OSS gzips the static contents of common webpages (HTML, Javascript, XML, and JSON) by adding Accept-Encoding to the header of the Get request, but the following conditions must be met:
- File size must be equal to or greater than 1 KB.
- Content-Type must be text/cache-manifest, text/xml, text/plain, text/css, application/javascript, application/x-javascript, application/rss+xml, application/json, or text/json.
API Reference
Request example:
GET /ossutil.txt HTTP/1.1
Host: agent-test1.oss-cn-qingdao.aliyuncs.com
User-Agent: curl/7.47.0
Accept: */*
Accept-Encoding: gzip
Response example:
HTTP/1.1 200 OK
Server: AliyunOSS
Date: Thu, 23 May 2019 02:03:39 GMT
Content-Type: text/plain; charset=utf-8
Transfer-Encoding: chunked
Connection: keep-alive
Vary: Accept-Encoding
x-oss-request-id: 5CE5FF7BFEC931F2900F9F2A
Last-Modified: Thu, 23 May 2019 02:01:11 GMT
x-oss-object-type: Normal
x-oss-hash-crc64ecma: 3161812495027039701
x-oss-storage-class: Standard
Content-MD5: XSpWpgD//mzytMaVJCE77w==
x-oss-server-time: 0
Content-Encoding: gzip
[965 bytes data]