A free and open source web browser descended from the Mozilla Application Suite. Download it at mozilla.com.
A free and open source web browser descended from the Mozilla Application Suite. Download it at mozilla.com.
Questions tagged [firefox]
93 questions
47
votes
6 answers
Firefox accusing me of distributing malware on my site
I noticed that Firefox has decided to block some EXE installers from my site, showing a label Blocked: May contain virus or spyware. I right-click the file, select Unblock, and this message is shown with the Unblock Anyway and Keep me Safe options:…
andreszs
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- 9
37
votes
4 answers
How do I make my site compatible with Firefox's Reader View feature
The latest version of Firefox has a button called "Reader View" that is supposed to hide the clutter on the page such as sidebars and headers and only show the…
Stephen Ostermiller
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- 18
- 143
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17
votes
3 answers
What is the purpose of GETting this external file?
A website I am visiting occasionally makes XHR requests to http://detectportal.firefox.com/success.txt which is a text/plain resource whose body contains the text success.
I am unable to figure out what the purpose of this HTTP request might be.
René Nyffenegger
- 323
- 1
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- 10
15
votes
8 answers
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;
font-size:13px;
letter-spacing: 0px;
font-family:…
Goro
- 263
- 1
- 2
- 6
14
votes
1 answer
How to make a large icon appear in Firefox's new tab Top Sites?
In the latest stable release of Firefox (version 57), dubbed Quantum, the user controlled Top Sites feature on new tabs changed. Previously, only a crude thumbnail of a partial screenshot appeared regardless of website and could not be controlled. …
Kyle Berger
- 141
- 1
- 3
11
votes
1 answer
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. There were no headers pertaining to IP address sent.…
Ashwin
- 249
- 1
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- 9
11
votes
4 answers
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 troubleshoot for Webkit.
Here's an…
Ben Ackles
10
votes
3 answers
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 last in FF28):
test@test.com // Expected to be…
Martijn
- 6,806
- 19
- 36
9
votes
2 answers
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 constructing a Javascript/jQuery app?
Jason
- 2,158
- 21
- 26
9
votes
1 answer
Why does Chrome show 304 in Response Headers section but 200 in Status code?
Why does Chrome show 304 in Response Headers section but 200 in Status code? Why doesn't it show 304 in Status code (BTW, that is NOT 200 memory cache.)?
If it shows 200 I can't know it is actually 304 without looking into request…
Qiulang 邱朗
- 191
- 1
- 6
8
votes
1 answer
Can I omit the domain name for href in the HTML base tag?
Currently on my website, I use an HTML base tag to shorten URLs in anchor tags. All URLs on my site belong to one domain. For 100% compliance, I use an absolute URL. for example:
Mike -- No longer here
- 13,650
- 5
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8
votes
4 answers
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 first name -> surname -> email -> telephone ->…
tgandrews
- 213
- 1
- 7
7
votes
1 answer
Why doesn't FireFox cache my JavaScript file?
I've been trying to figure out why Firefox does not cache my JavaScript file. I don't have this issue with Chrome or IE.
Here is what my server's Response Header looks…
Roman Mik
- 213
- 2
- 5
6
votes
3 answers
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. Let's say I'm developing a new website and I want to…
Cristiano Paris
- 161
- 1
- 2
6
votes
1 answer
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 page in Firefox that contains an iframe and in that…
Andrew
- 161
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