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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2
votes
3answers
136 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
794 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
2answers
47 views

How to improve load time when Pingdom says 80% of the load time is the web browser waiting for data from the server? [closed]

tools.pingdom.com gives a speed analysis of any given website. What does it mean when most of the load time is spent on waiting? I am using a CDN.
2
votes
1answer
432 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
57 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
60 views

Slower site with the *same* configuration than a mirror copy…?

I've got this Drupal site (ligadelconsorcista.org) that I have to move it from one server to another. The reason was that my older host even when it was pretty decent, it started a couple of months ...
2
votes
1answer
40 views

For SEO, can content containing keywords be written into the page using JavaScript and still rank well?

We have a list of product summaries that appear on several different product listing sections of our website. Currently, these products are rendered into the HTML, and end up in different caches ...
2
votes
1answer
68 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
574 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
218 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?
2
votes
1answer
2k views

How do I fix “high response time” warnings from Google Webmaster Tools? [duplicate]

In my Google Webmaster Tools account, there is warnings about my site: Some URLs listed in this sitemap have a high response time. This may indicate a problem with your server or with the content ...
2
votes
1answer
545 views

Can I set Cache-Control in the .htaccess file for a specific part of a document (just a section of the <body>)

I noticed, by using Google Page Speed Insights, that if I structure my HTML to load the critical, above-the-fold content first, my page will improve performance - and it woks (with now current perf. ...
2
votes
3answers
242 views

Slow site because of WordPress Evolve theme

I've installed WordPress lastest version in my site. It is using Evolve theme. Demo of this theme is here. The original demo is also slow. Slowing is like that, site is waiting for 9-10 seconds for ...
2
votes
1answer
107 views

Why is there a huge gap before in my WebPageTest after the HTML has been downloaded?

I am trying to improve front-end performance of my website, and there is a 3.5 second lag before the user actually sees anything, and I'd like to improve this. Here is a screenshot: And here is the ...
2
votes
3answers
319 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 ...
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. ...
2
votes
2answers
52 views

For performance reasons: have different pages for search engines and users

I have a SEO question for single page applications. We're working on a SPA (not yet public) that displays tables of numeric data to users. The data volume is large, number aggregations are costly ...
2
votes
1answer
49 views

Is there any way to simulate a slow connection between my server and an iPad (without installing anything on the server)?

Some of our webapp users have difficulty on slower connections. I"m trying to get a better idea of what that "speed barrier is" so I'd like to be able to test a variety of connection speeds. I've ...
2
votes
1answer
72 views

Why requests/Sec is very low in jmeter benchmarking while website serves so many users?

I've created a Thread Group to test my server load. In the following picture you can see that throughput is about 27 per min. The site is a high traffic website. Is jmeter precise on showing this ...
2
votes
3answers
87 views

Async load of secondary content; Google says “slow”, users see what they want faster

We have a performance problem on our site, and we're digging in to correct some rather basic issues -- we know we have many opportunities to improve performance -- this question is about one, in ...
2
votes
1answer
87 views

Need a study about average latency due to HTTP request and server processing time when downloading images that are a part of DOM

I'm writing a thesis about css sprites and need to know the of the average HTTP request overhead when establishing a connection to download an image file that is a part of DOM. We conducted a study ...
2
votes
1answer
269 views

Internal CDN and setting up subdomain to increase maximum parallel connections

I've heard that browsers can have around maximum of 6 parallel connections per domain at a time. So I decided to have another subdomain "cdn." then use mod_rewrite to point to media folder then ...
2
votes
1answer
88 views

CDN for site with target market in Australia

I was told that http://www.edgecast.com/ is very good CDN provider for Australian market. I have a cloud server based in Sydney Australia but was wondering whether it's even worth getting cdn as my ...
2
votes
1answer
42 views

Do private collaboration platform really need private file access? [closed]

I need to make private collaboration platform, where the website is not open to public registration, and all the posts is only accessible by the members. The members is management team of a company. ...
2
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 ...
2
votes
5answers
150 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' ...
2
votes
2answers
528 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 ...
2
votes
1answer
132 views

What kind of ad format best for site header?

I have room in the header of my website for ads. I've tried 480x60 banner ads and text ads from several networks, relevant to the subject matter of the website and every type of ad has performed very ...
2
votes
1answer
28 views

Caching a changing site

I run a website where the static content changes at least 4 times a week and I'm trying to figure out the best header arrangement to use. Currently I have all caching related headers in use. I have ...
2
votes
1answer
85 views

Server comparisons - Comparing servers based on their specs

We are busy creating a server hierarchy manager (possibly not the greatest name). What this is intended to do is determine which of our servers is the best for doing work. We have identified the ...
2
votes
0answers
84 views

How to make sure that my web application would be stable? [duplicate]

Possible Duplicate: How do you load test your application? Hi, I have finished 95% of my web application. Now, I would like to make sure that the website is stable even with 5000 or more ...
1
vote
3answers
286 views

“High response time” warnings in Google Webmaster Tools

In my Google Webmaster Tools account, there are warnings about my site. Some URLs listed in this sitemap have a high response time. This may indicate a problem with your server or with the content ...
1
vote
3answers
80 views

What type of websites shouldn't use a cache?

Is there ever a time when you should use caching? Like for frequently updated pages? Or, should you always cache? Please give examples and reason?
1
vote
3answers
128 views

InstantClick effect on SEO?

InstantClick.io is a pretty awesome JS library that makes a website feel a lot faster (in most cases) by prefetching links when a user is hovering above them. This will cut off at least about 100ms ...
1
vote
2answers
489 views

web page performance testing in Internet Explorer

How can I get the web page load speed and data amount in Internet Explorer? I know about PageSpeed and Firebug for Firefox, is there an equivalent of those tools for IE?
1
vote
5answers
83 views

How to make US websites faster in China?

We've been troubleshooting our site's performance in China. We've removed a lot of the scripts that were slowing pages down. Two critical things we can't simply remove are Google Analytics and Google ...
1
vote
2answers
635 views

Google Pagespeed not recognizing minify, cache leveraging, etc

Recently, my sites score completely dropped in site optimization/speed in the Google Adsense rating system. When using Google PageSpeed Insights it tells me quite a few things. One being to leverage ...
1
vote
1answer
179 views

Do or can robots cause considerable performance issues?

At work we are in a discussion with team members who seem to think bots will cause us problems relating to performance when running on our services website. Our setup: Lets say I have site ...
1
vote
3answers
101 views

If my web application is under a server will it perform better than if it is under a shared hosting?

Assuming that I have build an application using PHP, let's say something like vBulletin or assume that I will install the vBulletin itself. Will it performs better if it is in a VPS rather than a ...
1
vote
2answers
1k views

Looking for WAMP/LAMP/MAMP Benchmarking

I'm running ZWAMP WAMP stack on my local development machine. However I have found it to be very slow at serving pages from a Drupal site I have setup. By contrast, my live production site on shared ...
1
vote
2answers
416 views

wordpress sites are slow on shared hosting but plain html/css sites are fast

I've got a shared hosting account, unlimited sites, unlimited GB, unlimited bandwidth etc etc. Of course because it's shared and a cheap one at that - there's too many sites on each server and it ...
1
vote
1answer
806 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 ...
1
vote
1answer
232 views

Critique of SEO of this HTML [closed]

I'm designing a new site which I want to be as SEO friendly as possible, fast and responsive, semantic and very accessible. A lot of these things, embarrassingly are quite new to me. Have I miss ...
1
vote
1answer
31 views

What are the performance implications of loading static files as links vs. sending everything (including static files) inline

I was wondering what would be faster: Loading Static Files vs. Sending everything (including static files) in one HTML file? For example if I had a page that needs: jQuery font awesome CSS I ...
1
vote
1answer
295 views

Can .htaccess be used to cache AdSense JavaScript to improve the pagespeed score?

I'm AdSense publisher and I need to improve the page speed score for my site. It already gets 90/100 for speed and 100/100 for User Experience, however Google AdSense code is preventing it from ...
1
vote
1answer
90 views

Why does bingbot access my sites the most even if I set crawl rate to the minmum?

Recently my sites got overloaded and it turned out bingbot was the culprit. I set the crawl rate for the minimum for my sites in bing webmaster tools, but regardless bingbot has the most access (about ...
1
vote
2answers
51 views

How do I pick a host with the fastest access to a third party API?

I'm developing an application that relies on an API that is very time-sensitive. Every millisecond advantage I have over my competitors the better. Is there a good way to determine the optimal ...
1
vote
1answer
37 views

What kind of increase can I expect from improving site speed

I have a pretty slow site. This is what WMT measured: Now I know speed is a factor in SEO, but considering it is very difficult to make the site faster, I'm trying to evaluate the ROI of this effort. ...
1
vote
1answer
179 views

Using a CDN for CMS software (multiple sites)

I'm currently researching ideas for the media management side of a CMS I'm writing. I was looking at having images served from a CDN which is fine on a single site, but I want all sites that run the ...
1
vote
1answer
1k views

Plesk: View system resources (e.g., RAM, CPU, etc…) for a VPS

I've setup my first VPS. Previously I've always been hosting my projects on a shared hosting account. I run a couple of little personal projects on the VPS, including one that is continuously scraping ...