Access iai.heig-vd.ch. Institut d'Automatisation industrielle - Ra&D

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

67/100

10%

LCP (Largest Contentful Paint)

Value4.1 s

46/100

25%

SI (Speed Index)

Value5.0 s

63/100

10%

TBT (Total Blocking Time)

Value2,830 ms

3/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value6.8 s

55/100

10%

iai.heig-vd.ch

594 ms

VariationRoot.aspx

238 ms

en-gb

101 ms

RedirectionAccueil.aspx

121 ms

Accueil.aspx

510 ms

Our browser made a total of 76 requests to load all elements on the main page. We found that 91% of them (69 requests) were addressed to the original Iai.heig-vd.ch, 3% (2 requests) were made to S.ytimg.com and 1% (1 request) were made to Js-agent.newrelic.com. The less responsive or slowest element that took the longest time to load (1.8 sec) belongs to the original domain Iai.heig-vd.ch.

Content Size

1.7 MB

After Optimization

591.8 kB

In fact, the total size of Iai.heig-vd.ch main page is 1.7 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. 50% of websites need less resources to load. Javascripts take 944.5 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 40.7 kB

Original 51.8 kB
After minification 49.0 kB
After compression 11.2 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 40.7 kB or 78% of the original size.

Image Optimization

-6%

Potential reduce by 17.6 kB

Original 305.7 kB
After minification 288.1 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. Iai HEIG VD images are well optimized though.

JavaScript Optimization

-76%

Potential reduce by 713.3 kB

Original 944.5 kB
After minification 836.8 kB
After compression 231.2 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 713.3 kB or 76% of the original size.

CSS Optimization

-83%

Potential reduce by 302.6 kB

Original 364.0 kB
After minification 345.2 kB
After compression 61.4 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. Iai.heig-vd.ch needs all CSS files to be minified and compressed as it can save up to 302.6 kB or 83% of the original size.

Requests Now

After Optimization

The browser has sent 71 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Iai HEIG VD. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

High

<frame> or <iframe> elements do not have a title

High

Form elements do not have associated labels

High

Links do not have a discernible name

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

Low

Detected JavaScript libraries

Search Engine Optimization Advices

To appear in search results, crawlers need access to your app.

High

Links are not crawlable

Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).

High

Document uses legible font sizes

Language and Encoding

Language Detected

FR
Language Claimed

N/A
Encoding

WINDOWS-1252

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Iai.heig-vd.ch can be misinterpreted by Google and other search engines. Our service has detected that French is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Iai.heig-vd.ch main page’s claimed encoding is windows-1252. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

iai.heig-vd.ch

Open Graph description is not detected on the main page of Iai HEIG VD. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks:

Report Summary

Performance

Accessibility

Best Practices

SEO

Institut d'Automatisation industrielle - Ra&D - HEIG-VD

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

iai.heig-vd.ch

VariationRoot.aspx

en-gb

RedirectionAccueil.aspx

Accueil.aspx

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

iai.heig-vd.ch

VariationRoot.aspx

en-gb

RedirectionAccueil.aspx

Accueil.aspx

nr-100.js

Band.css

controls.css

HtmlEditorCustomStyles.css

HtmlEditorTableFormats.css

zz1_blueglass.css

core.css

init.js

core.js

ie55up.js

search.js

mootools-1.2.3-core-yc.js

mootools-1.2.3.1-more.js

ReMooz.js

jd.gallery.js

jd.gallery.css

ReMooz.css

WebResource.axd

WebResource.axd

blank.gif

menudark.gif

Search_Arrow.jpg

WebResource.axd

ImageResize.aspx

ImageResize.aspx

ImageResize.aspx

ImageResize.aspx

ImageResize.aspx

ImageResize.aspx

ImageResize.aspx

ImageResize.aspx

ImageResize.aspx

ImageResize.aspx

ImageResize.aspx

ImageResize.aspx

ImageResize.aspx

ImageResize.aspx

ImageResize.aspx