Web pages not updating. Tell me more about cache.



Web pages not updating

Web pages not updating

For instance, I went to MLB. Certain pieces of info on the website are current and sometimes clicking a link will bring up current info, but most is old. I clear the browser, delete history, cookies, etc. The only thing that solves the problem is running defrag, but only temporarily, as soon the issue will reoccur. It only seems to happen on one of my 3 computers. The fact that defragging has an impact is completely mysterious.

Let's look at what happens under the hood, what steps we would normally take to clear it up, and then make some guesses as to what else you might try.

The classic example is the image that is the logo at the top of every page of Ask Leo!. Your browser will download it once and then keep it in the cache so that on each page that uses the exact same logo the browser doesn't need to download it again, it can simply use what's in the cache. That way even for information that changes you always see the most current. The problem you're experiencing happens when the cache goes "wonky".

Gotta love those not-so-technical terms. In essence, that check for "is there something newer than what I have in my cache" fails, or the attempt to download and replace what's in the cache fails. Then you'll see what you're seeing: In your case, it's particularly noticeable since you're expecting the information to change, and in fact know that it has, and yet the web page doesn't update. The top two solutions are actually pretty simple: The F5 key, or refresh, tells the browser to reload the entire page, which causes it to once again check the items in the cache for any updates.

It's possible that it also ignores the cache, and simply re-downloads anyway. Depending on your browser, clearing the cache often does more than simply deleting the files. Most caches have some sort of indexing system to speed up access to the files within it. Occasionally, it's not the files that are at fault, but the index itself that has become corrupt. Clearing the cache also resets this index as well. When those don't work things definitely get more mystifying. I'll throw out a few ideas, in no particular order.

Consider turning off any browser-specific options in your anti-spyware or anti-virus software to see if things change. Particularly if this system uses different tools than the ones that appear to work properly. I mentioned above that defrag having an impact is really odd, but it does lead me to this suggestion: It's possible that there's a problem with the storage of files on disk that's preventing the cache from working properly.

In most cases, you're probably running a single "C: Cannot lock current drive. Chkdsk cannot run because the volume is in use by another process. Would you like to schedule this volume to be checked the next time the system restarts?

For the record, things like cookies, history and the like should have no impact in the symptoms you're experiencing. This is all about the browser's cache, and its working properly, or improperly. Notenboom has been playing with computers since he was required to take a programming class in An 18 year career as a programmer at Microsoft soon followed. After "retiring" in , Leo started Ask Leo!

Not what you needed? You may also be interested in: What's a browser cache, how do I "clear" it, and why would I want to? We'll look at why, and how. There are times when the disk checking utility needs to run before you boot into Windows. Sometimes it seems to get stuck and does so every time.

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Web pages not updating

For instance, I went to MLB. Certain pieces of info on the website are current and sometimes clicking a link will bring up current info, but most is old. I clear the browser, delete history, cookies, etc.

The only thing that solves the problem is running defrag, but only temporarily, as soon the issue will reoccur. It only seems to happen on one of my 3 computers. The fact that defragging has an impact is completely mysterious.

Let's look at what happens under the hood, what steps we would normally take to clear it up, and then make some guesses as to what else you might try. The classic example is the image that is the logo at the top of every page of Ask Leo!. Your browser will download it once and then keep it in the cache so that on each page that uses the exact same logo the browser doesn't need to download it again, it can simply use what's in the cache.

That way even for information that changes you always see the most current. The problem you're experiencing happens when the cache goes "wonky". Gotta love those not-so-technical terms. In essence, that check for "is there something newer than what I have in my cache" fails, or the attempt to download and replace what's in the cache fails. Then you'll see what you're seeing: In your case, it's particularly noticeable since you're expecting the information to change, and in fact know that it has, and yet the web page doesn't update.

The top two solutions are actually pretty simple: The F5 key, or refresh, tells the browser to reload the entire page, which causes it to once again check the items in the cache for any updates.

It's possible that it also ignores the cache, and simply re-downloads anyway. Depending on your browser, clearing the cache often does more than simply deleting the files. Most caches have some sort of indexing system to speed up access to the files within it.

Occasionally, it's not the files that are at fault, but the index itself that has become corrupt. Clearing the cache also resets this index as well.

When those don't work things definitely get more mystifying. I'll throw out a few ideas, in no particular order. Consider turning off any browser-specific options in your anti-spyware or anti-virus software to see if things change.

Particularly if this system uses different tools than the ones that appear to work properly. I mentioned above that defrag having an impact is really odd, but it does lead me to this suggestion: It's possible that there's a problem with the storage of files on disk that's preventing the cache from working properly.

In most cases, you're probably running a single "C: Cannot lock current drive. Chkdsk cannot run because the volume is in use by another process. Would you like to schedule this volume to be checked the next time the system restarts? For the record, things like cookies, history and the like should have no impact in the symptoms you're experiencing. This is all about the browser's cache, and its working properly, or improperly.

Notenboom has been playing with computers since he was required to take a programming class in An 18 year career as a programmer at Microsoft soon followed. After "retiring" in , Leo started Ask Leo! Not what you needed? You may also be interested in: What's a browser cache, how do I "clear" it, and why would I want to? We'll look at why, and how. There are times when the disk checking utility needs to run before you boot into Windows. Sometimes it seems to get stuck and does so every time.

Web pages not updating

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2 Comments

  1. It only seems to happen on one of my 3 computers. After "retiring" in , Leo started Ask Leo! We'll look at why, and how.

  2. It only seems to happen on one of my 3 computers. In essence, that check for "is there something newer than what I have in my cache" fails, or the attempt to download and replace what's in the cache fails. Gotta love those not-so-technical terms.

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