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| Discuss what's fucking going on, and which programs are best and worst. One-time "program" announcements from "established" webmasters are allowed. |
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10-02-2016, 10:21 PM
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#1 |
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Confirmed User
Industry Role:
Join Date: May 2002
Location: Malaysia
Posts: 3,376
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Is GZIP Compression Always Desirable?
I'm wondering if there is any unintended downside to GZIP Compression? Some people seem to think that there is almost ZERO downside to using this as a method for speeding up your website loading time.
The reason I ask is because our sign ups from our site averaged 30/day. When we enabled GZIP (through mod_deflate on Apache server) they averaged 22/day, even though our website is loading perceptibly faster. My suspicion is that this may have affected mobile users although I am unable to confirm this. Is there anything that could have happened or was unintended? Any views appreciated......
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"In a Time of Universal Deceit, Telling the Truth is a Revolutionary Act." - George Orwell |
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10-02-2016, 10:35 PM
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#2 |
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Too lazy to set a custom title
Join Date: Mar 2002
Location: Australia
Posts: 17,393
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gzip/deflate support is signalled via a header that the browser sends, so it should be backward compatible - your server will send plain text if it doesn't see an Accept-Encoding header.
Is there any way to record the user agent of new signups? That may help you show whether there's an issue with a particular buggy browser, or something wrong with your server. Could also just be natural random variance. |
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10-03-2016, 12:00 AM
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#3 |
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Confirmed User
Industry Role:
Join Date: Aug 2015
Posts: 1,018
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Totally random but I have disabled it on my sites after finding that the CPU time it takes to gzip everything is more expensive (and slower) than the extra bandwidth if I don't gzip
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10-03-2016, 12:58 AM
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#4 |
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Registered User
Industry Role:
Join Date: Sep 2016
Posts: 24
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As rowan says, enabling gzip compression shouldn't have affected any of your users. If a browser doesn't support compression it will simply not request it from the server, in which case the site loads just as it did before.
Lower page-load times can boost a site's ranking in Google search results, so if you're concerned about SEO at all I'd leave compression enabled. I bet what you're seeing is just a natural fluctuation in traffic. |
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10-03-2016, 03:35 AM
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#5 |
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Confirmed User
Industry Role:
Join Date: May 2002
Location: Malaysia
Posts: 3,376
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Thanks for the well considered feedback guys..... I will leave GZIP enabled.
__________________
"In a Time of Universal Deceit, Telling the Truth is a Revolutionary Act." - George Orwell |
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10-03-2016, 03:48 AM
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#6 |
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Confirmed User
Industry Role:
Join Date: Jan 2012
Posts: 281
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If your worries are just about the signup page, I'm pretty sure you can exclude gzip compression for just the signup page.
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