Agence de développement web
Fondée par un ingénieur logiciel, O8 emploie les meilleurs développeurs seniors pour des services de développement web techniquement solides et pérennes.
- Vétérans de l'industrie de la haute technologie
- Meilleures pratiques en matière de DevOps
- Conception web et UX percutante et hautement utilisable
Web development that performs. Talk with an advisor.
Talk With An AdvisorWeb Development Agency
Websites Built to Convert, Not Just Impress
Most web development projects fail not because of bad code, but because performance, SEO, and conversion were treated as afterthoughts. O8 builds websites where development and marketing strategy are inseparable — so your site performs from day one.
- Full-stack development: Drupal, WordPress, headless, and custom builds
- Performance-first: Core Web Vitals, page speed, and accessibility baked in
- Conversion architecture: landing pages, CTAs, and forms designed to generate leads
Talk With An Advisor
Tell us about your web project
THE PROBLEM
Three Web Development Problems
That Cost You Leads and Revenue
Web development projects that look good but don't perform are expensive mistakes. Here's where most projects go wrong.
Slow Sites That Lose Leads Before They Convert
A 1-second delay in page load time reduces conversions by 7%. Most web development agencies treat performance as a final QA step — O8 treats it as an architectural requirement from discovery through launch. Core Web Vitals, caching strategy, and image optimization are non-negotiable parts of every build.
Launched and Then Lost in Search
Developers build sites; they rarely think about how Google crawls, indexes, and ranks them. Technical SEO — URL architecture, schema markup, redirect mapping, canonical tags, crawl budget — has to be planned before development begins, not retrofitted after launch when rankings have already dropped.
Beautiful Design, No Conversion Architecture
A site that wins design awards but generates no leads isn't a success. Conversion architecture — CTA placement, form strategy, landing page hierarchy, trust signals, and user journey flow — needs to be a development requirement, not an afterthought. O8 integrates marketing strategy into every build.
HOW IT WORKS
The O8 Web Development
Build Process
Every O8 web development engagement starts with a structured discovery phase that aligns your site architecture with your business goals before a line of code is written.
Technical Discovery & Architecture
We audit your current stack, integrations, and performance benchmarks. URL structure, content model, CMS selection, and hosting architecture are defined before design or development begins.
Design with Conversion in Mind
Wireframes and design mockups are reviewed against conversion principles — not just aesthetics. CTA hierarchy, form placement, trust signal positioning, and mobile experience are evaluated before development begins.
Development with SEO Built In
Schema markup, canonical tags, redirect maps, sitemap configuration, and Core Web Vitals optimization are part of the development sprint — not post-launch fixes. We deliver sites ready to rank from day one.
QA, Performance, and Accessibility
Every build goes through structured QA: cross-browser testing, mobile responsiveness, page speed benchmarking, WCAG accessibility checks, and form/integration verification before any launch conversation.
Launch + Ongoing Support
Zero-downtime launches with full redirect mapping. Post-launch monitoring covers Core Web Vitals, uptime, security updates, and conversion performance — so your site keeps improving after it goes live.
CLIENT RESULTS
Web Projects That Drive Business Outcomes
From large-scale CMS migrations to custom platform builds — websites designed to perform, not just look good.
HEALTHCARE
Ecumen
Enterprise CMS Migration · WordPress · Performance
Multi-site CMS migration → View Case Study
TECHNOLOGY
Datatrend Technologies
Platform Rebuild · UX Architecture · Conversion Pages
Full website rebuild + pipeline growth → View Work
ENTERPRISE
Ryan Companies
Enterprise Web Strategy · Multi-Business-Unit Development
Enterprise web strategy across service lines → View Work"O8 delivered a site that's fast, ranks well, and actually generates leads. The integration of SEO and conversion strategy into the development process was unlike anything we'd experienced with previous agencies."
WHAT CLIENTS SAY
Delivered On Time, Built to Last
"The O8 team understood both the technical requirements and our business goals. The site launched on time, performs exceptionally, and has become our top lead source."
"We'd been through two failed web projects before O8. The difference was their discovery process — they planned the architecture before touching design. No surprises at launch."
"Fast, accessible, and built for SEO from day one. O8's web development team treats performance as a baseline expectation, not an upgrade."
WHY O8
Development + Marketing
Under One Roof
Most web development agencies hand off to a marketing team after launch. O8 integrates both disciplines from discovery through ongoing optimization.
Performance-First Development
Core Web Vitals, image optimization, caching strategy, and server configuration are part of every build spec — not post-launch fixes applied after Google flags performance issues.
SEO Built Into the Architecture
Technical SEO is planned in discovery: URL structure, schema markup, redirect mapping, sitemap configuration, and crawl budget optimization. Your site is search-ready at launch.
Drupal and WordPress Experts
O8 is one of a small number of agencies with deep expertise across both Drupal and WordPress — including enterprise Drupal, headless architecture, and complex WP customization. We match the platform to the project, not the other way around.
Post-Launch Growth Partnership
O8's web development engagements connect to ongoing marketing services — SEO, content, paid media, and CRO — so your site doesn't just launch and stagnate. It improves every month.
FREQUENTLY ASKED QUESTIONS
Web Development Agency FAQs
Web development project costs range from $25,000 for focused marketing site builds to $150,000+ for complex enterprise platforms with CMS customization, integrations, and migration. O8 provides detailed scoping and transparent pricing after a discovery conversation where we understand your requirements, current stack, and business goals.
Timeline depends on project scope. A focused marketing site rebuild typically takes 8–12 weeks. A full enterprise CMS migration with custom development typically takes 16–24 weeks. O8 provides milestone-based project plans with clear deliverables at each phase so there are no surprises.
Yes. O8 has deep expertise in both Drupal (including enterprise Drupal 10, headless/decoupled architecture, and Acquia/Pantheon hosting) and WordPress (including custom theme development, WooCommerce, Elementor, and WP Engine hosting). We recommend the right platform based on your requirements — not what's easiest for us to build.
Yes — and this is a key differentiator. Technical SEO is part of every O8 web development project: URL architecture planning, redirect mapping, schema markup implementation, XML sitemap configuration, robots.txt setup, and Core Web Vitals optimization. We also offer SEO retainer services post-launch to build on the technical foundation.
O8 offers ongoing web support and maintenance retainers that cover security updates, performance monitoring, bug fixes, and content updates. Many clients also engage O8 for ongoing SEO, content marketing, and paid media services to drive traffic and leads to the new site.
Ready to Build a Website That
Performs as Well as It Looks?
Book a free strategy call. We'll review your current site, identify technical and conversion gaps, and outline what a high-performing web development project looks like for your business.
Get Your Free Web Strategy Call →RELATED SERVICES
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FREE ASSESSMENT
See Where Your Website Is Losing Revenue
The GrowthMap™ assessment identifies the biggest gaps between your current website and what a high-performing one could deliver — in 15 minutes.
Talk With An Advisor →What Is a Web Development Agency?
A web development agency builds, maintains, and optimizes websites and web applications for businesses. The best agencies don't just write code — they integrate development with strategy, SEO, performance engineering, and conversion optimization to produce websites that generate measurable business outcomes.
Web development agencies range from freelancers and small boutiques to full-service digital agencies. The critical differentiator isn't size — it's whether the agency treats your website as a marketing asset or a technical deliverable. O8 approaches every web development project as a revenue-generating system: designed to rank, load fast, convert visitors, and integrate with your marketing stack.
Drupal vs. WordPress: Choosing the Right Platform
The CMS platform decision is one of the most consequential choices in a web development project. O8 has deep expertise in both Drupal and WordPress and recommends based on your requirements, not platform preference.
Drupal is best suited for enterprise organizations that need granular content model control, complex role-based access, high-security environments, or multi-site management. Healthcare organizations, universities, and government agencies frequently choose Drupal for these reasons. WordPress is best suited for organizations that need flexible content management, a large ecosystem of plugins, lower development costs for standard functionality, and strong e-commerce capabilities via WooCommerce.
Why Performance Is a Development Decision, Not a Post-Launch Fix
Core Web Vitals — Google's performance metrics (LCP, FID/INP, CLS) — directly influence search rankings. A site that loads in 4 seconds loses 25% of its visitors before the page renders. Most web development agencies treat performance as a QA checkpoint at the end of a project. O8 builds performance into the architecture from discovery: image formats and lazy loading, CSS/JS optimization, server caching configuration, CDN setup, and database query efficiency are all planned before development begins.
Technical SEO as a Development Requirement
Sites that launch without a technical SEO plan lose ranking equity they can never fully recover. Common post-launch SEO problems — URL changes without redirects, missing schema markup, poor crawl architecture, slow page speed — are all preventable when SEO is treated as a development requirement. O8's web development process includes a technical SEO audit in discovery, redirect mapping before migration, and schema markup implementation during development.
