Fixed-price web design packages, high-converting landing funnels, and continuous webmaster care. Built for speed, Core Web Vitals, and conversion.
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SESY.WEBSITE is the productized web design division of SESY.AI. We engineer high-converting Landing Pages, Business Systems, and E-Commerce storefronts with clear upfront scope, fixed-price tiers, sub-second Core Web Vitals, and ongoing webmaster custody.
Every web design, conversion funnel, and webmaster custody capability SESY.WEBSITE delivers — organized as the periodic table of digital services. Tap any Sesy.Element to explore technical specifications or request a custom package.
Hidden costs, slow page load speeds, unmaintained codebases, and missing conversion paths ruin web investments. Real business sites need fixed-price scope and senior engineering.
Getting trapped in hourly agency billing that doubles your website budget before launch.
Losing 40% of visitor traffic because bloated themes take longer than 3 seconds to load on mobile.
Launching a stylish brochure website that fails to capture leads, phone calls, or sales.
Websites left unmaintained after launch, becoming vulnerable to hacks and broken plugins.
Running ad campaigns to web pages without server-side tracking or conversion event data.
Renting proprietary website builders that lock your content and prevent easy site migration.
Three primary productized web tiers engineered for speed, conversion, and long-term reliability.
Single-page conversion engine engineered specifically for paid ad campaigns and rapid lead generation.
Complete multi-page company website presenting services, team credentials, and structured blog archives.
High-concurrency online store built on Shopify or WooCommerce with structured SKU cataloguing.
Eliminating heavy JavaScript bloat and optimizing images for instant mobile loading.
Ongoing maintenance ensuring your site stays online, secure, and updated every month.
Enterprise decoupled web architectures for ultra-fast, zero-technical-debt applications.
The exact web design frameworks, CMS engines, and servers powering our 39-domain network. Tap any chip for build details.
Landing Funnel Tier
Corporate Business Tier
E-Commerce Store Tier
90+ PageSpeed Guarantee
WebP Image Optimization
Zero Plugin Bloat
Embedded Lead Forms
WhatsApp Click-To-Chat
Server-Side Meta CAPI
Hardened CloudLinux 9 OS
Weekly Automated Backups
24/7 Uptime Supervision
Every web design engagement follows the same disciplined sequence. You always know which stage you are in, what comes next, and what deliverables you will receive.
A direct session with founder Josef Sánchez. We review your business model, select the ideal package tier, and finalize scope.
→ Fixed scope & fixed-price agreement.
Designing mobile-first layouts, structuring conversion funnels, and refining persuasive headline copy.
→ Approved visual wireframes and site layout.
Coding clean HTML/CSS/PHP, embedding forms, setting up server-side GTM containers, and tuning LCP speeds.
→ Production candidate built on staging server.
Testing mobile responsiveness, cross-browser compatibility, form webhooks, and 90+ PageSpeed scores.
→ Verified speed and conversion audit report.
Domain rDNS pointing, SSL activation, search engine indexing, and transition to ongoing webmaster care.
→ Live site running fast with active custody.
Anyone can install a heavy WordPress theme. Almost no one builds productized, sub-second web systems backed by 30 years of systems practice.
| 🏬 Commodity Template Designers | 🏛 SESY.WEBSITE Senior Practice | |
|---|---|---|
| Pricing Model | Open hourly billing with surprise costs | Clear fixed-price package tiers |
| Page Speed & Code Quality | Heavy, slow themes failing Core Web Vitals | Sub-second LCP speed & 90+ PageSpeed scores |
| Conversion Funnels | Static brochure pages without clear calls | Embedded forms, WhatsApp triggers & CRO |
| Analytics & Tracking | Missing or basic client pixels | Pre-installed Server-Side GTM + Meta CAPI |
| Ongoing Custody | Abandoned codebases vulnerable to hacks | Monthly Webmaster Care & CloudLinux 9 OS |
| Social Mission | Pure profit extraction | Revenues 100% fund free open libraries |
Not every business needs high-performance web engineering. These are the organizations that do.
Every node below runs on our own senior infrastructure, sharing integrated tracking, security, and AI capabilities.
Founder and senior systems architect of SESY.AI and SESY.WEBSITE. Thirty years across software engineering, systems architecture, DevOps, CI/CD, and AI strategy — plus a Master's in Library and Information Studies from UNAM, which is precisely why every website built here is structured, fast, and documented.
SESY.WEBSITE exists to democratize elite web engineering for micro, small, and growth businesses. That means productized fixed-price web packages backed by the same applied engineering discipline large enterprises pay dearly for.
When you order a package or book a call, you talk directly to the founder. This is not an outsourced template shop — it is a signature practice with a name on it.
Pick a time below and speak directly with Josef Sánchez. Free, no obligation, and you leave with a clear answer about what website package fits your business best.
Prefer to write first? 💬 WhatsApp +52 999 992 2040 · ✉️ hello@sesy.ai
Direct fixed-price web design & funnel consultation. Response within 24 hours.