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Edge Security Acceleration:Content optimization rules

Last Updated:Mar 17, 2026

Alibaba Cloud Edge Security Acceleration (ESA) provides fine-grained control over rule configuration. Content optimization rules process only requests that match specified conditions. This lets you configure comprehensive optimization rules for the domain name of your ESA site, improving your website's performance and user experience.

Features

Note

Content optimization rules process only requests that match the specified conditions.

Configuration item

Description

File compression

ESA compresses static resources to reduce data transfer sizes and improve page load speeds.

Image optimization

Edge Security Acceleration (ESA) provides image transformation features. It transforms the format or quality of origin images, crops and scales them, and caches the results. This improves image delivery speed and reduces back-to-origin traffic.

Video processing

In on-demand video/audio streaming scenarios, the video processing feature of ESA provides a seamless playback experience by identifying the nearest previous keyframe to the requested playback position and loading the corresponding video segment.

Support by plan

Feature

Entrance

Pro

Premium

Enterprise

Number of rules

10

25 entries

50

100 entries