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WebPagetest Forums - What is easy to do to improve speed from test result?

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Full Version: What is easy to do to improve speed from test result?
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thanks again for all your support Smile
Hi again Smile
I ran the test again & got results that 'keep alive' not working aswell as before even tho initial load time is much better this is the new one:

& this is the old one with 100% keep alive

What is 'Keep Alive'? & what would cause the difference in results?

Would there be plugins or content that would interfere?

I also had a question about CDN and saw you mentioned on a different post about creating a static CDN folder - how do I identify what static files are? I cant afford to use a CDN company now but this is a screen shot of the plugin I use for optimization & they give an option for self-hosting in the CDN: What do they mean by self hosting? Are they providing CDN or do I need to use a CDN company?

Im sorry if Im bombarding with questions - I feel the more I learn the more I get confused...

If you can help thanx so much!

W3 Total Cache by W3 EDGE ®
Content Delivery Network support via self-hosted / file transfer protocol upload is currently disabled.

Prepare the CDN by: then . Check if some objects appear to be missing. if the domain name of your site has ever changed.

Host wp-includes/ files
If checked, WordPress static core file types specified in the "wp-includes file types to upload" field below will be hosted with the CDN.
Host theme files
If checked, all theme file types specified in the "theme file types to upload" field below will be hosted with the CDN.
Host minified CSS and JS files
If checked, minified CSS and JS files will be hosted with the CDN.
Host custom files
If checked, any file names or paths specified in the "custom file list" field below will be hosted with the CDN.
Force over-writing of existing files
If modified files are not always detected and replaced, use this option to over-write them.
Import external media library attachments
Download attachments hosted elsewhere into your media library and deliver them via CDN.

Use passive FTP mode
Enable this option only if there are connectivity issues, otherwise it's not recommended.
FTP hostname:
Specify the server's address, e.g.: "". Try "" if using a sub-domain on the same server as your site.
FTP username:
FTP password:
FTP path:
Specify the directory where files must be uploaded to be accessible in a web browser (the document root).
Replace site's hostname with:

Enter the hostname or CNAME(s) of your FTP server configured above, these values will replace your site's hostname in the HTML.

Enable changed files auto-upload Auto upload interval: seconds
Automatically attempt to find and upload changed files.
Re-transfer cycle limit:
Number of files processed per upload attempt.
wp-includes file types to upload:
Specify the file types within the WordPress core to host with the CDN.
Theme file types to upload:
Specify the file types in the active theme to host with the CDN.
File types to import:
Automatically import files hosted with 3rd parties of these types (if used in your posts / pages) to your media library.
Custom file list:
Specify any files outside of theme or other common directories to host with the CDN.
Rejected user agents:
Specify user agents that should not access files hosted with the CDN.
Rejected files:
Specify the path of files that should not use the CDN.

If using Amazon Web Services or Self-Hosted CDN types, enable HTTP compression in the "Media & Other Files" section on Browser Cache Settings tab.
For keep-alive you should check with your hosting company to see if they changed anything or turned it off. It looks like the main difference on why the one is faster even with keep-alive's disabled is the back-end response time problem was fixed (and was responsible for a good 15-20 seconds).

As far as self-hosting, I expect they are talking about using a "Pull" CDN where the CDN will automatically request the files as needed directly from your web server. Otherwise you need to upload the files to their server which is why you need ftp credentials, etc (Pull is much easier to configure).

I would make sure to get everything else fixed before enabling a CDN (particularly keep-alives, gzip, long expires and file merging). A CDN could be used to solve the keep-alives and gzip compression if your hosting provider can't but it is best to get it all fixed on the server first and THEN use a CDN for the last bit of speed.

As far as costs go, MaxCDN is $40 for the first year ($99 after that) for 1TB (and they are offering a discount in the vendor discount forum) so the barrier to entry is pretty low but you do have a LOT of progress that you can make first before needing a CDN.

thanx again Smile
I know pagespeed & co very well but the best trick i ever find is to set images as <img src="data:image/gif;base64 ... directly in the html and css.
Because not all browsers accpeted data:image i have find out the browsers are working or not working so i serve the browsers with this condition automatically as data:image or as normal img tag.

The Result: or live

Pagespeed 100 Yslow 100
If you wanted to get fancy you could also use MHTML for the IE browsers that don't support data URI's (though it may not be worth the effort).

Awesome work, that is crazy-fast and about as fast as things can get with the last-mile latency being the biggest contributor.
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