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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4
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2answers
173 views

Page speed affecting ranking in practice

Articles like this one discuss Google possibly taking speed into account for ranking factors. Are there any other search engines which already take speed into account for search results? or perhaps ...
4
votes
2answers
551 views

CDN for authenticated sites

We have a site that requires users to sign into. Typical stuff. Today, all the content (dynamic and static) is behind the login process, and you cannot access any of the pages or files via a URL ...
4
votes
2answers
217 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 ...
4
votes
2answers
196 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 ...
4
votes
2answers
489 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 ...
4
votes
1answer
93 views

Can I easily track site performance over time with Google PageSpeed?

Are there any implementations of the Google PageSpeed API that allow one to track the performance of a site over time?
4
votes
3answers
415 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 ...
4
votes
2answers
2k 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 ...
4
votes
1answer
302 views

jQuery/AJAX on old Computers/Browsers

I am working on a plattform that will have a lot of users in the so called "developing countries". So many of them will be using old computers and old browsers in tiny internet cafes. We want to make ...
4
votes
1answer
251 views

Combining CSS files with regards to @media

We have a website where the usual speed ups from High Performance Websites and Even Faster Web Sites paid dividends. However we have neglected stylesheets (due to the difficulties laid out below) and ...
4
votes
1answer
510 views

How to show content for logged-in vs logged-out users?

We have a set of pages with the following urls: www.mysite.com/info/page1.html www.mysite.com/info/page2.html www.mysite.com/info/page3.html Each has a structure as follows: ---------------------- ...
3
votes
9answers
253 views

How do you enhance your websites speed without compromising the design and access?

How do you enhance your websites load speed without killing the design and accessibility? File compression, CDN, Gzip? What are the best tools for doing so? For example, Google has optimized their ...
3
votes
4answers
266 views

WordPress MySQL Performance

I have a website (www.americanbankingnews.com) that gets 40,000-50,000 page views today. It's currently sitting on a dedicated quad-core Xeon server with 8GB of ram. The site is powered by WordPress ...
3
votes
2answers
815 views

Is it good to refresh a page after a fixed interval?

I seen many sites which are refreshing their pages after a fixed interval. Sometimes it is 1-2 mins only. If i refresh a page after every 5 mins. It'll helpful to notify user with updated contents. ...
3
votes
2answers
738 views

What are reasons of latency for a HTTP request to load HTML?

I would like to know what are reasons of latency for a HTTP request to load HTML part of a webpage. I think about: loading webpage with proxy not having a good web server (apache vs nginx) having a ...
3
votes
3answers
487 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. ...
3
votes
3answers
134 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 ...
3
votes
2answers
2k views

How to find out if my hosting's speed is good enough?

There are lots of different online performance tests: Google PageSpeed Insights iWebTool Speed Test AlertFox Page Load Time WebPageTest Also there are several desktop/client software such as: ...
3
votes
2answers
6k 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 ...
3
votes
2answers
743 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 ...
3
votes
4answers
950 views

How to replay traffic to web server from logs to profile / benchmark web app under real load?

Is there a way to get recorder real network traffic to web server, e.g. from web server logs (Apache), and replay this traffic to either profile web application (in Perl) under real load, or benchmark ...
3
votes
2answers
208 views

Shared to Dedicated or Amazon CloudFront to improve performances and keep secured?

I have a Wordpress which currently takes about 1.8s to 2.5s for the home page to completely load in my country. The page weight is about 700Ko (static content included). In order to increase ...
3
votes
2answers
229 views

How is fluid theme's impact on rendering performance?

I am new to responsive design and now re-making a template to make it more responsive. This involves redefining many fixed width and fonts as context-dependent percentage (% or em) instead of pixels ...
3
votes
1answer
714 views

SEO for images: can I use a different (cookieless) domain?

We want to increase the value of some of our important images by means of SEO, and we want to start serving them from a different, i.e. cookieless, domain. We want to go from ...
3
votes
3answers
1k views

Track page size of web app for performance

I'm about to start trialling optimisations on my web application (apache & tomcat). My main interest right now is: The total page size (including external js files such as jquery) The number of ...
3
votes
3answers
486 views

Long 'Wait' Time for three php/CSS files. Is something blocking them?

I have been speed optimizing a Wordpress site to little effect. There are three files CSS-related php files from the Wordpress theme that are delaying page loads on the site. One of the three files ...
3
votes
5answers
504 views

How to test the speed of a page that is guarded behind login page?

For public page, I can use pingdom.com to calculate the response time/uptime of a page over a certain period of time. However, pingdom cannot time the response time of a webpage guarded behind a ...
3
votes
3answers
2k 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 ...
3
votes
2answers
166 views

What is the easiest and fastest way to get statistics of a webservice response time?

I implemented a webservice with node.js and want to test its response time. I don't just want to do the test with one connection attempt, but I want statistics about multiple attempts, telling me the ...
3
votes
1answer
47 views

What's the minimum age for a Cache-Control header with Akamai?

We're planning an integration with a CDN (likely Akamai) and are trying to determine how low we could go for a max-age value. For a site that could get a few hundred thousand folks hitting the site ...
3
votes
1answer
157 views

Why SPDY-enabled pages are not loading faster?

I've just enabled the SPDY module on nginx, as explanained on the SPDY module site. I expected a speed enhacement on my site, but I haven't noticed it. Using Firefox 25 and Firebug, I tried to take a ...
3
votes
1answer
789 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 ...
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 ...
3
votes
2answers
510 views

KPI's for Webmasters

Do you know any Key Performance Indicators for Webmasters? What should be measured and monitored?
3
votes
0answers
225 views

How to test high load on a website? [duplicate]

Possible Duplicate: How do you load test your application? Hi, I am nearing a point of finalizing a website and it will soon be released. We have bought some traffic and advertisement ...
2
votes
6answers
94 views

Regarding improving site performance

I have an e-commerce website and have close to 9000 products in it with each product having 3 pictures at least. Now my site is loading at an average speed but I want to improve it, as I will be ...
2
votes
4answers
659 views

Google bots are severely affecting site performance

I have an aggregate site on a linux server that pulls in feeds from a universe of about 2,000 blogs. It's in Wordpress 3.4.2 and I have a cron job that is staggered to run five times an hour on ...
2
votes
4answers
1k views

Webpage Post Submits vs AJAX?

Which is better and why? I can see where a site that works 100% in AJAX might optimize a bit better, due to not having to reload the page on each click. But I am a huge fan of the big submit button ...
2
votes
4answers
1k views

Using Amazon S3 has increased the page load time? Why?

I am optimising the page load time for my site. After a bunch of changes, the load time had decreased. As suggested by a lot of people, I decided to use Amazon's S3 to store and serve my static ...
2
votes
3answers
372 views

Website has “lagging” effect. Causes? Tips and tricks to fix?

So I have this site here which has major performance issues. Scrolling is very slow, hover effects have a bit of lag and other similar issue. Unfortunately right now I am working off a cheap host so I ...
2
votes
3answers
136 views

How to decrease the frequency of Google/Search-engine bots crawling my site?

My server handles my visitors ok, but recently I found there are many search engine bots crawling my site and my server gets quite busy serving these bots. My site generates over 1000 posts each day, ...
2
votes
2answers
573 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 ...
2
votes
2answers
728 views

What is the default behavior of Cache-Control

If no private nor public were defined in the cache-control, e.g. Cache-Control: max-age=31461276 What is the expected behavior?
2
votes
3answers
131 views

Speed up your website?

I use WP SuperCache and W3 TotalCache to optimize the speed of my Wordpress website by caching. That really helps! But lately I have been building a website myself, basically from scratch. Is there ...
2
votes
5answers
672 views

Is there a good tool or service for tracking and analyzing website response/download time?

I am looking for a simple tool or service to track the server-side performance of a website over time. It would be nice to have the possibility to register a set of URLs for different page types and ...
2
votes
1answer
223 views

PageSpeed - Minimize DNS lookups: why not use IP address for resources

One of the recommendations from web performance optimization services is to minimize DNS look ups. I fully understand why they recommend this but why not just point references to external files to ...
2
votes
3answers
56 views

Using one document for all images

I have some icons around 100x100. I typically save out each icon as a .png but I wanted to know if I included all the .pngs in one document would it be ideal and improve load time? If one document ...
2
votes
1answer
32 views

Performance hit of a lot of unused font-faces

If you have an html file, and in that html file you link to styles.css which covers all the styling of the page. Then inside of styles.css you have something like @import url('../css/fonts.css'). ...
2
votes
2answers
257 views

How can I speed up the download time of a Bootstrap theme'd website?

I realize some of the ways are: Use the minified versions of all the .css and .js Load the common library elements (jQuery, etc.) from some common source. Not sure what the source that's most likely ...
2
votes
1answer
215 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?