Performance & CDN الأداء والتسريع
Making sites fast — content delivery networks, caching layers, NVMe storage, modern protocols and the metrics Google actually measures.
10 terms in this categoryCDN — Content Delivery Network شبكة توصيل المحتوى (CDN)
A worldwide fleet of edge servers that cache your static files — images, CSS, JS, video — and serve each visitor from th...
NVMe أقراص NVMe
Non-Volatile Memory Express — the storage protocol that connects flash drives straight to the CPU over PCIe lanes, bypas...
Caching التخزين المؤقت (Caching)
Storing computed results so the next request skips the work. The web stacks caches in layers: browser cache, CDN edge ca...
LiteSpeed خادم LiteSpeed
A high-performance web server that drop-in replaces Apache (it reads .htaccess) while serving far more concurrent traffi...
HTTP/3 بروتوكول HTTP/3
The newest version of the web's transfer protocol, built on QUIC over UDP instead of TCP. It removes head-of-line blocki...
Gzip & Brotli Compression ضغط Gzip وBrotli
On-the-fly compression of text responses — HTML, CSS, JS, JSON — before they cross the wire. Gzip is the universal veter...
PHP OPcache
PHP's built-in opcode cache: it keeps the compiled form of your scripts in shared memory, so each request skips re-parsi...
Load Balancer موزّع الأحمال
A traffic director that spreads incoming requests across multiple servers — by round-robin, least-connections or respons...
Latency زمن الاستجابة (Latency)
The delay between asking and receiving — measured in milliseconds, dominated by physical distance and the speed of light...
Core Web Vitals مؤشرات الويب الأساسية
Google's three user-experience metrics that feed directly into search ranking: LCP (Largest Contentful Paint — main cont...