The Daily Index — Thursday, June 26, 2025 · TLDR Index

ARTICLES & TUTORIALS

TLDR Web Dev

TLDR Web Dev

A GUIDE TO SCROLL-DRIVEN ANIMATIONS WITH JUST CSS

Scroll-driven animations can be implemented in CSS, allowing animations to be controlled by user scrolling instead of time. There are three key components: the target element, the keyframes defining the animation, and the timeline (either `scroll()` or `view()`) that links the animation to scrolling. The `scroll()` timeline triggers animations based on scrolling, while `view()` activates them when an element enters the viewport.

webkit.org · 11 min

TLDR Web Dev

OPENTELEMETRY FOR GO: MEASURING THE OVERHEAD

Everything comes at a cost, even logging. This article benchmarks logging overhead in a Go HTTP server that handles over 10k requests/second. It finds that enabling OpenTelemetry increased CPU usage by 35% (from 2 to 2.7 cores), memory by 50% (10MB to 15-18MB), and p99 latency from 10ms to 15ms while adding 4MB/second of network traffic for telemetry export.

coroot.com · 8 min

TLDR Web Dev

START ALONE, THEN TOGETHER: WHY SOFTWARE MODELLING NEEDS SOLITARY BRAINSTORMING

Software modeling sessions often suffer from the "CTO effect," where dominant voices override other useful perspectives. To counter this, it's better to start modeling sessions with 10-15 minutes of silent, solitary brainstorming to encourage everyone to generate ideas independently first.

architecture-weekly.com · 6 min

TLDR Web Dev

PREPARING FOR GOOGLE ZERO

Google is declining as a reliable traffic source due to AI-powered search. Its new approach uses creators' work to compete against them without compensation, breaking the traditional SEO model that rewards valuable content with traffic. To adapt, businesses needing distribution need to start looking into niche communities, referral programs, conferences, audio content, and word-of-mouth marketing.

open.substack.com · 10 min

TLDR Web Dev

THE PROBABILITY OF A HASH COLLISION

This post explains the math behind hash collisions, which occur when a hash function assigns the same value to different inputs. It not only shows the exact formula to predict a collision, but also has a few simpler approximations that can be used for large datasets.

kevingal.com · 13 min

TLDR Web Dev

A SHORT HISTORY OF WEB BOTS AND BOT DETECTION TECHNIQUES

Simple bots are easily identified. Nowadays, there are more sophisticated bot detection methods like IP reputation checks, TCP/TLS fingerprinting, and JavaScript analysis. As headless browsers have evolved and the use of orchestration frameworks has grown, so have advanced detection techniques like behavioral analysis and latency checks to detect bots attempting to mimic human behavior.

sinja.io · 28 min

TLDR Web Dev

WHAT PROBLEMS TO SOLVE - BY RICHARD FEYNMAN

Richard Feynman advises a former student to find satisfaction and value in tackling solvable, even humble, problems where they can make a meaningful contribution, rather than pursuing grand, unattainable goals.

genius.cat-v.org · 4 min

TLDR Web Dev

BRINGING REACT'S `VIEWTRANSITION` TO VANILLA JS

Summary unavailable

plainvanillaweb.com · 10 min

TLDR Web Dev

2000 LINES OF CODE

In 1982, a developer protested his team's management's decision to measure software progress by lines of code by reporting that his optimization of an application resulted in -2000 lines of code.

folklore.org · 2 min