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Case study · Clean energy
An SEO-first website that put an EV network on the map
Voltline was expanding into new cities but was invisible on Google. We built a lightning-fast, content-rich platform with scalable city pages and lead funnels — growing organic traffic 2.8× in six months.

01 — The challenge
What stood in the way
Voltline’s old website was a single landing page with no location content, a 47 mobile performance score and no way to capture leads from fleets or property owners. Competitors dominated every “EV charging near me” search in the cities Voltline was launching in.
Project goals
- 01Rank for high-intent charging searches in 40+ cities
- 02Build separate funnels for drivers, fleets and hosts
- 03Score 95+ on Core Web Vitals across the site
- 04Give the marketing team a CMS they can scale without developers
02 — Discovery
What the research told us
first-page Google rankings in target cities
mobile performance score on the old site
cities with search demand but no landing page
03 — Approach
Strategy, then pixels
Keyword research across 40 target cities revealed huge demand for location-specific searches. We designed a template system where every city page pulls live charger data, local amenities and pricing — unique, useful content at scale.
The site is built in Astro with a Sanity CMS and deployed to Cloudflare’s edge, so every page ships almost zero JavaScript and loads in well under a second. Structured data, internal linking and a monthly content programme compound rankings over time.
- 1Discover
- 2Define
- 3Design
- 4Develop
- 5Launch & grow
04 — Design system
A visual language built to scale
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05 — Key screens
The finished website
Hover over (or scroll) the page to see the full homepage.




06 — Development
Engineered for speed
- Astro
- Sanity CMS
- Cloudflare
- Mapbox
- HubSpot
- Schema.org
- GA4
07 — Results
The impact
“They treated SEO and speed as part of the design, not an afterthought. Organic traffic nearly tripled in six months and inbound leads followed.”
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