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AI tools, creative workflows, developer deep-dives, and behind-the-scenes from RAXXO Studios.

8 articles

RAXXO Studios 10 min read

The 1M Context Window vs Prompt Caching: When to Use Which

1M context costs full price on every query, caching cuts repeated tokens to 1/10 Use 1M for one-shot deep dives, caching for repeated calls against fixed docs Hybrid: cache the stable 80%, stream the dynamic 20% fresh Real numbers from...

AI ToolsAnthropicClaude
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Design
RAXXO Studios 10 min

Why I Standardized on Phosphor Icons Across 15 Repos (And Cut 60% of Icon Bundle Size)

Five icon systems across 15 repos created visual drift and 84KB bundles in the worst Next.js app. Phosphor ships six weights from one designer, so...

Development
RAXXO Studios 8 min

Replacing Lodash with Native ES2026: groupBy, fromAsync, toReversed, and 5 More

Lodash adds about 70KB minified, ES2026 covers most utility uses with zero dependencies Object.groupBy and Map.groupBy replace _.groupBy and ship in every modern runtime Array.fromAsync,...

AI Tools
RAXXO Studios 8 min

Shopify Section Rendering API: 6 Patterns That Cut Storefront TTFB by 60%

Cart drawer refresh swaps one section in 180ms instead of reloading the full PDP at 1.2s. Filtered collection grids return only the product list, cutting...

Development
RAXXO Studios 8 min

Astro 5 vs Next.js for Marketing Sites: I Migrated 3 Projects

Next.js dev server cold start hit 14 seconds on a static portfolio, that was the breaking point. Bundle dropped from 187 KB to 9 KB...

Development
RAXXO Studios 8 min

Shopify Theme Performance: From 62 to 98 Lighthouse in One Weekend

I took raxxo.shop from a 62 Lighthouse mobile score to 98 without leaving the Liquid theme, and this is the exact punch list. The biggest...

Development
RAXXO Studios 10 min

The 7 Postgres Indexes That Took My API From 400ms to 40ms

I took one of my APIs from 400ms p95 to 40ms p95 by fixing 7 missing or wrong Postgres indexes. Most of my slow queries...

AI Tools
RAXXO Studios 2 min

Pure CSS Animations That Replace JavaScript Libraries

Radar sweeps, HUD effects, floating labels. All pure CSS, zero dependencies, 60fps.