A Refined Content Security Policy web )Aug 5, 2016 742 csp , security , webkit , safari , apple , browsers The Performance Benefits of “rel=noopener” jaf )Jul 21, 2016 741 links , performance , security Custom Formatting in HTML and LaTeX Code Listings Using Pandoc Jul 10, 2016 740 formatting , tooling Google’s HTML5 Push Creates Shortage of Agency, Brand Experts Jul 8, 2016 739 flash , monetization , marketing , google Subresource Integrity dev +/w3c )Jun 23, 2016 738 security , hashing , standards Using the “title” Attribute to Help Users Predict Where They Are Going Jun 19, 2016 737 attributes , links , microcontent HTML5 Has Changed the Internet but the World’s Now Ready for HTML6 Jun 14, 2016 736 standards , web Using the HTML “lang” Attribute tin /tpg )Jun 14, 2016 735 accessibility , attributes , localization Form Validation UX in HTML and CSS chr /css )Jun 13, 2016 734 forms , validation , css , user-experience Finishing HTML5.1… and Starting HTML5.2 w3c )Jun 2, 2016 733 standards , w3c HTML Manifest bru )May 29, 2016 732 web-apps Considerations for Styling the “pre” Tag chr /css )May 26, 2016 731 css , syntax-highlighting Building a Robust Frontend Using Progressive Enhancement May 23, 2016 730 css , javascript , single-page-apps , testing , progressive-enhancement Meaningful CSS: Style Like You Mean It tba /ali )May 3, 2016 729 css , semantics Web Designers, Can You Speak Web? Apr 22, 2016 728 css , design , browsers , concepts , link-lists Work Begins on HTML5.1 via GitHub neo )Apr 13, 2016 727 w3c RespImageLint—Linter for Responsive Images Apr 8, 2016 726 bookmarklets , images , responsive-design , linting Working on HTML5.1 tin /w3c )Apr 6, 2016 725 standards , w3c How Good Are Your HTML and CSS Comments? hey )Mar 23, 2016 724 css , comments , maintainability , collaboration , examples Keeping Your Content Classy dre )Mar 21, 2016 723 content , content-management Do You Know These Eight HTML5 Tags? Mar 1, 2016 722 semantics The Future of Loading CSS jaf )Feb 11, 2016 721 css , rendering , chrome , google , browsers The Woes of Date Input htm )Jan 19, 2016 720 forms The World Wide Web: Huge Possibilities for Tomorrow Jan 4, 2016 719 w3c , web JavaScript, HTML5, and the Web Made Big Comebacks in 2015 dan )Dec 30, 2015 718 javascript , web , retrospectives Reimagining Single-Page Applications With Progressive Enhancement hey /sma )Dec 21, 2015 717 single-page-apps , progressive-enhancement , css , javascript A Brief(ish) History of the Web Universe: Time bka )Dec 7, 2015 716 web , history Seriously, Don’t Use Icon Fonts tyl /clo )Nov 23, 2015 715 fonts , icon-fonts , quality The Image Replacement Museum mar /css )Nov 3, 2015 714 image-replacement , techniques , css , images , overviews , link-lists Transforming the Web With HTML5 sdt )Oct 5, 2015 713 web-platform , flash , multimedia How to Make Charts With SVG fon /css )Oct 5, 2015 712 how-tos , visualization , svg , images , javascript The Anatomy of Responsive Images jaf )Sep 3, 2015 711 images , responsive-design , support , browsers The Age of HTML5 Ads Aug 26, 2015 710 monetization 10 Common Mistakes Web Developers Make Aug 25, 2015 709 mistakes , css , javascript , career , performance IAB Says HTML5 Is New Standard, Adobe Agrees ada )Aug 17, 2015 708 monetization , adobe The Current State of HTML5/CSS3 Browser Support Aug 7, 2015 707 css , browsers , support , canvas , flexbox , colors , vendor-extensions , multimedia HTML5 Comes of Age: It’s Finally Time to Tell Flash Good-Bye Jul 17, 2015 706 multimedia , eme , drm , flash , silverlight A Brief History of HTML rpo )Jul 17, 2015 705 history , wml , hdml , chtml , wap Accessible Footnotes With CSS kit )Jun 17, 2015 704 css , accessibility Is HTML “Complete”? bru )Jun 11, 2015 703 standards , web-platform What Are Web Standards Jun 6, 2015 702 standards , history , xml , xhtml , css , wcag , w3c </html> tim )Jun 5, 2015 701 web-platform Monotype Is Introducing an HTML5-Based Web Font Platform May 12, 2015 700 fonts HTML5 Canvas: What Is It? May 7, 2015 699 canvas , javascript “It’s Alive!”: Apps That Feed Back Accessibly hey /sma )Apr 27, 2015 698 accessibility , aria , live-regions , web-apps Let Links Be Links ali )Mar 31, 2015 697 links , javascript , frameworks Refresh HTTP Header kar )Mar 26, 2015 696 redirecting , http-headers , http , metadata , history HTML5 Local Storage Revisited Mar 12, 2015 695 browser-storage , apis Can CSS Be Too Modular? css )Mar 8, 2015 694 css New Book: “The Little Book of HTML/CSS Frameworks” j9t )Mar 4, 2015 693 books , frameworks , css HTML5 Image Description Extension (“longdesc”) cpt /w3c )Feb 26, 2015 692 images , standards Progressive Enhancement and Data Visualizations css )Feb 2, 2015 691 progressive-enhancement , css , svg , visualization The Case Against DRM Needs to Be Made Now kni /giz )Jan 31, 2015 690 drm , w3c On the Deterioration of HTML/CSS Practices j9t )Jan 22, 2015 689 css , craft Analyst Watch: 2015 Will Be a Pivotal Year for HTML5 sdt )Dec 23, 2014 688 HTML5 Differences From HTML4 zco /w3c )Dec 9, 2014 687 comparisons , standards 10 Typical HTML Interview Exercises Nov 25, 2014 686 interviewing , conformance , semantics , aria 5 Obsolete Features in HTML5 Nov 12, 2014 685 Responsive Images in Practice ali )Nov 4, 2014 684 images , responsive-design , css HTML5 Finally Released as W3C Recommendation sco )Nov 1, 2014 683 standards , w3c HTML5 Is a Recommendation iva /w3c )Nov 1, 2014 682 standards HTML5 Finalized, Finally cio )Oct 28, 2014 681 standards , w3c Google and HTML/CSS Code Quality j9t )Oct 21, 2014 680 google , css , quality , history Don’t Use “<picture>” (Most of the Time) gri /clo )Sep 22, 2014 679 images , responsive-design A Guide to the HTML5 “time” Element Sep 16, 2014 678 guides , time , examples How a New HTML Element Will Make the Web Faster ars )Sep 2, 2014 677 images , performance , responsive-design HTML and Specifying Language j9t )Aug 25, 2014 676 optimization , minimalism HTML Minifier [Revisited] Jul 28, 2014 675 html-minifier , minification , optimization Create Responsive Tables With Foundation Jul 15, 2014 674 videos , responsive-design , tables , foundation The WAI Forward hey /sma )Jul 9, 2014 673 accessibility , aria , w3c Web Technologies Hanging Out Together chr /css )Jun 24, 2014 672 css , javascript , php CSS-Driven Internationalization in JavaScript sma )Jun 23, 2014 671 javascript , css , internationalization , localization HTML5 on Track for W3C Finalization by Year’s End red )Jun 17, 2014 670 w3c , standards “async” Attribute and Scripts at the Bottom chr /css )Jun 16, 2014 669 javascript , asynchronicity HTML5: On Our Way to Recommendation ple /w3c )Jun 16, 2014 668 standards Ruby Markup ri /web )Jun 14, 2014 667 ruby-markup Client-Side Form Validation With HTML5 Jun 6, 2014 666 forms , validation Testing Responsive Images wil /ali )Jun 4, 2014 665 images , responsive-design 5 Things I’ve Learned About Accessibility Jun 4, 2014 664 accessibility , keyboard-navigation , testing , assistive-tech , browsers Authoring HTML: Language Declarations ri /w3c )Jun 3, 2014 663 metadata , localization , internationalization HTML5 Forms: CSS cra )May 22, 2014 662 forms , css , selectors , cascade HTML5 Forms: The Markup cra )May 21, 2014 661 forms , semantics Picturefill 2.0: Responsive Images and the Perfect Polyfill sma )May 12, 2014 660 images , responsive-design , polyfills Dealing With Content Images in Email chr /css )Apr 29, 2014 659 email , images , wordpress , responsive-design 20 Useful Docs and Guides for Front-End Developers lou )Apr 24, 2014 658 guides , training , css , javascript , link-lists Basic Structure of a Web Page Apr 16, 2014 657 Web Developers Less Concerned About Browser-Compatibility, More Concerned With HTML5 Apr 3, 2014 656 community , interoperability , browsers HTML Forms in AngularJS Mar 26, 2014 655 forms , angularjs “srcset” and “sizes” eee )Mar 24, 2014 654 images , responsive-design WAI–ARIA Expands Web Accessibility w3c )Mar 20, 2014 653 accessibility , aria , standards A Q&A on the Picture Element yoa +/ali )Mar 17, 2014 652 interviews , semantics , images , responsive-design Using Meta Tags in HTML: Some Basics and Best Practices Mar 12, 2014 651 metadata , fundamentals , best-practices , examples Getting Started With Microformats2 mic )Mar 5, 2014 650 introductions , microformats , naming The Battle for the Body Field ali )Feb 25, 2014 649 xml , wysiwyg , semantics Web Accessibility: Tools and Considerations Feb 10, 2014 648 accessibility , tooling , link-lists One Solution to Responsive Images sma )Feb 3, 2014 647 responsive-design , images , php Forrester: HTML5 Apps Still Not as Good as Native Apps inf )Feb 3, 2014 646 mobile , native Web Performance Tricks—Beyond the Basics Jan 22, 2014 645 performance , tips-and-tricks , css , optimization , link-lists HTML Explained in 123 Tweets: The Google #htmltuesday Archive j9t )Jan 21, 2014 644 google , link-lists 10 HTML Tags You May Not Be Using Jan 16, 2014 643 semantics The MPAA Just Joined the W3C, What Could Possibly Go Wrong? rus )Jan 8, 2014 642 w3c , multimedia , drm When to Use the “button” Element chr /css )Jan 7, 2014 641 buttons , forms HTML5 in 2014: Is It Time for a Comeback? sha )Jan 6, 2014 640 mobile , native What Is the DOM? chr /css )Dec 29, 2013 639 dom , javascript HTML5 Form Validation Dec 17, 2013 638 forms , validation , accessibility CSS, HTML, and the Problem of Spec Fragmentation j9t )Dec 5, 2013 637 css , standards Real World HTML5 Hybrid Apps Dec 4, 2013 636 mobile , polyfills , apis , canvas The HTML5 “meter” Element pan /css )Nov 26, 2013 635 semantics , examples Why Responsive Images Is So Hard chr /css )Nov 20, 2013 634 images , responsive-design , css What’s the Problem With Mobile HTML5? inf )Nov 9, 2013 633 mobile , native , metrics Responsive HTML5 Apps: Write Once, Run Anywhere? Where Is Anywhere? wir )Nov 7, 2013 632 web-apps , responsive-design , performance , multimedia Internationalization Tag Set (ITS) Version 2.0 sha +/w3c )Oct 29, 2013 631 internationalization , xml , standards DRM Likely in Future Versions of HTML cne )Oct 23, 2013 630 drm , content , eme , standards , w3c Challenging CSS Best Practices sma )Oct 21, 2013 629 css , best-practices The DRM Dilemma Facing the Open Web Oct 9, 2013 628 drm , content , plugins , w3c , eff , open-web The Curious Case of Breadcrumbs in HTML j9t )Oct 3, 2013 627 navigation , breadcrumbs Lowering Your Standards: DRM and the Future of the W3C dan /eff )Oct 2, 2013 626 content , drm , eme , w3c , standards A Dual License for the HTML Working Group ple /w3c )Sep 30, 2013 625 licensing , w3c HTML Table Element Guide chr /css )Sep 19, 2013 624 guides , tables , semantics , css A Look at the HTML5 “nav” Element Sep 2, 2013 623 semantics , navigation WebKit Has Implemented “srcset”, and It’s a Good Thing wil /sma )Aug 21, 2013 622 webkit , images , responsive-design Semantic CSS With Intelligent Selectors hey /sma )Aug 20, 2013 621 css , selectors , semantics HTML5 Web Storage Aug 8, 2013 620 browser-storage Amazon’s Appstore Is Now Accepting HTML5 Web Apps jam )Aug 7, 2013 619 web-apps End of an Era as Firefox Bins “Blink” Tag the )Aug 7, 2013 618 firefox , mozilla , browsers Object-Oriented HTML, and OOCSS j9t )Aug 6, 2013 617 css , objects , oocss The HTML5 “form” Attribute cra )Aug 5, 2013 616 attributes , forms When Do Elements Take the Focus? sib )Jul 30, 2013 615 accessibility , focus Simple Responsive Images With CSS Background Images sma )Jul 22, 2013 614 responsive-design , images , backgrounds , css 5 HTML5 and ARIA Design Patterns tin +)Jul 10, 2013 613 aria , design-patterns , navigation Why You Should Learn HTML5 Now Before It Explodes in Popularity Jul 7, 2013 612 learning , training , link-lists HTML 8000 Jun 28, 2013 611 whatwg Is HTML5 Ready? rem )Jun 26, 2013 610 W3C Insider Explains What’s Wrong With Cramming DRM Into HTML5—and What You Can Do About It plu /boi )Jun 6, 2013 609 drm , eme , web , w3c EFF Blasts Proposed DRM Features in HTML5 May 31, 2013 608 eff , drm , content , economics EFF Files Objections With W3C Decrying Addition of DRM to HTML5 iai /the )May 31, 2013 607 eff , w3c , eme , drm HTML5 Webpage Locks “Would Stifle Innovation” May 30, 2013 606 drm , eme , content , eff The State of Responsive Web Design ste /sma )May 29, 2013 605 responsive-design , mobile , css , javascript HTML5’s “Performance Issue” Rubbished cra )May 15, 2013 604 performance DRM in HTML—the Programmer’s View May 14, 2013 603 drm , eme , w3c No, HTML5 Does Not Have a Performance Issue pba )May 13, 2013 602 performance FSF Campaigns Against Standardisation of DRM sam )May 3, 2013 601 drm , w3c Why the Web Is Ready for Responsive Web Design May 1, 2013 600 responsive-design , mobile Getting Started With HTML5 Apr 26, 2013 599 introductions , browsers , code-editors , dev-tools , conformance RIP HTML5 “<hgroup>” Element cra )Apr 19, 2013 598 headings Netflix Coming to HTML5 Just as Soon as the DRM Ducks Are in a Row ars )Apr 16, 2013 597 drm , eme , apis , content W3C Drops “hgroup” Tag From HTML5 Spec wir )Apr 11, 2013 596 w3c , headings It’s the End of the “Blink” Tag as We Know It wir )Apr 10, 2013 595 support , browsers Moving From Flash to HTML5 the Easy Way zor )Apr 3, 2013 594 migrating , flash Tell W3C: We Don’t Want the Hollyweb apr )Mar 22, 2013 593 drm , eme , w3c Interview With Steve Faulkner: HTML5 Editor and New Doctor ste +/htm )Mar 19, 2013 592 interviews , w3c Activating Browser Modes With Doctype hsi )Mar 9, 2013 591 browsers , standards , doctype-switching , xhtml , xml Unless You Use Firefox, HTML5 localStorage Can Completely Fill Your Hard Drive Mar 1, 2013 590 browser-storage , browsers , chrome , google , safari , apple , opera , internet-explorer , microsoft 6 Nifty, Time-Saving HTML Attributes Feb 27, 2013 589 attributes , forms Brad Hill: “HTML5 Security Realities” chr /css )Feb 22, 2013 588 slides , security , xss BBC Supports Attempt to Sneak DRM Into HTML5 wir )Feb 17, 2013 587 drm , eme , content Using WAI–ARIA in HTML ste /w3c )Feb 14, 2013 586 guides , aria , accessibility DRM for the Web? Say It Ain’t So wir )Feb 12, 2013 585 w3c , drm , eme , content Favicon: A Changing Role Feb 11, 2013 584 favicons , images Introducing the New HTML5 “<main>” Element cra )Feb 8, 2013 583 introductions , semantics Interview With Ian Hickson, HTML Editor bru /htm )Jan 8, 2013 582 interviews , standards , web-platform 10 Predictions for the Mobile Industry in 2013 par /for )Jan 2, 2013 581 mobile , outlooks First Official W3C HTML5 Standard Finally Completed! What’s Coming in 2013? tod )Dec 20, 2012 580 interviews , w3c , standards Hot in Web Standards: November/December 2012 lea )Dec 18, 2012 579 apis , standards , w3c The Story of Why HTML5 Matters bri /tec )Dec 18, 2012 578 HTML5 Inches Closer to the Finish Line wir )Dec 18, 2012 577 standards , w3c HTML5 Is Done—HTML 5.1 Next on Standards Agenda hei )Dec 17, 2012 576 canvas , standards , w3c Will HTML Ever Be Replaced? cra )Nov 28, 2012 575 “Bad Code,” Dogmatism, Etc. chr /css )Nov 27, 2012 574 css , quality Why HTML5 Provided More Tricks Than Treats in 2012 ven )Nov 24, 2012 573 retrospectives HTML5 and the Future of the Web Nov 12, 2012 572 standards Is HTML5 Adoption the Real Deal for Developers? Nov 9, 2012 571 community Principles of Writing Consistent, Idiomatic HTML Nov 7, 2012 570 attributes , conventions , formatting , consistency , naming , sorting Display Form “<progress>” chr /css )Oct 30, 2012 569 forms , progress-indicators , jquery Why Coding Style Matters nza /sma )Oct 25, 2012 568 formatting , conventions , communication , css , javascript , jquery The Road to Reusable HTML Components sma )Oct 23, 2012 567 css , components , maintainability What’s Left for HTML5? sdt )Oct 18, 2012 566 standards W3C Outlines Plan to Finalize HTML5 Oct 1, 2012 565 w3c , standards W3C to Finish HTML5 by 2014 cra )Sep 21, 2012 564 w3c , standards Code Guide mdo )Sep 21, 2012 563 websites , guides , conventions , css Mark Zuckerberg’s Opinion of HTML5 Is Meaningless aco /inf )Sep 17, 2012 562 standards , facebook+meta 5 Reasons Why Zuckerberg Has Not Killed HTML5 cra )Sep 14, 2012 561 native , facebook+meta Intel Announces New HTML5 Programming Tools aga /inf )Sep 12, 2012 560 tooling The Flowing Standard w3c )Sep 4, 2012 559 Towards a Retina Web sma )Aug 20, 2012 558 responsive-design , pixel-density , css Replacing HTML Aug 10, 2012 557 xhtml , xforms , semantic-web , flash , java Quick FAQs on “input[type=date]” in Google Chrome age /dev )Aug 5, 2012 556 forms , support , chrome , google , browsers W3C Tells Their Side of the Story: The Future of HTML5 Jul 31, 2012 555 w3c , standards W3C’s Ian Jacobs on the Future of HTML5 cra )Jul 27, 2012 554 interviews , w3c , standards HTML5 and HTML.next w3c )Jul 26, 2012 553 w3c Ian Hickson on HTML5 vs. HTML cra )Jul 24, 2012 552 interviews , standards HTML5 Gets the Splits cra )Jul 23, 2012 551 standards , whatwg , w3c Hitting the HTML Moving Target Jul 23, 2012 550 standards , w3c , whatwg A Detailed Breakdown of the “<script>” Tag Jul 17, 2012 549 javascript html7 pvd )Jun 8, 2012 548 domains The Advent of HTML5 Jun 7, 2012 547 standards HTML Cheat Sheet May 29, 2012 546 cheat-sheets Favicons Next to External Links chr /css )May 26, 2012 545 links , favicons , css , jquery HTML for Icon Font Usage chr /css )May 24, 2012 544 icon-fonts , fonts , semantics Google HTML/CSS Style Guide j9t )Apr 25, 2012 543 google , css , style-guides , quality , principles , conformance , formatting , naming , sorting W3C to Develop HTML5 and Its Successor in Parallel hei )Apr 24, 2012 542 w3c , standards Progress on HTML5 w3c )Apr 23, 2012 541 Decoupling HTML From CSS jus /sma )Apr 20, 2012 540 css , principles , smacss Getting Started in HTML5 Apr 19, 2012 539 introductions , semantics , multimedia , forms , apis The Future of the Web Apr 19, 2012 538 mobile , web-apps Modernize Your HTML5 Canvas Game Apr 19, 2012 537 canvas , apis , javascript , css , animations On Responsive Images chr /css )Apr 6, 2012 536 images , responsive-design New Versions of Documents on Structured Data in HTML5 iva /w3c )Mar 30, 2012 535 structured-data , rdf , microdata , semantic-web About HTML Semantics and Front-End Architecture Mar 15, 2012 534 semantics , naming , architecture 5 Things I Love About HTML5 Mar 7, 2012 533 forms , multimedia , canvas , geolocation , apis HTML5 Still Taking Shape sdt )Feb 27, 2012 532 standards , web-apps , flash , silverlight Capturing Audio and Video in HTML5 dev )Feb 22, 2012 531 multimedia , apis , javascript Getting Started With the “track” Element dev )Feb 8, 2012 530 introductions , multimedia , captions New W3C Validation Service With RDFa 1.1 and Microdata iva /w3c )Feb 8, 2012 529 w3c , tooling , conformance , rdf , microdata Zynga Germany’s Paul Bakaus on What’s the Deal With HTML5 Feb 2, 2012 528 interviews Using the HTML5 Geolocation API Feb 1, 2012 527 geolocation , apis Why Should You Care About Website Usability? Jan 25, 2012 526 usability , consistency , simplicity , content , whitespace , quality Interview: Financial Times Experience With Web Apps w3c )Jan 23, 2012 525 interviews , web-apps How to Use Character Entities in HTML, CSS, and JavaScript cra )Jan 21, 2012 524 how-tos , character-references , css , javascript HTML KickStart Jan 11, 2012 523 websites , frameworks , presentational-html , css , jquery The App Internet in 2012: Defining the Death of the Web Dec 29, 2011 522 web , web-apps 10 Useful Coding Tips, Techs, and Ideas Dec 19, 2011 521 tips-and-tricks , css , link-lists Multiple Attribute Values chr /css )Dec 18, 2011 520 attributes , css , selectors Up Close and Personal With HTML5 IndexedDB Dec 15, 2011 519 indexeddb , databases On HTML and CSS Best Practices css )Dec 11, 2011 518 css , best-practices Responsive Images and Transparent Content Negotiation in HTTP kar )Dec 8, 2011 517 images , responsive-design , content-negotiation HTML Forms in HTML Emails chr /css )Dec 7, 2011 516 forms , email , php The Script Tag chr /css )Nov 30, 2011 515 javascript WAI–ARIA Gets Ready for a Starring Role in HTML5 wir )Nov 29, 2011 514 aria , accessibility Stay on the Design Cutting Edge With These HTML5 and CSS3 Resources Nov 23, 2011 513 css , link-lists The Primitives of the HTML5 Foundation pau )Nov 18, 2011 512 videos Sexy New HTML5 Semantics bru /sma )Nov 18, 2011 511 semantics Pursuing Semantic Value ada /sma )Nov 12, 2011 510 semantics Our Pointless Pursuit of Semantic Value div /sma )Nov 11, 2011 509 semantics Ian Hickson Responds Over HTML5 Getting “time” Element Back cra )Nov 10, 2011 508 time 10 Handy HTML5/CSS3 Frameworks Nov 10, 2011 507 css , frameworks , link-lists Will HTML5 Replace Native Apps? It Might: Here’s How to Figure Out When the )Nov 3, 2011 506 native , mobile , desktop The Hidden Nuggets of WCAG2: Information Relationships Nov 2, 2011 505 accessibility , wcag , semantics On Semantics in HTML j9t )Oct 26, 2011 504 semantics Dive Into HTML5… on HTML5 Doctor htm )Oct 17, 2011 503 Learning to Love HTML5 lou /sma )Oct 10, 2011 502 semantics On HTML Element Identifiers Sep 27, 2011 501 css Building Prototypes in HTML and CSS Sep 20, 2011 500 css , prototyping Analyst Watch: HTML5 Is Not Quite Ready for Primetime sdt )Sep 15, 2011 499 standards jQuery Removing Bad Characters in HTML Sep 4, 2011 498 jquery , sanitization How to Optimize Images With HTML5 Canvas sma )Aug 30, 2011 497 how-tos , images , optimization , canvas When (and When Not to) Use an Anchor Tag? chr /css )Aug 24, 2011 496 links , semantics How I Think Posting HTML in Comments Should Work chr /css )Aug 19, 2011 495 content-management The Best Forms Implementation I’ve Ever Built dre )Aug 19, 2011 494 forms , perch HTML5 and the Document Outlining Algorithm sma )Aug 16, 2011 493 headings 