Why is my WP site so slow???

Hi all, hoping someone here can help me out. My WP site is slow. Right now it's tolerable, but during normal working hours it's basically unusable. The host -- Network Solutions -- tells me there is nothing they can do on their end. Is it because my site files are all stored in a sub-directory? I had to do this because of the original setup of the site which I inherited (I followed the instructions from here: http://jay-lopez.com/how-to-install-wordpress-on-a-sub-directory-or-sub-domain). Here's my URL

http://www.allisoncheston.com/

All of the files are actually in the
http://www.allisoncheston.com/blog directory
tekgrlAsked:
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Jason C. LevineNo oneCommented:
Not if you just disable them.  Disable, not delete :)
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Jason C. LevineNo oneCommented:
Hi tekgrl,

It might be a combination of the hosting and the all the .htaccess rewrites that have to happen due to your using a subdirectory.  It could be other stuff, too, so I wouldn't focus on that yet.

What plugins are you running?

Are you using a caching plugin?

Are you on shared hosting with with NS or VPS or ?
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tekgrlAuthor Commented:
I don't think it's my plugins (I have several) but they haven't caused a slowdown on my dev site which is hosted somewhere else.

I have both an image cache and a widget cache plugin.

It is shared host on NS.
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Jason C. LevineNo oneCommented:
>> I have both an image cache and a widget cache plugin.

Try disabling those and replacing them with WP Super Cache and see if it improves.  I kind of doubt it will, though

>> It is shared host on NS.

Ok.  When I look at the site with Firebug, the single longest element is waiting for the server to respond with the page and that points us squarely to hosting and/or .htaccess rewrites.  There isn't a whole lot you can do if the ISP provides slow database access on a shared server with thousands of other sites and the rewrite problem is what it is given your layout.  

>> but they haven't caused a slowdown on my dev site which is hosted somewhere else.

Yeah, but plugins are susceptible to environment changes, especially plugins that hit a database.  About the only thing I can think of would be to disable all of your plugins and retest.  If the site speed improves with all plugins gone, then you have a bad plugin and we enable things one at time to find the problem child.  If nothing changes with all plugins disabled then we know it's the URL rewriting.
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tekgrlAuthor Commented:
When I disable all my plugins, will I lose all my settings?
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tekgrlAuthor Commented:
Thanks, you have been very helpful!
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Jason C. LevineNo oneCommented:
Was it a plugin?
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tekgrlAuthor Commented:
I don't know yet. I'm going to try disabling all the plugins tomorrow... Didn't want to leave you hanging though. Thanks again.
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jeremyjared74Commented:
@jason1178

Hi Jason, I'm just curious if you've used both WP Super Cache and W3 Total Cache. If so, why did you choose Super Cache? I use Total Cache for most my sites, but if you have tried both and prefer Super Cache I a  will give it a go.

I believe that the cache plug-in should definitely give a noticeable improvement. It is great for caching JavaScript and CSS. JavaScript being the most important of the two. If you decide to use the Total Cache or Super Cache make sure to only cache the Linked files. Caching the embedded JS and CSS can have undesirable effects.

Disabling the plug-ins should make a difference as most use additional JavaScript which will always slow down a site. The good news is you can also cache the JS from the plug-ins. If they use embedded JS, you might consider adding the code to an external JS file and caching it also.
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Jason C. LevineNo oneCommented:
Ah.  It's okay to leave me hanging if it improves the answer in the database (I don't need more points).  If my suggestions don't fix it, post back and we'll unaccept this and keep trying.
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Jason C. LevineNo oneCommented:
Hi Jason, I'm just curious if you've used both WP Super Cache and W3 Total Cache. If so, why did you choose Super Cache? I use Total Cache for most my sites, but if you have tried both and prefer Super Cache I a  will give it a go.

I have used both and, frankly, can't see much of a difference between them.  Super Cache always springs to mind first because it comes bundled with the WordPress installs from my ISP.

>> I believe that the cache plug-in should definitely give a noticeable improvement.

It should do SOMETHING.  But I think this really is a mod_rewrite issue.
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