otsukare Thoughts after a day of work

Articles by Karl Dubost

  1. Thu, 02 Jul 2015 Web Components, Stories Of Scars

    The Web Components battle has the smell of an old modularity battlefield: CDF.

  2. Tue, 30 Jun 2015 Watch A Computing Engineer Live Coding

    Many people have a really hard time to understand what a computing engineer does and why it takes so much time, here an answer.

  3. Thu, 18 Jun 2015 Working with emails on projects

    Emails are not a bad way of working if everyone is using them correctly.

  4. Wed, 17 Jun 2015 Working on mozilla-central with SublimeText

    Because I want to minimize my hassles, I have started a project configuration for mozilla-central in SublimeText.

  5. Fri, 12 Jun 2015 Just Patch This! (or 101 for patching Firefox)

    After finding a difference of behaviors in between browsers, I went on a journey of modifying Firefox through a patch.

  6. Mon, 08 Jun 2015 Old CSS syntax with prefixes

    The damage of keeping old CSS syntax without the new standardized properties.

  7. Mon, 01 Jun 2015 What a Web developer should know about cross compatibility?

    A reddit question about Web compatibility asking what are the essentials to know.

  8. Tue, 12 May 2015 Benefits on fixing a Web site with regards to Web Compatibility

    How do you convince people that they really need to fix their Web site.

  9. Mon, 11 May 2015 How To Contact Web Sites For Web Compatibility Issues

    Solving Web Compatibility issues require to contact people. How do you find the right contact information when you have no personal connection with the site.

  10. Fri, 17 Apr 2015 Web Compatibility in Japan

    Some findings and possible actions for Web Compatibility in Japan

  11. Thu, 26 Mar 2015 Refresh HTTP Header

    On documenting outdated and deprecated features but still implemented.

  12. Tue, 10 Mar 2015 Security and Technical Specifications Review

    Reviewing specification is definitely a good way to learn about technologies and understand them in a more global way.

  13. Thu, 26 Feb 2015 Bugs and spring cleaning

    Bugs get quickly old and forgotten. Knowing when and how to attract a renewed focus on them is difficult. Let's explore some ideas.

  14. Wed, 25 Feb 2015 Web Compatibility Summit 2015

    A summary of the Web Compatibility Summit we held in Mountain View on February 18, 2015.

  15. Thu, 29 Jan 2015 Hired in Taipei? Cool Intros.

    Newly hired introductions to the rest of Mozilla do not have to be boring.

  16. Sun, 25 Jan 2015 Working With Transparency Habits. Something To Learn.

    We often forgot that working openly is not something that many people understand or are used to.

  17. Mon, 22 Dec 2014 UA Detection and code libs legacy

    When developing a Web site, we rely on plenty of scripts and libraries. These are becoming too quickly legacy.

  18. Wed, 10 Dec 2014 Pop Out The Table

    max-width CSS property seems to be an easy win for fluid design, but it creates Web compatibility issues in some circumstances.

  19. Wed, 26 Nov 2014 Fix Your Flexbox Web site

    Mostly in Asia, many Web sites are designed using -webkit- CSS web properties. Sometimes the fix is really easy. Here the case of hao123.com.

  20. Wed, 12 Nov 2014 How To Properly Configure Your Browser For Web Compatibility Forensics

    Testing Web compatibility issues requires to have the most neutral environment possible. We are explaining how to configure Firefox on a clean profile.

  21. Tue, 04 Nov 2014 The Message, The Trigger And The Ugly: Web Agencies Priorities And Skills

    Web agencies develop skills and abilities around a core set of values and often miss the boat for other parts.

  22. Tue, 28 Oct 2014 List Of Google Web Compatibility Bugs On Firefox

    Web Compatibility bugs are touching many sites across the world. Google services create issues with Firefox and other browsers, here's a list.

  23. Mon, 27 Oct 2014 How to deactivate UA override on Firefox OS

    Learn how to remove the UA override from Firefox OS.

  24. Tue, 21 Oct 2014 Monitoring Web page differences on a long term with screenshots

    Monitoring web pages changes more or less automatically is a challenge. There are different techniques. Would it be possible to use screenshots?

  25. Fri, 08 Aug 2014 Lightspeed and Blackhole

    Browsers have a ton of legacy in their UI and UX due to the first time, they have been built. How can we improve them?

  26. Fri, 01 Aug 2014 IE is aliasing some WebKit properties

    IE has implemented some aliases for WebKit properties. What does it mean?

  27. Wed, 30 Jul 2014 Reducing your bandwidth bill by customizing 404 responses.

    Why would we waste bandwidth for automatic browser requests? Here some quick tips on how to configure your server to save a bit of bandwidth.

  28. Thu, 03 Jul 2014 Mediaqueries need space to be successful

    An issue with mediaqueries syntax which is failing everywhere but Safari.

  29. Fri, 20 Jun 2014 Mentor Bugs in Bugzilla

    Counting Mentor Bugs With Python

  30. Mon, 02 Jun 2014 How To Find A Bug (for Web Compatibility)

    Very simple step by step way of finding bugs in Bugzilla.

  31. Tue, 27 May 2014 Subtle Modifications to the UA, Big Consequences

    The battle over UA simplification is on many fronts.

  32. Mon, 26 May 2014 Sniffing in China and WAP

    Each local market has patterns of bad practices. Here in China, we noticed quite a number of sites sending Firefox OS WAP content.

  33. Fri, 16 May 2014 Large Scale Testing Automation for Web Compatibility

    How do you test for Web Compatibility across browsers and Web sites? Discover sitecomptester-extension.

  34. Mon, 31 Mar 2014 User Agent Detection Use Cases

    User Agent detection is a delicate technique with many pitfalls. What is it? Why do people need it? Do we need to rethink it?

  35. Mon, 24 Mar 2014 Web Compatibility in China

    Trip repory about Web Chinese Market and Web Compatibility issues as of March 2014.

  36. Thu, 20 Feb 2014 To HTTP is not a verb or testing is hard stuff

    The implementation of HTTP verbs is sometimes surprising. It makes the testing harder.

  37. Thu, 23 Jan 2014 Flexbox old syntax to new syntax converter

    How adding a few CSS flexbox new syntax properties fix things quickly.

  38. Mon, 06 Jan 2014 Old browsers, does it matter?

    When old is old when we consider browsers?

  39. Wed, 04 Dec 2013 Future Fail and User Agent Sniffing

    So what do you mean when you say future fail?

  40. Tue, 03 Dec 2013 Spelling, Forms and Browsers

    When typing text in forms there are cases where it is practical to have autocomplete and spelling from the browser and sometimes when it's not. Let's go through it.

  41. Fri, 29 Nov 2013 Thanks Giving Design For Planet Web Compatibility

    We created Web compatibility planet, time to uglify the Web.

  42. Wed, 27 Nov 2013 I like it hardcoded, but not in my code (SFW)

    When hardcoded string is bad, even for UA detection.

  43. Fri, 22 Nov 2013 The Three Kingdoms Of CNet

    Here a classical example on the many ways the User-Agent detection is not living by its promises.

  44. Wed, 20 Nov 2013 How To Set Up a Web Compatibility Activity

    You started a new product, a new browser and you realize that it is failing on some Web sites at a large scale. You want to fix this. Here a few ideas on how to start your own Web compatibility activity.

  45. Fri, 08 Nov 2013 Browsers Never Lie… Except When They Have To (Romantic Story)

    When a browser is making a request to a server, it has sometimes to not tell the full truth about its identity

  46. Tue, 29 Oct 2013 According to Greek Mythology, Gecko 25 is cursed

    Sometimes, servers have a certain poetry with regards to data they receive. UA detection is always a maze of surprises.

  47. Fri, 25 Oct 2013 meta refresh and HTTP

    HTTP gives everything you need for redirections

  48. Tue, 22 Oct 2013 Device in ID in UA Strings

    Some UA strings have a device ID. Is it an issue to have it or to not have it?

  49. Wed, 02 Oct 2013 Parsing UA string is not a regex job

    Parsing a UA string is an art, but not for regex.

  50. Mon, 30 Sep 2013 Philosophy in UA detection

    Compatibility to what? UA detection has created an ecosystem.

  51. Mon, 16 Sep 2013 Responsive Design Yes, But Not Too Small

    When mediaqueries get into the way, and make your Web site unusable.

  52. Wed, 04 Sep 2013 User Agent Sniffing For A Tailored Experience

    User Agent sniffing, an old pain

  53. Tue, 20 Aug 2013 A mobile? Yes? No? Yes?

    The User Agent detection algorithm leads to horrors in terms of detection. My policy has always been « just don't do it. » Sometimes diving into a JavaScript helps understand what is happening.

  54. Thu, 08 Aug 2013 http on the command line for User-Agent sniffing

    To have an idea of what's going on very quickly for a list of domain names, I often use combinations of pipes, httpie, sed, awk, xargs and grep.

  55. Wed, 07 Aug 2013 Network Panel in Firefox 23 Developer Tools

    Understanding HTTP transactions is key to good Web development. Firefox 23 introduces the Network Panel in the Web developer tools.

  56. Tue, 06 Aug 2013 UA Sniffing Club

    UA (User Agent) sniffing has some patterns. We can define some "rules" related to that. Let's fight!

  57. Mon, 05 Aug 2013 Quick tips with httpie

    For analyzing HTTP transactions, httpie is a very good lightweight tool. It is easy to install and use. There are a few things I use on a regular basis worth sharing.

  58. Thu, 01 Aug 2013 Why Now?

    An attempt explaining this blog.

  59. Mon, 10 Dec 2012 HTTP, a little story of development

    And if we were implementing HTTP from scratch? What would be the sequence of interactions?

  60. Fri, 26 Oct 2012 Usability Of Browsers Error Messages
  61. Tue, 14 Aug 2012 Automatic redirection on mobile breaks UX

    An automatic redirection with an unknown scheme.

  62. Tue, 14 Aug 2012 Another HTTP Location issue
  63. Tue, 14 Aug 2012 A difficult location
  64. Mon, 23 Jul 2012 Opera Mobile Emulator from the command line
  65. Wed, 18 Jul 2012 Web Messaging API
  66. Wed, 04 Jul 2012 Device Pixel Ratio Timeline
  67. Fri, 15 Jun 2012 Oracle Support difficult to reach
  68. Thu, 26 Apr 2012 CAFBank and Server Side User Agent Sniffing
  69. Wed, 11 Apr 2012 curl and User-Agent
  70. Thu, 29 Mar 2012 Browser Landscape At A Fast Pace
  71. Fri, 17 Feb 2012 Vendor Extensions And Memories Shoebox
  72. Thu, 16 Feb 2012 Opera Tools For Web Developers
  73. Wed, 15 Feb 2012 Vendor extensions. Been There. Done That.
  74. Tue, 31 Jan 2012 Video, Not There yet
  75. Tue, 17 Jan 2012 Web Conferences In French
  76. Mon, 16 Jan 2012 A working draft means experimental
  77. Sat, 10 Dec 2011 tweetdeck for webkit… only
  78. Thu, 08 Dec 2011 Responsive Images and Transparent Content Negotiation in HTTP
  79. Tue, 06 Dec 2011 Detect And Redirect Users For Mobile Development
  80. Thu, 01 Dec 2011 a dirty Web of redirections
  81. Wed, 30 Nov 2011 Design et User Choice
  82. Thu, 24 Nov 2011 Disabling HTTP Referrers For Privacy
  83. Thu, 24 Nov 2011 Openweb Weekly Summary
  84. Thu, 24 Nov 2011 Watch YouTube Videos Without Flash
  85. Wed, 23 Nov 2011 Experiment: Web Without a Flash Player
  86. Wed, 16 Nov 2011 ODIN and LOLCat
  87. Fri, 28 Oct 2011 walmart mp3 - User Agent Sniffing
  88. Thu, 27 Oct 2011 Opera Emulator Releases Schedule
  89. Thu, 27 Oct 2011 User Agent Sniffing Kills
  90. Mon, 24 Oct 2011 HTTP redirection is hard
  91. Thu, 20 Oct 2011 How To Detect WebGL
  92. Fri, 09 Sep 2011 Flex your box
  93. Thu, 08 Sep 2011 HTTP Code Survey
  94. Thu, 08 Sep 2011 HTTP Etag survey
  95. Wed, 24 Aug 2011 What about the next lot?
  96. Thu, 11 Aug 2011 Optimize Favicon, Save Bandwidth
  97. Wed, 10 Aug 2011 Full Screen Mode and CSS
  98. Mon, 08 Aug 2011 favicon testing and HTTP 404 missing page
  99. Thu, 04 Aug 2011 10Ko of not interoperable technologies
  100. Thu, 04 Aug 2011 Using CORS (Cross-Origin Resource Sharing) on the Web
  101. Wed, 03 Aug 2011 Git Workflow with branches
  102. Tue, 02 Aug 2011 3 rules of thumb for Web development
  103. Tue, 12 Jul 2011 Adding Creative Commons License into HTTP Headers
  104. Mon, 04 Jul 2011 REST and HTTP - Information not actions
  105. Thu, 30 Jun 2011 Grab a Screenshot With Opera
  106. Wed, 29 Jun 2011 Two APIs For Address
  107. Wed, 29 Jun 2011 HTTP versioning
  108. Thu, 16 Jun 2011 Velocity 2010 - Take it all off! Lossy Image Optimization
  109. Wed, 15 Jun 2011 Velocity 2011 - Mobile Web and HTML5 Performance Optimization
  110. Wed, 15 Jun 2011 Velocity 2011 - Know Your Engines: How to Make Your JavaScript Fast
  111. Wed, 15 Jun 2011 Velocity 2011 - Mobile Web Performance
  112. Wed, 15 Jun 2011 Velocity 2011 - Yahoo! homepage failed
  113. Wed, 15 Jun 2011 Velocity 2011 - Performance and CSS3 - beyond the hype
  114. Wed, 15 Jun 2011 Velocity 2011 - Wednesday morning - Part 2
  115. Wed, 15 Jun 2011 Velocity 2011 - Wenesday morning session 1st part
  116. Tue, 14 Jun 2011 Velocity 2011 - Advanced Postmortem Fu and Human Error 101
  117. Tue, 14 Jun 2011 Velocity 2011 - Big Data, Scale Dirty
  118. Tue, 14 Jun 2011 Velocity 2011 - Performance Tools
  119. Tue, 14 Jun 2011 Velocity 2011, Hello world!
  120. Sun, 05 Jun 2011 List of elements/attributes having URL for value in html5
  121. Wed, 01 Jun 2011 WEB RTC - Real Time Communications in Browsers
  122. Tue, 10 May 2011 Semantic Markup And Authoring Tools
  123. Mon, 09 May 2011 Make Web Not War 2011, Vancouver
  124. Tue, 03 May 2011 How To Test Opera Dragonfly
  125. Sun, 13 Mar 2011 Web Standards Links - 7 March 2011 to 13 March 2011
  126. Sun, 06 Mar 2011 Web Standards Links - 28 February 2011 to 6 March 2011
  127. Thu, 03 Mar 2011 Wrong To Be Right - application/xhtml+xml
  128. Wed, 02 Mar 2011 HTML5, a better documentation
  129. Sun, 27 Feb 2011 Web Standards Links - 21 February 2011 to 27 February 2011
  130. Wed, 23 Feb 2011 Visiting Opera, Oslo Office
  131. Sun, 20 Feb 2011 Web Standards Links - 14 February 2011 to 20 February 2011
  132. Wed, 16 Feb 2011 Useless HTTP requests - favicon
  133. Tue, 15 Feb 2011 Conformance, Tests and Specifications - a Tabloid Life
  134. Sun, 13 Feb 2011 Web Standards Links - 7 February 2011 to 13 February 2011
  135. Tue, 08 Feb 2011 Double-digit user agent problem
  136. Mon, 07 Feb 2011 The open Web and local markets
  137. Sun, 06 Feb 2011 Web Standards links - 31 January 2011 to 6 February 2011
  138. Sun, 30 Jan 2011 Web Standards Links - 24 January 2011 to 30 January 2011
  139. Mon, 24 Jan 2011 Web Standards Links - 17 January 2011 to 23 January 2011
  140. Fri, 21 Jan 2011 Events in Tunisia and Opera statistics
  141. Tue, 18 Jan 2011 Magic Strings and User Agent Sniffing
  142. Tue, 18 Jan 2011 HTML5. Feels. Good. OpenWeb
  143. Sun, 16 Jan 2011 Web Standards Links: 10 January 2011 to 16 January 2011
  144. Mon, 10 Jan 2011 Web Standards Links: 3 January 2011 to 9 January 2011
  145. Fri, 07 Jan 2011 2DVN - The Two Digits Version Number Bug
  146. Thu, 06 Jan 2011 Be Strict To Be Cool
  147. Tue, 04 Jan 2011 Production of Cookies for Web Developers
  148. Mon, 03 Jan 2011 RSS Readers in browsers and Opera
  149. Mon, 03 Jan 2011 Web Standards Links - 20 December 2010 to 2 January 2011
  150. Mon, 20 Dec 2010 Web Standards Links - 13 December to 19 December 2010
  151. Mon, 13 Dec 2010 Proposals for a new XML generation
  152. Sun, 12 Dec 2010 Web Standards Links - 6 December to 12 December 2010
  153. Fri, 10 Dec 2010 Using Unicode Characters In The Bookmarks Bar
  154. Wed, 08 Dec 2010 Opera Mini and Mobile Orientation Switching
  155. Mon, 06 Dec 2010 HTML5 Forms in Opera 11 - Milestone 65
  156. Sun, 05 Dec 2010 Web Standards links - 29 Nov 2010 to 5 Dec 2010
  157. Mon, 29 Nov 2010 more universal debugging with console
  158. Sun, 28 Nov 2010 Web Standards links - 22 Nov 2010 to 28 Nov 2010
  159. Tue, 23 Nov 2010 opera 11 and document.head
  160. Tue, 23 Nov 2010 Opera 11 beta release - what is new on the technology front?
  161. Mon, 22 Nov 2010 device-width is an… unknown width
  162. Mon, 22 Nov 2010 Open The Web in French
  163. Sun, 21 Nov 2010 Web Standards links - 15 Nov 2010 to 21 Nov 2010
  164. Fri, 19 Nov 2010 Creating a (mobile) Web Site
  165. Sun, 14 Nov 2010 Web Standards links - 8 Nov 2010 to 14 Nov 2010
  166. Fri, 12 Nov 2010 Abolishing CSS vendor prefixes?
  167. Wed, 10 Nov 2010 CSS bolder and lighter rendering in different browsers
  168. Wed, 10 Nov 2010 Testing innerHTML for non breaking space