TalkWalker:实时社交营销分析工具是一款可以替代Google Alert的营销利器，用户可以使用该搜索引擎来寻找关键词，查看行业最新消息，检测竞争对手，查看自己品牌的曝光率，并且可以获得自己想要学习的各种资源。Talkwalker is an incredibly powerful social media analytics tool social media monitoring tool recommended by brands and agencies worldwide.
Professional keyword ranking monitoring service with competitor analysis. Free plans.semalt.com
Internetseer provides free website monitoring services and sends instant email alerts when your website is unailable, and a weekly performance report.
Free Web Site Monitoring. Monitor your web site\'s ailability 24 hours a day, 7 days a week with instant email alerts and weekly web site performance statistics.
