lazy loading image will be helpful to improve performance

High performance real-time prefix search, indexes store in Redis for Rails application.

Better rails debugger can analyze memory issues only by the moment, but performance is planned.

MCP interface for rails-pg-extras. It enables LLMs to analyze the PostgreSQL metadata and performance metrics.

ActionInsight is a robust analysis and error management package tailored for the Ruby on Rails ecosystem. Developed with the intent of enhancing web application performance and reliability, ActionInsight tracks the components operating in the background of your application, analyzes processes ove...

System Metrics is a Rails 3 Engine that provides a clean web interface to the performance metrics instrumented with ActiveSupport::Notifications

Cardinal is a modular, “mobile-first” CSS framework built with performance and scalability in mind.

Call malloc_trim(0) on GC Impact: - 99th percentile performance is slightly impacted. - CPU is very slightly higher Inspired by Philipp Tessenow's malloc_trim gem

Pop this gem in your rails >= 3 application. This gem will utilize statsd and easily track basic performance stats for your application.

The easiest way to get random records from database with best performance that you ever seen.

This gem gives your rails app the ability to create large data reports, without influencing the performance of the app server.

Wor-prof (Wprof) is a gem for Ruby On Rails which its only purpose is to measure a RoR app's performance through a profile with different times of response. Catch all request and save them into a database, csv file or send to external service, it's easy to configure and use. Wprof can take meas...

Ruby2HTML empowers developers to write view logic in pure Ruby, seamlessly converting it into clean, well-formatted HTML. Enhance your templating workflow, improve readability, and leverage the full power of Ruby in your views. Features include Rails integration, custom component support, automat...

See in Rails console how many records your query returns. It can help with solving performance issues.

Counter caches for Rails applications, including cached running counts. Using redis and native PostgreSQL features for performance gains

Magnific Popup is a responsive jQuery lightbox plugin that is focused on performance and providing best experience for user with any device (Zepto.js compatible).

Magnific Popup is a free responsive jQuery lightbox plugin that is focused on performance and providing best experience for user with any device

This gem reduces storage needed for Rails cache by using Brotli compression, which can produce outputs smaller by ~20% and offers better performance than Gzip.

Include "Lightning-Fast Modular CSS with No Side Effects" Basscss in Rails. Basscss is a lightweight collection of base element styles and immutable utilities designed for speed, clarity, performance, and scalability.

CAUTION: Use this gem at your own risk. If you use gems that depends on the thread_safe gem, e.g. Rails, but your application is not doing any threading, then thread_hazardous can bring you a few performance improvements at the cost of making these dependencies non thread safe.