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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597 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?
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3answers
67 views

Best practice how to specifiy the link's destination

In my website, I have many files such contact.php, about.html etc. Right now I can call those file in my site by two methods. Method 1: <a ...
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1answer
59 views

Why is this mobile/image Googlebot crawl rate so fast? (10-30 req per sec)

This morning in logs I noticed a user got rate limited by our throttler 3 times within 1 second (429 too many requests error) at 3:30:11 AM EST: Mozilla/5.0 (Linux; Android 6.0; GCE x86 phone ...
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2answers
1k 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 ...
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1answer
211 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 ...
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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 ...
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1answer
47 views

Javascript page load time calculation returns negative

<script type="text/javascript">//<![CDATA[ // jQuery has already been loaded but this could be equivalent to // a function in <body onLoad=""> $(function(){ var ...
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1answer
67 views

Many requests in my logs to the same obscure page from Opera Mini. What can be the explanation?

I checked my site's logs and I found 20 thousand requests on the same day all to an obscure page of my site. The IP address of the requests belong to Opera Mini. Can someone explain this? I would be ...
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3answers
124 views

How to test the speed of my server inet connection?

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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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 ...
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2answers
447 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 ...
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1answer
990 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 ...
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1answer
243 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 ...
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1answer
21 views

Is a .htaccess rewrite rule a potential performance issue?

I use a .htaccess rewrite to redirect: RewriteEngine on RewriteBase / RewriteCond %{REQUEST_URI} !^/redirect-to-this-subfolder/ RewriteCond %{HTTP_HOST} ...
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1answer
16 views

Do any important SEO robots (such as search engine crawlers) rely on IP addresses anymore to identify websites?

Currently, I have it where anyone who attempts to access my server IP address as a website (example: http://nnn.nnn.nnn.nnn) will be redirected to a domain name with the original request URI appended. ...
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1answer
29 views

Is webpagetest.org unreliable with mobile testing? I'm trying to get accurate results

I use webpagetest.org to test my website very often. When I used a couple of remote desktop computers on their site, my TTFB (time to first byte) measures between 1 and 400ms. However, on nearly all ...
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1answer
21 views

Streaming Vs Downloading Site Load Speed debate

We have a number of sites that use bg video - currently the video file (1.4mb) is loaded from the server and increases page load. My question is whether streaming the video on loop via Vimeo or ...
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1answer
27 views

Forcing website icon to load early in all web browsers

My goal is to allow a small keepalive timeout (of about 3 seconds) with a max of about 5 requests, just enough for the page HTML, page assets, and the page icon. So far, every browser loads nearly all ...
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1answer
37 views

Full Boostrap from CDN vs custom version from own server

The last few versions of Twitter Bootstap can be customized to include only the components you need. The full version, with all the components, can be served from a wide variety of public CDNs ...
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1answer
39 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 ...
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1answer
898 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 ...
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1answer
175 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 ...
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2answers
61 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 ...
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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. ...
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1answer
257 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 ...
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1answer
3k 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 ...
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2answers
305 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 ...
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1answer
301 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: ...
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1answer
2k 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 ...
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1answer
166 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 ...
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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 ...
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1answer
38 views

What is an appropriate total page size for a homepage, including full-screen background images so that they load fast but don't look blurry?

I am in a dilemma. My customer wants to put several nice pictures as a background on Homepage, each of them being 1200 x 650 and sized about 1.5MB. I tried to compress them to a reasonable size at ...
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0answers
22 views

Will deleting font files make my website run faster even if it causes multiple (and more) zero byte requests for the missing files?

I have a file that is part of my website template with a size of 55.8 kb. I want to lean down my website and make it run faster. I can prevent that file from loading by deleting it. When that ...
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0answers
47 views

Can images be combined using the clip CSS Property while still maintaining image SEO and semantics?

I have two images in my web page. Actually there are 20 but I want to keep things simple: <div> <img src="apple.png" alt="Apple" /> <img src="orange.png" alt="Orange" /> ...
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0answers
16 views

Using SetEnvIf to not log overly accessed URLs

I'm trying to figure out how to craft my SetEnvIf's in my apache config so that the server hard disk isn't spinning 24/7 over log entries. What I want to do is disable logging for all domains and ...
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0answers
21 views

Why is my httpd so busy? [closed]

I have a simple Wordpress site on a VPS that isn't performing well. AWStats says: ~ 500k page views per month: ~ 50-80k unique visitors per month ~ 500-800 GB bandwidth per month ...
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0answers
16 views

Page speed performing poorly specifically on OS X versions of Chrome. What gives?

I'm digging into page speed within my Google Analytics, and saw that I'm having higher than average load times with Chrome, which was unexpected. Digging in further by operating system, the issue ...
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1answer
36 views

Is there a performance difference between background-size:cover and background-size:100% auto?

I know what the difference is between background-size: cover and background-size: 100% auto. I'm curious if there is a performance difference between the two and which one would be preferred?
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0answers
8 views

change cpanel log file location

Is there a way in some configuration file to specify a new folder to put all the cpanel log files in, or is there a way to specify new log file names for each log? I ask this because I want to store ...
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0answers
29 views

How to prime cache on all location of a cdn

I have just started using MaxCDN to serve static resources faster (images, js and css mostly). It works great, as long as the data is cached on the cdn's location that is close to where I live. But ...
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1answer
31 views

Which does google prefer: chained redirects or longer time-to-first-byte?

I'm clearly a webpagetest.org addict now. Once again, I tested my site after optimizing (by eliminating some file scans) and the speed greatly improved. It's now at about 150ms Time to First Byte from ...
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0answers
21 views

Can a later DocumentRoot directive override an earlier DocumentRoot directive?

Because I use cPanel, the WHM developers are trying to restrict my subdomain creation to any folder within my user account of /home/username. In order to improve processing speed, I created a ram ...
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0answers
29 views

How to know if visitors are experiencing a good performance from the server? [duplicate]

Sometimes I visit my wordpress website on godaddy, and looks like the site is slow. But when I refresh it goes fast. I wonder how often this occur to my visitors on the month. Is there a way to know? ...
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1answer
32 views

Speed of prefork+ruid2 with more connections on limited memory

Currently I am using Apache in a server with WHM/Cpanel and I'm currently using Prefork MPM with Mod Ruid2 to process PHP pages. While the setup allows it to run very fast, I'm limited to processing ...
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0answers
44 views

Performance: 4096 Bit RSA-Key compared to 2048 bit RSA-Key

Is there a comparison between 4096 Bit RSA-Key and a 2048 Bit RSA-Key? Id like to know what impact on performance it has, if Im choosing a 4096-Bit key for ssl-encryption. Is there any info which ...
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1answer
399 views

How to manage the leverage browser caching for third party JS files? [duplicate]

Is it possible to set and expiration date for the file http://assets.pinterest.com/js/pinit_main.js? And the other stuff down the list? I want to bring up my score as high as possible. I'm using ...
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0answers
56 views

CSS Above or Below Body for Speed? [closed]

I just have a genuine question, should I put any CSS above or below the body tag (maybe for Javascript too?), and what are the pro's and con's of each method? and what's the (dis)advantages of using a ...
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0answers
69 views

Website Speed Index for SPA applications

I have a large SPA website, when measuring performance is there a standard metric to measure the time to transition between virtual pages? I know about speed index, but that only seems to cover ...
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1answer
80 views

Website Performance Testing Tools [closed]

I have a contract before me that says our client will use "the following metrics will be used to determine performance standards" of the MVC4 based web site we want to deploy for them. I am looking ...
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0answers
35 views

Increasing server speed(More info in question) [closed]

So I have recently been employed as a webmaster at a local High School, and I have walked into a nightmare. Their are 3 servers which hold about 300 WordPress/wiki sites for all the teachers. As well ...