Engineering Resilience: Two Lessons from Building Under Pressure
A reflection on performance optimization at scale and building reliability mechanisms; two tasks that defined my internship. Every engineering interns…
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Image Optimization for Modern Web Applications: Formats, CDNs, Automation
Images account for 50-70% of a typical web page's weight. Optimizing them properly — choosing the right format, generating responsive sizes, automatin…
Why We Rebuilt Our Magento Checkout with React: Performance Results
Magento's default Luma checkout loads a heavy Knockout.js stack, dozens of RequireJS modules, and payment iframes that fight for the main thread. For …
WASM SIMD by example: 16 RGB pixels to grayscale per instruction
I finally understood WASM SIMD by writing a real kernel: RGB → grayscale luma, 16 pixels per instruction instead of one at a time. Same math, ~4× fast…
HTML-First Websites Are Quietly Winning Again in 2026
TL;DR: HTML-first means shipping real, server-rendered content before any JavaScript runs, then adding scripts only where they earn their place. In 20…
Token Cost Optimization: How to Cut LLM Inference Spend Without Cutting Quality
There is a version of token cost optimization that I do not recommend: cutting token counts by reducing the quality of your system prompt, your retrie…
Streaming 25 Million Excel Cells Through 7 MB of Memory
Streaming 25 Million Excel Cells Through 7 MB of Memory TL;DR: I built an export pipeline that streams 15M+ records as formatted Excel files inside ZI…
How I Cut SQL Query Time from 45 Seconds to 8 Seconds on 2.3 Million Rows
I inherited a SQL Server database with 2.3 million rows. Queries took 45 seconds. Users were frustrated. Dashboards timed out. Here is exactly what I …
How I Cut SQL Query Time from 45 Seconds to 8 Seconds on 2.3 Million Rows
I inherited a SQL Server database with 2.3 million rows. Queries took 45 seconds. Users were frustrated. Dashboards timed out. Here is exactly what I …
I Cut My Next.js + Supabase App Load Time by 73% - Here Are the 5 Techniques That Actually Worked
I Cut My Next.js + Supabase App Load Time by 73% - Here Are the 5 Techniques That Actually Worked Last month, our SaaS dashboard was embarrassingly sl…
Next.js + Supabase Performance Optimization: From Slow to Lightning Fast
Next.js + Supabase Performance Optimization: From Slow to Lightning Fast Last month, I optimized a Next.js + Supabase application that was frustrating…
Mobile Game Power Optimization: Why 30 FPS vs 60 FPS Can Double Energy Usage (Real Data Breakdown)
Introduction Real-world mobile game power consumption varies significantly across rendering complexity, frame rate, and device workload distribution. …
Cколько железа нужно ИИ-агенту? Как мы считали ресурсы для on-premise LLM и почему калькуляторы ошиблись в 5 раз
На связи Сергей Смирнов, AI-инженер и основатель LLMStart.ru. Один из самых частых вопросов от бизнеса: «Сколько и какого железа нужно, чтобы разверну…
How to see running queries in Postgres and kill them
Something is slow. Maybe a page takes forever to load, maybe a migration is hanging, maybe your Supabase dashboard just spins. You suspect a query is …
How I Built an AI-Powered Adult (Porn) Content Scanner for Windows (And the Engineering Challenges I Didn't Expect)
Building an AI-Powered Content Scanner for Windows: Performance, Multithreading and GPU Acceleration in .NET Building software always looks straightfo…
Running a High-Performance AI Gateway on Kubernetes
Bifrost, the open-source AI gateway, handles thousands of concurrent LLM requests on Kubernetes with near-zero overhead, autoscaling, and centralized …
JavaScript Performance: Making Your Apps Fast (2026)
JavaScript Performance: Making Your Apps Fast (2026) Performance isn't about premature optimization — it's about understanding what makes JavaScript s…
Optimizing images stored on S3 with ShortPixel: a Laravel walkthrough
If your Laravel app lets users upload images and sends them straight to S3, there is a good chance you are storing files much larger than they need to…
Building Zyke: A High-Performance Community Platform with HTMX, Redis, and CKEditor
When I set out to build Zyke: zyke.social , my goal was simple. I wanted a community platform that was incredibly fast, deeply optimized for search en…
What Is the Difference Between Functional, Performance, and Security API Testing
Three distinct questions, three distinct disciplines and confusing them is how bugs, outages, and breaches get through. Most teams start with one type…
Building a Sovereign Home Server: Lessons Learned Running Nextcloud, Euro-Office, and Frigate on a Raspberry Pi 5
A single-board computer like the Raspberry Pi 5 (8GB) can be surprisingly capable when properly optimized. Running a complete NVR with AI object detec…
MTP Isn't Always a Win: 1.95x on My 3090, but Speculative Decoding Is Hardware-Dependent
In my MTP post , speculative decoding roughly doubled Qwen3.6-27B generation on a 3090. It's tempting to read that as "turn on MTP, go faster." So I m…
How a pure-Python jq ended up 40x faster than the C bindings
I spent yesterday building purejq , a pure-Python implementation of jq. I expected it to be the slow-but-portable option. Then I benchmarked it agains…
Defeating the OFFSET Penalty: Cursor Pagination in Laravel
The Hidden O(N) Pagination Trap When building data-heavy B2B SaaS platforms at Smart Tech Devs, rendering lists of invoices, logs, or user rosters is …
Laravel `Bus::bulk()`: Faster Dispatch, Harder Queue Tradeoffs
Bus::bulk() is not a fancy alias for dispatch() in a loop, and it is definitely not a lighter Bus::batch() . In Laravel 13, it is a lower-level dispat…
Ollama 0.30 GPU Boost: Faster local Qwen inference on NVIDIA
This stack uses Ollama 0.30 to make desktop GPU inference faster. The latest Ollama release adds wider Vulkan/NVIDIA support, better GGUF compatibilit…
How Databases Impact System Scalability and Speed in Software Engineering
Databases are core to most software systems, and their design directly influences both scalability and performance. Here’s what every engineer should …
Rails Performance Optimization: Fixing N+1 Queries with includes, preload, and eager_load
Originally published on Hashnode: https://railswithyashika.hashnode.dev/rails-performance-n-plus-one-queries When working with associations in Rails, …
How I made cssnano ~30% faster
Introduction In 2025 I started contributing to cssnano , the CSS minifier that runs at the end of a lot of build pipelines. If you use PostCSS, there'…
Debugging and Eliminating Invisible Memory Leaks in Node.js Event Loops
When building microservices or background worker processes that are meant to run continuously for months at a time, memory management becomes critical…