Questions tagged [performance]
The art of tuning a website to deliver it's content quickly and efficiently to the user over a potentially low bandwidth connection.
34
questions
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answers
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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 ...
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23
votes
6
answers
824
views
How do you load test your application?
What is the most effective way to load to load test your app? The main point is to determine how many users you could support at a single time with the application still running at a reasonable speed.
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78
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12
answers
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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?
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3
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3
answers
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How do I add the an expires header for external URL components as suggested by GTmetrix and YSlow?
I am trying to decrease the loading time of my website which is hosted in Bluehost. So when I check the performance scores via GTmetrix under YSlow section it mention to "Add expire headers" for four ...
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4
answers
3k
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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 ...
- 10k
16
votes
11
answers
4k
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Common optimizations to reduce HTML or XHTML page size?
What are some common optimizations performed to reduce HTML or XHTML page size? Some that come to mind are:
removing comments,
removing extraneous whitespace,
moving repetitive inline styles to a ...
- 3,763
4
votes
1
answer
845
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Tradeoffs around using a query string vs embedding version number in the CSS/JS files [duplicate]
I was reading articles and forum posts about using version numbers in CSS/JS files.
http://www.stevesouders.com/blog/2008/08/23/revving-filenames-dont-use-querystring/
http://www.particletree.com/...
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3
votes
3
answers
3k
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"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 ...
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33
votes
3
answers
7k
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Should I use gzip for compressing my HTML?
I saw from an online tester that my HTML can be compressed about 90%! Is it good practice to use gzip or not? I see that lot sites don't use it.
For me it would improve traffic, as some pages ...
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29
votes
1
answer
3k
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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 ...
- 291
22
votes
3
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If a page takes too long to load, after how long will a user give up and re-load or go elsewhere?
If a page takes too long to load, after how long – generally – will a user give up and re-load or go elsewhere? What studies have been done that measured page load time and user ...
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13
votes
1
answer
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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 ...
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48
votes
3
answers
60k
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Is gzipping images worth it for a small size reduction but overhead compressing and decompressing?
Most image formats are already compressed. But in fact, if I take an image and compress it (gzipping it), and then I compare the compressed one to the uncompressed one, there is a difference in size, ...
charlie
31
votes
6
answers
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What is the Google Chrome equivalent to Firebug?
I'm looking for a tool that can:
inspect HTML elements
manage/debug JavaScript
profile performance
modify elements in real-time
- 1,788
15
votes
5
answers
7k
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What's the best way to load Javascript into a page to optimize performance?
Is there a way to load my JavaScript into a page that will make it load faster?
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12
votes
4
answers
17k
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Specifying image dimensions to improve browser performance
I recently ran an audit on my web site using Google Developer Tools. My images are all the same size (500 horizontal by 300 vertical pixels) so I thought it would be better if I left out the image ...
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11
votes
1
answer
295
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Hosting speed tests?
Are there any sites to test the speed of your hosting? I know there are sites that will tell you why your site is slow, e.g. - YSlow, etc., but how about the speed of bandwidth you get from your ...
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7
votes
2
answers
10k
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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 ...
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6
votes
1
answer
2k
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Connection speed for a website from UK to Australia
I need to open a website only for Australian customers. The fact is that our provider's servers are all housed in the UK.
What do you suggest is better? Leaving our website in the UK? Or buy a ...
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6
votes
1
answer
410
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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 to ...
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5
votes
2
answers
7k
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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 ...
Chriswede
5
votes
1
answer
4k
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:
----------------------
|...
- 526
5
votes
1
answer
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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 ...
- 123
4
votes
2
answers
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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.
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3
votes
3
answers
210
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 ...
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3
votes
9
answers
318
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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 ...
- 2,036
3
votes
2
answers
5k
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 ...
- 10k
2
votes
1
answer
375
views
How to display random demo Google ads for testing
To benchmark an application I want to display ads in Google Publisher Tag (GPT) slots, even if they aren't defined on the publisher end yet.
I have a network id and ad unit ids, but no ads are ...
- 121
1
vote
1
answer
118
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Reduce CloudFlare Wait Time
I installed CloudFlare as a test to one domain on my server, supposing it would be quicker. But it's not. The waiting time (I think, otherwise known as time to first byte) has gone up considerably.
...
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1
vote
1
answer
339
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Should we improve time to first byte or Page Speed Insights score for SEO?
Google posted last summer that "page speed" will impact the search result rankings also on mobile devices. But I think there is a little confusion about the term "page speed".
The test tool which ...
1
vote
1
answer
105
views
Should I remove HTTP to HTTPS redirects to fix performance problems reported by Google Pagespeed Insights?
I have created a brand new website in which I publish various computing services I suggest to potential customers.
As far as I know, no other website on the World Wide Web links to that website and ...
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1
vote
1
answer
4k
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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 ...
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vote
3
answers
209
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Images based website speed
I have a WordPress site which is 90% based on images.
I've installed Wp-Super-Cache, now it seems to load a little bit faster.
I've made a speed test on Pingdom Tools:
Page size 4.7MB
Load time 5....
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0
votes
3
answers
2k
views
How to test the speed of my server inet connection? [closed]
The connection speed our webapp is showing (from my office) is much slower than my connection speed to a SpeedTest.net site in the same city.
I can test my internet using SpeedTest.net to Houston (...
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