Mohsen Vaziri Founder of Sitejar

Mohsen Vaziri

Mohsen founded Sitejar and is a software engineer with over fourteen years of experience. He cares about making the web accessible to everyone, including people with disabilities and about compliance.

HTTP Security Headers in 2026 With Checklist

HTTP Security Headers in 2026: The Complete Checklist (CSP, HSTS & More)

HTTP security headers kill whole classes of attacks with zero app logic changes, yet under 25% of the web runs a meaningful CSP and 48.8% of those weaken it with unsafe-inline. Here is the complete 2026 checklist: strict nonce CSP, HSTS preload, report-to, and the headers to delete.

How Small Code Quality Issues Quietly Break Accessibility

How Small Code Quality Issues Quietly Break Accessibility (2026 Guide)

A duplicate ID, an unclosed tag, ARIA on the wrong element: small code quality bugs a browser hides and a screen reader exposes. In 2026, pages with ARIA average 59 errors vs 42 without, and WCAG failures hit 95.9%. Here is why markup validity and accessibility are one problem, not two.

Cookie Consent in 2026

Cookie Consent in 2026: What Your Website Legally Needs, Region by Region

Cookie consent in 2026 is not one rule, it is a regional matrix. The EU and UK demand opt-in and an equal Reject button, California and 20+ US states require notice plus a working opt-out and now GPC. Here is what your banner legally needs by region, and why "looks compliant" is not enough.

ADA Title II Deadline Moved to 2027

ADA Title II Deadline Moved to 2027: What the DOJ Actually Changed in 2026

The DOJ moved the ADA Title II compliance deadline to April 2027 for larger public entities and 2028 for smaller ones. But only the date changed. The WCAG 2.1 AA standard, scope, and obligation all stay in force. Here is what the 2026 rule actually did, and why waiting is a trap.