 GMTWhy I moved my portfolio from Framer to a file-backed static site on Vercel, what it really costs, what I gained, and what I gave up.https://www.josuesomarribas.com/blog/how-to-migrate-from-framer-to-a-static-site-on-vercelhttps://www.josuesomarribas.com/blog/how-to-migrate-from-framer-to-a-static-site-on-vercelFri, 28 Aug 2026 13:00:00 GMTA practical migration guide for moving a Framer portfolio and CMS blog into a versioned, file-backed static site deployed through Git and Vercel.https://www.josuesomarribas.com/blog/geo-vs-seo-ai-searchhttps://www.josuesomarribas.com/blog/geo-vs-seo-ai-searchFri, 28 Aug 2026 00:00:00 GMTA practical guide to SEO and AI search: content structure, citations without clicks, prompt tracking, analytics, and what visibility can actually be measured.https://www.josuesomarribas.com/blog/how-i-generate-natural-blog-audio-locally-for-freehttps://www.josuesomarribas.com/blog/how-i-generate-natural-blog-audio-locally-for-freeFri, 28 Aug 2026 00:00:00 GMTBuild natural blog narration locally with Kokoro, speech-ready scripts, pronunciation QA, automated MP3 export, and no paid voice API.https://www.josuesomarribas.com/blog/mutationobservers-without-panic-performance-guidehttps://www.josuesomarribas.com/blog/mutationobservers-without-panic-performance-guideFri, 28 Aug 2026 00:00:00 GMTA practical performance guide to MutationObserver, bounded polling, cleanup, idempotency, and choosing the right strategy for dynamic pages.https://www.josuesomarribas.com/blog/structural-seo-json-ld-framerhttps://www.josuesomarribas.com/blog/structural-seo-json-ld-framerFri, 28 Aug 2026 00:00:00 GMTA complete structural SEO workflow for Framer using JSON-LD, CMS fields, validation, llms.txt, sitemaps, and machine-readable article structure.https://www.josuesomarribas.com/blog/json-ld-for-case-studies-specific-schema-for-ux-portfolioshttps://www.josuesomarribas.com/blog/json-ld-for-case-studies-specific-schema-for-ux-portfoliosSat, 25 Jul 2026 00:00:00 GMTSchema.org has no CaseStudy type, so what should a UX portfolio use? A working JSON-LD recipe for case studies, with the honest limits of what schema buys.https://www.josuesomarribas.com/blog/the-cost-of-fouc-how-content-flicker-kills-test-validityhttps://www.josuesomarribas.com/blog/the-cost-of-fouc-how-content-flicker-kills-test-validityTue, 21 Jul 2026 00:00:00 GMTWhen users see the control for 300ms before your variant snaps in, your data is contaminated. Why flicker is a validity bug and how to fix it properly.https://www.josuesomarribas.com/blog/statistical-significance-for-skeptics-when-flat-data-is-a-success-signalhttps://www.josuesomarribas.com/blog/statistical-significance-for-skeptics-when-flat-data-is-a-success-signalFri, 17 Jul 2026 00:00:00 GMTMost A/B tests come back flat, and most teams read that as failure. What a flat result actually tells you, and the cases where it is the win itself.https://www.josuesomarribas.com/blog/the-squircle-in-mobile-cro-superellipses-and-cognitive-frictionhttps://www.josuesomarribas.com/blog/the-squircle-in-mobile-cro-superellipses-and-cognitive-frictionWed, 15 Jul 2026 00:00:00 GMTSquircles are everywhere in mobile UI, but do smoother corners reduce friction in buttons? What the geometry can and cannot promise for conversion.https://www.josuesomarribas.com/blog/designing-for-attention-degradation-ux-for-bags-sun-glare-and-3ghttps://www.josuesomarribas.com/blog/designing-for-attention-degradation-ux-for-bags-sun-glare-and-3gMon, 13 Jul 2026 00:00:00 GMTYour users hold a bag, squint at glare, and ride a 3G connection. A guide to designing for situational impairments instead of ideal lab conditions.https://www.josuesomarribas.com/blog/framer-localization-workflow-hreflang-and-multi-language-cmshttps://www.josuesomarribas.com/blog/framer-localization-workflow-hreflang-and-multi-language-cmsSat, 11 Jul 2026 00:00:00 GMTWhat Framer's localization automates, what it leaves to you, and how to run a bilingual CMS without breaking international SEO. Notes from a real site.https://www.josuesomarribas.com/blog/the-roi-of-ai-search-mentions-calculating-the-value-of-zero-click-brand-awarenesshttps://www.josuesomarribas.com/blog/the-roi-of-ai-search-mentions-calculating-the-value-of-zero-click-brand-awarenessThu, 09 Jul 2026 00:00:00 GMTAI assistants mention your brand without sending a click. A practical framework to estimate what those zero-click mentions are worth, with real data.https://www.josuesomarribas.com/blog/trust-is-designed-before-the-guest-arriveshttps://www.josuesomarribas.com/blog/trust-is-designed-before-the-guest-arrivesSun, 05 Jul 2026 00:00:00 GMTA practical look at Airbnb hosting, hospitality UX, guest messages, service boundaries, and the small details that shape trust.https://www.josuesomarribas.com/blog/reviews-are-not-just-feedback-they-are-public-ux-researchhttps://www.josuesomarribas.com/blog/reviews-are-not-just-feedback-they-are-public-ux-researchTue, 30 Jun 2026 00:00:00 GMTA practical look at Airbnb hosting, hospitality UX, guest messages, service boundaries, and the small details that shape trust.https://www.josuesomarribas.com/blog/the-risk-of-ai-visual-homogenizationhttps://www.josuesomarribas.com/blog/the-risk-of-ai-visual-homogenizationSun, 28 Jun 2026 00:00:00 GMTA grounded article on using AI in design without losing judgment, creative autonomy, accessibility, or brand differentiation.https://www.josuesomarribas.com/blog/airbnb-as-a-product-what-hosting-taught-me-about-user-experiencehttps://www.josuesomarribas.com/blog/airbnb-as-a-product-what-hosting-taught-me-about-user-experienceTue, 23 Jun 2026 00:00:00 GMTA practical look at Airbnb hosting, hospitality UX, guest messages, service boundaries, and the small details that shape trust.https://www.josuesomarribas.com/blog/the-first-five-minutes-of-a-stay-why-check-in-is-the-real-landing-pagehttps://www.josuesomarribas.com/blog/the-first-five-minutes-of-a-stay-why-check-in-is-the-real-landing-pageSun, 21 Jun 2026 00:00:00 GMTA practical look at Airbnb hosting, hospitality UX, guest messages, service boundaries, and the small details that shape trust.https://www.josuesomarribas.com/blog/avoiding-haunted-house-tag-managershttps://www.josuesomarribas.com/blog/avoiding-haunted-house-tag-managersMon, 15 Jun 2026 00:00:00 GMTHow custom JavaScript rules in tag managers become haunted, fragile, and risky, and how to keep them maintainable before production breaks.https://www.josuesomarribas.com/blog/l10n-is-not-translation-market-tone-urgencyhttps://www.josuesomarribas.com/blog/l10n-is-not-translation-market-tone-urgencyFri, 12 Jun 2026 00:00:00 GMTWhy localization is more than translation, and how adapting words, urgency, examples, and tone can change conversion across Spanish-speaking markets.https://www.josuesomarribas.com/blog/framer-mcp-ai-workflows-useful-nowhttps://www.josuesomarribas.com/blog/framer-mcp-ai-workflows-useful-nowThu, 11 Jun 2026 00:00:00 GMTA practical look at Framer MCP, AI website workflows, safe permissions, CMS automation, code components, and what not to automate yet.https://www.josuesomarribas.com/blog/guerrilla-research-low-traffic-validationhttps://www.josuesomarribas.com/blog/guerrilla-research-low-traffic-validationThu, 11 Jun 2026 00:00:00 GMTHow to use session recordings, five-user tests, and qualitative signals when your site does not have enough traffic for clean A/B testing.https://www.josuesomarribas.com/blog/complete-guide-to-ab-testing-cro-experimentationhttps://www.josuesomarribas.com/blog/complete-guide-to-ab-testing-cro-experimentationWed, 10 Jun 2026 00:00:00 GMTLearn experimentation strategy, statistics, research, QA, analytics, platform fundamentals, and ethical optimization in one practical guide.https://www.josuesomarribas.com/blog/how-to-send-a-new-batch-of-blog-posts-to-google-search-consolehttps://www.josuesomarribas.com/blog/how-to-send-a-new-batch-of-blog-posts-to-google-search-consoleWed, 10 Jun 2026 00:00:00 GMTA practical workflow for sending a new batch of blog posts to Google Search Console using sitemaps, URL Inspection, robots.txt, internal links, and Framer CMS.https://www.josuesomarribas.com/blog/idempotency-for-mortals-javascript-snippets-rerendershttps://www.josuesomarribas.com/blog/idempotency-for-mortals-javascript-snippets-rerendersMon, 08 Jun 2026 00:00:00 GMTPractical JavaScript patterns to keep A/B testing and tag manager snippets from duplicating UI, leaking DOM nodes, or breaking after re-renders.https://www.josuesomarribas.com/blog/how-to-import-content-into-framer-automaticallyhttps://www.josuesomarribas.com/blog/how-to-import-content-into-framer-automaticallySun, 07 Jun 2026 00:00:00 GMTA practical workflow for importing blog content into Framer CMS with CSV, HTML formatting, drafts, SEO fields, and localized Spanish content.https://www.josuesomarribas.com/blog/cro-when-you-don-t-have-the-traffic-optimizing-a-site-that-nobody-visits-yethttps://www.josuesomarribas.com/blog/cro-when-you-don-t-have-the-traffic-optimizing-a-site-that-nobody-visits-yetSat, 06 Jun 2026 00:00:00 GMTA practical approach to low-traffic optimization using larger changes, qualitative evidence, closer metrics, UX research, and informed judgment.https://www.josuesomarribas.com/blog/the-metrics-you-re-not-watching-are-the-ones-that-will-hurt-youhttps://www.josuesomarribas.com/blog/the-metrics-you-re-not-watching-are-the-ones-that-will-hurt-youThu, 04 Jun 2026 00:00:00 GMTA winning test can quietly break your funnel. How guardrail metrics catch the uplift that looks good in the readout and bad in the quarterly numbers.https://www.josuesomarribas.com/blog/how-to-do-user-research-for-travelers-the-complete-guidehttps://www.josuesomarribas.com/blog/how-to-do-user-research-for-travelers-the-complete-guideSun, 03 May 2026 00:00:00 GMTMaster user research for travel apps. Step-by-step methodology: recruitment, interviews, pattern identification, and A/B testing validation.https://www.josuesomarribas.com/blog/the-mistake-every-global-app-makes-and-how-bemobile-gets-it-righthttps://www.josuesomarribas.com/blog/the-mistake-every-global-app-makes-and-how-bemobile-gets-it-rightMon, 23 Mar 2026 00:00:00 GMTLearn how global apps maintain editorial coherence across multiple languages. Master localization strategy, avoid common mistakes, and scale content globally.https://www.josuesomarribas.com/blog/why-mobile-gets-83-of-your-traffic-but-desktop-converts-2x-betterhttps://www.josuesomarribas.com/blog/why-mobile-gets-83-of-your-traffic-but-desktop-converts-2x-betterFri, 20 Mar 2026 00:00:00 GMTWhy mobile conversion can lag behind desktop, how to diagnose the gap, and which CRO changes can reduce friction without relying on guesswork.https://www.josuesomarribas.com/blog/how-i-qa-an-a-b-test-before-it-goes-livehttps://www.josuesomarribas.com/blog/how-i-qa-an-a-b-test-before-it-goes-liveThu, 19 Mar 2026 00:00:00 GMTMy pre-launch A/B test QA process for variants, breakpoints, analytics, control integrity, flicker, and safe team previews in production.https://www.josuesomarribas.com/blog/javascript-i-write-every-week-in-an-a-b-testing-rolehttps://www.josuesomarribas.com/blog/javascript-i-write-every-week-in-an-a-b-testing-roleWed, 18 Mar 2026 00:00:00 GMTPractical JavaScript for A/B testing, from finding asynchronous elements to safe DOM changes, tracking, cookies, and variant assignment.https://www.josuesomarribas.com/blog/why-some-marketing-campaigns-convert-and-others-donthttps://www.josuesomarribas.com/blog/why-some-marketing-campaigns-convert-and-others-dontWed, 11 Mar 2026 00:00:00 GMTHow targeting, message continuity, landing-page UX, analytics, and offer clarity determine whether a marketing campaign converts or falls flat.https://www.josuesomarribas.com/blog/ux-is-semiotics-why-an-interface-is-a-system-of-signshttps://www.josuesomarribas.com/blog/ux-is-semiotics-why-an-interface-is-a-system-of-signsTue, 10 Mar 2026 00:00:00 GMTLearn how semiotics (Peirce, Saussure) explains icons, labels, color, and microcopy, plus 3 UX cases and a checklist to design clearer interfaces.https://www.josuesomarribas.com/blog/increasing-conversions-without-dark-patterns-a-strategic-approach-to-ethical-optimizationhttps://www.josuesomarribas.com/blog/increasing-conversions-without-dark-patterns-a-strategic-approach-to-ethical-optimizationTue, 24 Feb 2026 00:00:00 GMTA strategic guide to increasing conversions without relying on dark patterns, balancing performance, transparency, and long-term trust.https://www.josuesomarribas.com/blog/advanced-launch-rules-with-javascript-the-patterns-i-use-to-keep-them-maintainablehttps://www.josuesomarribas.com/blog/advanced-launch-rules-with-javascript-the-patterns-i-use-to-keep-them-maintainableThu, 18 Dec 2025 00:00:00 GMTPatterns for reliable Adobe Launch custom code, including reusable utilities, idempotency, error handling, observability, and performance.https://www.josuesomarribas.com/blog/ai-assisted-ui-design-faster-yes-better-not-alwayshttps://www.josuesomarribas.com/blog/ai-assisted-ui-design-faster-yes-better-not-alwaysMon, 08 Dec 2025 00:00:00 GMTA critical look at how AI accelerates UI design while introducing homogenization, bias, weaker context, and new demands on human judgment.https://www.josuesomarribas.com/blog/the-ux-tools-i-actually-use-as-a-ux-designerhttps://www.josuesomarribas.com/blog/the-ux-tools-i-actually-use-as-a-ux-designerWed, 26 Feb 2025 00:00:00 GMTThe UX and AI tools I use for research, visual exploration, writing, prototyping, and production—and where human judgment still matters.https://www.josuesomarribas.com/blog/text-only-landing-pagehttps://www.josuesomarribas.com/blog/text-only-landing-pageThu, 20 Feb 2025 00:00:00 GMTCreating a visually appealing and effective landing page using only text elements, focusing on typography, layout, and content hierarchy.https://www.josuesomarribas.com/blog/conducting-a-competitor-analysis-for-a-travel-platformhttps://www.josuesomarribas.com/blog/conducting-a-competitor-analysis-for-a-travel-platformMon, 17 Feb 2025 00:00:00 GMTIdentifying competitors to analyze their strengths and weaknesses, and find opportunities to make the travel platform unique.https://www.josuesomarribas.com/blog/how-user-research-shaped-my-travel-platformhttps://www.josuesomarribas.com/blog/how-user-research-shaped-my-travel-platformFri, 31 Jan 2025 00:00:00 GMTHow interviews, user-centered design, and real traveler needs shaped the questions, priorities, and product direction of a travel platform.