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Self-Hosted WordPress Performance: Find the Bottleneck Before Adding a CDN
A practical starting point: separate server response time from the work of displaying a page.
Built, tested,
and written from experience.
Practical notes on building with AI, running WordPress,
and solving enterprise system problems.
- Oracle & Enterprise
GoldenGate Replicat Stalled on PostgreSQL: The ODBC Driver Path I Missed
More recent posts
- Tools & Guides
A Day-31 Cron Schedule Is Not the Same as Month End
- Oracle & Enterprise
Install OAS 7.6 Client Tools: Version, Paths and JDK
Featured guides by topic
Tools and products I build
Useful tools for everyday tasks
When2Overlap
Find meeting times across time zones.
Cron Helper
Understand cron expressions and check upcoming runs.
Bunjang fee calculator
Estimate your selling price and payout after fees.
(Korean)Pattern Studio
Test regular expressions and prepare CSV and log workflows.
More calculatorsPart-time pay calculator → (Korean)Monthly labor cost calculator → (Korean)Weekly holiday pay calculator → (Korean)
A product in development
A WordPress plugin for moving and managing media in OCI Object Storage.
In development at ALLBECOMES. The product site is being prepared.
Nimvaultnimvault.cloud · Product site coming soon
AI Solo Business
Three guides to validating, building, and running your first business.
worth solving.01 — VALIDATE
Starting a Solo App Business with AI: Validate Customers, Problems, and Demand Before You Code (Korean)
Validate customers and demand first.
Test it.02 — BUILD
Build an MVP with AI: From Requirements to Testing (Korean)
Build a small version and test it.
life after launch.03 — OPERATE
From App Launch to Business Operations: Pricing, Payments, Support, and Costs (Korean)
Plan pricing, payments, and support.
Have an idea in mind?
Before you code, write down whose problem you want to solve.