The Checklist

42 sections. 252 items. Zero blind spots.

The Ultimate CTO Checklist is an open-source audit framework covering everything a technical leader needs to verify, guide, and automate in production-grade projects. Each section contains actionable items: things you can check, fix, and track.

42
Sections
252
Items
91
Critical
16
Domains

How to use this checklist

  1. Pick a section from the sidebar or the domains below
  2. Review each item. Critical items are non-negotiable, recommended items improve quality
  3. Use the verification guide at the bottom of each section to actually check your project
  4. Track progress across sections as you audit

Infrastructure & Setup

45 items · 21 critical
01
Git Repo Setup & Security
Repository configuration, branch strategy, CI/CD, and cleanliness standards
19 items 10 critical
02
Dependencies & Code Quality
Dependency management, security scanning, language choices, and monorepo structure
7 items 1 critical
03
Authentication & Endpoints
Auth system simplicity, documentation, testing, and HTTP endpoint security
10 items 4 critical
04
Environments
Environment tiers, configuration, protection, and deployment verification
9 items 6 critical

Database & Data

10 items · 7 critical
05
Database & Connections
Database configuration, migrations, users, and access controls
9 items 6 critical
06
Resilience
Application resilience to third-party service failures and graceful degradation
1 items 1 critical

Monitoring & Health

14 items · 9 critical
07
Health Endpoints
Health check endpoints for monitoring, load balancing, and infrastructure observability
2 items 2 critical
08
Testing & Code Metrics
Test coverage, testing practices, and code quality metrics for maintaining reliable, maintainable code
6 items 4 critical
09
Development Workflow
PR processes, commit conventions, and merge strategies
6 items 3 critical

Deployment & Operations

7 items · 6 critical
10
Deployments
Deployment pipeline stability, notifications, build performance, and release tagging
4 items 3 critical
11
Access Control
Verify access control model with tiered permissions, minimal production access, and security requirements for access holders
3 items 3 critical

Observability

16 items · 9 critical
12
Monitoring
Audit checklist for monitoring infrastructure metrics, database performance, HTTP logging, alerting, log retention, and status pages.
6 items 5 critical
13
Infrastructure Security
Verify all environments are protected behind Cloudflare, origin servers are not directly exposed, security headers are properly configured, and SSL certificate issuance is monitored.
7 items 3 critical
14
Documentation
Ensure all features are documented, complex systems have dedicated explanations, and documentation stays current with the codebase.
3 items 1 critical

Admin & Management

7 items
15
Admin Features
Admin feature parity and admin panel security controls
6 items
16
CTO Workspace
CTO workspace tooling for AI-assisted project briefings and status updates
1 items

Performance & Analytics

9 items
17
Performance Monitoring
Response time tracking, memory monitoring, and leak detection
4 items
18
Analytics
Server-side tracking, data pipelines, reporting, and engineering metrics
5 items

Error Tracking & Reliability

16 items · 6 critical
19
Error Reporting
Error tracking, configuration, deployment integration, and AI-driven error handling
8 items 1 critical
20
Email Infrastructure
DNS authentication (MX, SPF, DKIM, DMARC), deliverability testing, and email logging
8 items 5 critical

Infrastructure Features

9 items · 1 critical
21
Caching
Static asset caching via CDN and content hash-based cache invalidation
2 items
22
Front-End Performance
Core Web Vitals optimization and resource loading for SEO and user experience
4 items
23
Client-Side Security & Storage
Cookie configuration, browser storage usage, and JWT handling practices
3 items 1 critical

Data Management

9 items · 3 critical
24
Data Retention
Soft delete implementation, data cleanup processes, and legal retention compliance
5 items 3 critical
25
Intrusion Detection
Intrusion detection systems, data exfiltration monitoring, and security alerting for smaller budgets
4 items

High Availability & DR

8 items · 2 critical
26
High Availability & Backups
High availability configuration for databases and servers, backup strategies, point-in-time recovery, and off-site storage
6 items 2 critical
27
Database Tooling
Developer tools for database visibility - schema visualization and data exploration
2 items

Code Quality & Architecture

9 items
28
Code Architecture
SOLID principles compliance, code quality tooling, and build performance
3 items
29
Secrets Management
How secrets are stored, loaded, and protected across environments
6 items

API & Security

30 items · 11 critical
30
Rate Limiting
Audit guide for rate limiting configuration, behavior, and documentation.
3 items 1 critical
31
API Design
Audit guide for API versioning, input validation, injection prevention, and gateway configuration.
6 items 3 critical
32
Content Security Policy
Audit guide for CSP headers, reporting, inline script handling, and source whitelisting.
4 items
33
Feature Flags & Rollouts
Audit guide for feature flag systems, gradual rollouts, A/B testing, and kill switches.
2 items
34
Rollback & Recovery
Deployment rollback, database migration rollback, and disaster recovery capabilities
8 items 5 critical
35
Incident Response
On-call coverage, escalation procedures, runbooks, and post-mortem practices
7 items 2 critical

Operations & Incident Management

19 items · 10 critical
36
Load & Stress Testing
Performance baselines, capacity planning, load testing practices, and resilience under extreme conditions
8 items
37
GDPR & Privacy Compliance
User rights, consent management, and privacy documentation for regulatory compliance
11 items 10 critical

Compliance & Legal

14 items · 3 critical
38
Cost Monitoring & Budget Alerts
Audit cloud budgets, tool costs, visibility, and governance practices
5 items 1 critical
39
Developer Onboarding
Audit developer onboarding experience - documentation, access, and day-one productivity
9 items 2 critical

Team & Development

30 items · 3 critical
40
Technical Debt Tracking
Audit technical debt visibility, management practices, and metrics
8 items 1 critical
41
Accessibility
Accessibility practices for user-facing applications
11 items
42
Internationalization (i18n)
Audit guide for internationalization practices - translation frameworks, locale handling, and multi-language support
11 items 2 critical