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Web & Product Engineering

Pantheraa builds high-performance websites, Shopify and headless storefronts, and web apps engineered for speed, accessibility and conversion. We treat your site as a growth asset. Instrumented, fast, and built to turn visitors into buyers or customers.

Fast, conversion-focused websites, Shopify & headless stores, and web apps, built as growth assets.

Site performanceSpeed & conversion, tracked
98Performance
LCP1.2s
CLS0.00
Accessibility100
2.4sfaster median load
+38%avg. conversion lift

Speed and Core Web Vitals are a growth lever, not a nice-to-have

A slow, bloated site quietly caps everything downstream, conversion rate, ad quality scores and organic rankings all suffer when pages lag. We build on modern stacks (Next.js, headless, Shopify) with performance engineered in from the first line: fast server rendering, lean assets, and Core Web Vitals that pass on real mobile devices, not just in the lab. The result is a site that loads instantly, ranks better, and turns more of the traffic you already pay for into enquiries and sales.

We build the software, not just the site

Because we ship our own martech products, we can take on genuine product engineering, web apps, portals, integrations and automation, not only brochure sites. When off-the-shelf software can’t do what your funnel needs, we don’t work around it; we build it. That means custom booking flows, CRM and WhatsApp integrations, dashboards and internal tools, delivered by senior engineers who also understand the marketing the software has to serve.

Engineered for SEO and conversion from day one

The build is where most SEO problems are either avoided or baked in for years. We wire in clean structured data, semantic markup, accessibility and analytics from the start, and design every template around a clear conversion path. So the site launches ready to rank and ready to convert, and hands over clean, documented and easy for your team to run, rather than needing a rescue six months later.

Choosing the right stack, and why it matters

Most website regret traces back to a platform chosen for the wrong reasons. A heavy template that looked easy but fights performance, or a builder that boxes you in the moment you need something custom. We choose the stack to fit the job: Shopify or headless Shopify for most commerce, where the ecosystem and checkout are hard to beat; modern frameworks like Next.js for content sites and web apps that need speed, flexibility and clean SEO; and lighter setups where a business simply needs a fast, credible presence. The test is always what performs and what you can grow into, not what is quickest to spin up.

Two commitments hold across every build. It is yours — you own the code and the accounts, with no proprietary lock-in you can’t leave. And it is maintainable — documented and clean, so your team, or the marketers running your SEO and campaigns, can move fast without an engineer in the loop for every change.

What’s included

Everything you need, delivered by senior specialists.

  • Conversion-focused websites and landing pages
  • Shopify, headless and custom e-commerce builds
  • Web apps and customer or buyer portals
  • Core Web Vitals, speed and accessibility engineering
  • Analytics, tracking and CRO instrumentation built in
  • Compliance-ready, secure architecture

Outcomes we drive

2.4sfaster median load
+38%avg. conversion lift
100%tracked, click to revenue

For real estate: fast, trustworthy project and listing sites with enquiry flows that turn visitors into booked site visits.

For hospitality: appetising restaurant and hotel sites with online-ordering and reservation flows that turn browsers into bookings.

For e-commerce: high-converting Shopify and headless storefronts engineered for speed, AOV and lifetime value.

How it works

A clear path from data to growth.

01

Audit & plan

We benchmark speed, UX and conversion, then map the build to revenue goals.

02

Design & build

Senior engineers ship a fast, accessible, on-brand site or store.

03

Instrument

Analytics, events and attribution are wired in from day one.

04

Optimise

We test and improve conversion against the data after launch.

FAQ

Web & Product Engineering — FAQ

How much does a website cost at Pantheraa? +

It depends on scope, but we give you a clear, fixed number on the first call along with a forecast of the return. Most builds are quoted as a fixed project plus optional ongoing optimisation.

Do you build on Shopify or custom code? +

Both. We recommend Shopify or headless Shopify for most e-commerce, and modern frameworks for custom web apps and content sites. Chosen by what performs best for your goals.

Will my site pass Core Web Vitals? +

Yes. Performance is a requirement, not an afterthought. We engineer for fast LCP, strong Core Web Vitals and accessibility, which also helps SEO.

Can you redesign a site without losing SEO? +

Yes. We migrate with redirects, preserve URL equity and improve technical SEO during the rebuild, so rankings are protected and usually improved.

Do we own the code, or are we locked into your platform? +

You own everything: the code, the accounts and the site. We don’t build on a proprietary platform you can’t leave, and we hand over clean, documented work your team can run.

Can you build web apps and integrations, not just websites? +

Yes, because we ship our own martech, we take on real product engineering: web apps, portals, booking flows, CRM and WhatsApp integrations and internal tools, built by senior engineers who also understand the marketing they serve.

HR
Reviewed by
Himanshu Ranjan · Founder & Lead Engineer, PantheraaLast updated 2026-09-03

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