Which "href" value should I use for JavaScript links, "#" or "javascript:void(0)"?

The following are two methods of building a link that has the sole purpose of running JavaScript code. Which is better, in terms of functionality, page load speed, validation purposes, etc.? <!--...

Improve INSERT-per-second performance of SQLite

Optimizing SQLite is tricky. Bulk-insert performance of a C application can vary from 85 inserts per second to over 96,000 inserts per second! Background: We are using SQLite as part of a desktop...

Why do browsers match CSS selectors from right to left?

CSS Selectors are matched by browser engines from right to left. So they first find the children and then check their parents to see if they match the rest of the parts of the rule. Why is...

Script Tag - async & defer

I have a couple of questions about the attributes async & defer for the &lt;script&gt; tag which to my understanding only work in HTML5 browsers. One of my sites has two external JavaScript files...

Page Speed Issues

Really having lots of page speed issues, my web developer tried a cdn for the banner loading which made it really fast, but now she has amended this and the speed has really dropped very low...

How to detect internet speed in JavaScript?

How can I create a JavaScript page that will detect the user’s internet speed and show it on the page? Something like “your internet speed is ??/?? Kb/s”.

Remove Mod Page Speed module

I have installed mod page speed Customized module from the bellow reference link on whm centos 5 ,32 bit with Apache...

Google Page Speed Extension score

I am using Google Page Speed Extension in my browser to test my local setup. However, the extension does not show me a score. The online Page Speed shows a score. Any pointers as to if and where...

Page Speed Insights Quota

It's possible to extend the quota of 25,000 request for Google Page Speed Insights? I can't find any documentation about this. Thanks

Page Speed - Eliminate render-blocking

I'm trying to improve my Google Page Speed score. Currently 51/100 for mobile and 83/100 for desktop. One of the issues is "Eliminate render-blocking JavaScript and CSS in above-the-fold content"....

Improve prestashop site page speed

Hi i want improve prestashop page speed i tried following thing https://www.prestashop.com/blog/en/10-best-tips-to-speed-up-your-prestashop-store-3/ Speed Up your Site and compression with...

Google Page Speed for WAMP

I am looking to install google page speed extension for apache in WAMP.

New Google page speed insight

Can anyone help me to get optimized images, scripts and css files using google page-speed insight. My site had optimized images and other optimized stuff but because of changes in page speed...

Enable Keep-Alive (Page Speed)

What is the keep-alive feature? How can I enable it? Following is the output from the chrome's Page Speed plugin. Enable Keep-Alive The host {MYWEBSITE.COM} should enable Keep-Alive. It serves the...

Google Maps API causes Page Speed hit

I have been working to optimize my Page Speed score, and I found that loading a Google Map appears to give a 5 point or so penalty. It complains about a number of things, but the one that causes...

Angular Increase page speed

I am creating a project using angular.I have problem while testing the page speed in gtmatrix.. Below is the command for generating build: ng build --prod--aot The size of the file is 1.9mb...Bu...

Redirects page speed issue

I've tried to force WWW on all site which worked well but when I am doing a page speed test, I am getting the following recommendation (for example): Remove the following redirect chain if...

wordpress page speed optimization bug

I am facing issue from last month that my wordpress website page speed. Please give me the suggestion. Thank You My website is http://jobbees.pk/

Google Page Speed-Like Image Optimization

My website has about 20 thousand product images. Google Page Speed tells me they can be optimized, and it's correct - the difference is huge. Google is able to maintain identical quality and...

What is the difference between HTTP status code 200 (cache) vs status code 304?

I'm using the Google "Page Speed" plug-in for Firefox to access my web site. Some of the components on my page is indicated as HTTP status: 200 200 (cache) 304 By Google's "Page Speed". What I'm...

Google page speed returning object rather than the speed

this is my controller.i am trying to integrate the google page speed to my laravel project. class TestController extends Controller { public function pagespeed() { $pageSpeed = new...

How to minify php page html output?

I am looking for a php script or class that can minify my php page html output like google page speed does. How can I do this?

AddThis and Google Page Speed

No matter how I try to load AddThis (using Google +1, Facebook Send and Like, and Twitter buttons as default), Google Page Speed still warns about: Leverage browser caching Defer parsing of...

Quota limitation Page Speed V5

Currently while parsing through API of Page Speed V5, there is a quota limitation. whenever the file has URLs over 100. We currently don't know what is the quota limitations per day or per user or...

Page Speed - Test Script response speed

I made a website recent and it's loading very slow. My Firebug Page Speed Score is 82/100. I think this is good. My website has 2 images and they have 100KB and some other small images for...

My Site Speed is showing unavailable in google page speed

I have experienced a Site Speed of currently showing Unavailable in Google Page Speed. It is showing that the data depends upon CrUX. Please make me understand why it is unavailable and what is CrUX

wordpress page speed not working for desktop version

I did all the things Like image optimization, rendering for page speed optimization. I checked my mobile page speed increasing but desktop page speed not increasing it's still 22 again and again. ...

How does Google's Page Speed lossless image compression work?

When you run Google's PageSpeed plugin for Firebug/Firefox on a website it will suggest cases where an image can be losslessly compressed, and provide a link to download this smaller image. For...

image requests page speed

i have a lot of small images (.png,.gif,.jpg) all kind of files. When the page is getting requested for the first time.. each of these images which is placed in my App_Themes folder.. gets...

Running Zopim Chat after page load hurts page speed

I have integrated Zendesk Zopim Chat to Vuestore front. Though adding this chat causes the pagespeed to drop score. I did added the script through async and added this code in mounted section of...