Blog

  1. LatestWordPress Development15 min read

    Debugging WooCommerce Checkout Failures Without Breaking Payment State

    Trace a stuck WooCommerce checkout across the browser, order record, and gateway before retrying or changing payment status. Includes a documented Checkout Block hydration failure.

    #WooCommerce#Checkout Blocks#Payment Gateways
    Checkout form, WooCommerce order record, and payment confirmation connected by a transaction flow
  2. Testing & Quality Assurance9 min read

    Building an Accessible Modal: Focus Trapping, Escape, and Return Focus

    Build a modal with native dialog behavior, test Tab and Escape, and return focus to the right place—even when an action disables the opening button.

    #Accessibility#React#HTML Dialog
    A modal dialog over a dimmed page with arrows indicating keyboard focus movement and return
  3. Next.js9 min read

    Securing Next.js Server Actions: Authentication Is Not Authorization

    A signed-in user can still edit someone else’s record if a Server Action trusts a submitted ID. Trace the flaw, scope the database write, and verify the fix.

    #Next.js#Server Actions#Authorization
    Separate user-owned project records with an access-control barrier blocking an unauthorized update
  4. Testing & Quality Assurance10 min read

    Why Playwright Tests Pass Locally but Fail in CI

    A test passes on your laptop but times out in CI. Learn to distinguish an assertion race from shared data, server readiness, and runner differences using traces and controlled reruns.

    #Playwright#E2E Testing#CI/CD
    A stable local testing flow branching into competing test outcomes on CI servers
  5. Web Performance6 min read

    Building Offline-First Web Apps with Service Workers: A Practical Guide

    Stop treating the network as a guarantee. Learn how to architect offline-first web applications using Service Workers to cache assets, intercept requests, and deliver instant, resilient user experiences.

    #Service Workers#PWA#Offline-First
    Illustration of offline-first web applications using service workers and caching.
Blog | Halil Yesilyurt