A free and open source web browser descended from the Mozilla Application Suite. Download it at mozilla.com.

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9
votes
7answers
19k views

Font displays differently in Firefox vs. Chrome

It seems that my menu bar is displayed with a different font stretch in Firefox than it is in Chrome. See the following: Here is the CSS applied to this element: font-variant: small-caps; ...
8
votes
4answers
1k views

Is there anything wrong with targeting the alt attribute in css?

I tried targeting the the alt attribute in css. My solution worked in Firefox/Mozilla, but fails in Safari-Chrome/Webkit. Is there anything wrong with styling an alt tag? If not, how do you suppose I ...
7
votes
3answers
2k views

input type=“email” allows test@test, why?

I've always been under the assumption that the browser email-validation-regex is more robust than some regex pattern in JS/PHP. My employer just showed me that both strings are considered correct (at ...
7
votes
2answers
2k views

What are the differences between Firefox's Javascript engine and Chrome's V8?

I've noticed that Chrome and Firefox take different amounts of time to render certain things. In general, Chrome has been faster. What should I know about both of them (and IE8/9, too, I guess) when ...
6
votes
1answer
842 views

Firefox, iframes and redirects

I encountered this same behavior years ago and gave up back then when I couldn't find a solution. I'm hoping someone knows what's going on here and how to solve it. I have found that if you have a ...
5
votes
2answers
281 views

Firefox remembering telephone number as username

I have a registration page which includes all the standard fields e.g. phone no, email etc. The telephone and password are tab adjacent i.e. not physically adjacent but if you are tabbing it goes ...
4
votes
3answers
160 views

Testing websites for Firefox

What versions do you test with when testing for Firefox compatibility? Firefox 3 is a no-brainer, but do you then test for 4, 5, 6, 7, and 8?
3
votes
2answers
3k views

Why doesn't autofocus=“autofocus” work in Mozilla Firefox?

<INPUT TYPE=TEXT NAME="Gw" MAXLENGTH="225" size="42" autofocus="autofocus"> If I try this with Google Chrome it works. I just want to highlight a form without <script>. Why doesn't it ...
3
votes
2answers
4k views

How can I have multiple sessions in FF without using profiles?

I'd like to test my website as different users simultaneously, ideally on Firefox. Currently the only ways I know of doing this are Using different browsers Using profiles with FF It's frustrating ...
3
votes
4answers
2k views

Firefox reports HTTPS page to contain non-secure elements

When I visit our web site pages with IE over HTTPS, it reports the web site as protected (i.e. no elements are taken using HTTP). The same page, when loaded to Firefox, causes Firefox to complain that ...
3
votes
3answers
1k views

SEO: Firefox addon/plugin to see Google results with a position number?

Do you know a Firefox addon that adds postion number to Google/Yahoo results. When I do SEO report for www.some-site.com by keyphrase "some-keyphrase" I usually show results in blocks of 100 results ...
3
votes
1answer
1k views

Enabling SPDY in Firefox 11

I wanted to post this Question and answer it because I didn't know where to post this thread on a Mozilla website. You can now install SPDY on your Apache server with mod_spdy by following these ...
3
votes
2answers
339 views

Page Speed no longer working for Firefox 4?

Hey there, I love Google's little Page Speed tool, I've seen some wonderful speed advances on sites I've worked on because of it, but since I've upgraded to FF4 it doesn't seem to be in Firebug ...
3
votes
1answer
2k views

JavaScript control of <audio> not working in Firefox, works in Chrome

<audio id="audioMusic" loop="loop"> <source src="/Music/behind_you.ogg" type="audio/ogg" /> <source src="/Music/behind_you.mp3" type="audio/mp3" /> </audio> <script ...
2
votes
1answer
363 views

One gzip test returns positive, one returns negative.

Can anyone help me figure this. If I use this compression test it tells me my site uses gzip. But when I run the yslow Firefox plugin it tells me my site does not use gzip. Has anyone came across ...
2
votes
3answers
2k views

Open a page that redirects without clearing cache

I've taken over a website that has an index.html page that redirects. This page gets cached. Obviously clearing the browser's cache entirely would solve the problem. Is there any way to go directly to ...
2
votes
1answer
24 views

Apply CSS to a particular page element in Firefox

Is there a Firefox extension that will let me simply select a visible element on a page, get a CSS selector referring specifically to that element (as the Firefox Web Developer extension already ...
2
votes
2answers
212 views

Firefox stalls on rendering when chrome doesn't

I have a webpage that loads quickly 100% of the time in chrome, but only 10% or so of the time in Firefox. Looking at the fiddler capture, Firefox only loads 2 of the 100ish files being pulled before ...
2
votes
3answers
356 views

Strange script font appearing in Google search results and Firebug

The weirdest thing has just occurred. I did a google search and once the page had rendered I could see double f's had been replaced with a strange script font. Even weirder, once I chose to have a ...
2
votes
2answers
1k views

Firefox Addon to override system name resolution for certain host names?

Is there any Firefox plugin that allows to change how Firefox perform name resolution? I want to override the system-wide hostname resolver to attach some IP to certain hostnames. Let me explain. ...
2
votes
4answers
2k views

Broken jQuery/CSS in Firefox - ColorBox and reCAPTCHA

I am working on what would appear to be a basic contact form. I am using the ColorBox plugin for jQuery to build a form with an image link, which then opens a ColorBox containing the reCAPTCHA form ...
2
votes
0answers
184 views

Which browsers send “Expect: 100-Continue” request header? [closed]

I just want to make sure which browsers send the Expect: 100-Continue header? So that until the server responds with a 100 Continue HTTP status, no data should be sent.
2
votes
3answers
55 views

input content in FF & Opera

i got a "register user to website" form on my site. It looks fine in all browsers except Opera and FF.. i tryed to show pics through html so you can see what I mean, but i cant without 10 posts, and i ...
1
vote
1answer
1k views

why isn't mozilla rendering my custom fonts

I working on a website - goodmorninghomes.com The site looks perfect in all browsers including internet explorer but not in mozilla and the problem is the different fonts. I have included some custom ...
1
vote
1answer
42 views

Browsers specifically for web development

What are some browser "distributions" (a la linux distributions) that are pre-configured for web development? I'm thinking for example of an OSX app I can download that contains Firefox already ...
1
vote
3answers
271 views

User Accounts on a website

A website that I'm making on my mac has been giving me issues. I'm trying to create user accounts for the site using php but chrome/firefox keeps downloading it instead. So I use my iPad and it keeps ...
1
vote
1answer
80 views

Favicon not being displayed in Firefox?

I have a document like this: <html> <head> <meta charset="utf-8"/> <title>mac</title> <meta http-equiv="refresh" content="60" /> <link ...
1
vote
1answer
103 views

Firefox doesn't render one character with imported font (Chrome does it well)

I've run into an issue with Firefox. Check out the example: http://codepen.io/anon/pen/BuLhF. Basically, with the font Poiret One, embedded with Google fonts, the letter ō doesn't render properly in ...
1
vote
1answer
79 views

After changing DNS a domain shows differently on different browser?

I have changed the nameserver's of one of my domains but I found a problem that within Firefox these changes have not updated as expected, however this problem does not occur in other browsers such as ...
1
vote
2answers
2k views

Is there a plugin for FireFox to simulate IE 6 HTML rendering?

Is there a plugin for FireFox that will allow me to view a website as if I was looking at it in IE 6? I have a login portal on the site built with ASP, and users with IE6 cannot display it. I have ...
1
vote
3answers
691 views

Javascript and PHP how should I en/decode my data

I would like to know in what encryption should I encode my data and why. First of all, I use GET method because it is search engine inside website. Second, I use RTL language (hebrew). And third which ...
1
vote
1answer
54 views

OpenSSL error message: “The certificate is not valid for any server names”

I'm working on creating a self-signed OpenSSL certificate for testing HTTPS on my local development platform. When I browse with FireFox to a HTTPS test page I am seeing: The certificate is not valid ...
1
vote
1answer
60 views

Why does Firefox suggest I have mistyped my domain?

If I type my own domain into the Firefox address bar it will suggest that I may have mistyped it and offer to "protect me" by redirecting to a large commercial website which is the same as my own ...
1
vote
1answer
132 views

Form content not loading in Firefox 18

Since Firefox 18 was released, new users have been unable to register on our Joomla-based site. The form loads and works in Chrome, IE, and Firefox 17 but not Firefox 18. To make things even more ...
1
vote
1answer
376 views

Extended validation certificate not changing browser bar green in Firefox

I'm having some problems with an Extended validation certificate on a site that isn't showing the green bar correctly in Firefox. Chrome and IE are working fine. When I load the page the bar appears ...
1
vote
1answer
931 views

Redirecting not working properly in Firefox 9 (or any older version for that matter)

How do I fix a redirect in Firefox so that it leads my site to another address but with a slash at the end of it? This is my redirect in .htaccess: RewriteCond %{HTTP_HOST} ^test\.mydomain\.com$ ...
1
vote
1answer
126 views

Firefox plugin to learn about technologies used by other web sites

Is there a FireFox plugin that tells you what web server (httpd, Tomcat, IIS), platforms (Drupal, WordPress, Rails, PHP, .NET, Java) and client-side (JavaScript, HTML5, Flex) technologies a particular ...
1
vote
2answers
60 views

Archive of historic Firefox builds for Windows?

For testing web content in Firefox I'm searching for old versions of Firefox Windows installers. Evolt is not up to date with historic Firefox builds. I'm looking for just the main point releases. ...
1
vote
1answer
68 views

With the following settings shown here, will there be any caching in Firefox?

browser.cache.disk.enable = false browser.cache.memory.enable = false network.http.use-cache = true With the following settings above, will there be any caching in FF? Does the disk.enable and ...
1
vote
0answers
497 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 ...
1
vote
1answer
85 views

Access Populated server [closed]

I don't know if this is the write forum to post this on... If it's not sorry to bother you! I'm going to need to get into a server which can accept ~x users; however, ~2*x users will be trying to ...
1
vote
0answers
976 views

Firefox: @font-face issue w/ remote fonts [closed]

I've been having some trouble understanding this issue. I'm trying to use an @font-face font on a subdomain, say mysite.example.com. The "src" of the font face would be something along the lines of ...
1
vote
2answers
2k views

Using <audio> in Firefox with JavaScript

I am trying to implement background music on a website using the audio object, which is controlled by a JavaScript, I have posted a question about this before, @LazyOne explained that IIS will not ...
1
vote
1answer
104 views

Same page looks great in Firefox & crome But Not in IE8

I have a site hosted at: http://41.223.52.100/ which i used jbar to display certain text on the page. The same page looks great in Firefox & google crome but not in IE8, Can't figure-out why! ...
0
votes
3answers
299 views

Why Opera browser is less supported than IE, FF and Chrome?

Why Opera browser is less supported by web sites than IE, FF and Chrome? IE understanding, but why less than FF and even Chrome?
0
votes
1answer
1k views

IP Address headers (Remote_Addr) - When is this header sent by the browser?

I want to know when a browser includes the header - Remote_Addr in the HTTP request. I observed the request sent by the browser on loading stackoverflow.com, in the web console window of Firefox. ...
0
votes
1answer
547 views

How do I disable ligature in Firefox 8?

So I am viewing this page I just made on FF8 and I have the word "efficient," but the two f's don't show up at all. I bought the font Alwyn and I guess it does not have the ligature. I only see this ...
0
votes
1answer
235 views

What's the best body text font for Windows XP? [closed]

For my Windows testing, I am using XP, since that is what I have, and I am testing with Firefox and IE. I noticed that the Times, Georgia and Utopia fonts all look pretty bad in Firefox. I've noticed ...
0
votes
1answer
166 views

When does FireFox ask for confirmation on page redirect?

Every once in a while I click a link and see the following (I'm using FF 11.0): I was wondering why FF does this on some redirects/links and not on others. I was thinking maybe it does that when ...
0
votes
1answer
172 views

Bounce rate nearly 100% in Safari AND Firefox? [closed]

Our website has a bounce rate of nearly 100% in both Firefox and Safari, and around ~40% in all other browsers. The bounces span all versions of each browser and both operating systems. I cannot ...