Flickr Justified Block

Flickr Justified Block A powerful WordPress Gutenberg block that creates beautiful justified photo galleries from Flickr albums, individual photos, or direct image URLs. Features intelligent caching, automatic pagination, and built-in lightbox. Last updated: 2026-04-05 ✨ Features 🎨 Justified Layout Engine - True justified galleries with optimal row heights calculated from image aspect ratios - Responsive breakpoints - control columns per screen size (mobile, tablet, desktop) - Auto or fixed row heights with viewport-aware sizing 🚀 Smart Caching System - Multi-level caching - request-level + WordPress transients - Configurable TTL with cache versioning - Negative caching for private photos - Rate-limit detection with automatic backoff ⚡ Background Cache Warming - WP-Cron integration pre-fetches Flickr data before visitors arrive - Configurable batch sizes and fast/slow modes - Prevents API rate limits during high traffic 📄 Automatic Album Pagination - Large albums load page-by-page as visitors scroll - IntersectionObserver triggers seamless loading - Scroll position preservation for smooth UX 🔄 Image Fallback Recovery - Detects expired Flickr URLs (404s) - Automatically fetc