Author Topic: Does script shield slow down browsing?  (Read 11195 times)

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Alievitan

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Does script shield slow down browsing?
« on: September 08, 2011, 01:04:41 PM »
I just noticed that there was a new Avast update, and now Firefox is supported by script shield.  My question is does Script Shield have a significant performance overhead?  I was wondering Avast script shield stats is numbering in the thousands of numbers of script it scanning and increasing?  That a lot of real time scanning so I am wary that it is affecting performance on my low powered netbook. 

Offline DavidR

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Re: Does script shield slow down browsing?
« Reply #1 on: September 08, 2011, 01:16:20 PM »
I certainly don't notice it.
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Offline Asyn

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Re: Does script shield slow down browsing?
« Reply #2 on: September 08, 2011, 01:50:38 PM »
I certainly don't notice it.

Others stated (including Vlk) that it can depend on the visited site.
Can't check it, as the SS isn't working here. ;)
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Offline DavidR

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Re: Does script shield slow down browsing?
« Reply #3 on: September 08, 2011, 02:00:15 PM »
Lucky I guess SS works for me and in my day to day browsing I don't notice any real drag and I certainly don't monitor adverse cpu activity, but what I see in front of my eyes whilst browsing.

I don't visit many media heavy sites though and I also have firefox with NoScript, so that would stop some javascript being activated in the first place ;D
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Offline Asyn

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Re: Does script shield slow down browsing?
« Reply #4 on: September 08, 2011, 02:15:46 PM »
I don't visit many media heavy sites though and I also have firefox with NoScript, so that would stop some javascript being activated in the first place ;D

As you, I'm also on NS, therefore I have no problwm, if the SS doesn't work.
Further, NS doesn't slow the system down. ;)

PS: I might start a topic out of interest, though - let's see.
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Offline RejZoR

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Re: Does script shield slow down browsing?
« Reply #5 on: September 08, 2011, 02:36:34 PM »
It depends on how script heavy is the page.
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Alievitan

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Re: Does script shield slow down browsing?
« Reply #6 on: September 09, 2011, 12:20:55 AM »
It depends on how script heavy is the page.

Can you provide me with an example so I can check? Or the prior forum post on the subject, b/c I couldn't find them via the forum search. 

Also for those mentioning noscript, just my humble opinion, I never liked NS b/c it was whitelist/lockdown based and required constant user interaction.   

Dch48

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Re: Does script shield slow down browsing?
« Reply #7 on: September 09, 2011, 01:14:13 AM »
It also depends on the browser you're using. It doesn't slow Chrome down at all because it doesn't work there. ;) I haven't noticed it slowing down IE9 on Win 7 64 bit though and it does work in that scenario.

Sparxx

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Re: Does script shield slow down browsing?
« Reply #8 on: September 09, 2011, 04:50:30 PM »
I'm also using IE9 and script shield isn't slowing it down.

Offline mbd35

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Re: Does script shield slow down browsing?
« Reply #9 on: September 11, 2011, 02:54:53 AM »
It shouldn't cause any more slowdown than the Web Shield, right?

ady4um

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Re: Does script shield slow down browsing?
« Reply #10 on: September 11, 2011, 09:43:47 AM »
It depends on how script heavy is the page.

Can you provide me with an example so I can check? Or the prior forum post on the subject, b/c I couldn't find them via the forum search. 

Here it is, the quote of Vlk, the forum's moderator:

Script shield slows web page loading in IE9. I uninstalled the script shield and all is well again.
Absolutly no problem with slow page loading in IE9 on my Windows 7 system.  :)

Running fine on both of my systems.  ;D

It really depends on the actual page. Some pages are very JavaScript-intensive, and there may indeed be some slowdown there...

Thanks
Vlk

HerkyFishbine

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Re: Does script shield slow down browsing?
« Reply #11 on: September 11, 2011, 11:34:50 PM »
I just updated to 6.0.1289 and Firefox (3.6.22 on Windows XP) has become very, very slow.

Browser becomes unresponsive, I can see the Avast icon spinning. When it stops, the browser becomes responsive again, but this has been consistently 30 to 40 seconds and very frequent.

No problems before the update and no problems with Internet Explorer.

Nesivos

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Re: Does script shield slow down browsing?
« Reply #12 on: September 12, 2011, 12:38:00 AM »

Nesivos

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Re: Does script shield slow down browsing?
« Reply #13 on: September 12, 2011, 12:43:31 AM »
I just updated to 6.0.1289 and Firefox (3.6.22 on Windows XP) has become very, very slow.

Browser becomes unresponsive, I can see the Avast icon spinning. When it stops, the browser becomes responsive again, but this has been consistently 30 to 40 seconds and very frequent.

No problems before the update and no problems with Internet Explorer.

My advice get rid of Firefox 6.x and replace it with Firefox 7.0 Beta 5 (the latest 7.0 beta).  My experience with 6.x was that it was not a very good release.  I am using 7.0 Beta 5 and IMO it is a lot better than 6.x.  Just saying :)

P.S. IMO 7.x is the best and fastest Firefox yet.   Also does a lot better in minimizing memory leaks which has been a long time problem with Firefox.

ady4um

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Re: Does script shield slow down browsing?
« Reply #14 on: September 12, 2011, 01:03:28 AM »
I just updated to 6.0.1289 and Firefox (3.6.22 on Windows XP) has become very, very slow.

No problems before the update and no problems with Internet Explorer.

My advice get rid of Firefox 6.x

FF 3.6.22 is not the same as FF 6.x. Script shield is not working with FF 3.6.22, according to Asyn's report.