Web Performance Optimisation at times.co.uk

Operation Jungle CheetahA Practical Journey of Improving Web Performance @mesum98

What is this about?• A practical journey of improving web performance• Not a view or opinion• A strategy which enabled to drive the speed enhancements• Relevant Tools and techniques

Million $ Question – What is slow?

Convince your Audience

# 1: Measure

# 1: Measure Keep it Simple

# 1: Measure Make it visible

# 2: Benchmark

# 3: Compare

How slow the site is!

# 4: Identify

# 4: Identify Areas for improvements WebsiteAkamai Code F5 Development Editorial 3rd Party

# 4: IdentifyAkamai • Sure Route • Origin DNS optimisation • Prefetching • Address 304 error messages • Last Mile AccelerationF5 – Algorithms • Round robin • Weighted round robin • Least connections • Least response time

# 4: Identify Code improvements• CSS/JS merging and minification• Load 3rd party objects last• CSS Spiriting• Review Caching – Increase more caching time• Pre Load where possible• Optimise Javascripts – DynaTrace reports

# 4: Identify Code improvements

# 4: Identify Editorial Improvements – Translateimprovements for the business teams

# 4: Identify 3rd Party Flags

# 5: Execute

# 5: Execute• Define Non Functional Requirements (NFR)• Set Speed Targets for the development teams• Create test scripts for performance testing• Define development stories• Poker planning and identify level of effort

# 6: Evaluate

Next steps• Data centric approach• Proof speed improvement benefits with more specific analytics (i.e. increased registration, advertising, etc)• Automate speed improvements• Infrastructure optimisation (Amazon, Google Apps, etc)

Web Performance Optimisation at times.co.uk

by Stephen Thair

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