Practical, no-fluff writeups on performance, security, browser auditing, and code quality.
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A practical framework for triaging vulnerability alerts - what severity and CVSS actually mean, when to patch versus mitigate, and how to close the loop without losing track of what you've deferred.
OWASP ZAP is a genuinely powerful free active security scanner - and a lot of tool to learn. Here's an honest look at real alternatives, and the real difference between active and passive scanning.
PageSpeed Insights is free and fast, but it has no history, no fixes, and no scheduling. Here's an honest look at real alternatives, and what PSI still does better than all of them.
SonarQube and Snyk are the default picks for code quality and vulnerability scanning - but they're not the only options, and not always the right fit. Here's an honest look at real alternatives, including where lighter tools fit in.
2xx, 3xx, 4xx, 5xx - what each range signals to a browser, a crawler, and a user, and the status code mistakes that quietly cost you SEO or break automation.
How an invisible iframe can trick a user into clicking something they never saw, and the header that stops your pages from being framed at all.
The handful of API security mistakes that show up constantly - missing rate limits, weak auth, and overly permissive CORS - and what a reasonable baseline actually looks like.
Why three redirects in a row quietly costs you crawl budget, page speed, and link equity, and how to find and flatten every chain on your site.
Why a container built from a stale base image ships known CVEs by default, and how image scanning catches it before it reaches production.
