High-performance web engineering, lead funnels, TikTok Shop & Meta Pixel tracking, Google Merchant Console integration, and scientific knowledge archives. Senior Tech Lead execution on sovereign SESY.HOST infrastructure.
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SESY.SITE engineers high-performance web platforms, automated lead funnels, TikTok Shop synchronization, Meta Pixel CAPI tracking, Google Merchant Console feeds, and scientific archive systems. Built by senior Tech Leads, hosted on sovereign SESY.HOST infrastructure — designed and verified by senior experts since 1999.
Every web engineering, funnel, and tracking capability SESY.SITE offers — organized as the periodic table of digital services. Tap any Sesy.Element to explore technical specifications or request a private architectural consultation.
Slow load speeds, missing ad pixel tracking, disconnected social commerce feeds, and poor lead conversion paths destroy web investments. Real growth requires advanced web engineering.
Slow server response times and bloated code that destroy search rankings and cause 50%+ visitor bounce rates.
Client-side ad pixels blocked by browsers, making Meta, TikTok, and Google Ads run blind with zero accurate attribution.
Manual product entry errors that disconnect your website inventory from TikTok Shop and Google Merchant Console.
Websites with no clear conversion path, weak call-to-actions, and unoptimized lead forms that fail to capture inquiries.
Archives and scientific content buried in unindexed formats that search engines and AI web crawlers ignore.
Outdated plugins and unmanaged hosts that leave your brand vulnerable to hacks, downtime, and search blacklisting.
Nine core web engineering, conversion, and tracking disciplines delivered directly by senior subject-matter experts.
High-converting landing pages and multi-step funnels designed to capture qualified prospects and route them directly to your CRM.
Server-side tracking deployment ensuring 100% accurate conversion data for Meta Pixel, GA4, and TikTok Pixel.
Turnkey integration connecting your web catalog directly to social sales channels and search engines.
Archival-grade web architectures designed to index, store, and preserve scientific or institutional repositories.
Websites engineered to pass Google's strictest performance standards for top organic rankings.
Hosted on dedicated CloudLinux hardware, protected by CSF Firewalls, and backed by daily snapshots.
Decoupled content architecture powered by Payload CMS and Next.js for sub-second page loads.
High-concurrency e-commerce architectures built for frictionless checkouts and maximum customer LTV.
Structuring web content so AI search engines answer queries by citing your brand as the primary authority.
The exact technology powering our 39-domain sovereign network. Tap any chip to see how we deploy it for your web platform.
Psychology-Driven Sales Copy
Multi-Step Qualification
Automated CRM Lead Sync
Meta Conversion API (CAPI)
Server-Side GTM Containers
GA4 BigQuery Data Pipeline
TikTok Shop Catalog Auto-Sync
Google Merchant Center Feed
Meta Catalog Manager
UNAM-Grade Taxonomy
Schema.org JSON-LD Hierarchy
Audit-Proof Preservation
Sub-Second Page Load
Google Core Web Vitals 95+
Multilingual Hreflang (EN/ES/FR)
Hosted on SESY.HOST
Hardened CloudLinux 9 OS
CSF Firewall & AutoSSL
Every web engineering 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 map your audience, conversion goals, ad pixels, catalog feeds, and library requirements.
→ Clear web architecture and project roadmap.
Drafting conversion-focused sales copy, page wireframes, and schema taxonomies tailored for maximum engagement.
→ Interactive design prototype and approved messaging.
Coding the website, configuring server-side GTM tracking, establishing Meta CAPI, and building TikTok/Google Merchant feeds.
→ Fully functional staging environment.
Rigorous Core Web Vitals speed tuning, pixel event testing, form submission validation, and mobile responsiveness audits.
→ Verified production candidate ready for launch.
Domain cutover, SSL activation, live tracking verification, and ongoing monthly updates on dedicated SESY.HOST servers.
→ Active web selling machine driving leads & sales.
Anyone can assemble a static template. Almost no one engineers active web selling systems backed by 30 years of systems practice.
| 🏬 Template Web Designers | 🏛 SESY.SITE Senior Practice | |
|---|---|---|
| Conversion Design | Generic visual layout | Active funnel & lead capture engineering |
| Tracking Accuracy | Basic client-side pixels (blocked) | Server-Side Meta CAPI & GTM deduplication |
| Social Commerce Feeds | None or manual entry | Automated TikTok & Google Merchant feeds |
| Core Web Vitals Speed | Slow, bloated page builders | Sub-second LCP & 95+ PageSpeed scores |
| Archive & Library Support | Not supported | UNAM-grade scientific knowledge taxonomy |
| Hosting & Security | Unmanaged budget hosts | Dedicated SESY.HOST CloudLinux security |
Not every business needs advanced web systems architecture. 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, SESY.SITE, and SESY.HOST. 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 everything here is documented, catalogued, and reproducible.
SESY.SITE exists to democratize elite web engineering for micro and small businesses. That means the same architectural discipline large enterprises pay dearly for, delivered directly, without layers, account managers, or a script standing between you and the person doing the work.
When you book a call you talk directly to the founder. This is not a high-volume commodity agency — 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 your web architecture actually needs.
Prefer to write first? 💬 WhatsApp +52 999 992 2040 · ✉️ hello@sesy.ai