User agent
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使用者代理程式(user agent): Search Engine Spiders (Bots), Browsers, Code Validators
Search Engine Spiders (Bots)[edit]
| User Agent | Search Engine |
| Scooter | AltaVista |
| WISENutbot | Looksmart |
| IA Archiver | Alexa |
| MSNBot | MSN |
| Slurp | Inktomi |
| Fast-Webcrawler | AllTheWeb |
| Walhello appie | - |
| Googlebot | (Google or 中文說明) |
| Gaisbot | - |
- Robotstxt.org: The Web Robots Database
- WebmasterWorld Forms: The Search Engine World
- 設定 robots.txt
Web Browsers[edit]
list of web browsers[edit]
MS Internet Explorer
Mozilla及瘦身版 Mozilla Firefox 中文化(Portable Edition),
Google chrome(Portable Edition, 「鍵盤快速鍵」與「快捷操作技巧」)
Opera(Portable Edition), Opera 台灣版──三太子（Nalakuvara）
Safari(Safari 5.1.7 免安裝中文版)- LibWWW,
- Konqueror, and 文字界面的瀏覽軟體: Lynx
- more on List of web browsers(網頁瀏覽器列表)
Chcek Browser Compatibility[edit]
Check Browser Compatibility
Noun explanation
- allowed to interact: the solutions which (1) allowed to interact the web pages e.g. click the link and test javascript (2) view the web snapshot
- view the snapshot only: only allowed to view the static web snapshot
Checking the compatibility of web page[edit]
Can I use... Support tables for HTML5, CSS3, etc "Compatibility tables for support of HTML5, CSS3, SVG and more in desktop and mobile browsers." [Last visited: 2020-08-23]- The Will Will Web | 前端工程研究：HTML/CSS/JavaScript 相容性檢查資源整理
Checking the compatibility of email[edit]
allowed to interact[edit]
desktop browser + mobile browser[edit]
cloud services for testing desktop browsers and mobile browsers
- BrowserStack($) "Cross Browser Testing Tool. 100+ Browsers, Mobile, Real IE." List of Browsers and Platforms for Cross Browser Testing
- Test IE for Chrome
- Test IE for Chrome
- Sauce Labs: Mobile and Web App Testing Tools For Developers($): supported Device/OS/Browser Platforms
testing different screen resolution
mobile browsers[edit]
WARNING: Simulators/emulators for mobile browser testing is different from the browser for real mobile device.
- Mozilla Firefox | Firefox for Android | Download Firefox to your mobile device [Last visited: 2012-06-06] Win
Linux 
- Opera Mini simulator. Require: Java installed
- Device Mode Mobile Emulation for Chrome
- Demo of appetize
alternative
- BlueStacks Run Android on Windows with BlueStacks for Win & macOS
- Genymotion + VirtualBox 教學: (魔神模擬器) Genymotion 2.2.2 - 比BlueStacks還專業的Android安卓手機模擬器 神魔之塔可以玩 - 阿榮福利味
desktop browser[edit]
One PC with different Internet Explorer versions 同一電腦可以有不同版本的Internet Explorer
- Windows 10 virtual machines now available on Microsoft Edge Dev | Microsoft Edge Dev Blog IE8, IE9, IE10, IE11, Microsoft Edge [Last visited: 2016-10-12]
- Internet Explorer Collection(介紹)
- various IE
browser version: IE1.0 ~ IE8 which allow to choose to install IE developer toolbar & Firebug Web development extension during the installation
- various IE
- IETester
- various IE browser version: IE5.5 ~ IE11 emulator
IE9+ emulator not available on Windows XP
- various IE
- browserling - interactive cross-browser testing in your browser Run IE5~9 (Simulated by IETester)
- Microsoft Expression Web SuperPreview(download) IE6, IE7, IE8->7 (compatibility view), IE8, Fx 3.0~3.6
- Windows OS + IE v.10: go to menu: "developer tools" -> switch "browser mode" between: IE10, IE9, IE8, IE7
older version of IE also available at
- IE3.0 ~ IE6.0: Multiple IE
other desktop browser available at
- BrowseEmAll (Standalone tool to run all major Browsers) (shareware)
- Browser Sandbox - Run any browser from the web($) Run Firefox , Chrome , Opera
, Safari 
and mobile browsers from the plug-in, but no IE (last visited: 2011-02-09) - browserling - interactive cross-browser testing in your browser Run IE 5-9 (Simulated by IETester), Firefox v3~10, Chrome v1~16 , Opera v10~11 and Safari v4~5 (last visited: 2012-03-06) Guest can use 3 minute sessions
- portable version of browser such as portable firefox (Firefox 免安裝版)
alternative: Install different virtual machines, ex:
- VirtualBox,
- Windows Virtual PC + IE App Compat VHD from Official Microsoft with different version of browser. For example you install IE v.6 on first virtual machine, and install IE v.7 on another virtual machine.
- VMware ThinApp($)
- ... more on Virtual machine images
See also
further reading
Browser detect[edit]
Display HTTP headers of a web page[edit]
Mail user clients / Mail user agents[edit]
- Can I email… Support tables for HTML and CSS in emails [Last visited: 2026-04-24] e.g. Can I email… webP image format
Grabber[edit]
- Curl "curl is a command line tool for transferring files with URL syntax, supporting FTP, FTPS, HTTP, HTTPS, SCP, SFTP, TFTP, TELNET, DICT, LDAP, LDAPS and FILE." Cited from official website.
- wget
Code Validators (驗證工具)[edit]
Validation service: Markup
- W3C Markup Validation Service(Html, Xhtml) 網頁標記語法驗證
- Free Online HTML Validator - FreeFormatter.com
- W3C CSS Validation Service
- XML Validator offered by W3Schools
- Accessibility validator: HiSoftware Cynthia Says Portal validate Section 508, WAI (?) / WCAG (?)
Linked data / Rich snippets
- Bing 標記驗證程式
- Google Structured Data Testing Tool: Rich snippets
other
- jsFiddle using jsLint[Last visited: 2012-04-21]
- Link Checker
- RSS validator[3] for Atom and RSS
Serverside RSS Agregator[edit]
Bloglines, PubSub.com RSS reader, timboBot, MagpieRSS,
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