Six months after building or configuring a website, you'll have forgotten most implementation details. Why was this plugin chosen? What does that custom code do? Why is the configuration set up this way? Without documentation, answering these questions requires archaeological investigation.
Future-you—or teammates inheriting the site—will either appreciate past-you's documentation or curse the lack of it. The difference affects troubleshooting speed, maintenance confidence, and operational stress across years of site management. Just as backup systems protect against data disasters, documentation protects against knowledge disasters.
Good documentation isn't comprehensive technical manuals. It's strategic capture of information that's obvious today but will be mysterious months from now.
Why Documentation Doesn't Happen
Common obstacles:
"I'll remember this"
You won't. Neither will teammates. Memory is unreliable for technical details across dozens of sites.
"It's obvious"
To you, today, in context. It won't be obvious to you months later out of context, and definitely not to someone else.
"Documentation takes too long"
Bad documentation takes long. Good documentation takes minutes and saves hours later.
"We'll document it later"
Later never comes. Documentation happens during work or never.
"Nobody reads documentation anyway"
Because most documentation is poorly organized and hard to use. Good documentation gets read because it's valuable.
The Minimal Documentation Standard
You don't need comprehensive technical specifications. You need strategic notes covering:
1. Configuration Decisions
Capture why things are set up specific ways:
Bad: "Using WP Rocket for caching"
Good: "Using WP Rocket for caching. Tried W3 Total Cache initially but conflicted with Elementor. WP Rocket configuration: excluded cart and checkout pages from caching to prevent stale pricing. File optimization disabled due to theme conflicts."
The "why" and "gotchas" matter more than the "what."
2. Custom Code Purpose
Explain custom implementations:
Bad: [Custom code exists with no explanation]
Good: "Custom post type 'projects' created in functions.php to manage client portfolio. Displays on /work page via custom template. Query modified to show 12 per page. DO NOT remove—client's entire portfolio display depends on this."
Future-you needs to know what code does, why it exists, and consequences of removing it.
3. Known Issues & Workarounds
Document problems and their solutions:
"Form notifications occasionally fail to send. Workaround: backup notification goes to admin@site.com. Check both addresses if client reports missing forms. Related to hosting email throttling. Consider moving to transactional email service if problem worsens."
This prevents re-investigating known issues and provides immediate workarounds during problems. Combined with systematic approaches to determining when fixes are actually needed, this documentation accelerates troubleshooting.
4. Update Restrictions
Flag components that can't be updated freely:
"Plugin X must stay at version 2.1.5. Version 2.2+ breaks custom integration with API. Update requires reworking integration (estimated 4 hours). Client aware of this limitation and accepted it."
Prevents accidentally breaking things during routine updates.
5. Client-Specific Context
Capture relevant client information:
"Client is very responsive to emails, slow on phone. Prefers technical details over simplified explanations. Risk-averse about changes but trusts recommendations if thoroughly explained. Website is critical for lead generation—downtime directly affects business."
This context enables appropriate communication and helps determine which potential management clients are good fits for your agency.
6. Access & Credentials Notes
Document where things are:
"Hosting: WPEngine (credentials in password manager). Domain: GoDaddy (different account—client manages directly, request access if needed). SSL through Let's Encrypt auto-renewing. Email through Office 365 (not our management scope)."
Prevents hunting for access during emergencies.
7. Integration Details
Explain connected services:
"CRM integration via Zapier webhook from Gravity Forms to HubSpot. Webhook URL in form settings. HubSpot credentials belong to client's marketing person Sarah (sarah@client.com). Integration breaks if form is deleted or webhook URL changes."
Integration documentation prevents accidental breakage and enables troubleshooting.
Where to Document
Documentation needs accessibility when needed:
Per-Site Documentation Location Options:
Project Management System
Tools like Asana, Monday, or Notion: centralizes all client information, integrates with workflow, searchable.
Downside: not immediately accessible while working in site
Password Manager Notes
1Password, LastPass, etc.: documentation lives with credentials, accessible exactly when needed.
Downside: limited formatting, not great for lengthy documentation
Site-Specific README Files
Text file in WordPress root or theme folder: immediately accessible when in site, travels with site backups.
Downside: not accessible without site access
Agency Wiki/Knowledge Base
Centralized documentation system: organized, searchable, accessible to whole team.
Downside: requires maintaining separate system
Ideal approach: Combination
- Critical configuration details in password manager with credentials
- Comprehensive notes in project management system
- Brief README in site files
- General processes in agency wiki
Choose system you'll actually use consistently over theoretically perfect system you'll ignore.
The Documentation Workflow
Make documentation part of work process, not separate task:
During Building/Configuration:
As you make decisions, immediately note them. Add 30 seconds per decision for brief documentation. This captures context while fresh.
After Problem Resolution:
When you solve an issue, document: what was wrong, how you discovered it, how you fixed it, how to prevent recurrence. Creates troubleshooting knowledge base.
During Handoffs:
Whether internal team handoffs or client handoffs, force documentation by requiring handoff documentation as deliverable.
During Updates:
If update causes issues, document what broke and resolution. Prevents forgetting by next update cycle.
The Documentation Template
Standardized structure makes documentation easier to create and use:
SITE NAME: [Client Name] - [Site URL]
LAST UPDATED: [Date]
OVERVIEW:
[Brief description of site purpose and key features]
TECHNICAL STACK:
- CMS: [WordPress 6.3.1]
- Hosting: [WPEngine - Business Plan]
- Theme: [Astra Pro 4.2.1]
- Critical Plugins: [List with versions and purposes]
CONFIGURATION NOTES:
[Key configuration decisions and reasons]
CUSTOM CODE:
[Purpose and location of customizations]
INTEGRATIONS:
[Connected services and how they work]
KNOWN ISSUES:
[Problems and workarounds]
UPDATE RESTRICTIONS:
[Anything that can't be updated freely]
CLIENT NOTES:
[Communication preferences, important context]
ACCESS:
[Where credentials are stored, special access notes]
MAINTENANCE HISTORY:
[Log of significant changes, issues, resolutions]Template provides structure preventing forgotten documentation areas.
The Team Documentation Culture
Individual discipline matters less than team culture:
Make It Required:
Sites without documentation don't get marked complete or handed off. Non-negotiable requirement.
Make It Easy:
Provide templates, examples, and brief training. Remove friction from documentation process.
Make It Valued:
Regularly reference documentation publicly: "Found the answer in site docs—thanks for documenting that, Sarah." Recognition reinforces behavior.
Make It Living:
Treat documentation as evolving. Anyone can update as they learn new information. Outdated documentation is normal and fixable.
What Not to Document
Over-documentation is real problem:
Don't Document:
- Obvious standard procedures covered in general agency processes
- Information easily found elsewhere (official plugin documentation)
- Excessive technical detail nobody will reference
- Information that changes too frequently to keep updated
Focus on site-specific knowledge that's hard to rediscover.
The "Six-Month Test"
Good documentation passes this test: "If I had to troubleshoot this site six months from now with no memory of building it, would this documentation help me understand what I need to know?"
If yes, documentation is probably adequate. If no, add clarity.
Documentation Debt
Like technical debt, documentation debt accumulates:
- Sites built without documentation
- Documentation that's outdated
- Knowledge in people's heads, not written down
Address documentation debt:
Gradual Improvement:
When touching sites for any reason, spend 10 minutes documenting what you discover. Sites gradually get documented through normal work.
Dedicated Cleanup:
Schedule periodic "documentation days" where team documents known details about undocumented sites. Boring but valuable work.
Handoff-Forced:
When team members transition or clients move between account managers, require documentation before accepting handoff. Forces documentation creation.
The Solo Freelancer Reality
"I'm one person; I'll remember."
You won't. Solo freelancers often suffer more from documentation lack because:
- No teammates to ask
- Higher client counts relative to memory capacity
- Life disruptions (illness, vacation) affect continuity more severely
Solo practitioners benefit even more from documentation discipline.
Documentation as Professional Maturity
Early-career tendency: trust memory and figure things out as needed.
Mature practitioner habit: document systematically because experience taught the cost of not documenting.
The transition from "I'll remember" to "I'll document" marks professional development.
Maintenance Log Entries
Beyond configuration documentation, maintain chronological logs:
Log Entry Example:
DATE: 2024-03-15
ISSUE: Contact form submissions not arriving
INVESTIGATION: Checked form settings, tested manually, reviewed hosting email logs. Found hosting blocking outbound email due to spam filter false positive.
RESOLUTION: Contacted WPEngine support, whitelisted sending address, verified test submissions working.
PREVENTION: Moved to SendGrid for transactional email to avoid hosting email limitations.
TIME: 2 hoursLogs create history useful for pattern recognition and future reference.
The Emergency Documentation
When emergencies happen without documentation, create it immediately after resolution:
"This took 6 hours to solve because we didn't know [crucial information]. Documenting now so it takes 30 minutes next time."
Emergencies are expensive learning opportunities—capture the learning.
Documentation ROI
Documentation takes time—is it worth it?
Time Investment:
- 10-15 minutes per site during initial setup/configuration
- 5 minutes when solving issues or making changes
- 20-30 minutes for comprehensive site documentation
Time Savings:
- Hours on troubleshooting (avoiding re-investigation)
- Minutes to days on team transitions (onboarding without tribal knowledge)
- Reduced client communication (answers are documented, not figured out each time)
- Lower stress (confidence from understanding vs. anxiety from mystery)
The ROI is obvious to anyone who's struggled with undocumented sites.
The Gift to Future-You
Documentation is fundamentally optimistic: you're assuming the site will be managed long-term, possibly by others, and creating resources for that future.
Past-you who documented is doing a favor for future-you. Future-you, troubleshooting at midnight or onboarding a new team member, will be grateful for past-you's discipline.
The question isn't whether to document—it's whether you want calm, manageable operations or chaotic archaeology across your portfolio.
Frequently Asked Questions
How much documentation is too much?
If nobody reads it or it takes longer to create than it saves, it's too much. Focus on information that's hard to rediscover rather than comprehensive technical details. Good documentation is concise, focused on decisions and gotchas, and actually gets referenced. If you find yourself never referencing documentation, you're either over-documenting irrelevant details or under-documenting helpful details.
What if there's no time for documentation during projects?
Then projects are underscoped. Documentation is part of professional delivery, not optional extra. Either build documentation time into project estimates (recommended) or accept higher future costs when undocumented sites require extra troubleshooting. The cost is real either way—documentation distributes it efficiently.
How do you keep documentation updated as sites change?
Make updates part of work process: when you make changes, update documentation. This happens naturally if documentation is easily accessible during work. If documentation is separate and hard to access, updates won't happen. Also, accept that some documentation drift is normal—perfectly current documentation isn't necessary, mostly current is sufficient.
This is written by the team behind NoCodeVista, exploring calmer ways to manage client websites.
