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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.

Client
Voltline
Industry
Clean energy
Timeline
6 weeks + ongoing
Year
2024
Services
SEO strategy · Content architecture · Web design · Astro development · Lead generation
Platform
Astro, Sanity, Cloudflare
Voltline homepage designed by The Fast Designs
2.8×organic search traffic
+179%inbound leads
99mobile performance score
46city pages ranking on page one

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

  1. 01Rank for high-intent charging searches in 40+ cities
  2. 02Build separate funnels for drivers, fleets and hosts
  3. 03Score 95+ on Core Web Vitals across the site
  4. 04Give the marketing team a CMS they can scale without developers

02 — Discovery

What the research told us

0

first-page Google rankings in target cities

47

mobile performance score on the old site

40+

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

Night#05110B
Volt#C6FF3D
Teal#2EE6A6
Mist#F2F3F7
Aa
HeadingsSpace GroteskBodyInter

ABCDEFGHIJKLMNOPQRSTUVWXYZ
abcdefghijklmnopqrstuvwxyz 0123456789

05 — Key screens

The finished website

Hover over (or scroll) the page to see the full homepage.

Full Voltline homepage design
Voltline mobile screen 1
Voltline mobile screen 2
Voltline mobile screen 3

06 — Development

Engineered for speed

  • Astro
  • Sanity CMS
  • Cloudflare
  • Mapbox
  • HubSpot
  • Schema.org
  • GA4
Lighthouse (mobile)BeforeAfter
Performance4799
Accessibility68100
Best practices75100
SEO70100

07 — Results

The impact

Voltline results before and after launch
2.8×organic search traffic
+179%inbound leads
99mobile performance score
“They treated SEO and speed as part of the design, not an afterthought. Organic traffic nearly tripled in six months and inbound leads followed.”
DO
Daniel OkaforCEO, Voltline

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