Recommended Browser Extensions

Introducing "Phone Simulator," a Chrome extension that realistically simulates over 25 smartphones and tablets at actual device size directly in your browser. With support for screen rotation and responsive testing, it’s a handy tool for web developers and designers to preview mobile layouts effortlessly.

Introducing "LLMO Checker", a free Chrome extension that evaluates websites with 19 criteria for AI and large language models and displays scores. It supports structured data assessments and E-E-A-T evaluations, and provides detailed diagnostic reports and PDF downloads. The tool is designed with website optimization and privacy protection in mind.

Peek is a Chrome extension that analyzes colors and typography from any website and can export style code in various formats such as CSS, SCSS, Tailwind CSS, and JSON. It supports design token extraction and web design analysis, and features privacy protection and fast extraction.

Introducing WhatRuns, a free Chrome extension that detects a website's technology stack with a single click. It offers a variety of features including technology detection, web technology analysis, WordPress plugin detection, CMS identification, site technology notifications, and font recognition, and is noted as a lightweight, high-accuracy technology analysis tool.

Introducing UI Testing Inspector, a convenient Chrome extension that makes visual regression testing and DOM analysis simple. All data is managed locally for peace of mind and security. Perfect for improving efficiency in frontend development and UI/UX design!

SEO最適化を手軽に！Chrome拡張「On Page SEO Checker」で、ワンクリックスキャン、スコア分析、詳細データ確認が可能。初心者もプロも効率的に診断＆改善！