Mobile Performance Optimization Specialist - JavaScript Expert

Optimise the mobile speed of our company website built on Webflow, with a strong focus on reviewing and improving the site’s JavaScript implementation. The objective is to significantly reduce load times and deliver a seamless, fast experience for mobile users, while preserving all site functionality and design integrity.

•Audit the entire Webflow site for mobile performance issues, especially those related to JavaScript and slow loading times.

• Identify, refactor, and optimise JavaScript, including minimising, deferring, or asynchronously loading scripts that impact mobile speed.

• Optimise images, videos, and other media: compress files, implement lazy loading, and convert to next-gen formats (e.g. WebP).

• Simplify interactions and animations so they are mobile-friendly and lightweight.

• Clean up unused styles and custom code to streamline rendering and cut unnecessary bloat.

• Test site performance using Google PageSpeed Insights and Webflow’s built-in tools; address all flagged bottlenecks and verify results on multiple devices.

• Deliver actionable recommendations and implement final changes to ensure improved mobile user experience and fast load times.

Job Qualifications

Job Benefits

Job Responsibilities

  • Optimise the mobile speed of our company website built on Webflow, with a strong focus on reviewing and improving the site’s JavaScript implementation
  • The objective is to significantly reduce load times and deliver a seamless, fast experience for mobile users, while preserving all site functionality and design integrity
  • Audit the entire Webflow site for mobile performance issues, especially those related to JavaScript and slow loading times
  • Identify, refactor, and optimise JavaScript, including minimising, deferring, or asynchronously loading scripts that impact mobile speed
  • Optimise images, videos, and other media: compress files, implement lazy loading, and convert to next-gen formats (e.g. WebP)
  • Simplify interactions and animations so they are mobile-friendly and lightweight
  • Clean up unused styles and custom code to streamline rendering and cut unnecessary bloat
  • Test site performance using Google PageSpeed Insights and Webflow’s built-in tools; address all flagged bottlenecks and verify results on multiple devices
  • Deliver actionable recommendations and implement final changes to ensure improved mobile user experience and fast load times