Performance·
Responsive Images Done Right, and the Rest
Correct next/image sizing and caching in a production build, alongside dual font loading, a CDN icon dependency, and unoptimised images.
Read the noteEngineering notes
RECNOS writes up what we find while auditing and building production systems. Each note is drawn from source code read line by line — including the parts that turned out to be stubs, mocks, or dead code.
Last updated: · By The RECNOS Engineering Team
- Technical SEO·
Client-Injected SEO Tags Are Absent From the HTML
Why react-helmet metadata is missing from server-delivered HTML, and what that means for crawlers and social unfurls.
Read the note - Frontend·
Dead Code in a Shipped Frontend
An interactive signage subsystem with no importers, a memoised image component nobody uses, and declared dependencies with zero imports.
Read the note - Technical SEO·
What a File-by-File Code Audit Found
Structured data, conditional canonicals, sitemap index handlers, and dynamic OG images in a production Next.js marketplace.
Read the note - Backend·
Geocoding Bad Matches Fail Safely
A geocoder that rejects partial matches and out-of-bounds coordinates, returning null instead of a plausible wrong location.
Read the note - Technical SEO·
Gating Programmatic Pages on Real Inventory
How a Bangalore PG marketplace publishes locality and intent pages only when the underlying listing count justifies them, and canonicalises the rest.
Read the note