链接名称 | 反链域名 | 结果 |
---|---|---|
USGS Home | https://www.usgs.gov | |
Legal | https://www.usgs.gov/policies-and-notices | |
Accessibility | https://www.usgs.gov/accessibility-and-us-geological-survey | |
Site Map | https://www.usgs.gov/sitemap | |
Contact USGS | https://answers.usgs.gov/ | |
FOIA | https://www.usgs.gov/foia |
注:有安装类似安全狗软件会影响测试结果。 死链接 - 也称无效链接,即那些不可达到的链接。