HTML5 is the fifth revision of and currently the latest version of HTML (HyperText Markup Language). The fifth revision of HTML introduced many new syntactic features such as video, audio, canvas as well as section and article to name a few, with which the content of websites may be better ...

learn more… | top users | synonyms

-1
votes
2answers
97 views

How safe are the new HTML5 input tags [closed]

I am thinking to use the Input Type tags in my web application like <input type="email"> <input type="number" required="required"> I'm just curious how safe is to use them , Is ...
1
vote
1answer
99 views

How necessary is it to use HTML5 now on websites?

I have been working upon a wordpress theme and almost done with it, but recently I got to learn some of the new HTML5 tags such as <header>, <footer>, <article> etc etc. I have a ...
3
votes
1answer
2k views

Does HTML5 video cache the entire video before playback or does it stream?

I have an HTML5 page that plays a small video (1.5MB) with autoplay and loop enabled. The problem is, sometimes it takes up to 10 seconds after loading the page before the video starts playing. I've ...
4
votes
4answers
6k views

Disabling HTML5 rendering in Chrome

I want to test fallback if a browser isn't HTML5 ready. Is there an easy way to disable HTML rendering in Chrome?
1
vote
0answers
394 views

How can I convert a series of images to a valid HTML5 MP4 video? [closed]

I am attempting to encode a video from an image sequence, for embedding as an HTML5 video. I have managed to encode into the WebM and OGG format successfully (so for example, it works fine in ...
4
votes
2answers
628 views

Microdata for product images which aren't displayed in the page?

My internet shop displays thumbnails of products' images, and I see that these thumbnail are (slowly) being indexed by Google. I want also full images to be indexed. Can I use Microdata for this? ...
5
votes
2answers
3k views

HTML5+Microdata validation errors: Attribute 'content' not allowed on element 'p'

According to Google’s documentation about the Product Rich Snippet, when I want to mark product’s availability in my shop, I should do the following (using Microdata): <span ...
4
votes
2answers
42 views

Can I change the type of elements in the Microdata format?

With regard to Microdata I was wondering if the elements must be exactly like the examples (http://support.google.com/webmasters/bin/answer.py?hl=en&answer=176035) or that Google/Bing look if the ...
5
votes
2answers
2k views

Schema.org, HTML5 and the datetime format: how do I get it to validate?

Schema.org says this, The opening hours for a business. Opening hours can be specified as a weekly time range, starting with days, then times per day. Multiple days can be listed with commas ',' ...
4
votes
1answer
72 views

Can I enrich Microdata format with more non-Microdata data without affecting its functionality?

This is the normal formatting for Microdata: <div itemscope itemtype="http://schema.org/LocalBusiness"> <div itemprop="name">some text</div> <div itemprop="description">some ...
1
vote
3answers
1k views

How do i make script, that detects its URL and displays it? [closed]

I have a facebook like button on my website, but the data-href attribute needs a link to like: <div class="fb-like share-button fbbutton" data-href="htp://www.example.com/article/1.html" ...
1
vote
2answers
97 views

Hosting Video's on Youtube or a service like youtube with HTML5 / FLASH switching

We have 1000's of small product videos currently being played through a Flash player. We want to make this product videos work on apple devices. It's my understanding that Youtube auto switches ...
2
votes
2answers
142 views

Do I need a brand new template for mobile web-app?

I've a web-application currently serving only desktop clients. I will be creating a mobile-friendly version of the application. I am wondering: Do I need to create the design from scratch and use ...
1
vote
1answer
254 views

Why is my cache manifest failing?

I have created the following cache maniest file- CACHE MANIFEST CACHE: http://ajax.googleapis.com/ajax/libs/jquery/1.9.0/jquery.min.js ...
2
votes
2answers
1k views

Responsive design best practice: Duplicate html elements for media querying and SEO impact?

I have a page with, in order of html appearance, a figure tag, headgroup tag, and an article tag. In order to make a page's design responsive using media queries, I need a different order for ...
6
votes
1answer
530 views

Best practices for streaming videos to a large concurrent user base?

What are the best ways to stream videos for a user base of more than 1000 users? What among the below would be the best way to use? An html tag to embed the video in the source element. To use a ...
3
votes
2answers
284 views

As a beginner, I would like to know which should be the markup language to startup with [closed]

I am a beginner in Web Designing. For sure a CMS like Joomla (Joomla 3.1, now) is very useful for one who doesn't care about coding. But... I know for sure that the ability of coding really helps a ...
1
vote
0answers
483 views

Xampp and file paths

I'm having hard time with xampp, it really getting me crazy. I have few installations of WordPress with Roots Template, which was loading without any css, js..etc. And the solution was to delete ...
2
votes
1answer
101 views

@Viewport @media use for input type?

I've searched high and low for some way to setup my HTML5/CSS3 for various devices. Going by screen resolution isn't the best route because some times the screen size of one device is the same as ...
1
vote
1answer
582 views

Will using the new HTML5 meta charset instead of HTTP-EQUIV affect my clients site's ranking? [duplicate]

Possible Duplicate: What are the SEO rules for HTML 5? I am doing a re-design for a client whose site currently has very high and successful rankings across all search engines (Google, ...
8
votes
3answers
834 views

Is it safe to use multiple h2 tags for a list of products?

I am using html5. I have a list of products in my store (132 products), and they are currently being displayed using pagination, with 10 results on each page. All my product names are very keyword ...
1
vote
1answer
184 views

Weird CSS-behaviour [closed]

<!DOCTYPE html> <html> <head> <title>PakHet</title> <link rel="stylesheet" type="text/css" ...
3
votes
2answers
795 views

HTML5 Audio: Which formats? Ditch Ogg Vorbis in favor of Ogg Opus? Is MP3 still needed?

I'm currently working on a website which has to stream audio files. Since bandwidth is always an issue, the file size should be as small as possible. I wonder what audio formats I should provide. ...
-4
votes
1answer
84 views

I want to be a freelance web designer. What other up to date technologies/skills would you add to this list? [closed]

Technologies I need to know: HTML, HTML5, CSS, CSS3, jQuery, CSSLESS, ASP.NET, SQL, WordPress, PHP Skills needed: media querys/responsive design, browser compatability, graphic design, user interface ...
1
vote
3answers
288 views

HTML5 article tag application for the iPad/iPhone

I've used article tags on websites. My understanding and practice is to use the article tag for publication content. I always use HTML/HTML5 tags as their intended purposes and not at will. Recently, ...
0
votes
1answer
149 views

HTML 5, Fluid Pages and Google Mobile Index

I am currently migrating my site to HTML5, at the same time designing pages so that they are "fluid" and are equally presentable for a mobile or a large screen. I took the fluid approach so as not to ...
1
vote
0answers
696 views

Why doesn't Firefox have a volume slider for the audio element? [closed]

Seems like most browsers have a slider to control the volume of audio files played via the <audio> tag, yet Firefox on Windows (and Linux) seems to only have an 'all on' or 'all off' volume ...
0
votes
2answers
120 views

Would using RDFa improve ranking/traffic?

My website is a legal search engine, lawmirror.com, and there are about 600k records available online. Currently using XHTML5 and on some pages Microdata. Same record appears many times on ...
4
votes
1answer
116 views

How to specify importance of html elements?

Is it possible to specify what elements of the page are important, or, more specifically, what elements of the page are not important? I'm using HTML5 new elements (nav, header, footer, section, ...
2
votes
2answers
1k views

Serve up syntactic XHTML5 using the text/html MIME type?

I have a site currently written with HTML5 tags. I'd like to be able to parse the site as XML, with support for namespaces, etc, to facilitate programmatic extraction of data. Currently I have ...
0
votes
4answers
226 views

Web development and tips for building a website and the advantages of using HTML 5 in the site [closed]

I am trying to make a website for my college, and the program starts from jan 13 and we get 15 days of time to develop a running site. The best site will become the college site. I am participating, ...
2
votes
1answer
267 views

HTML coding style: attribute starts on a new line

sublvl's front end developer seems to have a strange coding style that I've never seen before. Every time they begin a new element, immediately after the element name they insert a line break. The ...
7
votes
1answer
1k views

SEO impact of using <small> tag in <h1>

Twitter bootstrap uses <small> tag within <h1>. What is the SEO impact of this? Will the text content in the <small> tag get equal importance? Here is an example (see the ...
3
votes
1answer
225 views

Gallery of HTML/JS animated graphics

I'm looking for a few sites where I can browse hundreds of animated graphic effects in well-coded HTML5 and Javascript. That's it. Just some standards-compliant animation code that I can make ...
4
votes
2answers
208 views

HTML5 <form> autocomplete Attribute

What is the point of the autocomplete attribute? Isn't it bad practice to tell your users how their browser should work to fill a form?
3
votes
6answers
618 views

Is it a good idea to design website with HTML 5 and css3?

New HTML5 and CSS3 introduced lot of new features,although it is not completely supported by most of the browsers.Is it a good idea to design a website using HTML5 and css3? and for browsers which ...
0
votes
1answer
251 views

XSS with local storage - Is it a concern?

I am working on creating a demo of how to use HTML5's local storage. The demo will be placed on my personal website and will append the user submitted data to the html. Can XSS stored on the client ...
17
votes
9answers
861 views

Technical website - Should I assume that my visitors will use a modern browser?

I am in the process of creating my own website, which will include a technical blog. I want to build my website using modern technologies such as HTML5 and CSS3. Since my website will be targetted ...
5
votes
2answers
2k views

HTML5 `html` `xmlns` attribute

Is xmlns appropriate in HTML5? <!DOCTYPE html> <html xmlns="http://www.w3.org/1999/xhtml"> ... </html> Also, which is preferred, <!DOCTYPE html> or <!doctype html>?
3
votes
1answer
41 views

Disabling frequent reloads of visitor

In my website i have some pages, that makes connections to 3-4 sites and checks the results with my database and gathers a full table. This table includes all the data that the visitor would need. ...
0
votes
2answers
135 views

Public search engine which index HTML tags

Do you know a public search engine which allows search on HTML tags? The usage will be to search websites with HTML5 tags such as <canvas> being able to search over the class names could also ...
3
votes
3answers
352 views

What's the proper structure of an HTML5 page that briefly lists other articles?

The target is to provide the proper semantic for a page that briefly lists existent articles. At the moment my idea is the following: <body> <article> <header> ...
3
votes
4answers
528 views

SEO optimization for AJAX site and dynamic HTML canvas

I have a site that uses AJAX to query the Last.fm database and then dynamically draws a graph of the results on an HTML canvas. In the search function, I have a command that sets window.location.hash ...
20
votes
5answers
6k views

Overuse of <h1> was bad, but now, with HTML5?

We know that the overuse of <h1> can lead to an over-optimization penalty, but now, in HTML5 it's allowed to use multiple <h1> in the same page (inside nested sections). What will Google ...
2
votes
2answers
657 views

What is the purpose of the section tag

It seems that the HTML 5 <section> tag doesn't really add much beyond a <div> tag. Why should I use it, especially as it will not be compatible with anything below IE9?
7
votes
3answers
10k views

Upload image file: is compression on client side already possible?

When offering photo file uploading, usually the user will have badly compressed and huge (10+ megapixels) JPEG files from their cameras or phones. On the server side, these files will get ...
2
votes
3answers
536 views

Site failing randomly - could it be Cloudflare or something weird in the JS?

I've been working on a simple site that uses javascript to fade through some fullscreen background images as well as some other simple animations. I've tested the site on Chrome, Safari, FF and Opera ...
8
votes
3answers
3k views

Value of the HTML5 lang attribute

I'm working on a website which will offer localized content following the language+region approach as described on this W3.org page (e.g. fr-CA for Canadian French content, and fr-FR for "French ...
-3
votes
1answer
698 views

Why is there nobody talking about an alternative to HTML & CSS? [closed]

HTML is such an old and cumbersome language, which was intended just to markup text. Today it's very rare to see a static HTML website, or a site with only text or a very simple layout. As a web ...
7
votes
6answers
1k views

Adding Video To Website - Embed or Vimeo?

I have been asked to add 3 short informational videos to a new page on the company website. I am trying to figure out if it would be better to embed them directly onto the page (html5) or use Vimeo or ...