Nginx 1.30 Changed Upstream Connections: What to Test Before You Upgrade
Nginx 1.30 uses HTTP/1.1 and keepalive for upstream traffic by default. Audit connection capacity and test real workloads before upgrading.
Performance
Prompt Cache Write Costs: Check What Your Workflow Actually Reuses
Prompt caching can save money or add wasted writes. Learn how to audit reuse, choose cache boundaries and measure the real cost of a completed AI workflow.
A stray Set-Cookie can waste your CDN: audit the cache at the edge
Cloudflare Cache Response Rules can recover wasted CDN capacity, but first you need a route-level audit of public, personal and authenticated responses.
WordPress Speculative Loading: Test the Cart, Analytics, and Cache Before Prerendering
Before enabling WordPress prerendering, test cart state, analytics, personalization, and cache load with this practical speculative loading QA plan.
NGINX 1.30 and upstream connection reuse: what to check before upgrading
NGINX 1.30 reuses HTTP backend connections by default. Audit inherited settings, test older applications, and roll out with clear monitoring and a rollback path.
Cloudflare Cache Response Rules: Fix Headers Safely at the Edge
Cloudflare Cache Response Rules can fix cache-blocking headers on public pages. Learn how to diagnose BYPASS, scope a safe rule, and verify the result.
WordPress Autoloaded Options: What the Site Health Warning Misses
WordPress Site Health can flag bloated autoloaded options, but safe fixes depend on tracing oversized or stale data, save logic, and request-path impact.
URL Parameter Sprawl: Where SEO, Caching, and Analytics Collide
Bring URL parameters under control with a practical policy for search, Cloudflare caching, and analytics—without breaking filters or losing campaign attribution.
h2, h2c, or HTTP/1.1? Practical Choices for Real-World Stacks
Choose the right HTTP protocol for each part of your web stack, with practical Apache, NGINX and curl guidance, clearer security checks, and a measurable rollout plan.
Written recommendations from Trafik og Veje, Aarhus Municipality (2011) and AgroTech (2010).
