
Systems Field Journal
Slight Future is an independent technical notebook built on years of working with Linux servers, browser internals, privacy tooling, web performance tuning, and the kind of systems debugging that never quite fits into a single category. The coverage here spans practical how-to guides, security investigations, web development notes, and honest reviews of the tools and platforms that working engineers actually depend on.
What started as a personal reference for command-line fixes and protocol oddities gradually became something other people found useful too. The writing assumes you already know the basics and gets straight to the part that matters — the specific behaviour, the exact configuration, the gotcha nobody mentioned in the official documentation.
Browse the sections below to find what you need, or use the search to jump straight to a specific topic. Recent notes and ongoing investigations appear in the sidebar.
Recent Posts
AVIF vs WebP vs JPEG: Choosing the Best Image Format for Web Performance
A practical comparison of AVIF, WebP, and JPEG for web images — covering quality, file size, encoding speed, browser support, and the right format for each use case.
6 April 2026Brotli vs Gzip vs Zstd: Best Compression for Faster Websites
A practical comparison of Brotli, Gzip, and Zstandard for HTTP compression — covering ratios, CPU cost, browser support, and server configuration in 2026.
4 April 2026Optimizing Core Web Vitals in 2026: LCP, INP, CLS Explained
Practical strategies for improving Core Web Vitals scores in 2026 — covering LCP optimisation, INP measurement, CLS debugging, and the metrics that actually affect search ranking.
1 April 2026HTTP/3 and QUIC: Why 2026 is the Year to Upgrade Your Web Server
A practical guide to HTTP/3 and QUIC deployment in 2026 — covering server configuration, performance benefits, TLS 1.3 integration, and migration from HTTP/2.
29 March 2026WSL vs. Virtual Machines: Choosing the Right Development Environment
A detailed comparison of WSL2 and traditional virtual machines for development — covering performance, isolation, filesystem behaviour, GPU support, and workflow trade-offs.
27 March 2026March 2026
Expanded WSL coverage with updated WSLg notes, refreshed Debian DNS resolver guide, and new entries across the security and web development sections.
February 2026
Added firewall comparison notes (UFW vs firewalld), updated mod_brotli configuration guide, and published new review of FileLocator.
January 2026
Refreshed browser extension coverage, added IPv6 fail2ban notes, and updated several tech notes for current distributions.
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