Article: Speeding Up Tesla.com - Part 1: Images and JS Minification

Enjoy part 1 of our new article series where our Senior Performance Engineer shares how he managed to speed up time to interactive from over 17 seconds to around 4 seconds by removing unnecessary things and optimizing assets delivery on tesla.com. Part 2 about splitting the main CSS and further improving performance is coming soon. 

Onboarding

UX Research

• NEW Analysed the onboarding interview with new channel partners. Altogether they reported a great onboarding experience. They especially liked the GraphiQL graphical interface and the pos-cli functions. Based on the result, we made the following changes to make the onboarding of future users even smoother. 

Changes made based on the results

• NEW Added sticky header to the documentation site to make it easier to navigate between menu items
• UPDATED Get Started: Build a ToDo List App - added note in the source code section about the complete source code of the application and in the Prerequisites section of part 2 about the source code to start extending the application from. 
• UPDATED Liquid API Reference sidebar navigation to make it easier to find the pOS related tags and filters 
• UPDATED API Reference - added description about pOS tags and filters 
• UPDATED Connecting an Angular Single Page Application (SPA) with platformOS - to make appear as a first search result for “SPA”
• DEPRECATED REST API Reference as using pages and GraphQL is clearer and more flexible
• PLANNED Add information to doc: adding validation to graphql mutation happens through Form 

Documentation 

Content production

• NEW Best Practices/SEO: Preventing Duplicated Content 
• UPDATED Planning, Organizing, and Writing Tests - added link to the Connecting an Angular Single Page Application (SPA) with platformOS use case in the Single Page Applications (SPA) section
• UPDATED Codebase - to reflect new notifications structure 
• UPDATED Models and Model Schemas - added cross-reference to Data Backup and Removal topic 
• IN PROGRESS Improve documentation around CSRF token for POST requests
• IN REVIEW Updates to the Creating an SMS Notification topic

Improvements, fixes

• UPDATED pos-cli cleanup - removed commands, updated readme in npmj, created category for pos-cli related topics 
• PLANNED Review: pos-cli readme 

Design 

UX, UI Design

• NEW pOS favicons - separate style for all sites

Development

To learn more about the most recent changes, improvements and fixes in platformOS, check out our latest release note: platformOS Release Note June 2, 2020 — Replaced layout_name and layout_path with layout, improved error messages

• DEPRECATED added layout to Page and EmailNotification and deprecated layout_name for Page and layout_path for EmailNotification
• NEW added email validator
• IMPROVED error messages in multiple places when invalid model_schema_name is provided (for example, forms, model_create mutation, etc.)
• IMPROVED added information about max limit for fetching related_models/related_users to 10.000
• IMPROVED error handling for sum_array when invalid argument is provided
• IMPROVED validation for admin_* mutations to provide proper information about duplicated physical file path

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