✔ WHAT IS K2?
K2 provides an out-of-the box integrated solution featuring rich content forms for items (think of Joomla! articles with additional fields for article images, videos, image galleries and attachments), nested-level categories, tags, comments, a system to extend the item base form with additional fields (similar to CCK for those acquainted with Drupal), a powerful plugin API to extend item, category and user forms, ACL, frontend editing, sub-templates & a lot more!
Using K2, you can transform your Joomla! website to a news/magazine site with author blogs, product catalogs, work portfolio, knowledge base, download/document manager, directory listing, event listing & more, all this bundled under one package!
Give K2 a try & you'll instantly love it! It's easy to use and fun to develop websites with! If you need any help or want to contribute to the project, join us at the K2 community.
Since K2 is extensible with additional fields to its base item form, you can easily create category-specific content types, e.g. article, blog post, product page, directory listing.
K2 offers as standard:
- nested-level categories (no section/category restrictions)
- commenting, integrated with Google's reCaptcha & Akismet
- item image (useful for articles/catalogs)
- image galleries
- user pages (author blogs/user profiles)
- smart ACL for frontend editing
- unique plugin system to extend item, category & user forms
- ajax-based frontend editing
- ajax-based comments moderation
- Google AJAX Search integration
- Rest-like JSON/JSONP content output
- Native advanced SEF options (added in K2 v2.6.4+)
K2 fully supports the Joomla! API, which means all Joomla! plugins will function properly within the K2 component & modules, either in the frontend or backend.
✔ AMAZING PERFORMANCE
ImpactWrestling.com, NewsBomb.gr, Gorillaz.com, Groupama Transport, Harvard, the High Court of Australia, MTV Greece, Jaguar Greece are just some of the thousand "big sites" around the world, fully powered by K2.
✔ DEPENDENCIES & LICENSE
To utilize the built-in video & gallery features you need to install AllVideos (free) & Simple Image Gallery Pro, both provided by JoomlaWorks.
K2 is developed by JoomlaWorks & licensed under the GNU/GPL license.
✔ WHAT NEXT?
Try K2! Install it, hit the "import" button to bring your Joomla! articles inside K2, start playing with the component to see the flexibility it provides first-hand. Moreover? You no longer need a dozen of components & even more modules to do things like run a news site or a blog. Drupal & Wordpress have certainly met their match now!
Visit the K2 website & community: http://getk2.org
Set up is a bit of a pain, however, especially if you're importing a large number of articles. Every image has to be removed and replaced and that takes a lot of time. And then, if you change something in your layout, say decreasing the image sizes by 20px, you have to do it all over again: delete and replace.
If there was a way to get around that issue, this system would be perfect.
Actually there is. For imported articles from Joomla!, you can use the IAKI plugin http://getk2.org/extend/extensions/616-iaki-import-as-k2-image (a featured K2 extension in getk2.org) which makes the first image of your content a K2 image. So in such a case, you really don't need to manually import your images as K2 images, this plugin does everything for you and it respects the image dimensions as set in your K2 categories. As for what happens when you need to change your K2 image settings inside category parameters, well, the answer is simple: K2 will keep the existing images and HTML resize them to the new dimensions. If these dimension changes are less than 50px upwards, then the effect on image quality is nearly unnoticeable. If you need to change the dimensions more, then simply swap your image settings to use the next bigger dimension. So, e.g. if you used the "Medium" dimension setting in your K2 Category listings, swap to "Large" and let K2 HTML resize them downwards. The result will be what you need.
With a little bit of exploration the security that can be set is amazing. And it is easy to set up a forum or blog with all the security needed to keep spammers out.
So take the time to explore this product as it is well worth it in the end. Keep up the good work.
K2 also has big issues with the cache system. It generates a lot of cache files and you will quickly realize you need extra hosting space. For every image you upload, K2 generates an additional 4 or 5 cache images that take lots of space. Again, this issue is more than 3 years old and no fix or update.
I would strongly recommend against using K2 until these basic issues are fixed.
K2 creating multiple sizes of an image is not a bug, it's a feature. Furthermore, K2's SEO is far better than more content components' is. Not only can you NOT have duplicate URLs by simply creating a hidden menu item pointing to all of K2 categories (this fixes duplicate URLs which would be normal to have depending on where you're browsing the site), we have also included an Advanced SEF section which can alter the URLs to your liking and even remove the item id creating URLs that only commercial SEF components can - and without the DB overload they bring.
K2, like all good things, needs some time and devotion to learn. If you can't see the benefits of it, then you might as well make a static website. I hear Jekyll is all the rage nowadays (good luck with that).
The only real downside at the beginning is the documentation. It is something between real bad and simply non-existing. When you come to their document site the very first time you get the impression you hit the wrong link ;) - so hopefully the owner will take care a bit more about that in the future.
The CCK is built upon extra fields. You first define an extra field group and add the wanted fields and their types to it. After that, you assign this group to a category, and all content within this category will inherit the group. This concept helps organizing your additions to the standard Joomla content very efficient.
Unlike other CCKs like ZOO the extra field group is blocked within your content and added on the bottom, so your design capabilities are a bit limited.
The real benefit comes with the carefully integrated database support - you e.g. can easily fetch all articles from any single user, something I felt should be trivial however is found only within K2.
Joomla content, categories and users can be easily transferred to the K2 universe. Unfortunately, there is no integrated import/export tool for/to external data sources. The only import/export tool supporting K2 together with Joomla 3.x I found is Hexdata. It offers great possibilities like importing relations, however its current version has a bug and is not working with K2 at the moment.
K2 comes with its own tag system, that is a bit outdated now that Joola 3.x has arrived. Maybe this hopefully will be updated in the future.
K2 is rock solid and can be used on productive sites without worry. This makes it the first choice over SEBLOD, that appears to be in permanent early beta stage ;)
if you have some basic php skills you can use the k2 templating features which gives you endless possibilities for templating and designing your site's articles.
the only thing i don't like about k2 is it's front-end publishing / editing interface, which requires lots of work if you want it to look and feel good for a common user, not to mention RTL. but that's only applies for editing, the content templating itself is actually great on that matter.
The good news is that K2 v3.x will make frontend editing a lot better overall and definitely easier for users.
And not to mention how difficult is to move K2 items back to joomla articles.
They didn't put anthing new in K2 since... wait a minute, never?
K2 is the past, don't waste time with it, 2 years with K2 was enough. If you don't want to use joomla articles use any other extension but not this granny extension.
This is K2. You either love it or hate it :)
In both cases there's a lot of passion hidden in the background. I'm not gonna go all Sigmund Freud here, but the fact that you don't bother to provide a few valid points as to why K2 doesn't work for you and you're just being vague, I can only guess that you're one of those people who demand features for K2, which are only to be applied by those few people asking them. Sorry if we didn't put one of the features you asked in K2 and that made you angry, but thankfully, most K2 users don't see it this way. Most K2 users understand what open source is. They know it takes time, effort and money to build. Lots of all three.
And to wrap it up: K2 is the only Joomla! extension supported by all professional template clubs and that speaks for itself.
I am using K2 for several years and it is terrific component for Joomla.
Problems rarely occur if you use a good template, not just the "Most Beautiful" which have many holes, and they cause problems with K2, and it is not the fault of K2, and the most common template.
So I advise you to choose the templates, not only in terms of their wyglądau, but also in terms of the quality of the code.
K2 is so problematic that I am constantly looking for alternatives as you have to jump through hoops every time. very difficult to modify or even to get K2 to work correctly is a nightmare.
Their support is responsive, but very rarely do they offer a solution to fix problems. They constantly blame the template developer or some "other K2 extension" is causing the problem. From now on I will gut K2 and use the default Joomla Article creation system as K2 is nothing more than a major watse of time, money and resources.
Couldn't agree more with you! It's really a matter of taste to take the ship to travel from the US to Europe instead of the airplane. Or take a horse to go to work instead of a car. I think you get my point.
It will work for most of the cases, but i faced its limitations when i tried to built a quite complex content structure for one of my projects.
So i came up with ~20 content types (extra field groups), some of them with more than 40 or 50 extra fields.
This was a "disaster" since K2 become very slow for these content types (items) ... and now i am trying to find alternatives :( ....
K2 is *THE* extension for pushing Joomla! to its limits. It's the very reason top Joomla! sites worldwide use K2.
K2 has richer content options compared to the default Joomla! article system and yet it's a lot faster compared it. Now, how did you manage to make a slow site out of K2 remains a mystery...
People some times confuse crappy hosts with Joomla's performance. I'm 100% certain that's the case we deal with here. And in this case, any CMS would perform slowly...