How We Keep Studio Sites Fast on Cloudflare Pages

Fernside's technical approach to fast marketing sites: Astro, Cloudflare Pages CDN, and minimal JavaScript for better conversion and Core Web Vitals.

7 min read
Liam Orrill
How We Keep Studio Sites Fast on Cloudflare Pages

Speed isn’t a vanity metric for SMB marketing sites—it’s the foundation of conversion. Every 100ms delay costs attention, trust, and qualified leads. Here’s how Fernside Studio approaches performance through our technical stack and hosting choices.

Why Speed Decides Conversion Outcomes

Google’s research confirms what we see in client analytics: 53% of mobile visitors abandon sites that take longer than three seconds to load. For SMB websites competing on service quality rather than brand recognition, that first impression is everything.

Performance affects three critical areas:

  • User experience: Fast sites feel professional. Slow sites signal neglect, even when your service delivery is exceptional.
  • Search visibility: Core Web Vitals became a ranking signal in 2021. Faster sites earn better positions for competitive UK service keywords.
  • Conversion rates: Studies from Portent and Deloitte show conversion rates drop 4.42% for every additional second of load time. Your Studio Site might have perfect copy and compelling offers—but visitors won’t see them if performance falls short.

Speed compounds every other optimisation effort. It’s why we built our entire stack around delivering sub-second initial loads.

Cloudflare Pages: Fernside’s Exclusive Hosting Choice

Fernside Studio hosts every Launch Sprint and Studio Site on Cloudflare Pages. This isn’t arbitrary—it’s the only platform that delivers global edge performance without operational complexity.

Why Cloudflare Pages specifically:

  • Edge network: 300+ data centres globally mean your site loads from servers geographically close to every visitor, whether they’re in Nottingham or New York.
  • Automatic SSL: HTTPS is enabled immediately with no certificate management overhead.
  • Instant cache invalidation: Content updates deploy across the entire CDN within seconds, not minutes.
  • Zero cold starts: Static files serve instantly without serverless function spin-up delays.
  • Built-in DDoS protection: Enterprise-grade security is standard, protecting your brand reputation and uptime.

Traditional shared hosting introduces variable performance based on server load, neighbour activity, and geographic distance. Cloudflare’s edge architecture eliminates those variables entirely.

Astro: Static-First Architecture for Marketing Sites

Fernside builds every Studio Site using Astro, a modern static site generator designed specifically for content-focused websites. Astro’s philosophy aligns perfectly with SMB marketing needs: ship minimal JavaScript, prioritise content delivery, and optimise for speed by default.

How Astro keeps sites lean:

  • Zero JavaScript by default: Interactive elements only load JavaScript when explicitly required. Your about page, services overview, and contact sections render as pure HTML and CSS.
  • Component islands: When you need interactivity—a tabbed pricing table or FAQ accordion—Astro hydrates only that specific component. The rest of the page stays static and instant.
  • Optimal image handling: Astro automatically converts images to modern formats (WebP, AVIF), generates responsive sizes, and implements lazy loading without manual configuration.
  • Partial hydration: Heavy widgets like live chat or calendar embeds load after core content renders, keeping Largest Contentful Paint (LCP) scores green.

Compare this to React or Next.js sites that ship entire framework bundles whether visitors interact with dynamic elements or not. For a five-page Studio Site, that’s 200KB+ of unused code slowing initial renders.

Edge Delivery: Global Performance Without Geographic Compromise

When a visitor requests your Studio Site, Cloudflare’s edge network serves the response from the nearest available data centre. For UK businesses targeting local clients, this means London-based servers deliver sub-100ms responses. For companies serving international markets, the same site loads just as quickly in Singapore or San Francisco.

Practical edge delivery benefits:

  • Time to First Byte (TTFB): Consistently under 200ms globally, compared to 800ms+ from single-region hosting.
  • Reduced latency: Geographic routing eliminates transcontinental round trips for every asset request.
  • Reliability: If one data centre experiences issues, traffic automatically routes to the next nearest location without downtime.

This edge architecture particularly benefits Studio Sites with international reach. Professional services firms, SaaS companies, and consultancies targeting multiple markets get consistent performance everywhere without managing multi-region infrastructure.

Core Web Vitals: What Clients Actually Experience

Google’s Core Web Vitals measure three specific user experience metrics that affect both rankings and user perception:

Largest Contentful Paint (LCP): Measures how quickly the main content becomes visible. Target: under 2.5 seconds. Optimised images, minimal render-blocking resources, and edge delivery all contribute to faster LCP.

First Input Delay (FID): Tracks responsiveness to user interactions. Target: under 100ms. Static HTML loads and becomes interactive immediately since there’s no heavy JavaScript bundle to parse.

Cumulative Layout Shift (CLS): Quantifies visual stability as the page loads. Target: under 0.1. Reserving space for images and avoiding dynamic content injection helps maintain stable layouts.

These aren’t theoretical benchmarks—they’re what your prospects experience when evaluating whether to contact you. Sites scoring red on Core Web Vitals feel sluggish even when total load time seems acceptable.

Minimal JavaScript: Only What Converts

Every JavaScript library carries a cost: download time, parse time, execution time, and ongoing maintenance burden. Fernside’s philosophy is ruthlessly minimal: include only scripts that directly support conversion or essential functionality.

Standard Studio Site JavaScript footprint:

  • Contact forms: Validation and Turnstile spam protection (8KB gzipped)
  • Analytics: Privacy-focused tracking for conversion measurement (4KB gzipped)
  • Conditional features: Live chat or calendar embeds load only on specific pages and only after core content renders

Total JavaScript for a typical five-page Studio Site: under 20KB. Compare that to the 300KB+ average for WordPress sites with page builders or the 500KB+ for heavy React applications.

This restraint pays measurable performance dividends. Less JavaScript means faster Time to Interactive, better battery life on mobile devices, and improved accessibility for visitors on slower connections.

How This Ties Into Studio Site Delivery

When you commission a Studio Site from Fernside, performance optimisation isn’t an add-on service or post-launch project—it’s built into the foundation.

Performance is embedded in the Studio Site process:

  1. Architecture decisions: Astro and Cloudflare Pages are chosen before we write a single line of code.
  2. Design constraints: Visual concepts account for image optimisation, font loading, and above-the-fold content prioritisation from the wireframe stage.
  3. Development standards: Every component is tested against Core Web Vitals benchmarks during build, not after deployment.
  4. Quality assurance: Performance audits using Lighthouse and WebPageTest are mandatory before launch sign-off.

Studio Sites start from £2,400 and include this performance foundation as standard. You’re not paying extra for fast hosting or performance plugins—it’s the default outcome of our technical choices.

Ongoing Performance: CMS and Support Considerations

Speed at launch is straightforward when you control every asset and line of code. Maintaining performance as you update content requires discipline and the right tools.

If you add Fernside CMS (£29/month):

  • Automated image optimisation: Upload high-resolution photos; the CMS automatically generates optimised formats and responsive sizes.
  • Content validation: The panel prevents performance-damaging edits like embedding unoptimised videos or oversized images.
  • Edge caching: Content updates trigger cache invalidation, deploying changes globally within seconds while maintaining CDN performance.

For sites without CMS access, content updates happen through Fernside’s ticket-based support. We handle image optimisation, ensure new pages maintain performance standards, and test changes against Core Web Vitals before deployment.

What We Don’t Do: The Performance Anti-Patterns

Maintaining fast sites means knowing what to avoid:

  • Heavy page builders: WordPress with Elementor or Webflow sites ship megabytes of unused CSS and JavaScript. We write lean, purpose-specific code instead.
  • Framework bloat: React and Vue are powerful for applications but overkill for marketing sites. Astro delivers the same visual outcomes with fraction of the code.
  • Unoptimised media: Auto-playing video backgrounds and hero animations might look impressive in mockups but destroy LCP scores and mobile performance.
  • Third-party script sprawl: Every tracking pixel, chat widget, and social feed adds latency. We limit external dependencies to conversion-critical tools only.

This discipline occasionally means explaining why certain feature requests would compromise performance. Most founders appreciate the trade-off once they understand the conversion impact.

Speed as Competitive Advantage

In sectors where service quality is difficult to communicate in 30 seconds of browsing, site performance becomes a proxy signal. Fast, polished sites suggest competent, detail-oriented teams. Slow sites—regardless of content quality—raise doubts about operational excellence.

For SMB founders competing against larger firms with established brand recognition, performance levels the playing field. Your Studio Site can load faster than enterprise competitors hampered by legacy platforms and bureaucratic change processes.

Moving Forward: Hosting and Performance Questions

If you’re evaluating whether to commission a Studio Site, consider these performance-related questions:

  • Current site speed: Run your existing site through PageSpeed Insights. Scores below 80 on mobile indicate performance issues costing conversions.
  • Target audience connectivity: UK visitors on 4G expect sub-second loads. International audiences on variable connections need edge delivery even more.
  • Content update frequency: Sites requiring daily changes benefit most from Fernside CMS with automated optimisation.
  • Third-party integrations: Identify must-have widgets (booking systems, live chat) early so we can implement them without compromising Core Web Vitals.

Ready for a Fast Studio Site?

Fernside Studio’s technical stack—Astro on Cloudflare Pages—is designed for fast load times and strong Core Web Vitals scores, creating a performance foundation that supports every conversion optimisation effort.

Studio Sites start from £2,400 and include this performance foundation, managed hosting, SSL, and deployment on Cloudflare’s global edge network. No performance plugins to configure, no cache settings to optimise, no hosting tiers to compare.

Scope your Studio Site and experience what happens when architecture, hosting, and design unite around one objective: fast, conversion-focused delivery.

Tags
cloudflare pages hosting website performance UK astro static sites studio site
Liam Orrill

Liam Orrill

Founder of Fernside Studio. Builds monochrome, conversion-led websites for SMB teams.

Need Help with Your Website?

Fernside Studio specialises in minimal, high-performance websites that convert. Based in the Midlands, serving businesses across the UK.

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