Google PageSpeed ?? 在移动设备上向我显示“正确大小的图像”错误。
它加载了错误的链接(仅限移动设备): wp-content/uploads/2019/07/od-nave-yaad-1024x1024.jpg
我究竟做错了什么?
<picture width="150" height="150" class="attachment-thumbnail size-thumbnail">
<source type="image/webp" sizes="(max-width: 150px) 100vw, 150px" srcset="wp-content/uploads/2019/07/od-nave-yaad-150x150.jpg.webp, wp-content/uploads/2019/07/od-nave-yaad-1024x1024.jpg.webp 1024w, wp-content/uploads/2019/07/od-nave-yaad.jpg.webp 300w">
<img src="wp-content/uploads/2019/07/od-nave-yaad-150x150.jpg" alt="" sizes="(max-width: 150px) 100vw, 150px" srcset="wp-content/uploads/2019/07/od-nave-yaad-150x150.jpg 150w, wp-content/uploads/2019/07/od-nave-yaad-1024x1024.jpg 1024w, wp-content/uploads/2019/07/od-nave-yaad.jpg 300w">
</picture>
Run Code Online (Sandbox Code Playgroud) 我使用 PHP SocketIO 类连接 NodeJS 应用程序并发送消息。Socket.io 2 一切都运行得很好,但升级到版本 3 后,PHP 集成停止工作。
当我发送请求时,我收到以下回复:
HTTP/1.1 101 Switching Protocols
Upgrade: websocket
Connection: Upgrade
Sec-WebSocket-Accept: hNcappwZIQEbMz7ZGWS71lNcROc=
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但即使我尝试使用“连接”事件记录与服务器的任何连接,我也没有在 NodeJS 端看到任何内容。
这是 PHP 类:
class SocketIO
{
/**
* @param null $host - $host of socket server
* @param null $port - port of socket server
* @param string $action - action to execute in sockt server
* @param null $data - message to socket server
* @param string $address - addres of socket.io on socket …
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