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[Хд] - Как строить большие сайты и приложения Meta Description

Платформы, базы данных, оптимизация, масштабирование, очереди, сервера Test Results Mobile Usability: 100/100 Mobile Speed: 96/100

Quick overview:
Optimize images
Properly formatting and compressing images can save many bytes of data.
Optimize the following images to reduce their size by 20.3KiB (72% reduction).
Compressing and resizing could save 8.1KiB (86% reduction).
Leverage browser caching
Setting an expiry date or a maximum age in the HTTP headers for static resources instructs the browser to load previously downloaded resources from local disk rather than over the network.
Leverage browser caching for the following cacheable resources: (2 hours)

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