The art of tuning a website to deliver it's content quickly and efficiently to the user over a potentially low bandwidth connection.
1
vote
1answer
23 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 ...
2
votes
2answers
92 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 ...
1
vote
1answer
342 views
JMeter: how to asign a single distinct value from CSV Data Set Config to each thread in thread group?
I have to make a load test for a relatively large number of users so I cant realy use User Parameters pre-processor to parametrize each thread with custom user data. I've read that I should use CSV ...
4
votes
5answers
282 views
Do user names used for login need to be unique?
Assuming a non-commercial site where users login with a user name and pw, do I need to enforce unicity of usernames?
Note: The db will use a separate unique index to identify the users.
The site is ...
1
vote
0answers
19 views
Advice scaling website [duplicate]
We could use advice on a scaling/ops issue.
We have a simple website that runs on Rails 3.2.12 and uses MongoMapper instead of ActiveRecord. There is one database call that sporadically performs ...
2
votes
3answers
813 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:
...
1
vote
0answers
30 views
Open Source website performance monitoring [closed]
I am looking for an Open Source solution to monitor my web sites' performance over time.
More specifically, I am looking for something I can run on a server that will (on a continual basis) monitor ...
2
votes
1answer
126 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 ...
0
votes
0answers
88 views
How to increase memory and cache size for application pool in IIS 7 efficiently [closed]
I search internet for increase memory and cach for application pool in IIS 7 but all topics are diffused and I do't know the effect of that settings together.
can some body describe How I can ...
8
votes
7answers
4k 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 ...
1
vote
3answers
42 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
3answers
39 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 ...
12
votes
3answers
1k views
Why is loading speed of a website important for SEO?
I see everywhere on the internet how to optimize loading speed of a website but no one says why it's important for SEO.
Inevitably, there are reasons why Google has decided to take this factor into ...
8
votes
4answers
1k 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 ...
3
votes
4answers
252 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 ...
2
votes
1answer
52 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
36 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 ...
1
vote
1answer
49 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 ...
3
votes
1answer
534 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 ...
2
votes
1answer
69 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 ...
3
votes
4answers
684 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 ...
0
votes
1answer
39 views
Effects of Active Virus Scanner on WebApp for XS Azure VM
Suppose a public WebApp is hosted on an EXtra Small (XS) Azure Virtual Machine (VM). What benefits and/or performance problems might visitors experience if a Memory-Resident Virus Scanner is run on ...
2
votes
1answer
60 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 ...
1
vote
2answers
125 views
Benchmark for website speed optimization
I working on website speed optimization. I mostly used 3 tools for analyzing speed of optimization.
Speed analyzing Tools:
Google pagespeed tool
Yslow Firefox extenstion
Web Page Performance Test
...
21
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 ...
0
votes
0answers
74 views
What amount of PHP memory usage is reasonable for multiple WordPress sites? [closed]
It seems like I've been plagued with memory usage issues most of the time I've been blogging (7 years). I upgraded my hosting to a HostGator VPS and still seem to have issues.
I have about a dozen ...
1
vote
2answers
113 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?
5
votes
4answers
289 views
Strategies for very fast delivery of webpages
I run a website Cucumbertown with an initial pay load of nearly 9KB zipped.
All my js is delayed loaded with requirejs and modernizer is the only exception.
Now all my webpages are Nginx cached ...
2
votes
4answers
639 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
4answers
268 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 ...
3
votes
2answers
141 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 ...
1
vote
1answer
89 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 ...
0
votes
3answers
103 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).
...
0
votes
0answers
144 views
IIS7 - 2 identical asp.net apps in 2 app pools, 1 is responsive and 1 is not
I have an ASP.NET (v4.0) web app that is installed in a virtual directory (as an application) and is hosted in it's own app pool.
This is repeated for each instance of the app (i.e. per customer).
...
2
votes
1answer
38 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. ...
1
vote
2answers
497 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 ...
0
votes
0answers
52 views
Logging what was in the content of a page
I'm one of the people working on a Java based website that has the apache httpd in front of it.
The content on the pages is migrating towards personalizing the content and as such just about every ...
3
votes
2answers
145 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 ...
1
vote
5answers
397 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 ...
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 ...
10
votes
1answer
1k views
What is recommended minimum object size for gzip performance benefits?
I'm working on improving page speed display times, and one of the methods is to gzip content from the webserver.
Google recommends:
Note that gzipping is only beneficial for larger resources. Due ...
1
vote
1answer
113 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 ...
4
votes
1answer
212 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 ...
0
votes
1answer
293 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 ...
4
votes
3answers
387 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 ...
1
vote
1answer
327 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
174 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 ...
3
votes
3answers
1k 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 ...
5
votes
4answers
10k views
What can you do to speed up IIS 7 web sites?
Turn on compression and you'll see immediate performance improvements, likewise if you enable caching for complex web apps.
What other configuration options you can change to improve performance? do ...
4
votes
1answer
107 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 ...
