While a lot of people are out to optimize their sites/blogs, most everyone seems to skip over CSS.
I have been spending some time looking at CSS Optimization tools today. I wanted something free, online, and easy to use. And of course, something that worked. There are actually quite a few websites that fit the bill, and some of them are easier to use, produce more friendly code, and others are a bit harder to use, but can produce amazing results.
I tested the CSS Optimizer, Icey’s CSS Compressor, Flumpcakes CSS Optimiser, and CleanCSS to see which one could compress some default CSS files from popular websites the best.
I chose six sites:
- Digg.com – poster boy of web 2.0, and a nice looking design to boot.
- Slashdot – poster boy of ‘yesterday’. Moved into CSS relatively late, but still serving up a lot of pageviews.
- Filmsy – a blog part of the BloggyNetwork, I think it has a very nice design
- iBegin – nice local search engine I was using while in Toronto
- Download.com – one of the most popular sites to go CSS
- ESPN – a totally non-tech demographic, and also had a very publicized shift to CSS
CSS optimizers do a variety of voodoo magic to get the end result. This includes merging similar classes, removing useless properties, removing whitespace, and so forth. This can lead to code that is not very easily read by you or I, but for larger CSS files, it can condense the file size so much that it really makes a big difference in page loading times.
Many broadband users might not think this matters much, as most websites seem to load fast for them, but if each site you went to loaded even 10% faster, think of all the time it could save you over the course of a week, a month or even a year. The bandwidth savings for the website operator can also be immense. I would recommend that you always keep a copy of your human readable CSS code so that if you ever need to make any changes it does not take you a long time to figure out what you need to change, and then you can re-optimize it.
The Results
I ran all these tests with the tools being on their default settings.This might not have given them all equal footing, but I think it is how most of us will use them because we don’t know what options to turn on or off, and some tools did not have specialty options that could be turned on or off.
Digg was our first guinea pig. Before optimization Digg.com’s main CSS file was 30.56 KB.
| Site | After | Reduction |
| CSS Optimizer | 25.74 KB | 9.89% (failed: moves Popular stories and upcoming stories tabs next to Technology header and messes up Digg Home button) |
| Icey CSS Compressor | 16.69 KB | 45.39% (failed: changes padding/margins on some items. Spaces things out more) |
| Flumpcakes CSS Optimiser | 28.26 KB | 5% (failed: Messes up Digg Home button) |
| CleanCSS | 26.038 KB | 16.8% |
Slashdot recent redesign resulted in a CSS file of 19.1 kilobytes large. The CSS optimizers still delivered, shrinking the filesize quite a bit.
| Site | After | Reduction |
| CSS Optimizer | 15.01 KB | 21.38% |
| Icey CSS Compressor | 9.68 KB | 49.38% |
| Flumpcakes CSS Optimiser | 16.9 KB | 11% |
| CleanCSS | 15.234 KB | 22.1% |
Filmsy was next. This one had the smallest CSS file, clocking in at only 11.39 KB. Nevertheless, we achieved compression of almost 50%!
| Site | After | Reduction |
| CSS Optimizer | 9.25 KB | 18.85% |
| Icey CSS Compressor | 6.03 KB | 47.08% |
| Flumpcakes CSS Optimiser | 9.4 KB | 17% |
| CleanCSS | 8.27 KB | 29.1% |
Next up is iBegin Toronto. A nice search engine, its CSS file was 22.79 kb
| Site | After | Reduction |
| CSS Optimizer | 16.17 KB | 29.04% (failed: font-size got larger) |
| Icey CSS Compressor | 10.04 KB | 55.95% |
| Flumpcakes CSS Optimiser | 19.28 KB | 12% (failed: font-size got larger) |
| CleanCSS | 17.134 KB | 26.6% (failed: font-size got larger) |
Second to last came Download.com. The move to CSS-P made a lot of noise, and we thought it would be interesting to see what benefits a large company could get. The CSS file itself was a 54.2 kb, largest of all sites we tested.
| Site | After | Reduction |
| CSS Optimizer | 17.36 KB | 32.39% (failed: Fonts and Padding on elements change) |
| Icey CSS Compressor | 54.3 KB | 0% |
| Flumpcakes CSS Optimiser | 20.0 KB | 17% (failed: Fonts and Padding on elements change) |
| CleanCSS | 45.699 KB | 17.8% |
Last up came ESPN. Alongwith Download.com, these two sites are the most mentioned when it comes to the viability of CSS on large-scale websites. ESPN’s CSS clocked in at 25.68 kb.
| Site | After | Reduction |
| CSS Optimizer | 17.36 KB | 32.39% (failed: Fonts and Padding on elements change) |
| Icey CSS Compressor | 7.74 KB | 69.84% |
| Flumpcakes CSS Optimiser | 20.0 KB | 17% (failed: Fonts and Padding on elements change) |
| CleanCSS | 18.944 KB | 27.9% |
Condensed Table
| Site | CSS Optimiser | Icey Compressor | Flumpcakes | Clean CSS |
| Digg.com | failed | failed | failed | 16.8% |
| Slashdot | 17.45% | 51.21% | 9% | 21.9% |
| Filmsy | 18.85% | 47.08% | 17% | 29.1% |
| iBegin | failed | 55.95% | failed | failed |
| Download.com | failed | 45.49% | 0% | 27.9% |
| ESPN | failed | 69.84% | failed | 27.9% |
| Average: | 18.15% | 53.91% | 8.67% | 24.18% |
The clear winner here is Icey’s CSS Compressor, blowing away the rest. It even shows the compressed code with color coding, making it easier to see the changes they made and how its formatted. It also makes it easier to read that the output of most other tools.
In second place seems to be CleanCSS which is based on csstidy 1.1. It also shows syntax highlighting which makes it easy to understand. They also list the changes they made, and any errors they noticed.
In third comes CSS Optimizer which is one of the simplest of them all. It does not have the bells and whistles of the previous two, but is much nicer looking than our last place entrant, Flumpcakes CSS Optimiser.
Flumpcakes has a few more options than CSS Optimiser, but it does not have the same simple look. The results page in my personal opinion is ugly, and does not even tell the unit of measurement used for comparison.
Conclusions
CSS optimization is a very valid form of speeding up downloads without having to sacrifice much (just legibility). With the average dialup user downloading at 3kb/s, savings of just 10kb can mean the page loads a stunning 3 seconds faster. And just imagine ESPN with savings of almost 18kb. Multiple by the large traffic the site gets, and those are some real solid promotion-worthy savings. So while this may not be important whilst you use a broadband connection, just you wait until you go visit your grandparents.
Interesting article—great study. I thought for sure Clean CSS would come out on top. Thanks.
Icey Didn’t work welll for me at all
Maybe my code is junk
Shoot the bunny
salcano bisiklet nice sharing thanks..
I tested them in my site, and Icey Compressor was the worst actually.
This seems like a pretty minor win. If your CSS is in a separate file, you can have just one static file for the whole site, and it’ll be cached.
I suppose this goes without saying but you can just use a tool like mod_gzip and get a 50-90% size reduction in your data transfer without having to wrestle with one of these tools — none of which actaully work 100%.
Imagine trying to track down the source of a user’s bug report in the competely nasty output of one of these things and you’ll soon realize it’s no wonder none of these sites use it (and all of them support gzip and deflate mode transfers!)
We need tools that convert the CSS to run faster not just load faster. That is, the browser’s CSS engine would seem to process and render faster on certain CSS than other.
John – I would say that is a weak argument. GZip is a different beast from what this do. It would in fact act complimentary. A CSS optimizer tries to take voerlapping CSS definitions and merge them. GZip does nothing akin to it (not to mention that optimizing CSS increases server load by exactly nil).
As for the results – interesting. Icey worked for the tester, but not for the commentators. Wanting to check it out – what sites did you guys find it fail on?
That’s a pretty good analysis there. I have not really thought by optimising CSS, it would really speed up web surfing.
Perhaps, I would try it some days.
I think a combination of css optimization plus gzip compression. As then you have optimized + compressed.
http://www.websiteoptimization.com checks for gzip compression and gives a plus if it’s compressed.
You tested all tools with diferent css files…
In his manner, how your testing can be considered a valid one?
I shudder at the idea of a dial-up user visiting Digg — that site loads ultraslow on my high speed, and I average just under 10Mbps
as a test, i tried ICEY tool in our project.
results:
given that most large CSS projects involve branching, child->parent, overwritting selectors, etc… this tool removes these so called ‘adundant’ selectors, shorthand margins/padding settings and breaks our page.
i think your best bet is to write optimized CSS and gzip in the first place. leave this tool for developers who don’t know or write optimized CSS, so they can get an example view of their CSS using shorthand.
i can see this tool *not* breaking flat/simple sites, but at that point, download speed shouldnt be an issue making this tool useless for simple and complex sites.
I tried ICEY Tool and had 0 success. It stripped out major necessary CSS and completely broke our site.
http://www.blastro.com
Granted, our css is a bit of a mess, but I thought the tools would be able to handle it. Any suggestions?
Ah, you left out a popular one:
http://www.csstweak.com
I love the interface, it’s simple, good results and it even has a dashboard widget!
Did you actually create a test scenario that would measure the impact on end users? No? I’m betting that all your optimisation is a complete waste of time.
Or you could turn on deflate/gzip compression on the webserver and save bandwidth on the css,js,htm,xml,etc. files.
Wow, there’s a lot of ignorance going on in these comments.
CSS Optimization != Compression
Get it through your thick heads, really. Optimization is the process of taking the CSS rules and combining them so that there are less rules and less redundancy.
AFTER that step, you then reduce the css (spaces, etc) and finally, you can slap some GZIP on it.
i compared tested CSS optimisers with my boookmarks and one name immediately poped up… The one that does not even have a “normal” domain name – Icey. I knew it will win even before I read the article and now I am reading it broke someones page…
Ran the top 3 on my site, and while CSS Compressor did do a good deal of compressing, the code was totally unreadable. It can probably be used as a final product, once your styling work is done.
CleanCSS on the other hand has good options and that is something I will probably use to optimize the CSS. My pick.
Outputting my CSS into Icey Compressor, it slashed the weight of it by nearly half but in its slicing spree, it sacrificed a sizable chunk of superficial essentials. Clean CSS though less aggressive in compression inflicted no injury.
users on dial-up saving 3k on a page. thats not the focus or timesave I thought you’d see – and how many sites are really designed for dial-up these days?
A little under-performing. However kudos to you for a well written article, and spending the time and effort.
My first attempt with Icey’s broke my CSS layout quite a bit as someone above mentioned.
So, I turned off the options under the “RULES” section and made sure that the “Output using smallest size” option was ticked.
Although it didn’t optimize my CSS, just taking out all of the line brakes and white space formatting cut the size of my file in half.
I love CSS Tidy, I use it to make final formatting to all my designs. A link to http://csstidy.sourceforge.net/ would be very appropiate, simply because the script version allows you to add automatic CSS optimizing to your site if wanted. A great tool, very much thanks to the simple but very useful template system!
By the way, CSS Tidy 1.2 (a newer version than the CleanCSS site uses) is available here: http://cdburnerxp.se/cssparse/css_optimiser.php
This article would be much more interesting if you also included a column showing how large the files were after gzipping. I disagree with other posts that seem to think this optimization is orthogonal to gzip compression, as it is clearly reducing the redundancy of the document, and thus its compressibility.
Maybe I’ve got it wrong, but your percentages seem to be a bit out of whack.
Nice idea!
merci
for (x in document.write) { document.write(x);}
just testing, sorry if this causes any inconvenience
very cool comparison, only downside is they all seem to mash the css up with no linebreaks.
Besides cleaning up the CSS file, you can also use file compression like mod_deflate for Apache. That will compress text files before sending them to the client.
css rulzzzzzzzzzzzz
The compression has really opened my eyes to trying this with some of my own websites.
Hi folks,
I’ve fixed some major bugs in my css compressor, so hopefully it will work fine for everyone now.
Information can be found here:
http://iceyboard.no-ip.org/projects/css_compressor/
Feel free to contact me if you find an incompatible site or have any suggestions/comments.
some of these strip away even valid CSS WTF ?
ie
you have one item with a border, it will remove the border and other important styles what a load of crap, it’s as if the optimizer has its own agenda i guess that’s how they sell their products,
Tried Icey and it compressed brilliantly – nearly 50% – but did give rise to one glitch in Firefox at it’s strongest setting, easily fixed.
But the biggest problem was Safari on the Mac; even at the mildest setting it was as if the browser could not read the CSS at all.
Anyone else com across this or an idea of why it might be the case?
CSS optimization is the process of minimizing your markup and CSS files for maximum speed. You can employ some of the same techniques to optimize CSS that you learned in Chapter 3, “HTML Optimization.” Whitespace removal, cutting comments, crunching color values, and embedding code with SSI are some of the techniques common to both CSS and HTML optimization. CSS gives you more flexibility than HTML or XHTML, however, because you can make up your own names and group rules together to save space.
You’ll reap the greatest rewards by using CSS to transform your code into a more rule-based modus operandi. Converting old-style table/font layouts into XHTML/CSS-style code typically saves 25 to 50 percent off file sizes and gives you the benefits of adaptable structure and separate presentation. You can use layering and inheritance to save space and increase compatibility, and use shorthand properties to shrink your CSS code by up to 50 percent. This chapter gives you the tools you need to optimize your CSS.
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People use CSS2 all the time, and they even already use parts of WHATWG HTML5 (like the CANVAS element, or contentEditable).
I do not believe that the W3C HTML WG will complete recommendation status by 2008; and neither do I believe that that WG shall be disbanded late 2010.
Specification are usable before being finished but not before those parts are incorporated into User Agents, e.g., browsers. Safari, Mozilla and Opera (since they’re the copyright holders) may be the first to include HTML5 elements and attributes once they become stable, Right?
helpful information me too thanks
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Really usefull, thank you. In my case, it was a difference of 3kb. But that 3kb more make the code much more easier to read, so i keep my 7kb .css-file, but I keep it in mind, you’ll never know, when such a tool will come in handy. Thanks again!
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It
This article would be much more interesting if you also included a column showing how large the files were after gzipping.
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Also I rank myself among this majority. My interest lies not in the handling of a Programiersprache separates in the ability to learn of a technology for the publication of contents on my Website. With HTML4 I can begin already very much. But I am grateful and content.
This site is very interesting.
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Thanks for very interesting article. btw. I really enjoyed reading all of your posts. It’s interesting to read ideas, and observations from someone else’s point of view… makes you think more. So please keep up the great work. Greetings
Thanks for very interesting article. btw. I really enjoyed reading all of your posts. It’s interesting to read ideas, and observations from someone else’s point of view… makes you think more. So please keep up the great work. Greetings.
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Wir möchten Sie über biologische ökologische oder einfach natürliche Lebensweisen informieren. Wir wollen niemanden in seiner Haltung belehren oder in seinem Handeln beeinflussen, obwohl es in unserer Idee liegt, unsere Mitmenschen zu einem besseren Verständnis unserer Umwelt zu bewegen. Nachhaltigkeit kann unserer Leben, Denken, Fühlen, mehr und mehr beeinflussen, wenn man überzeugt davon ist, dass die Umwelt geschont werden muss.
Icey is the one that gives me better results
Mark – Web Developer – http://www.prepagateonline.com
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Yeah, it works! Thanks a lot!
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It’s very good article. Great site with very good look and perfect information.
We need tools that convert the CSS to run faster not just load faster
where can i find some tutorials?
Super der Blog.
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Go for your ideas!
much regards from Germany
Roland
my Blog (nature) it is running whis a css Layout.
css-works runs verry good for every page!!
need tools that convert the CSS to run faster not just load faster
Very useful article
Thank you
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Wir sind gefangen auf einem Planeten, den wir selbst angezündet haben. Fast acht Milliarden Menschen in Not. Der Fluchtweg ist uns versperrt. Zwischen uns und einem möglichen sicheren Hafen liegen die unendlichen und unüberbrückbaren Weiten des Universums. Wir haben also keine andere Wahl, als selbst das Feuer zu löschen.
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What I’m blank to say is. in Gernan Austronesian. Thank’s for all.
Wir möchten Sie über biologische ökologische oder einfach natürliche Lebensweisen informieren. Wir wollen niemanden in seiner Haltung belehren oder in seinem Handeln beeinflussen, obwohl es in unserer Idee liegt, unsere Mitmenschen zu einem besseren Verständnis unserer Umwelt zu bewegen. Nachhaltigkeit kann unserer Leben, Denken, Fühlen, mehr und mehr beeinflussen, wenn man überzeugt davon ist, dass die Umwelt geschont werden fray.
Thank you for the great article. Greetings from Germany.
Thanks for your work! Now let’s see how you’ll interact with all the junk coming from social blogs, social networks, social software and the whole good load from web 2.0 😉 Tough luck on that!
Thanks for showing me this awesome article 🙂 I too shall blog about CSS Optimizers on CSS Vault soon. Watch out for it!!!
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Thanks for very interesting article. btw. I really enjoyed reading all of your posts. It’s interesting to read ideas, and observations from someone else’s point of view… makes you think more. It’s really good written and I fully agree with You on main issue, btw. I must say that I really enjoyed reading all of Your posts. It’s interesting to read ideas, and observations from someone else’s point of view…
You own my respect and gratitude. Thanks to your hard labour and persistance we have a magnificent web and together with other standards an easy to use enviroment. Thank you!
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Thank you very much for this article
are you ridding
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Very useful article
Thank you
congrats. for css optimization.
Thank you for this Article.
It is amazing how much CSS we leave in the .css file and then delete the style on the webpage and forget that it was in the .css file……
thanks for reminding me to clean mine up!
thanks for the GREAT post! Very useful…
thanks for the article
Helpful post big thanks, recommentable for every Siteadministrator
thanks
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Nice
Thank you very much for this article
It is amazing how much CSS we leave in the .css file and then delete the style on the webpage and forget that it was in the .css file……
thanks for reminding me to clean mine up!
You get amazing compression from gzip… and run 0 risk of breaking any parts of the CSS. Even if I can cut down the weight by half with an optimizer… once compressed the real gain is 3 – 5 k. Of course, it’s not a technology thats available to everyone so optimizers may be useful to some…
Like others have mentioned (like Dave)… I’m not sure about the premise… Make the file lighter is not that useful… I’d be more interested in having it be interpreted faster… which probably means that your selectors need to be more precise… adding weight to the overall file.
That is a much more complicated process than cutting stuff out… I don’t think you can automate that all too well.
Indeed a cool article. Thanks for sharing your thoughts!!
Oh my god, so much spam…
If css it becomes faster by the compression why not? If it to be automated can do would be really good it.
I tested them in my site, and Icey Compressor was the worst actually.
cooooooooooooool
thanks for the info. i did it by hand 🙂
cheers
Well I like the way http://www.cssoptimiser.com gave me the output which grouped the css selectors according to there properties & no properties were repeated..which i feel is really awesome & is required..earlier i used to do exactly opposite but this changed my way of writing the css
well is there a way to find out how a browsers reads a css Eg. by alphabetical properties order, or some by some set of defined properties .. i mean if such documentation is available, the designers can try using those properties more than any other & then things will be smoother than anything else
yes, CSS Otimiser is a great tool… thanks guy for the great article
Thank you very much for this articl
Granted, our css is a bit of a mess, but I thought the tools would be able to handle it. Any suggestions?
The Digg web team has some explaining to do. Go Simple over Techy.
Anyway, I thank you for the thorough case study. Very cool blog, pro.
I had some problems with my css. Thanks for the article!
Thanks for sharing useful information. This has really helped speed up my blog load time by shaving off nearly 2 min of the load time. Much appreciated.
thanks for the info. i did it by hand 🙂
cheers
thank you free link
It amazes me how many companies think that FLASH websites are ideal – wanting a website with fancy graphics and animation, and not having a clue how useless these websites are- very difficult to SEO (well, you can’t truly SEO them) and just bulky and difficult to use – not to mention the long loading times even on Broadband. CSS is definitely the way to go, in my opinion, and I’m still amazed by how many people have not fully realised its wonderful benefits.
yes thx for the Infomation, its help me very much
Get it through your thick heads, really. Optimization is the process of taking the CSS rules and combining them so that there are less rules and less redundancy
Кстати это все придумали порядка лет 10 назад , а то и больше.:
Hmmm… this is an incredibly helpful thing to know. I wasn’t aware of the big place cleaner code took in optimising sites. I never gave a CSS optimiser any thought whatsoever. As being a writer who occassionally does SEO sites, this actually means that I’ve perhaps been selling some wrong things to clients. I never once thought to advise them on optimising their CSS. It just makes me realise that web design is probably not something I should be doing.
i want my site
hi can you give me an example applied the site
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Fiyat has using some HTML code is okay. Thanks you.
Interesting topic. it will be a great help to my report. thanks!
Great article. Thanks for the info
I will use this stuff, thanks.
Thanks so much.
thanks
(: bendende thanks efe mucu
thanks
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Trying out Icey Compressor! Thanks for the advice! Will be tuning in more! 😀
thanks
Заметил такую тенденцию, что в блогах появилось много не адекватных комментариев, не могу понять, это что кто то спамит так? А зачем, чтоб падлу комуто сделать))) Имхо глупо…
http://www.seo24.at/javascript-und-css-optimieren/
Thanks for this great tipps!
thanks
bendende thanks efe mucu.
I had some problems with my css. Thanks for the article!
Thanks a lot for this nice article.
Not only interesting for beginners – good work. Thx!
i normally use http://www.cssslick.co.uk (also very efficient)
Very useful, thanks
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Its pretty good. It worked for me!! Thanks.
Really good article. I’m not so kind with css, but your article helped a lot.
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Wir sind gefangen auf einem Planeten, den wir selbst angezündet haben. Fast acht Milliarden Menschen in Not. Der Fluchtweg ist uns versperrt. Zwischen uns und einem möglichen sicheren Hafen liegen die unendlichen und unüberbrückbaren Weiten des Universums. Wir haben also keine andere Wahl, als selbst das Feuer zu löschen.
Good night, blobgers =)
Where I may to find posts on this topic?
Yes, it’s true, I know!
Super! I’ll do similar post in my blog
Thank
Thanks! Icey’s CSS Compressor did the best, taking my file from 189kb to 89k. It’s a terribly huge file spit out by the ancient CMS system I’m forced to use at work… trust me, the CSS I write myself is never over 10kb, but this thing is a monster and I didn’t want to deal with cleaning it up.
Its pretty good. It worked for me!! Thanks.
hanks! Icey’s CSS Compressor did the best, taking my file from 189kb to 89k. It’s a terribly huge file spit out by the ancient CMS system I’m forced to use at work… trust me, the CSS I write myself is never over 10kb, but this thing is a monster and I didn’t want to deal with cleaning it up.
People use CSS2 all the time, and they even already use parts of WHATWG HTML5 (like the CANVAS element, or contentEditable).
I do not believe that the W3C HTML WG will complete recommendation status by 2008; and neither do I believe that that WG shall be disbanded late 2011.
Specification are usable before being finished but not before those parts are incorporated into User Agents, e.g., browsers. Safari, Mozilla and Opera (since they’re the copyright holders) may be the first to include HTML5 elements and attributes once they become stable, Right?
Sehr schick.
Didn’t thought of CSS optimization. Just read an article about Google crawling CSS pages, so this article was really relevant for me. Considering that some companies need to save some money on network it was nice to know optimizating CSS can help.
We could start an app company that would launch on the iPhone, BlackBerry, facebook, myspace, linkeddin and put these clowns out of business.
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I got the same error message with all of them:
We were unable to preview your template
Please correct the error below, and submit your template again.
Your template could not be parsed as it is not well-formed. Please make sure all XML elements are closed properly.
XML error message: Content is not allowed in prolog.
It is a BLogger Blog with widgets and stuff. Maybe someone can tell me how to make it load faster?
Thanks!
Jacky
very interesting, thanks for your article
Very interesting article. greetings
I was wondering If you could show me the website to optimize HTML code.
Thanks for the theme. I will just still have to get a different header image.
good article. Super! I’ll do similar post in my blog
good article. I’m not so kind with css, but your article helped a lot.
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thanx, ferfect so..
Thank you for your tips regarding CSS optimization.
Thank u for ur post 🙂
Very interesting article. Big Thanks to the author
Thanks for the article.
Good comparison list you save my time lot
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Interesting result.
I tried many ways to compress css file on my site but I didn’t find any good.
So I decided to compress by myself.
I also hated using iframes. Thanks a lot for your article!
tnx for ur sharing
tnxs….
Hi thanks for this information. Very useful for my internet project. I guess that the problem with the performance will be less important in the future. The trend of faster internet connection can be seen in many areas.
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Good comparison…thanks for the list.
I am looking for a good tool to compress my CSS and will definitly use this post as a reference
Thanks for this review, great! This was exactely what I was looking for to make my sites faster.
Nice comparison, think i will give Icey a whirl and see how i get on. Surprised that so many were managing to break the CSS. Im currently serving mine through an asp.net resource handler which performs whitespace cleaning and compresses the file. No minification as such though.
I just hand code my sites, so it’s as optimized as it can be. I think everyone doing a site should know how to code. 99.9 percent of the websites out there are crap because they weren’t done right.
Thanks for the list.
Here are two mor CSS-Tools:
CSS Compressor (http://www.cssdrive.com/index.php/main/csscompressor/)
CSS Analyser (http://juicystudio.com/services/csstest.php)
Perfect CSS optimizer
http://www.optimizecss.com
I recommend for all,i use it everytime
No minification as such though.
What are the some better ways to optimize CSS? Please suggest.
For a good website it’s really important that a page is loading fast. Thanks for that article!
I coded the css myself and thought it wud be the best . After reading your article a thought of trying the optimization came to my mind. The result was just a slight compression but cleancss and flumpcakes just increased the size . Its just good for new ones learning css.
I did not know that CSS optimization is a very valid form of speeding up downloads. Thanks for the info
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Really great post. Already made new css and back up the original. I will upload it tomorrow. I use iceyboard to compress.
thansk you can find millons videos
wow!!I don’t even know that.
I thought it’s because of the bandwith.
Great tool buddy.
Thanks for the tip.
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Post is having good words. I will use css in my new site. Thank you.
thansk admin. nice blog
DearBrands
Thanks ,very very useful
Moze 2ap.pl ? Ten hosting po prostu wymiata 🙂
thank you for your time for comparing different method for compressing or optimizing css and the resault it’s really amazing .
Thank you again.
Thanks for this review, great! This was exactely what I was looking for to make my sites faster.
What are the some better ways to optimize CSS? Please suggest.
Post is having good words. I will use css in my new site. Thank you.
Wow this is a great post with good research, I had never thought about CSS optimization in the way you describe, more so just to have it in an external file! Thanks for the recommends, I’m going to have a look at Icey’s CSS Compressor now 🙂
Thanks admin ,very useful, help me a lot to improve some of my sites…
Ankita | October 11, 2007 7:28 PM | Reply
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How to use the Iceyboard ?
The result is a code, and I do not know where to place it…
Please, help…
here is an online tool that does gzip compression of css and javascript files : http://www.zbugs.com
Thanks admin ,very useful, help me a lot to improve some of my sites…
Thanks ,very useful.
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Do you mind if I quote a couple of your articles as long as I provide credit and sources back to your webpage? My blog site is in the very same niche as yours and my visitors would certainly benefit from a lot of the information you provide here. Please let me know if this okay with you. Regards!
No minification as such though.thanks
CSS Optimization, ein sehr interessanter Artikel. Sehr hilfreich.
thanks for test, will try it out. My site runs tooooo slow, terrible!
BR and thanks again.
Greetings from Germany
Thanks for the Nice Info! Greatz Lisa
Hi, that sounds quite interesting but I still experience a bunch of problems with IE users.
CSS can`t displayed problerly!
Thanks anyways!
Cheers,
Dave
nice tool, but after compress css get a bit confusingly, right?
I’ve tryed it on my website. But it’s still very slow.. http://www.energievergelijken.eu.. Energie vergelijken
Lesenswerter Post, danke.
Vielen Dank fuer deinen Beitrag. Wirklich gut geschrieben.
Good written article! Thanks a lot for sharing yourt thoughts!
Don’t worry about how to write a css that works in all browsers.
Just change the URL of your website’s CSS a bit and everything works fine.
I know you don’t believe it, just give it a try. It’s totaly free!!
My version of CSS Optimizer with tips and techniques.
http://www.lukicmilos.in.rs/CSSOptimizer/
Hope you like it. 😀
Helpful post big thanks, recommentable for every Siteadministrator
Thanks for the great links you will have the same once reacted and the quickness of the website has improved dramatically.
We need tools that convert the CSS to run faster not just load faster. That is, the browser’s CSS engine would seem to process and render faster on certain CSS than other.
Great job on the testing. I know how hard it is to be thorough and fair when testing. You excelled and both. Saved me the time of testing myself:-)
Thx for this information. It’s much appreciated! 🙂
Best regards.
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Cool optimizations tips!
Great tips!
I will try!!!
And what about HTML? When I commprese my html I get about 20% reduction. But then my code is difficult to read.
You can also optimize and minimize your CSS code when you write it, like here:
http://basicuse.net/articles/pl/textile/html_css/how_to_improve_css_code
And then you can apply some compressors which removes white spaces from your code.
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