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Digital Experiences / Performance & Accessibility

Make every digital experience faster, more stable and easier to use.

SST improves website and application performance, Core Web Vitals, semantic structure, keyboard access, readability, contrast and responsive usability across devices.

Core Web VitalsAccessibilityMobile SpeedCross-Browser QA
Experience Quality Dashboard 92 88 90 82 PerformanceAccessibilitySEOBest Practices Core Web Vitals LCP, CLS and interaction Keyboard Access Focus and navigation tested
Fast LoadingOptimised assets and delivery
Inclusive UXReadable and navigable
Stable LayoutsReduced visual shifting
Core Web VitalsAccessibility AuditImage OptimisationSemantic HTMLKeyboard NavigationMobile PerformanceCross-Browser Testing
Common Quality Problems

Slow and inaccessible interfaces lose users before content can help them.

Performance and accessibility issues affect conversion, trust, search visibility and everyday usability.

×

Slow Loading

Heavy images, scripts, fonts and third-party tools delay meaningful content.

×

Layout Shifts

Content moves unexpectedly while loading, causing missed clicks and confusion.

×

Weak Keyboard Access

Menus, forms and controls cannot be used without a mouse or touch input.

×

Poor Readability

Low contrast, small text, unclear labels and dense layouts make content difficult to understand.

Performance Audit

Find the real causes of slow and unstable experiences.

SST reviews page weight, asset loading, server response, JavaScript behaviour, layout stability and mobile performance.

Core Web Vitals review
Image, font and script analysis
Mobile network and device testing
Prioritised technical improvement roadmap
Performance Audit Dashboard
Experience Quality Metrics

Measure the areas that most affect usability and trust.

Performance

Loading, rendering, interaction and page weight.

Accessibility

Keyboard use, contrast, labels, semantics and focus.

Stability

Predictable layout and reduced content shifting.

Compatibility

Consistent behaviour across devices and browsers.

Accessible Interface Design

Make important content and actions available to more users.

Accessibility improvements support people using keyboards, screen readers, zoom, high contrast and different input methods.

Semantic headings and landmarks
Visible focus and keyboard navigation
Labels, instructions and error messages
Readable contrast, text size and spacing
Accessible UXInclusive interactionKeyboardFocus and navigationScreen ReaderLabels and structureContrastReadable coloursFormsClear labels and errorsZoomResponsive text scalingMotionReduced animation options
Improvement Capabilities

Address performance and accessibility across the complete experience.

🖼

Image Optimisation

Compression, responsive sizes, modern formats and lazy loading.

⚙️

Code Optimisation

Reduce unnecessary CSS, JavaScript and render-blocking resources.

🌐

CDN & Caching

Faster asset delivery, browser caching and page acceleration.

🔤

Font Performance

Efficient loading, fallbacks and reduced layout shifting.

⌨️

Keyboard Access

Logical focus order, visible states and operable controls.

🏷

Semantic Structure

Headings, landmarks, lists, forms and meaningful HTML.

🎨

Contrast & Readability

Clear colours, text size, line spacing and touch targets.

🧪

Cross-Device QA

Real browser, viewport and interaction testing.

Improvement Process

Move from audit findings to measurable experience improvements.

01

Baseline Audit

Measure current speed, stability and accessibility.

02

Prioritise

Separate critical, high-impact and long-term improvements.

03

Optimise Assets

Improve images, fonts, scripts and delivery.

04

Improve Interface

Fix structure, focus, forms, contrast and controls.

05

Test

Validate devices, browsers and assistive interactions.

06

Monitor

Track regressions and maintain quality over time.

Related Digital Experience Services

Continue into the relevant specialist capability.

Improve Experience Quality

Make your website faster, more stable and usable by more people.

Share your current website or application. SST can review performance, accessibility and cross-device issues and prepare a prioritised improvement roadmap.