technitium/dns-server

Resource Timing is part of the Performance API and enables retrieving and analyzing detailed network timing data for the loading of an application's resources. An application can use the timing metrics to determine, for example, the length of time it takes to load a specific resource (such as an image or a script) either implicitly as part of page load or explicitly from JavaScript, for example using the fetch() API.

dns服务器部署 1.关于dns的名词解释 domain name service(域名解析服务) #关于客户端:# /etc/resolv.conf ##dns指向文件 nameserver 172.25.254.20 A记录 ##ip地址叫做域名的

A CDN (Content Delivery Network) is a group of servers spread out over many locations. These servers store duplicate copies of data so that servers can fulfill data requests based on which servers are closest to the respective end-users. CDNs make for fast service less affected by high traffic.

DNS的安装 yum install bind ##服务端安装 1 DNS服务的启动和关闭 /etc/init.d/named start ##开启DNS服务chkconfig named on ##开启自启/etc/init.d/named stop ##关闭DNS服务 DNS服

JavaScript APIs for WebExtensions can be used inside the extension's background scripts and in any other documents bundled with the extension, including browser action or page action popups, sidebars, options pages, or new tab pages. A few of these APIs can also be accessed by an extension's content scripts. (See the list in the content script guide.)

企业DNS服务器搭建 实验环境 需要两个操作系统，并且有一个需要可以上网，可上网的为服务端，不可上网的为客户端 服务端IP需要和windows的ip属于同一个网段，且网关是一样的，DNS设定为服务端的IP，如此设置可以让服务端又提供服务，也可以检测做客户端 客户端的IP需要和服务端IP是同一个网段，

Use the permissions key to request special powers for your extension. This key is an array of strings, each of which is a permission request.

1、dns服务器部署 1.关于dns的名词解释 dns: domain name service(域名解析服务) 关于客户端: /etc/resolv.conf dns指向文件 nameserver 172.25.254.20 测试： host www.baidu.com 地址

HTML is by default fast and accessible. It is our job, as developers, to ensure that we preserve these two properties when creating or editing HTML code. Complications can occur when, for example, the file size of a embed is too large or when JavaScript parsing blocks the rendering of critical page elements. This article walks you through the key HTML performance features that can drastically improve the quality of your web page.