The art of tuning a website to deliver it's content quickly and efficiently to the user over a potentially low bandwidth connection.

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0
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1answer
817 views

Parallel downloading of JavaScript files on page load

Below is a quote from one of the Yahoo performance pages: While a script is downloading, however, the browser won't start any other downloads, even on different hostnames. When I look at page ...
1
vote
1answer
881 views

HTML compressor/minifier

Currently I am using a system where HTML gets cached server-side before it's sent to the browser. I'm looking to compress the HTML source of my website before it is cached. Basically I'm looking for ...
0
votes
2answers
325 views

Hosting a small e-commerce website from home. Recomended? [duplicate]

Possible Duplicate: How to find web hosting that meets my requirements? I live in the UK and I current use JustHost to host several domains. I think they are very reasonable but recently ...
0
votes
1answer
667 views

check server speed / response time

I was reeled in by cheap, unlimited hosting. (Well, kind of cheap apart from having to buy a year upfront.) The moral of the story is it's awful. I'm trying to find a reason for them to let me leave ...
3
votes
3answers
4k views

Where to store large amounts of images for my site?

If i would want to deploy a site, like ebay, where people will be able to sell something, i would need to store large amounts of images, like many thausends of them and i would need to display about ...
4
votes
3answers
423 views

Webmaster tools site performance - reliable measurements

I am measuring a few sites and use both webmaster tools and analytics to track various aspects. One of the aspects I try to measure and track is performance. I am getting a much more reliable ...
0
votes
3answers
118 views

Have SQL reports on separate database than same database that is serving web app?

We use SQL reports in a .NET web application, but some of our reports are heavy and involve more table join and columns. As you know we cannot index all the involved columns (performance problem). ...
2
votes
2answers
752 views

Can I host a high traffic website at home?

I've been searching this up on google but I can't formulate my google search with the right terms to find an accurate answer to my question. Is it possible to have a super-fast connection at home to ...
3
votes
3answers
561 views

How to limit the FTP bandwidth for one user?

I have no experience in webmastering, so sorry if it is a simple question! I have a VPS and about 30GB files on it and I am trying to download them to my PC. So for transfering them I made an FTP. ...
6
votes
1answer
226 views

What percent of visitors should click on the next page before you enable prefetching?

Mozilla Firefox and Google Chrome support prefetching via an HTML tag: <!-- in chrome --> <link rel="prerender" href="http://example.org/index.html"> I suppose it is always worthwhile ...
2
votes
3answers
331 views

Measure server performance

I'm using a shared hosting for my website. How to find out if the performance of the server changes? I'm asking because my hosting company told me that some other site on the server is slowing down ...
0
votes
1answer
845 views

Long time to first byte for static content

I have large time to first byte for static content on IIS 7.5, it's not site specific it's slow for all sites on that server. Web.config setting runAllManagedModulesForAllRequests is set to false, and ...
0
votes
1answer
94 views

Website performance tips?

I'm kind of having some troubles with the loading of my website. It sometimes loads fast, then when you refresh it, most of the time, it will just keep trying to load images. It will keep doing that ...
7
votes
1answer
172 views

window.performance (Navigation Timing) - how to get this reported in “analytics way”

I have recently learned about window.performance that seems a great way to measure webapp performance using real client traffic. Is there any analytics service that is built on top of this and allows ...
1
vote
1answer
300 views

Does just-ping determine a website's accessibility and/or speed?

While looking for a webhost I wanted one that had good connectivity around the world, and ran their (shared hosting) test IPs on just-ping.com. This is a part of a sample result: München, Germany: ...
3
votes
2answers
2k views

why is my site slower with amazons cdn?

so I have move most of the static objects to amazons Cloudfront CDN example: http://images.storyfollower.com/images/cycleOfStories.jpg which through cname point to the cdn Now I just ran a speed ...
1
vote
0answers
34 views

SEO/performance - building blog article page [duplicate]

Possible Duplicate: What are the best ways to increase your site's position in Google? I've been using WP up and until now, but want to spread my wings and build a bespoke blog for my ...
11
votes
4answers
5k views

How can I measure website page load times from different countries?

Recently, I migrated one of my personal projects into cloud and hosted the app on UK based servers. I reside in Turkey and I would like to see how long it takes for my pages to load for UK based ...
6
votes
2answers
3k views

How To Move From WordPress To GitHub Pages?

I'm considering moving my blog, Dream In Tech, which is WordPress CMS running on my Rackspace Cloud Server, to GitHub Pages because I'm starting to have performance issues, but how to move the posts, ...
5
votes
1answer
791 views

Page Speed Online vs Chrome Extension

In optimizing a content blog of mine with the goal of achieving the highest page speed score possible for obvious reasons (user experience, SEO, etc..), the results I'm obtaining are throwing me for a ...
2
votes
5answers
151 views

What's the best web site performance tool for end-users?

When I receive reports that my website is running slowly, I would like to be able to point the end-users to a performance/profiling tool that is easy to use and that has a feature where the end-users' ...
4
votes
2answers
204 views

Google Webmaster Tools - Why site performance graph goes up and down, even if the site has never changed?

This is my site 7 months graph from Google Webmaster Tools site performance util. As you can see the graph goes up and down, with big differences: less than 1 second up to 5 sec. Since I never ...
0
votes
1answer
736 views

Slow DNS lookup on my site?

I'm testing the loading speeds of my website. I've just done a test using Pingdom but it returns some strange (at least to me) results: By the looks of it getting the DNS info takes the most time. ...
1
vote
1answer
423 views

What could be preventing Google Chrome developer tools' audit from completing?

I'm trying to run Chrome developer tools' audit on http://www.zmxmusic.com, and it never completes... just gets up to about "Loading (61 of 61)" with the spinner but never shows the results. If I ...
4
votes
1answer
2k views

What sense can be made out of TIME_WAIT, CLOSE_WAIT, ESTABLISHED

Using netstat command, I got the number of couple of TCP states of connections. But for running websites, how to make meaningful connections between these numbers and the bottleneck/performance of ...
1
vote
1answer
1k views

How to find the Fastest DNS servers to host our domain?

The question was born because lately we've seen a pretty odd (well, at least for us, for the first time) - error message in Google webmaster tools - "DNS lookup timeout" ... I was pretty sure that ...
0
votes
1answer
583 views

Fastest open-source e-commerce featured CMS or web-framework?

I have been researching about 20 different open-source e-commerce featured CMSs and web-frameworks, but there seem to be way more than just them available. Has anyone run some benchmarks against a ...
2
votes
2answers
563 views

What latency do you expect when serving static files?

I'm running some latency measurements using Web Page Speed Test on a static javascript file. I compared hosting the file at four locations: Host Monster, Amazon S3, Amazon Cloudfront, and Heroku ...
0
votes
1answer
151 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 ...
2
votes
1answer
1k views

Everything needed to run a high-traffic web site

I'm an experienced front-end web developer, while my back-end experience has occurred only within the context of Drupal. Basically, the deeper things go into the back end, the more inexperienced I am. ...
7
votes
4answers
303 views

When is it time to move on from WordPress?

My company's blog it closing in on 30,000 posts and get around 1,000,000 visits a month. Things seem slow even though we have a good server. At what point to you move on from WordPress or does it not ...
0
votes
1answer
68 views

How to log the ASP pages requested during a particular time span?

I have a web application build in ASP and is hosted on IIS7 windows server 2008. Each day CPU level increases and the application stops responding (ASP pages don't load for ever, however an HTML page ...
6
votes
2answers
660 views

CDN solutions pros and cons

As the sysadmin in our organization I've been asked to look into CDN solutions as we have plans to roll out a web platform that is targeted at developing countries. Here is my research so far on the ...
2
votes
1answer
221 views

Set expiry date for image or resource

How do I set expiry date for an image? Is this a server side operation or can it be done as an html tag attribute? What if I only want to set different expiry dates for different images/resources?
7
votes
2answers
3k views

is it true that CloudFlare really doesn't affect dynamic content?

I've been reading the CloudFlare FAQ, I understand that is acts as a reverse proxy and all requests to your domain will go through CloudFlare. They say in the FAQ that it won't slow down dynamic ...
1
vote
1answer
55 views

Choose from client best server to download from

My web site has a download of a file of about 10Mb. I can have it stored in more than one server and was thinking of a way to offer the download to the best performing server (performance measured ...
4
votes
2answers
229 views

Adding Google +1 Button Slows Page Load Time

This article says Google +1 tags can add a second to page load time, which means a 10% decline in visitors. The article authors say they use smart tag loading to reduce page load time. Does anyone ...
11
votes
1answer
469 views

When and when not to use a CDN

I'm working on a web-application that loads a couple of small gif images onto the screen. I'm using a relative path, which means they are loaded from the same web server that serves the php page. The ...
24
votes
1answer
3k views

How exactly is Google Webmaster Tools measuring “Site Performance”?

I've been working for two months now on improving our response time (mainly server side) on a new forum (a brand new product on a technical point of view) we've launched in Germany a few month ago and ...
4
votes
2answers
3k views

How does server connection speed affect website performance?

A web host I'm considering quotes their server connection speed for their basic package as '15Mb/s burstable.' They offer an upgrade to a more expensive package with a '35Mb/s burstable' speed. I ...
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 ...
10
votes
1answer
837 views

Is there a maximum size that web pages should be kept under?

Posted this on SO before Ben Voigt was nice enough to direct me here. Anywho, here is my question: When I say size I'm talking about bytes not pixels. I'm curious if there is any consensus on what ...
5
votes
2answers
794 views

How is this site so fast?

how is the website http://dftba.com/ so fast? when i click a link it loads right then? what makes it work like this? how do i make it work like this on my site? some of the objects on the site are ...
3
votes
3answers
143 views

Google webmaster tools Site Performance says site is faster but shows it slow in the graph

Looking into Google webmaster tools it happened to me many times to see for some of my sites these type of inconsistency, in the text they say my site is faster than 63% of sites, but when I look at ...
1
vote
1answer
101 views

testing random pages for uptime (part of an SLA)

We have outsourced hosting of a large website. We have an SLA for response times of random pages. I.e. every minute a random page will be chosen from a pool of 30,000 pages and its response time ...
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 ...
3
votes
2answers
996 views

One JS/CSS bundle Vs. One with default and one with custom

On a few of my sites, we use Javascript/CSS bundles to reduce load time. I've always used two bundles for each type (4 in total) so I have JS Bundle 1: Contains scripts that are standard on every ...
5
votes
2answers
173 views

Do heavy graphics and/or a high load time affect a site's search rankings?

Does the use of heavy graphics/images (with img tag or in the CSS) effect a site's Google ranking? Sometimes sites are heavy because of the images used or Flash or lots of JavaScript - making the ...
4
votes
2answers
547 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 ...