Access www2016.ca. 25th World Wide Web Conference

name

value

score

weighting

FCP (First Contentful Paint)

Value3.1 s

45/100

10%

LCP (Largest Contentful Paint)

Value3.7 s

57/100

25%

SI (Speed Index)

Value4.2 s

78/100

10%

TBT (Total Blocking Time)

Value130 ms

96/100

30%

CLS (Cumulative Layout Shift)

Value0.094

91/100

15%

TTI (Time to Interactive)

Value5.6 s

69/100

10%

www2016.ca

616 ms

jquery-1.11.1.min.js

254 ms

settings.css

73 ms

index.php

113 ms

static-captions.css

34 ms

Our browser made a total of 117 requests to load all elements on the main page. We found that 56% of them (66 requests) were addressed to the original Www2016.ca, 17% (20 requests) were made to Static.xx.fbcdn.net and 5% (6 requests) were made to Gabarit-adaptatif.uqam.ca. The less responsive or slowest element that took the longest time to load (616 ms) belongs to the original domain Www2016.ca.

Content Size

2.2 MB

After Optimization

897.4 kB

In fact, the total size of Www2016.ca main page is 2.2 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 1.4 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 40.8 kB

Original 50.5 kB
After minification 45.7 kB
After compression 9.7 kB

HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 40.8 kB or 81% of the original size.

Image Optimization

-50%

Potential reduce by 702.9 kB

Original 1.4 MB
After minification 711.6 kB

Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. Obviously, Www 2016 needs image optimization as it can save up to 702.9 kB or 50% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-67%

Potential reduce by 281.2 kB

Original 419.7 kB
After minification 413.9 kB
After compression 138.6 kB

It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 281.2 kB or 67% of the original size.

CSS Optimization

-86%

Potential reduce by 238.6 kB

Original 276.2 kB
After minification 226.3 kB
After compression 37.6 kB

CSS files minification is very important to reduce a web page rendering time. The faster CSS files can load, the earlier a page can be rendered. Www2016.ca needs all CSS files to be minified and compressed as it can save up to 238.6 kB or 86% of the original size.

Requests Now

116

After Optimization

The browser has sent 116 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Www 2016. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 31 to 1 for JavaScripts and from 17 to 1 for CSS and as a result speed up the page load time.