For questions about web browsers caching data on the local machine.

learn more… | top users | synonyms

1
vote
0answers
42 views

What is the maximum file size that will be cached by a browser?

Note that I don't mean the maximum size of the browser cache. I mean, what is the maximum size, if any, of individual files that will be cached by the major desktop browsers? Mobile versions optional. ...
73
votes
5answers
23k views

Clear 301-redirect cache in Firefox

Is it possible to clear only 301-redirects from Firefox's cache? CTRL+F5 doesn't do the job since you just reload the target without caching but do not clear the cached redirect. An option to disable ...
3
votes
1answer
3k views

How can I force Google Chrome to cache images?

There's a website I use every day, and there are lots of large images on it (uploaded by my designers). Every time I go to a page, the images get downloaded again, and it takes forever. How can I ...
121
votes
8answers
72k views

How can I clear a single site from the cache in Firefox?

In Firefox, I occasionally need to clear my cache to fix a website. But clearing the entire cache seems like extreme overkill. Is there any way to just clear the one site from my cache?
0
votes
0answers
17 views

Do images served over https get cached?

It seems they are loaded again each time when I reload the page using Firebug Net panel. Update: I don't know if I can trust the net panel. It has an option to disable browser cache. It was selected. ...
1
vote
0answers
22 views

How to get complete page back in Google Chrome

I was working on a js fiddle and got carried away. I did not think to save and then I hit the reload instead of run, and now I lost a bunch of work. Is there any way to get the cache back? All I need ...
1
vote
1answer
546 views

Recreate a webpage from browser cache

I visited a webpage yesterday using Chrome. That website no longer exists. I checked the browser cache, and I see something along the lines of this (just a lot more of it) 00000000: 1f 8b 08 00 ...
2
votes
1answer
1k views

Caching YouTube videos across loads

Is there a way to force the browser to cache loaded YouTube videos across page loads? In other words, if you refresh some video page in which the video already started loading (or is fully loaded), ...
1
vote
2answers
68 views

Does browser cache affect text content also?

From my observation browsers cache css and image files. If changes were made, you need to hit "force" refresh button if you want to see updated version. However I am not able to verify if browsers ...
4
votes
1answer
1k views

Does clearing the browser cache provide real security benefits?

A coworker's anti-virus suite (Avast) detected a virus in his browser's cache. Due to this, he has set his browser to clear the cache after each session. Is this a reasonable course of action? It ...
0
votes
1answer
4k views

What exactly does CTRL + F5 do? [duplicate]

Possible Duplicate: Ctrl+F5 vs Ctrl+R (On Browsers) What exactly does CTRL + F5? I have used for years to get fresh non-cache page. How does it work? Does it request makes a request to the ...
1
vote
0answers
214 views

Convert Cached CSS file to valid CSS

I have a cached file of css in my google chrome cache: visible in 'about:cache.' When I click on it, however, the file is a mix of binary and the css, not the original valid css file. How can I strip ...
6
votes
2answers
852 views

Do i really need to clear my browser cache after using a https site to protect the privacy of the pages i visited?

I've seen a number of online banking sites which, after logging out, have a message recommending that I clear my browser cache to ensure my private banking information remains secure. Is that really ...
1
vote
1answer
471 views

How do computers store webpages that you have visited?

How does a computer store webpages that you have visited so that upon examination of the harddrive at a later date, it is possible to re-visit those pages whether they are fragmented or complete and ...
1
vote
1answer
657 views

Utility to store/cache all web pages and YouTube videos

I found myself in the following situation. I'm travelling abroad with my laptop. I connect to a WiFi point and do a bit of browsing and play a YouTube video or two. Then I disconnect and hop on ...
1
vote
1answer
72 views

“Who” decides whether to use a webpage from cache or from the server?

When browsing to a website, "who" makes makes the choice of determining whether to pull a webpage from the local cache or from the server? Is it the browser? Web server? Webpage-specific coding? How ...
0
votes
1answer
42 views

Bizarre domain/host file/browser issues. A real chin-scratcher

I was working on a dev site yesterday (of which I have a modified host file to view) when all of the sudden Chrome stopped being able to load the site. Or the production site (no host file mods ...
1
vote
1answer
202 views

What happens to files when cache is cleared

Browser caches are just files, so clearing the cache of your browser is nothing more than deleting the files & skipping sending them to recycle bin first, correct? They would be completely ...
0
votes
2answers
726 views

What's wrong with my OS X web browsers?

My OS X Tiger machine's browsers often don't work. Usually the page just times out. If I clear the cache, then often it will work once, then fail again. Sites I view frequently usually fail to load ...
2
votes
3answers
145 views

Record browsing history

How can I record everything I browse so that, ideally, it might later enable me to re-surf the same pages without internet access ? For instance, if I go to http://www.example.com/example.html I would ...
0
votes
2answers
2k views

HTTP caching in safari — does it work?

It seems to me that Safari doesn't use cache at all :-( Max-age is set to at least one month, Cache-Control: is public, content is served over HTTPS. It seems that Safari doesn't use memory nor disk ...
14
votes
7answers
64k views

How can I force Safari to perform a full page reload, without using the mouse?

I'm using Safari to preview web pages as I develop them on my local server. I've got 'Disable Caches' checked in the Develop menu. And yet Safari is still working from a cached version of a stylesheet ...
2
votes
0answers
200 views

How is web form content encoded in Safari's cache?

A friend of mine just accidentally navigated off a web page where she entered a rather lengthy text into a web form. When navigating back to the page, the text was lost. (Spoiler: The page had an ...
1
vote
4answers
55k views

How to use offline mode in Safari

So, I'm kind of falling in love with Safari 4 (sorry, Firefox). However, I'm the type who likes my browser cache. Doing a little bit of Googling, it seems Safari does have an offline mode like ...
1
vote
0answers
503 views

Safari on Mac OS X Cache lasts after 'Empty Cache'

So, I broke a website with some server changes oops. I roll back the changes I made, hit cmd-R, and oh noes, it is still broken. But I relax thinking, there must be something held in safari's cache so ...
4
votes
1answer
3k views

Why does Safari retain login information after clearing cookies and history, even after full reset?

Safari appears to retain login information, site preferences, or cookies even after clearing history, cache, cookies, etc. I even tried Reset Safari..., which I understand should restore Safari to ...
2
votes
1answer
73 views

Do browsers take into account that network can be faster than disk cache?

One thing came to my mind. Nowadays the internet connection speed is often comparable to hard drive speeds. It means I can fully imagine there might be cases when it would be better (for a selfish web ...
0
votes
0answers
29 views

How much does browser cache/cookies impact a websites ability to load?

There's a large retailer here in the UK that can never handle the amount of traffic it gets every time there's a sale. They told me to delete my cookies and browser history, but I wanted to know how ...
6
votes
1answer
852 views

Is it possible to disable the cache in Firefox on a per-domain basis?

I'm finding that when deploying changes to a web server running on my local machine, even Ctrl+F5 doesn't always get an un-cached copy of the page. I'd really like to be able to turn off caching for ...
0
votes
2answers
5k views

How do I clear the JavaScript file cache in Firefox on every visit in a page?

How can I set the browser to clear the JavaScript file on every visit? I use Firefox 3.5.7. I am also using the Firebug extension for developing.
1
vote
1answer
375 views

Force a reload of a given URL in Firefox

For most URLs, the key combination of Ctrl+Shift+R works fine. But for redirects (example: a favicon.ico) it reloads the target URL instead of the one typed into the address bar, and for files that ...
1
vote
2answers
276 views

Firefox doesn't reload E-Bay pages unless I clear the cache

When I have tabs open watching items on E-bay, I have to manually clear the cache (I leave history, cookies, and logons unchecked) in order for the pages to reload. If I don't, the page reloads with ...
4
votes
1answer
159 views

How does firefox decide which cache to put a component in

If you type: about:cache into the firefox addressbar, you see some very interesting information about what is cached. Some files go into the memory cache and some into the disk cache. How does ...
4
votes
1answer
7k views

What is Firefox - Smart cache size?

There is an option in about:config (Firefox 4): browser.cache.disk.smart_size.enabled I have tried to enable and disable this option, nothing changes. The cache just grows, and grows. What's the ...
3
votes
2answers
655 views

Can I schedule cache cleaning in Firefox? Is there an extension?

Is there an extension for Firefox which I could use to schedule so that FF would clear the cache every x minutes or hours?
2
votes
2answers
117 views

cache can't be cleared for a specific site in Firefox

My firefox browser just can't clear out the cache of a specific site: http://www.foundationdrillandtool.com/, the site shows no menu in my Firefox but OK in other browsers and also OK for other users ...
1
vote
1answer
3k views

how to view FF image cache with thumbnail previews?

I'd like to browse through my Firefox cache to look for an image like I would a windows folder with thumbnails turned on. I found out about about:cache, but that gives me a list of keys and image ...
1
vote
1answer
282 views

Strange Unclearable Cache Issue with Gmail and Google Apps

I am having a strange issue with Gmail and Google Apps... have a look at this screenshot: http://cld.ly/f51ume notice the missing images for the rounded corners? Well this is not such a problem but ...
0
votes
1answer
81 views

Why firefox doesn't store any information?

I use firefox 5 on Windows 7. The thing is that firefox doesn't store any login information even though I set to store it. For example, when I use superuser, I have to login every time I visit the ...
3
votes
1answer
1k views

Set Firefox to NEVER use Cache?

Can I set Firefox to never use cache? This is for development, to be sure I am always looking at my latest work. (I might ask the same type of question for Eclipse/Tomcat too. Building a webapp with ...
4
votes
2answers
5k views

How does firefox cache DNS requests/replies?

I was wondering how, if it all, does firefox cache say, google.com to its respective IP?
1
vote
1answer
1k views

How to clear browser disk and memory caches from the Terminal in Mac OS X

I'm debugging an Adobe Flash application my team and I have developed. Each time we update the application SWF files, we need to clear the browser caches. We also need to delete AssetCaches and setup ...
1
vote
0answers
136 views

How/Where does Firefox 12.0 on Mac OS X store uri maps?

I have a site that started behaving strangely yesterday in Firefox 12.0. When clicking on a link /home/write-journal, the actual request is sent to a different URI /join. In Safari & Chrome this ...
3
votes
1answer
451 views

How can you tell when the browser is retrieving from a cache?

Is it possible to tell when a browser is retrieving a page from a cache? I've thought that opening a new tab and directly browsing to the URL would make a fresh pull request from the server, but ...
1
vote
1answer
2k views

Changing Flash player of Firefox cache

I want to relocate the Flash player plugin of Firefox cache so that it saves my C: drive space when I watch youtube videos. I successfully changed the firefox cache by opening about:config and then ...
0
votes
4answers
2k views

Firefox, saving all images from every page so that they are retrievable?

I'm having a bit of trouble finding a way to do this, I know that firefox saves images to a cache file but it is in a gzip archive file that I am unable to unzip (just gives error when I try, I'm ...
0
votes
1answer
93 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 ...
1
vote
1answer
275 views

Effects of turning off the browser cache

What are the effects of turning off the cache in a browser (for instance, using this method in Firefox): network.http.use-cache - false I'm building an application using PHP and it uses cookies and ...
2
votes
1answer
2k views

Auto save all visited pages in Firefox [closed]

I searched for this on Google, but I could not find it. So is there any add-on which automatically saves all the pages I visit in some cache, so that I can access them in offline mode also? I am ...
3
votes
3answers
2k views

Firefox: faster browser by moving cache to RAM…any downsides?

I read a DownloadSquad article, Speed up Firefox page loading time without using a RAM disk, that recommended an option for Mozilla Firefox that moves the cache to RAM. I could see why it would speed ...