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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 25–36 of 51 articles

Marketing · 3 min read

Audit Image Alt Text: Missing, Empty and Unhelpful Alternatives

Use an HTML attribute audit to create a human review queue rather than an accessibility score.

Read the article ↗Business · 4 min read

MRR, Churn, NRR and GRR: SaaS Retention Examples

Reconcile recurring revenue, freeze an opening cohort, and connect retention to a bounded LTV scenario.

Read the article ↗Utilities · 3 min read

Base64 vs URL Encoding: Unicode, Plus Signs and Double Encoding

Inspect text encodings without treating Base64 as encryption or encoding a complete URL as one component.

Read the article ↗Marketing · 4 min read

UTM Naming Conventions: A Campaign URL Checklist

Create a consistent campaign dictionary, inspect generated URLs, and test the whole tracking journey.

Read the article ↗Business · 4 min read

Payment Fee Pricing: Calculate Fees and Required Charges

Separate processing fees from product costs and solve a desired-net charge with explicit assumptions.

Read the article ↗Utilities · 3 min read

Markdown Preview, Duplicate Lines and Unicode Text Counts

Preview a draft, clean exact repeated lines and choose the character measure that fits the destination.

Read the article ↗Marketing · 5 min read

Search Console Query Overlap Analysis: A Practical CSV Workflow

Use real query–page data to investigate overlapping pages, review intent and choose a measured content change without assuming cannibalization.

Read the article ↗Business · 5 min read

Discount profit impact: calculate the extra sales volume needed

Work out how a discount changes contribution, calculate the volume needed to recover it, and test capacity before launching a sale.

Read the article ↗Utilities · 3 min read

Print Size, PPI and Fractional Inches to Millimetres

Calculate print dimensions and convert fractional lengths while separating rounding from original measurements.

Read the article ↗Marketing · 5 min read

Robots.txt vs Noindex: Crawl Rules, Indexing and Practical Tests

Understand why Disallow is different from noindex, test concrete path rules and verify the deployed behavior before changing crawl access.

Read the article ↗Business · 5 min read

How to calculate a free shipping threshold using contribution margin

Calculate an economic floor for free shipping, check mixed baskets and discounts, and measure the result beyond average order value.

Read the article ↗Utilities · 3 min read

GB vs GiB and Mbps vs MB/s: Estimate File Transfer Time

Convert storage units and estimate transfers using explicit bit, byte and throughput conventions.

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