How can I prevent Firefox from loading images? [closed] - firefox

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I'm writing a rudimentary screen scraper tool as an FF add-on (using DOM and xpaths). Currently, it runs fine. However, it also runs very slowly, as Firefox takes some time to request and download all the non-textual elements on each page (simply writing a separate application that parses the raw HTML is not feasible as some of the pages that need scraping make rather complicated AJAX requests). While I have seen 'Image block' and 'Flash block' plugins, these all seem to merely prevent the images/flash from displaying, rather than actually suppressing the GET requests.
So my question is this: is there any way for me to prevent Firefox from issuing these GET requests to begin with?

Preferences -> Content -> "Load images automatically".

Adblock Plus (or Adblock) can block images and more...
after installing, on the upper menu (aside of address bar) there appears an icon, right click>Options> Edit Filter:
The filter to block:
GIF images would be .gif
Flash would be .swf
and etc..
if you need to enable for specific site, just click icon and Enable/Pause for this site. then reload page to see images and etc..
for only specific site, like this: http://ad.uk.doubleclick.net/*.swf

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How to determine missing font on MacOS [closed]

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I'm having trouble reading some webpages on Firefox and MacOS. I commonly come across sites that look like the following.
Is it possible to determine which font is missing by inspecting the web page source or via web developer tools? The issue seems to be specifically related to Firefox as the fonts are loaded correctly with Chrome and Safari
Edit: Here is an example
Alternative - Go into the browser console (Command + Option + I) and use the console selection pointer tool (icon to the left of under 'inspector' tab) and select a piece of text with the unknown font. Under the "Rules" panel where you will see all the CSS elements for the page, add to the body or paragraph element a definition "font-family:Arial" and see if this allows you to read the text.

In Firefox Quantum, how can I get rid of the tab bar, want Tree Style Tabs only [closed]

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Closed 5 years ago.
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I'm a long time user of the "Tree Style Tabs" add-on of Firefox. As a matter of fact it is the reason why I use Firefox
Firefox automatically upgraded to their new version, Firefox Quantum. Now there's an annoying bar of tabs across the top which is redundant because the Tree Style Tabs also puts the tabs on the left.
Is there a way I can disable tabs on the top bar? If not, is there a way I can go back to an old version of Firefox and not have it update to Firefox Quantum?
Through further research I realized that my question is a duplicate of the one posted here.
The answer there worked for me, though it was a bit of a pain (requires creating a text file in a magic place, and the first time I tried I put it in the wrong place). It would be nice if this was a configuration option provided in Firefox's menus.

Bet365 website is not working [closed]

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Closed 2 years ago.
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I'm trying to add bet365.com UI to my desktop application, but the site is not show up!
I tried:
- IE, Chrome, Firefox
Im running Windows Server 2012.
I tried HMA VPN to change my IP location, changed DNS, nothing works.
Any help please!
Browsers screenshots below.
IE
And Chrome
Updated:
I have tried Bet365Mobile version->same issue
With Chrome, allow 'Load Unsafe Scripts' -> same issue, nothing showup
You will need to provide HTTPS before your URL.
that is src="https://" if your program has a URL that is calling the website. Prefix the Https before that
You can search for mixed content directly in your source code. Search for http:// in your source and look for tags that include HTTP URL attributes. Specifically, look for tags listed in the mixed content types & security threats . Note that having http:// in the href attribute of anchor tags () is often not a mixed content issue
refer to this link
Mixed content prevention
follow this link if your using the website as a user

Get website hidden behind loading page [closed]

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Closed 6 years ago.
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Some websites (example) have a "loading" screen display before they show you their actual content.
If I curl the site, I get this loading screen rather than the content which I want.
How can a bash program get the actual content of the web page, rather than this "redirecting" page?
Modern websites tend to be very dynamic, at least compared to those of the early web. Thus, there are many opportunities for a site operator to hide content; a common one is to load everything, but hide it with Javascript, in which case disabling Javascript prevents the "hiding code" from running.
In this case, the site appears to be using Cloudflare as a CDN. Your request goes to Cloudflare's servers, and then is forwarded on to the actual underlying site. If Cloudlfare decides that your browser looks like a threat, they may decide to do some additional checks - but apparently they didn't decide that curl was. We have no way of knowing what exactly their decision is based upon, but they have complete control over deciding what HTML you are served.

Network info in Firefox? [closed]

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In every other browser I simply select 'network' in the development tools area to see files used on a website (to see download times etc.)
I can't see any way to do this in Firefox.
I've downloaded Fiddler, Tamper and Live HTTP Headers plugins, but I just simply want to view the files being used on a website, but can't see how.
Is that even possible with Firefox?
Get Firebug. Mozilla plans to improve their DevTools with an Network Panel & More soon. These are tools you'll find in chrome and firebug, but not in the Firefox DevTools yet. Victor Porof is working on this, and he managed to get a working prototype.
Is that even possible with Firefox?
The answer is, "Yes".
Press CTRL+SHIFT+K to open Web Console in Firefox.
Then select the Network tab to see the list of files along with their download times.
EDIT:
XHR requests being captured in the Network tab.

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