Insights

The AndNova engineering blog

Field notes from real projects — benchmarks, post-mortems and architecture decisions, written by the people who shipped them.

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Featured · Performance

Cutting LCP to 1.1 seconds on a legacy Next.js application

We inherited a marketing platform with a 4.8s Largest Contentful Paint and a 62 Lighthouse score. Twelve weeks later it scores 98. Here are the seven changes responsible for 84% of the gain — and the three we tried that made no measurable difference at all.

Lena Torres March 14, 2026 8 min read
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AI
Mar 02, 202611 min

RAG in production: chunking strategies that actually matter

Benchmarks across four chunking approaches on 2.4M enterprise documents.

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Cloud
Feb 21, 20266 min

How we cut a client's AWS bill by 41% in six weeks

Right-sizing, Graviton migration and the savings-plan maths behind it.

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Security
Feb 09, 20269 min

Threat modelling for teams that have never done it

A two-hour STRIDE workshop format that non-security engineers can run.

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Performance
Jan 28, 20267 min

Database indexes: the five queries slowing down your app

How we found 2.1 seconds of avoidable latency in a Postgres workload.

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Kubernetes
Jan 15, 202613 min

Do you actually need Kubernetes? A decision framework

Six questions we ask before recommending a cluster over managed containers.

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Team
Dec 18, 20255 min

Why our sprint demos are open to the whole company

What changed when we stopped writing status reports nobody read.

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Evaluation
Dec 04, 202510 min

Evaluating LLM features without guesswork

Building golden datasets and regression suites for probabilistic systems.

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Code
Nov 22, 20258 min

Trunk-based development on a team of forty

Feature flags, merge queues and the metrics that kept main green.

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