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(→分析網頁連線下載速度,並提供網站開發者建議的服務或軟體: +web.dev) |
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* [http://www.just-ping.com/ just ping]: Free online ping from 50 locations worldwide(includes China) {{exclaim}} 如果網站關閉 {{Acronym | acronym= ICMP | def= Internet Control Message Protocol}} 回應,會導致測試結果顯示為「Packets lost (100%)」,但是其實網站是可以連線的。{{access | date = 2013-05-13}} | * [http://www.just-ping.com/ just ping]: Free online ping from 50 locations worldwide(includes China) {{exclaim}} 如果網站關閉 {{Acronym | acronym= ICMP | def= Internet Control Message Protocol}} 回應,會導致測試結果顯示為「Packets lost (100%)」,但是其實網站是可以連線的。{{access | date = 2013-05-13}} | ||
* [https://dnschecker.org/ DNS Checker - DNS Check Propagation Tool] {{access | date=2019-02-02}} | |||
* ''out of service'' [http://wasitup.com/ was it up?]{{access | date=2012-02-05}} | * ''out of service'' [http://wasitup.com/ was it up?]{{access | date=2012-02-05}} | ||