Code Splitting
Splitting JavaScript so each page loads only the code it needs, instead of every visitor downloading the whole application up front.
- Price
- From $1,200.00 per audit
- Free trial
- A free technical review of one page, written up, no card, no commitment.
What to send us
Your JavaScript build setup, routes, large components, bundle reports and pages where users load unnecessary code.
What you get back
Code split by route or feature, with loading states and bundle reports showing reduced JavaScript on key pages.
What to check before you sign off
Check that split code loads quickly when needed. Poorly timed loading can make interactions feel slower.
Part of JavaScript Bundle Reduction. How the work runs and what it costs across the family are set out in the web design & development guide.
Rates and common questions for this work are on the Web Design & Development page.
How we approach this work
Articles from the journal, written by the people who do this work. More on this subject →
Web Accessibility Conformance, Done Properly
Meeting a defined level of the Web Content Accessibility Guidelines — usually 2.2 Level AA — and being able to show the evidence for that claim.
Web Design & DevelopmentImage Optimization for the Web: The Decisions That Matter
Learn which image formats, sizes and loading settings to use, and how to choose between CMS, build-time and image CDN pipelines for faster pages.
Web Design & DevelopmentA Practical Guide to Core Web Vitals
Learn what LCP, INP and CLS measure, why the 75th percentile of field data is the real score, and how to diagnose and fix each Core Web Vital by page template.
Often combined with Code Splitting
The work that usually sits either side of this one. One team handles all of it, under one brief.
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Automation & Flow Design
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Related services
Try it free: a free technical review of one page, written up.
No card and no commitment. If the standard is not what you need, you have lost nothing.