https://cn.gravatar.com/avatar/4c6e391ddde7dae7d9ebf03bb584c064?s=73&d=retro

这里需要一个哈希值来确定头像的唯一性, 通过MD5加密就可以.

s是尺寸, d是类型对应如下

retro

https://gravatar.loli.net/avatar/4c6e391ddde7dae7d9ebf03bb584c064?s=73&d=retro

mm

https://gravatar.loli.net/avatar/4c6e391ddde7dae7d9ebf03bb584c064?s=73&d=mm

identicon

https://gravatar.loli.net/avatar/4c6e391ddde7dae7d9ebf03bb584c064?s=73&d=identicon

monsterid

https://gravatar.loli.net/avatar/4c6e391ddde7dae7d9ebf03bb584c064?s=73&d=monsterid

wavatar

https://gravatar.loli.net/avatar/4c6e391ddde7dae7d9ebf03bb584c064?s=73&d=wavatar

blank

https://gravatar.loli.net/avatar/4c6e391ddde7dae7d9ebf03bb584c064?s=73&d=blank

因为域名被强了, 可以更换如下域名
https://gravatar.loli.top/
Loli源 https://gravatar.loli.net/avatar/
极客族 https://sdn.geekzu.org/avatar
V2EX源 https://cdn.v2ex.com/gravatar
gravatar官方的www源 https://www.gravatar.com/avatar
gravatar官方的cn源 https://cn.gravatar.com/avatar
gravatar官方的]en源 https://en.gravatar.com/avatar
gravatar官方的secure源 https://secure.gravatar.com/avatar

loli.net

geekzu.org

v2ex.com

cn.gravatar.com

secure.gravatar.com