Deep dives into tools,
techniques & the web.
Practical guides covering developer tools, health metrics, SEO, converters and more — written to be actually useful.
✦ AI-powered — understands natural language
Drag Rises With Speed Squared: The Real Cost of 130 km/h
Beyond Keyword Density: TF-IDF and How Search Engines Actually Measure Topic Relevance
Raw keyword density is an outdated metric. TF-IDF is more useful. Neither is as important as comprehensive topical coverage with natural language. Here's how search engines actually measure relevance and what keyword density tools are actually good for.
Readability Scores Explained: What Flesch-Kincaid Measures — and What It Misses
Readability scores measure sentence length and syllable count — not vocabulary familiarity, coherence, or domain knowledge. Here's how Flesch-Kincaid, Gunning Fog, and SMOG actually work, what they miss, and when they're genuinely useful as diagnostic tools.
Writing Alt Text That Works for Both SEO and Accessibility
Alt text that works for both screen readers and SEO follows specific principles: contextual relevance, appropriate keyword inclusion without stuffing, and different approaches for different image types. Here's the craft behind writing alt text that does both jobs well.
Which Schema Types Actually Produce Rich Results in Google — and Which Don't
Valid schema doesn't guarantee rich results. Here's which schema types actually produce rich results in 2024 (Product, Event, JobPosting, BreadcrumbList), the 2023 FAQ and HowTo changes, and common reasons schema fails despite passing validation.
Organic CTR Optimisation: What Actually Makes People Click Your Search Result
Two pages at the same ranking position can have CTR gaps of 4x or more depending on snippet quality. Here's what actually drives organic CTR, how to use Search Console data to find underperforming snippets, and how to write titles that get clicked.
The Mid-Market Rate and the Spread: Why the Exchange Rate You See Isn't the One You Get
The rate Google shows for USD/EUR is not the rate you'll get from your bank. Here's how the mid-market rate works, what the bid-ask spread costs you, and why the gap between the two can be 3–5% at a bank or 10%+ at an airport kiosk.
The Case Against Lorem Ipsum — and When to Use It Anyway
Lorem Ipsum is neutral enough to let design be evaluated as design — but it also hides real content problems until production. Here's the legitimate case against Lorem Ipsum, when representative real text produces better design decisions, and when Lorem Ipsum genuinely is the right tool.
How Diff Works: Git, Three-Way Merge, and the Myers Algorithm Behind It
Git diff, pull request reviews, and three-way merges all run on the Myers diff algorithm. Here's how diff finds the shortest edit between two texts, how to read git diff output, why merge conflicts happen, and how diff applies beyond version control.
Designing OG Images That Drive Social Media Clicks
The OG image is the most underinvested part of social media marketing. Here's what makes social preview images drive clicks: dimensions, contrast, readable text at thumbnail size, template-based generation at scale, and platform-specific caching considerations.
Sleep Debt: Why You Can't Catch Up on Weekends — And What the Science Says
Weekend lie-ins restore how rested you feel — but not the metabolic and cognitive damage from a week of short sleep. Here's how sleep debt accumulates, what it does to your body, and why consistency beats catch-up.
URL Encoding Edge Cases That Break Real Applications
The difference between encoding a full URL and a URL component, why + and %20 aren't always interchangeable, how double-encoding silently corrupts data, and the characters that break most URL handling code.
Code Naming Conventions: Why camelCase, snake_case, and kebab-case Each Exist
Case conventions exist for reasons, not tradition. Here's why Python uses snake_case, JavaScript uses camelCase, CSS uses kebab-case, and how to handle naming across language boundaries when data crosses APIs and databases.
