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Web Ping: Difference between revisions

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* [http://www.labnol.org/internet/blogging/test-website-blocked-in-china-or-accessible/3262/ How to Check If Your Website Is Blocked In China or Not]
* [http://www.labnol.org/internet/blogging/test-website-blocked-in-china-or-accessible/3262/ How to Check If Your Website Is Blocked In China or Not]


: [[Image:Owl icon.jpg]] 了解什麼是[http://zh.wikipedia.org/wiki/%E9%87%91%E7%9B%BE%E5%B7%A5%E7%A8%8B 中國的防火長城(GFW, Great Firewall of China)]？
{{Tips}} 了解什麼是[http://zh.wikipedia.org/wiki/%E9%87%91%E7%9B%BE%E5%B7%A5%E7%A8%8B 中國的防火長城(GFW, Great Firewall of China)]？


==== 使用國外 VPN 服務測試網路連線 ====
==== 使用國外 VPN 服務測試網路連線 ====
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=== 分析網頁連線下載速度 ===
=== 分析網頁連線下載速度 ===
* {{Gd}} [http://developer.yahoo.com/yslow/ Yahoo! YSlow] + [http://www.getfirebug.com/ Firebug] for {{Fx}}: [http://www.getfirebug.com/net.html Firebug and Network Monitoring] (說明: [http://briian.com/?p=5526 Firebug 幫網頁稱重量、測速度，抓出拖慢網站的元兇！　　【重灌狂人】])操作方式: 按{{kbd | key=F12}} 啟動Firebug, 然後切換到「網路」標籤
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
: http://farm3.static.flickr.com/2083/1776124036_800ff3441d_o.jpg
[[Optimize webpage speed]]
: Image hosted by [http://www.flickr.com/photos/planetoid/1776124036/ Flickr]
 
* [http://www.fiddler2.com/fiddler2/ Fiddler Web Debugger - A free web debugging tool]
: http://farm6.static.flickr.com/5213/5457161299_6410ae7c01.jpg
: Image hosted by [http://www.flickr.com/photos/planetoid/5457161299/in/photostream/ flickr]
 
* [http://www.httpwatch.com/ HttpWatch: An HTTP Viewer and HTTP Sniffer] for {{IE}} 6 & 7 & {{Fx}}
** 介紹: [http://steachs.com/archives/1450 網頁診斷工具【HttpWatch Basic Edition】即時分析網頁瀏覽數據 for IE、Firefox]
 
* [https://addons.mozilla.org/en-US/firefox/addon/httpfox/ HttpFox][http://code.google.com/p/httpfox/]  An HTTP analyzer addon for {{Fx}}
 
* [http://tools.pingdom.com/fpt/ Pingdom Tools]([http://www.flickr.com/photos/planetoid/5096188393/ 圖例]): (a)測試網頁各元件載入時間(Full page test)，圖形化呈現載入時間長短，藉此觀察網頁效能、 (b)以及從Pingdom Tools網站到目標網站的連線檢查(Ping、trace route)
 
* [http://webwait.com/ WebWait - Benchmark Your Website] 網頁下載計時器
 
* [http://www.websiteoptimization.com/ Web Site Optimization: Speed Up Your Site website opion web speed optimize web site performance company] --> Web Page Analyzer
 
* [https://chrome.google.com/extensions/detail/ognampngfcbddbfemdapefohjiobgbdl Speed Tracer (by Google)] for {{Chrome}}
 
* [http://www.webpagetest.org/ WebPagetest - Website Performance and Optimization Test]
 
* [https://www.giftofspeed.com/ Test & Optimize Website Speed - GiftOfSpeed] 可以選擇從荷蘭、美國、英國、新加坡、德國其中一處連線測試。測試結果包含不同網頁元件下載所需時間。{{access | date = 2016-07-28}}


==== Monitor HTTP request ====
=== Monitor HTTP request ===
追蹤瀏覽器提出的網站網址要求(ex: URL of AJAX JSON)
追蹤瀏覽器提出的網站網址要求(ex: URL of AJAX JSON)
* [http://www.fiddler2.com/fiddler2/ Fiddler Web Debugger - A free web debugging tool] for {{Win}}
* [http://www.fiddler2.com/fiddler2/ Fiddler Web Debugger - A free web debugging tool] for {{Win}}
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* [http://www.httpwatch.com/ HttpWatch 8.5: Seamless HTTP monitoring for IE and Firefox] for {{IE}} & {{Fx}}
* [http://www.httpwatch.com/ HttpWatch 8.5: Seamless HTTP monitoring for IE and Firefox] for {{IE}} & {{Fx}}
* {{Chrome}} 工具 -> 開發人員工具 -> Network
* {{Chrome}} 工具 -> 開發人員工具 -> Network
==== 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 ====
[[Optimize webpage speed]]


=== 觀察HTTP response status code(HTTP回應狀態代碼) ===
=== 觀察HTTP response status code(HTTP回應狀態代碼) ===
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* [http://www.senderbase.org/ SenderBase]
* [http://www.senderbase.org/ SenderBase]


=== Domain Categorization ==
=== Domain Categorization ===
* Cloudflare's categorization e.g. [https://radar.cloudflare.com/domains/feedback/apple.com Cloudflare Radar] of apple.com
* Cloudflare's categorization e.g. [https://radar.cloudflare.com/domains/feedback/apple.com Cloudflare Radar] of apple.com


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== 無法網路連線 ==
== 無法網路連線 ==
To distinguish which section met trouble
# ping local IP
# ping local IP
# ping Gateway
# ping Gateway
# check DNS...
# check DNS...
# (optional) ping the IP of external website (有些機器會關閉ICMP ECHO，讓我們無法Ping到它)
# ping the remote IP of external website<ref>[https://www.wkb.idv.tw/moodle/mod/page/view.php?id=10467&lang=zh_tw IPv6_2017: IPv6連線互測-ping]</ref> (有些機器會關閉ICMP ECHO，讓我們無法Ping到它)
distinguish which section met trouble
#* {{Win}} keyin {{kbd | key=<nowiki>ping <IPv4></nowiki>}} e.g. {{kbd | key=<nowiki>ping 8.8.8.8</nowiki>}} (8.8.8.8 is the IP of [https://developers.google.com/speed/public-dns/docs/using?hl=zh-tw Google Public DNS])
#* {{Win}} keyin {{kbd | key=<nowiki>ping -6 <IPv6></nowiki>}} e.g. {{kbd | key=<nowiki>ping -6 2001:4860:4860::8888</nowiki>}}


== 無法連線到網路的測試步驟 ==
== 無法連線到網路的測試步驟 ==
Retrieved from "https://wiki.planetoid.info/index.php/Web_Ping"