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There are various statistics on the web, about browser usage, OS usage etc.
Is there a statistics about HTML versions? Where we can see percentage of HTML 5, HTML 4.01, HTML 3.2 in certain month and see increasing number of documents in HTML 5?
I could find these links:
http://w3techs.com/technologies/details/ml-html_transitional/4/all
http://try.powermapper.com/demo/statsversions.aspx
It doesn’t really matter which DOCTYPE you use, as long as you use one. All HTML versions are backwards compatible by design, so I’m not sure how this would be useful.
To answer your question though, you could use Blekko to grep the web for <!DOCTYPE html>: http://blekko.com/webgrep?page=view&id=596317f0c5088f34763e084129481a90
Powermapper claims to track this on their HTML Version Statistics page. As of Mar 2012, HTML5 is around 15%.
You probably have to derive that information from the browser usage. E.g. check which browser supports which html version and then search for browser usage by version.
http://www.netmarketshare.com/browser-market-share.aspx?qprid=1&qpcustomb=1 (Browser usage by version).
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Somebody know where I can download archive with W3C web site within latest updates for CSS3 and HTML5 specifications?
If no.. Where i can download good docs about new CSS3 properties?
Big thanks and sorry for bad english ;)
+ to answers: https://github.com/w3c
Take a look at: http://www.w3.org/Style/CSS/specs.en.html
You can see the status of each Module and read whichever ones are most relevant today. Additionally you can print an individual module or you can print the entire CSS 2.1 by downloading it, you have a few options, e.g.
This document is also available in these non-normative formats: plain text, gzip'ed tar file, zip file, gzip'ed PostScript, PDF. See also translations.
http://www.w3.org/TR/CSS2/
Its in your best interest to stick to learning from http://w3.org only - try to avoid other sources when possible (thats just my preference, YPMV)
Also check out http://www.w3.org/standards/techs/css#w3c_all for an easier way to visualize which specs are past the Candidate Recommendation stage.
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I am designing a website which has to reach old and new browsers. With this in mind should I program in HTML5? Currently the website is only in html 5. The question is: Is it stupid in my case to use HTML5, should I use a "switch"(is this even possible) to redirect old browsers?
The question is, what aspects of html5 do you plan to use?
If your website is mostly static html & javascript, no audio and no embedded video, then I would say it use HTML4.
If your not using any tags in html5 dont rush it, no
If you're trying to reach a broad audience, I wouldn't necessarily jump into HTML 5 yet. It's still not supported widely or consistently enough to rely on it. However, there are several resources available if you want to give it a shot.
When Can I Use... should be a big help. It shows which features of HTML 5 are supported in which browsers fairly clearly. It would probably be good to research further about each tag you plan on using. Learn how the major browsers have implemented the tags, and if there's any quirks or bare-bones implementations that might be an obstacle to the average user.
I've heard Modernizr listed as a means of leveraging HTML 5 elements while maintaining backwards support for old browsers. Do note that I can't testify personally to how well it performs, having never used it before.
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I've been using HTML5 in websites for about a year now, but the W3C doesn't offer an option to check if an entire domain is valid. There are tools out there to do this with HTML4, but they aren't helpful in HTML5.
Is there an online service or browser extension that can solve this problem? I've looked but couldn't find any.
Did you see the one I wrote? It uses an instance of the Validator.nu engine on our server and it's called HTML Validator Pro. It goes up to 50 pages for free, but I don't know the size of your domain, so I don't know if this will meet your requirements, but I hope so! Please let me know if it works for you and any feedback you have for me.
Thank You
Looking around online, I found a service here: http://html5.validator.nu that provides HTML 5 verification for the entire domain. Have you also seen Total Validator? http://www.totalvalidator.com It also seems to do what you are looking to accomplish.
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I'm building a website that requires HTML5 features in order to run. If the features are not present in the browser we display a message to the user that they need to upgrade their browser in order to fully view the content.
What I would like to do is provide a link to a site with some information on what HTML5 is and what browsers support it, etc.
We'd prefer not have to build out our HTML5 information pages and just link to something "official" instead. Similar to the "Go get Flash" link (to http://get.adobe.com/flashplayer/) that is usually used to direct the user to Adobe if Flash isn't present.
Does such a site exist?
Try the API from html5please.com . It will show a message if the HTML5 features your site requires are unavailable on the user's browser and give them links to where they can download a browser that supports those features.
The message is configurable, but can look like this:
http://api.html5please.com/
These are some websites that may help explain the need to upgrade your browser:
http://browsehappy.com/
http://www.updatebrowser.net/
http://www.whatbrowser.org/en/
http://upgradeyourbrowser.net/
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What all web servers support HTML 5 content? Do they have some config that allows to switch between HTML versions based on client browsers?
HTML 5 was explicitly designed to degrade gracefully in older browsers that do not understand it. As such, there's no need to serve different versions. You may or may not have to put in some client-side Javascript-based shims for some of the more advanced HTML 5 features, but there's no need to have several versions of the same HTML document.
You can determine the users browser agent in PHP or some other web-cgi, look it up in some giant array to determine if it's HTML5 compatible, and serve them a HTML5 page if so, HTML4 if not.
In pure HTML, browsers ignore elements they don't understand, but will treat it like it's not there, so you can use that for SOME tricks, but it's mostly done by serving a different page for HTML4/HTML5 browsers.
Web servers would know client's browser by Useragent.
And with browers' names and versions, the server can identify whether a client's browser
supports HTML5 or not.
With that information, you can dynamically change DOCTYPE in your page