Page-Speed normally refers to the time it takes for a web-page to be presented to a browser in a "fully loaded" state.

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5
votes
3answers
663 views

Best practices when loading images for improving page loading speed

I am working on optimizing a page's loading speed. Here are some analytics: Notice how the images, although only accounting for 65% of the total size (1.1MB), are by far the slowest loading ...
11
votes
3answers
7k views

How can I replicate Google Page Speed's lossless image compression as part of my workflow?

I love that Google's Page Speed is able to losslessly compress a lot of my images, but I'd love to make it part of my workflow, prior to uploading a site and making it live. Is there anything I can ...
3
votes
1answer
740 views

Page Speed Optimization Questions: defer parsing and specifying a char set?

Continuing to optimized a web site, I'm using Chrome's Dev Tool add-on for Page Speed. I've been able to do a good bit of performance tuning thanks to its suggestions, but these two have me ...
1
vote
2answers
91 views

Tool to analyze page loads

I have this CI app that shows an interminable loading process. I want to know what chunk of the page is causing this. Now I am using Firebug with Google PageSpeed and YSlow. Is there something more ...
3
votes
2answers
154 views

Does url length have any impact on page load speed?

Our site has been doing fairly well in terms of load speed and so I don't want this to bring that down as a slower page load speed impacts SEO visits.
0
votes
1answer
147 views

Question about web hosting speed

I started using a VPS with HostGator not long ago, they have 9 levels of VPS and I started out with level 3. I'm testing a page on the website and it doesn't take too long to load, something like 2 ...
5
votes
2answers
405 views

Is it normal to have some huge anomolies in Google Analytics site speed tracking?

I've recently started using the new _trackPageLoadTime function in Google Analytics to measure page load times. However, I have noticed a few pages appear with a huge "Average Load Time". One page is ...
2
votes
1answer
200 views

Two URL CDNs are better than one for SEO and Speed?

For example, my URL is: www.site.com For SEO, PageSpeed and Server Tweaking for ultimate performance, and speed, my code places static files like JavaScript, CSS and Images on my CDN: ...
1
vote
1answer
301 views

effect of page speed on ad revenue

I'm thinking of slowing my pageloads a bit, and want to know how much ad revenue will decrease due to the slowness. For ads on a revenue-per-impression (CPM) basis, I have to worry about decreased ...
1
vote
1answer
278 views

How to check VPS is performing optimally?

Like for measuring Load time of a website we have Pingdom tools, do we have something similar to measure if the VPS I currently have is good or not. I'm looking for some kind of metrics, because I ...
11
votes
1answer
628 views

How is github so fast?

When you browse repositories on github ( for example https://github.com/mojombo/jekyll/tree/master/bin) it feels like it uses ajax and does not reload the whole page every time. However the url really ...
2
votes
2answers
330 views

Do Google/Twitter etc actually use distributed servers to serve their resources?

I'm trying to optimize my website and running a few tests using webpagetest.org. I tried the test from Singapore and Hongkong. I saw that while all facebook, quantcast, chitika scripts were loading ...
11
votes
1answer
16k views

Character set not specified in HTTP headers error

When testing this page with Page Speed, I get the a Specify a character set error: The following resources have no character set specified in their HTTP headers. Specifying a character set in HTTP ...
0
votes
1answer
1k views

Leverage browser caching and Specify a cache validator?

http://gtmetrix.com/reports/enji.se/RVzr15zT That's what my result looks like! Does anyone know how to fix Leverage browser caching and Specify a cache validator? I've googled it but didn't find ...
1
vote
3answers
470 views

What is the impact of a CMS on page load time versus a static site?

I am creating a 20-page site that will go on shared hosting. Each page will be about 20 KB (including HTML, CSS, and images common to all pages). To avoid manually adding navigation elements to each ...
0
votes
2answers
208 views

Using Efficient CSS Selectors Page Speed 1.11

The new PageSpeed 1.11 does not suggest anything for using efficient CSS selectors. Does that mean that it does not affect the speed of my site. In PageSpeed 1.9, I scored and F (0) for not using ...
3
votes
2answers
7k views

Slow website response? How can I fix this issue?

I have pingdom monitor on my website: http://stats.pingdom.com/t68xhgex256f/375513 For North America (big target market) the response time is 1-2 seconds. This is far too slow. Is there anything ...
6
votes
2answers
4k views

Cache external static scripts?

In my never ending quest for a faster website, I thought perhaps I could cache some scripts. I'm using Yslow to rate my site, everything is pretty much A (which is great, our website on Pingdom loads ...
5
votes
1answer
121 views

Does Google include the time to load images, for a single page, as part of the page speed?

we all know that Google's affects your page rank with the load time of a page. How? That's part of the secret sauce. But we know that page speed is a serious factor. So -> what is considered the ...
16
votes
2answers
1k views

Ideas to improve website loading speed?

Are there any ways in which I can improve the loading speed of a website? I know that Google is really pushing loading speeds and with the popularity of mobile websites it's now imperative that sites ...
4
votes
2answers
520 views

Actual page load time vs. perceived one

You know how all around the web, people are pushing for smaller and smaller page load times ? They do so with good reason, especially with Google now factoring it in in their way to rank pages. It's ...
3
votes
2answers
356 views

Page Speed no longer working for Firefox 4?

Hey there, I love Google's little Page Speed tool, I've seen some wonderful speed advances on sites I've worked on because of it, but since I've upgraded to FF4 it doesn't seem to be in Firebug ...
3
votes
1answer
59 views

Statistics about development of average connection speed and latency over the years

Are there any statistics about the development of average internet connection speed and request latency from households to major sites over the years? I find this information very useful for ajax ...
2
votes
4answers
3k views

Page loading problem. Page is very slow

Regarding the domain http://www.pravninasvet.com, there is a problem where it sometimes loads fast, sometimes very slow. The domain is registered by godaddy, the server is in Germany. But when the ...
2
votes
3answers
883 views

Serving images from different domain

Google audit: Serve static content from a cookieless domain (15) 2.65KB of cookies were sent with the following static resources. Serve these static resources from a domain that does not ...
0
votes
1answer
249 views

Wordpress Blog Is Very Slow

A few days, my website (http://www.teknoblogo.com) isn't scrolling easily (You can try scrolling) . Website very very slow. I'm using W3 Total Cache. Disabled all unnecessary plugins. But still ...
5
votes
3answers
769 views

What guidelines should be followed when implementing third-party tracking pixels?

Background I work on a website that gets a fair amount of traffic, and as such, we have implemented different tracking pixels and techniques across the site for various specific reasons. Because ...
19
votes
4answers
43k views

How do I set expiration headers for CSS, JS, and Images?

I have recently analysed my website with pagespeed addon on firebug. It suggested me to set expiration on CSS, JS and image files. I am wondering how do i do this?
8
votes
2answers
3k views

When to use and not to use ETags

I was just looking at our site on WebPageTest.org and one of their recommendations for speeding up a website is: ETag headers should generally not be used unless you have an explicit reason to ...
9
votes
6answers
5k views

Is it possible to use asynchronous google adsense, i.e. non-blocking?

I know that there is a Asynchronous method of using Google Analytics but is there something similar for adsense? I can't find one from my current searches - I was wondering whether there is a common ...
4
votes
1answer
1k views

How to fix “Leverage browser caching” error from Page Speed plugin

I'm using the Page Speed Firebug plug-in to check my sites. But I don't know how to fix the "Leverage browser caching" error, since I don't know you specify a cache lifetime to the browser in images ...
11
votes
5answers
285 views

Should JavaScript referenced in the head section be served from the same hostname as the main document?

I was under the impression that for the best performance, Javascript should be treated as static content and served from a cookieless domain along with CSS files, images, etc. But Google says here: ...
55
votes
9answers
25k views

How can I simulate a slow connection for page load?

I have a fast server, and a reasonably fast home Internet connection. How can I simulate my page loading on a slow connection?