在更新至 5.12 版本后，应用内新增的测速工具允许用户一键测试当前网络环境的下载、上传速率及延迟情况。
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。关于这个话题，下载安装 谷歌浏览器 开启极速安全的 上网之旅。提供了深入分析
10. SimilarWeb: Traffic Rank & Website Analysis ExtensionSimilar Web is an SEO add on for both Chrome and Firefox.It allows you to check web site traffic and key metrics for any web site, as well as engagement rate, traffic ranking, keyword ranking, and traffic source. this is often a good tool if you are looking to seek out new and effective SEO ways similarly as analyze trends across the web.，推荐阅读safew官方下载获取更多信息
Real-mode programs freely execute CLI and STI to control interrupts, PUSHF and POPF to manipulate flags, INT n for DOS and BIOS calls, and IN/OUT for hardware I/O. In normal protected mode, these instructions are privilege-checked -- they execute normally if the caller has sufficient privilege, and fault otherwise. The 386 can't simply let V86 tasks execute them freely -- a DOS program disabling interrupts would bring down the whole system -- but trapping on every INT 21h call would make V86 impractically slow.，更多细节参见heLLoword翻译官方下载