Web Performance15 min read
CLS Issues Caused by Fonts, Ads, and Hydration
Is your layout jumping unexpectedly? Learn how to fix Cumulative Layout Shift caused by web fonts, unreserved ad slots, and hydration mismatches in modern frontends.
Blog
Insights & Updates
Practical articles on code quality, web performance, accessibility, and developer tooling — written by the engineers building CodeAva.
Technical SEO17 min read
How to Audit Crawlability After a Site Migration
Just moved to a new domain or architecture? Learn how to audit crawlability, fix redirect chains, align canonicals, and help search engines discover your new site structure safely.
Accessibility18 min read
Accessibility Mistakes in Custom Selects, Date Pickers, and Autocomplete Fields
Are your custom form controls a keyboard trap? Learn the accessibility mistakes that break custom selects, date pickers, and autocomplete fields in modern web apps.
Technical SEO15 min read
Canonical Tags for JavaScript & Headless Websites
Are your React, Vue, or headless pages creating duplicate-content issues? Learn how canonical tags should work in SSR and JavaScript environments, and how to avoid conflicting signals.
Web Development17 min read
CORS Errors Explained: Preflight Requests, Credentials, and Common Misconfigurations
Trapped by the dreaded CORS error? Learn how preflight requests work, why credentials break wildcard policies, and how to fix common cross-origin misconfigurations.
Accessibility15 min read
Keyboard Navigation Testing Checklist for Web Apps
Throw away your mouse. Learn how to test web apps for keyboard accessibility, focus order, visible focus states, skip links, and modal containment.
Technical SEO15 min read
Schema.org vs. Google Rich Results: Why Valid JSON-LD Doesn’t Guarantee Display
Your JSON-LD validates, but Google still is not showing stars, FAQs, or rich snippets. Learn the difference between Schema.org syntax, Google eligibility, and actual rich-result display.
Web Performance16 min read
LCP Debugging Checklist for Modern Frontends
Failing Largest Contentful Paint? Use this practical checklist to debug TTFB, resource discovery, fetch priority, render delay, and heavyweight hero assets in modern frontends.
Accessibility15 min read
How to Build Accessible Tabs, Accordions, and Menus (The ARIA Guide)
Stop building interactive UI with div onClick. Learn the exact ARIA roles, states, and keyboard patterns needed for accessible tabs, accordions, and menus.
Security10 min read
How to Read a QR Code From a Screenshot on Your Laptop Without Using Your Phone
Someone sent you a QR code on Slack or email, but you are on your laptop. Learn how to decode QR code screenshots securely on Mac or Windows without needing your phone.
Application Security16 min read
Security Headers Every Production Website Should Send
Stop failing penetration tests. Use this practical production checklist for HTTP security headers, including HSTS, CSP, nosniff, Referrer-Policy, and what old headers you should remove.
Technical SEO11 min read
Hyphens vs. Underscores in URLs: What Actually Matters for SEO?
Still debating hyphens vs underscores in URLs? Learn what Google actually recommends, what really matters for SEO, and how to standardize slugs without creating migration headaches.
Performance14 min read
A Practical Guide to Finding Real INP Bottlenecks in Production
Stop guessing why your INP is high. Learn a practical workflow for finding real interaction bottlenecks in production using CrUX, RUM, web-vitals attribution, and DevTools.
Email & DNS Security14 min read
DMARC Pass vs. SPF Pass vs. DKIM Pass: Why They Aren’t the Same Thing
Passing SPF or DKIM does not mean your emails are secure. Learn the critical difference between email authentication and DMARC alignment, and why your emails still land in spam.
Technical SEO13 min read
Why Google Rewrites Your Title Tags and Meta Descriptions (And How to Stop It)
Frustrated that your perfect meta tags are not appearing in search? Learn why Google rewrites titles and snippets, and how to improve your chances of keeping the message you intended.