Our server hosting!

Data storage.

Issue tracking, Sprint tracking.

Email delivery.

Development workflow, SASS compilation.

Data analysis.

Team communication and collaboration.

Handles the grunt API work, authentication and providing API <-> Cache <-> Database link.

Reduce Node.js load by serving static files and Prerender.io for crawlers.

Overall website base and MVC, interactive features.

As a second layer of caching in front of Cloudfront CDNs and our own API responses. Quite frankly, without Cloudflare's support we'd be bankrupt.

Provides a super-fast cache layer between our API and database, allowing us to handle surprise bursts of users without overloading database. Response time on a cached request is usually <20ms processing, compared to ~500ms on a heavy database request.

Version control, PRs, etc.

Speed up CSS development, and separate code into logical files.

Image uploading and storage.

Robust and reliable back-end & API routing.

Fixing all the bugs Simon can't!

Easy transfer of vector assets to production, spacing information, etc.

Vector design work.

Interactive design mockups.

Version control.

Responsive design utilities.

Node.js clustering, load-balancing and performance monitoring.

Region-specific image caching and content-delivery to speed up page loads and increase responsiveness.

Server-side code, newer code is ES6 and most old code converted to use the better features.