Web page looks good in Firefox but every other browser hates it

I am trying to make 开发者_C百科my own website and it was coming along quite nicely. It looked beautiful in Firefox when opened and worked wonderfully. But then I run it in any other browser and it does not work. How can I fix this? Interner Explorer especially hates it =[

You just got to see it to know what I'm talking about so here is the link:

http://opentech.durhamcollege.ca/~intn2201/brittains/chatter/

Please give solutions that don't involve JavaScript.

Rendering differences between Firefox and Internet Explorer are really the daily trade of everyone who designs web pages.

You should start identifying which elements exactly cause the problem(s) and then formulate a question regarding exactly that. (or do a Google search, all those incompatibilities and how to fix them are documented somewhere on the net in some form.)

Also, I'd recommend you download a Tool like IETester and check out which versions of IE the site fails in. It looks pretty OK in IE8, but the inline frame looks bad in 7.

Then, really make sure your page is valid. (It probably shouldn't be XHTML, but have a HTML doctype.) This is not to conform with some rules, but because validation catches an awful lot of errors like unclosed tags that screw up the rendering. This isn't the case in your case right now, but still I'd recommend doing it.

On the long run, these tools are going to be very helpful:

• Firebug in Firefox (Right-click any element on your page and choose "Inspect element..." it gives you heaps of useful information

• The Web Developer Toolbar in IE8 (press F12 to open it) that is similar to, if not as powerful, as Firebug.

OK, I had a look at the page in IE6.

Some tips.

1. Try to avoid tables for layout. I admit that putting the fancy border around the "welcome" area, is much easier using a table than any other way, but the other tables are completely unnecessary, and the cause of your much of your problems, because browsers, particularly IE6 and IE7 like to do their own thing when deciding how to lay them out.

2. As bobince says, table-layout:fixed on the signupTable1 will help a lot

3. Also, for IE6, giving the td containing "welcome" a height of 100% helps.

4. The margin widths of the items in the cells in the signupTable1 are percentages of the cell width in FF, but percentages of the screen width in IE6. You should add some IE6 targeted css to compensate for this.

Finally, as far as I can see, your markup is immaculate polyglot HTML/XHTML and serving it as text/html and using an XHTML doctype should not cause any problems.

Your page declares an XHTML doctype, yet it is not valid XHTML:

http://validator.w3.org/check?uri=http%3A%2F%2Fopentech.durhamcollege.ca%2F~intn2201%2Fbrittains%2Fchatter%2F&charset=%28detect+automatically%29&doctype=Inline&group=0

Furthermore, it's returned with a content-type header "text/html", which is wrong for something that's supposed to be XHTML. Unfortunately, the correct content type will not work either.

So there are two things you have to do:

• Don't use XHTML
• Make your HTML validate

Then you can start thinking about actual browser incompatibilities.

It looks the same in Firefox 3.6.2 as in Internet Explorer 8. However the old browsers are the evil ones: search the web for Internet Explorer + margin, because thats where Internet Explorer fails.

Simple trick: do not use margin.

position:absolute;
top: 80%
left: 100px;

And then... google for specific stuff :)

Ok I fixed 2 errors finally figured them out

changed

#loginForm {

    float: right;

}

#loginTable {

    margin: 20%;
    margin-top: 14%;

}

to

#loginForm {

    float: right;
    margin-right: 5%;
    margin-top: 2.5%;

}

#loginTable {



}

and added

<!--[if lte IE 7]>
    <style type = "text/css">
        #loginForm{margin-top:-157px}
    </style>
<![endif]-->

not a solution I like but one I will have to deal with.

Ok still leaves the issue of I hear there is a 100% height problem and my horizontal borders wont stay the correct width.

First, make both your HTML and CSS to validate:

• HTML validator: http://validator.w3.org/
• CSS validator: http://jigsaw.w3.org/css-validator/

Then, if your valid code still fails in particular browser, find the problematic HTML element using the browser's debugging / inspection tools:

• Safari / Chrome: built-in Inspector
• Firefox: separate plugin, among the best is Firebug
• IE8: built-in Developer Tools
• IE6/7: must be downloaded and installed from Microsoft
• Opera: built-in Developer Tools

As long as you use valid CSS 2.1, differences between modern browsers should be minimal or almost non-existent. Yes, modern browsers do very good job in implementing standards, especially if you avoid bleeding-edge not-yet-fully-standardized techniques (CSS3, HTML5). (We are forgiving and count IE8 as "modern" here despite its CSS 2.1-only support, PNG issues, slow JS speed, etc.)

Oh, one thing not related to validness: always remember that many UI elements (fonts, buttons, etc.) are not rendered in exactly equal sizes in different browsers / platforms. Also screen sizes may vary largely due to popularity of mobile browsing. That's why you should prefer elastic / fluid layouts and not rely on pixel-perfect rendering.

Most IE 6/7 bugs are the same old common ones repeating and there are plenty of resources about fixing them. Create separated stylesheet(s) for IE(s) and include them by using conditional comments.

As a final comment, as long as open standards / technologies are used, personally I couldn't care less supporting a decade old browser, except in form of graceful degration, unless I'm paid generously for that. Browsers are free to upgrade, there are no reasons not to do that. No excuses. World is not static, show must go on, you won't see HD with your old tube telly, etc.

I also think it's our responsibility as web developers to force the big masses to adopt new (open) technologies, because they save huge amount of our time, makes possible to create better end-user experience, etc., the list of benefits is endless. Again comparison to other industry: consumer electronics companies keep pushing out new things, although most people would happily use 20 years old tech unless forced to upgrade their (naturally conservative) mindsets.

The messed-up borders around the ‘welcome’ box and the wonky centering is because you're using ‘auto layout’ tables for page layout. This leaves you at the mercy of the auto table layout algorithm, which is complicated, unreliable, and a bit broken in IE.

For places where you must use tables for anything more complicated than simple data, set table-layout: fixed on the <table> and add explicit width styles on either the first row of <td>​s, or on <col/> elements just inside the table. Columns you leave without a width style will share the remaining spare width between them. Set an explicit height on the rows containing fixed size images to stop them sharing the table height.

However, for the main page layout here you would be much better off using CSS positioning or floats rather than tables. You can use nested divs (each with a separate background image) to achieve the image border effect without resorting to tables.

If I were you, I would not bust my guts trying to make the site work for ancient browsers like IE 6.

Indeed, one could argue that you would be doing the world a favor if you made your site refuse to work with IE6. Anything that can help to push IE6 into the grave is a good thing.

If Google can say that IE6 is no longer supported ... so can you.

Now if you were building this site as a money-making exercise, and demographic included a significant percentage of IE6 users, maybe the pain of supporting ancient non-standards-compliant browsers would be worth it. But otherwise, I'd say it is not.