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The Small Hours
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Practical articles for the decisions behind the numbers. Start with a worked example, then use the related tools to explore your own inputs.

Showing 13–24 of 51 articles

Business · 3 min read

Debt Snowball vs Avalanche with a Fixed Monthly Budget

Compare repayment priorities with the same balances, budget and fixed-minimum assumptions.

Read the article ↗Creators · 4 min read

How to Add YouTube Chapters: Timestamp Rules and Examples

Prepare useful chapter titles, validate timestamps, and verify the result after publishing.

Read the article ↗Email · 5 min read

SPF lookup limits: trace includes and troubleshoot safely

Inspect DNS-causing terms, separate a static budget estimate from a message result, and verify the sending service before editing SPF.

Read the article ↗Utilities · 3 min read

HEIC and WebP to JPEG: Compatibility and Information Loss

Convert supported still images locally and understand what JPEG cannot preserve.

Read the article ↗Marketing · 3 min read

Generate and Check LocalBusiness JSON-LD

Build truthful local-business markup, lint selected fields and validate it on the actual page.

Read the article ↗Business · 4 min read

Markup vs Margin: Formulas, Examples and Pricing

Understand the denominator, calculate a target price, and check what a discount leaves after costs.

Read the article ↗Email · 5 min read

How to investigate a DMARC aggregate XML report

Read source counts and aligned results, compare them with a sender inventory, and avoid confusing DMARC failure with a confirmed attack.

Read the article ↗Utilities · 3 min read

Solid Image Redaction vs Blur: A Local Sharing Workflow

Select sensitive rectangles and verify a flattened sharing copy without confusing blur with secure redaction.

Read the article ↗Marketing · 3 min read

Audit Canonicals, Redirect Chains and Internal Links from CSV

Inspect supplied crawl snapshots while separating recorded errors from unverified targets.

Read the article ↗Business · 4 min read

Calculate a Freelance Hourly Rate from Billable Hours

Calculate a rate floor from realistic capacity, then separate annual billing from cash collection.

Read the article ↗Email · 5 min read

Email pre-send checklist: preview text, lists, signatures and links

Use a practical pre-send review to catch list duplicates, unclear preview text, signature installation mistakes and inconsistent campaign links.

Read the article ↗Utilities · 3 min read

CSV to JSON and Strict JSON Validation: Preserve Leading Zeroes

Convert quoted CSV deliberately and check JSON syntax without silent type inference.

Read the article ↗

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