Your competitors write articles.
You can give users a tool.
An article describes a problem. An app solves it. The difference in user behaviour is enormous. Someone using a calculator for 8 minutes sends Google a completely different signal than someone who closed an article after 45 seconds. Google knows. And rewards it.
Dwell time is a strong SEO signal. A user playing with a calculator stays 8+ minutes. An article — 45 seconds.
A construction cost calculator is used by someone actively looking for a contractor. An article is read by someone who is still just considering it.
An article can be rewritten. An interactive tool requires months of work — a barrier to entry for competitors.
A calculator ranks for "calculator + industry" phrases that articles will never capture. Zero competition, high intent.
Projects and their results
TOP 2 Google in days — because competitors have PDFs, we have 3D
Construction machinery · 3D crane load capacity calculator
Construction machinery industry. Every competitor had the same PDFs with parameter tables. Specialists need to know how much a crane lifts at a given reach — and nobody was giving them a tool. Just data in a table.
Interactive 3D calculator in the browser. The user slides the reach, changes the load — the crane model updates in real time. Data based on real parameters of top manufacturers. One tool that does what no competitor offered.
An MMA industry portal dominated a niche held by giants for a decade
Sportywalki.com.pl · case study →Marcin ran an MMA accessories shop in a niche dominated by companies active for over 10 years. Classic marketing — ads, product SEO — couldn't break through the authority of the old players. He needed a different way into the market.
Instead of fighting the giants head-on — we built an MMA portal with a sports club search engine. An interactive map, filters by discipline and location. The site educated users and funnelled them to the shop. It was his "third site" in a multi-brand ecosystem.
Mockup & visualisation generator — lead in exchange for value
Adra Paintings · case study →The user uploads their own image, applies it to an interior template and sees how it would look on a wall. The finished visualisation is downloaded after providing an email. More effective than a contact form — the lead appears at the moment of decision, not before. The whole thing built natively in WordPress without external APIs.
Interactive project map — natural local SEO from every pin
Service company with nationwide reachA static list of projects replaced by a map with AJAX filtering by discipline and location. Each marker leads to a service subpage. Result: the site began ranking for "service + location" phrases that competitors had previously captured. Natural internal linking without a single backlink.
Comparator with PDF export — lead from the highest buying stage
Machinery and equipment industryA crane comparator with attribute filters. The user selects models, exports a summary to PDF. The PDF is delivered by email — the company gets a lead at the moment when someone is actively comparing models before purchasing. The best possible intent.
Custom WooCommerce dashboard — store admin without WP Admin
Podsztanga.pl · case study →A dedicated panel for the store owner — a custom view of orders, statuses and history instead of the default WP Admin. Integration with the WooCommerce database. Order handling done in half the time.
Why an app beats an article
Describes a problem. The user reads for 45 seconds and leaves. Google sees a high bounce rate. An article can be copied — a competitor does it over a weekend. Informational phrases, low purchase intent. Loses relevance after 6–18 months.
Solves a problem. The user engages for 8–12 minutes. Google sees high dwell time = quality. Copying it requires months of work. Transactional phrases with high intent. The first app in a niche dominates for years.
Types of applications I build
Calculators & configurators
Online tools that answer user questions in real time. Pricing calculators, product configurators, ROI calculators. They rank for phrases with high purchase intent.
- 2D and 3D calculators
- Product configurator
- ROI / savings calculator
AJAX searches & filters
Dynamic searches with filters without page reloads. They shorten the path to a product and increase the number of interactions. A standard that is still missing from most sites.
- AJAX filtering
- Product search
- Filtered catalogue
Interactive maps
Project maps, dealer finder, branch finder. Each map point is a separate subpage — natural internal linking and ranking for local phrases.
- Project map
- Dealer finder
- Branch finder with filtering
Generators & online tools
Tools that generate unique value for the user: mockups, visualisations, reports. A next-generation lead magnet with email gate.
- Mockup generator
- Quote generator
- Email-gated tools
SaaS apps & dashboards
Custom applications with authentication, client panels and dashboards. Built in Next.js with a full backend or as a WordPress extension.
- Client panel
- Reporting dashboard
- Login-based app
Integrations & automations
Connecting existing systems with new tools. Integrations with CRM, ERP, external APIs. Automations via Make.com, Zapier, n8n.
- Integracje API
- Automatyzacje Make.com / n8n
- Webhook i data sync
Tech stack
- Next.js 15
- React 19
- TypeScript
- App Router
- Custom PHP
- Elementor
- ACF
- REST API / WPGraphQL
- Three.js (3D)
- Leaflet.js (maps)
- Chart.js
- D3.js
- MySQL
- PostgreSQL
- Supabase
- PHP
- Make.com
- n8n
- Zapier
- Webhooks
What clients say
Współpracujemy z panem Maxem przy mniejszych i większych projektach i jesteśmy zawsze bardzo zadowoleni z realizacji. Te…
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Max Mazurkiewicz
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