1 0 0 1 0 0 0 0 0 1 0 0 1 0 1 1 CSS VARIATIONS 1 1 1 1 0 0 0 1 1 1 0 0 0 0 0 0 1 0 0 DATA STORAGE 1 1 0 1 0 1 0 1 0 0 1 0 1 1 1 1 0 0 DEPLOY & RELEASE 0 1 1 0 1 1 1 1 1 1 0 0 THE DOM 1 1 0 0 0 0 1 1 1 1 0 0 1 1 0 0 1 0 0 0 ENVIRONMENTS 0 0 1 0 0 1 1 0 1 0 0 0 0 1 0 0 EVENTS 1 0 0 1 0 1 0 0 0 1 GARBAGE COLLECTION 1 0 1 0 0 1 0 1 0 1 1 1 1 1 HTTP 0 1 1 1 0 0 0 1 0 0 1 1 0 1 1 0 IMPORTS 1 1 0 1 0 0 0 1 0 1 1 0 1 1 INDEXING 1 1 1 1 1 1 0 0 0 0 0 0 INHERITANCE 1 0 0 0 1 1 0 0 1 0 0 1 1 0 0 1 0 JSON 1 0 0 1 1 0 0 1 1 0 1 KERNEL 1 0 1 0 0 0 0 0 0 1 LOGGING 1 1 1 1 1 0 1 0 1 0 0 0 1 0 1 OBSERVABILITY 1 0 1 1 0 0 1 1 0 1 0 1 1 1 0 OOP 1 0 0 1 0 1 0 0 1 0 0 1 1 PACKAGE MGRS 0 1 1 0 0 0 0 1 0 1 1 0 0 1 0 0 1 0 PERFORMANCE 0 1 0 1 0 1 1 1 1 0 0 1 1 1 0 0 PROCESS.ENV 0 1 1 1 1 1 1 0 0 1 0 1 PROCESSES 1 1 1 1 1 1 0 0 0 0 1 0 PROMISES 0 0 1 1 0 1 1 1 1 1 1 1 0 1 PUB/SUB 0 0 1 0 1 1 0 1 0 0 0 ROUTING 1 0 1 0 0 1 1 1 0 1 SANITIZATION 0 1 0 1 0 1 1 1 1 0 1 SERVERS & CLIENTS 1 1 1 0 1 1 0 1 1 0 0 1 0 SESSIONS 1 1 1 1 1 0 1 0 1 0 TESTING 0 0 1 1 1 1 0 1 1 0 CORE WEB VITALS 1 0 0 1 0 1 1 1 1 1 1 1 0 1 0 1 0 0 WEBHOOKS 1 0 1 1 0 1 1 0 0 1 0 ACCESSIBILITY 1 1 1 1 0 1 1 0 0 1 1 APIS 0 0 0 1 0 1 1 0 0 0 0 1 0 0 ASYNC 0 0 1 0 0 1 0 0 1 0 1 1 0 0 0 1 1 1 1 AUTH 1 1 0 1 1 0 1 1 0 1 BENCHMARKING 0 0 1 0 0 0 0 0 0 1 0 1 1 1 1 1 BINARY 1 1 0 0 1 1 0 0 1 0 0 0 1 BUILDS 1 0 0 1 0 1 0 1 1 1 1 1 1 1 0 CALLBACK FNS 0 0 0 1 0 0 0 1 1 0 1 0 0 1 1 0 0 0 CI/CD 0 1 1 1 1 0 0 1 0 0 1 1 1 1 0 1 0 1 0 THE CLOUD