Access mines-nancy.univ-lorraine.fr. Mines Nancy : École d'ingénieurs, recherche, formation

name

value

score

weighting

FCP (First Contentful Paint)

Value5.7 s

5/100

10%

LCP (Largest Contentful Paint)

Value14.4 s

0/100

25%

SI (Speed Index)

Value10.9 s

6/100

10%

TBT (Total Blocking Time)

Value540 ms

54/100

30%

CLS (Cumulative Layout Shift)

Value0.003

100/100

15%

TTI (Time to Interactive)

Value14.1 s

9/100

10%

mines-nancy.univ-lorraine.fr

266 ms

mines-nancy.univ-lorraine.fr

1998 ms

iconfonts.css

95 ms

frontend.min.css

186 ms

css

49 ms

Our browser made a total of 86 requests to load all elements on the main page. We found that 88% of them (76 requests) were addressed to the original Mines-nancy.univ-lorraine.fr, 2% (2 requests) were made to Webstats.univ-lorraine.fr and 1% (1 request) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (2 sec) belongs to the original domain Mines-nancy.univ-lorraine.fr.

Content Size

4.7 MB

After Optimization

4.5 MB

In fact, the total size of Mines-nancy.univ-lorraine.fr main page is 4.7 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. 70% of websites need less resources to load. Images take 3.8 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 162.1 kB

Original 191.8 kB
After minification 151.7 kB
After compression 29.8 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. This page needs HTML code to be minified as it can gain 40.1 kB, which is 21% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 162.1 kB or 84% of the original size.

Image Optimization

-2%

Potential reduce by 86.0 kB

Original 3.8 MB
After minification 3.7 MB

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. Mines Nancy Univ Lorraine images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 9.1 kB

Original 623.6 kB
After minification 623.6 kB
After compression 614.5 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. This website has mostly compressed JavaScripts.

CSS Optimization

-2%

Potential reduce by 2.0 kB

Original 114.4 kB
After minification 114.4 kB
After compression 112.4 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. Mines-nancy.univ-lorraine.fr has all CSS files already compressed.

Requests Now

After Optimization

The browser has sent 78 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Mines Nancy Univ Lorraine. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 28 to 1 for JavaScripts and from 12 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

High

[aria-*] attributes do not match their roles

High

[aria-hidden="true"] elements contain focusable descendents

High

ARIA input fields do not have accessible names

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

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

Form elements do not have associated labels

High

Links do not have a discernible name

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

These items highlight common accessibility best practices.

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Areas of Improvement

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

Low

Detected JavaScript libraries

High

Issues were logged in the Issues panel in Chrome Devtools

Search Engine Optimization Advices

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

High

Tap targets are not sized appropriately

Language and Encoding

Language Detected

FR
Language Claimed

FR
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Mines-nancy.univ-lorraine.fr can be misinterpreted by Google and other search engines. Our service has detected that French is used on the page, and it matches the claimed language. Our system also found out that Mines-nancy.univ-lorraine.fr main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.

Social Sharing Optimization

mines-nancy.univ-lorraine.fr

Open Graph data is detected on the main page of Mines Nancy Univ Lorraine. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook:

Report Summary

Performance

Accessibility

Best Practices

SEO

Mines Nancy : École d'ingénieurs, recherche, formation

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

mines-nancy.univ-lorraine.fr

mines-nancy.univ-lorraine.fr

iconfonts.css

frontend.min.css

css

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

mines-nancy.univ-lorraine.fr

mines-nancy.univ-lorraine.fr

iconfonts.css

frontend.min.css

css

lity.min.css

style.min.css

styles.css

style.css

cf7mls.css

animate.min.css

app.css

algolia-autocomplete.css

jquery.min.js

jquery-migrate.min.js

frontend.js

events.js

lity.min.js

owl.carousel.min.js

api.js

flowflow.css

createjs-2015.11.26.min.js

modernizr.min.js

core.min.js

datepicker.min.js

index.js

index.js

scripts.js

element.js

cf7mls.js

underscore.min.js

wp-util.min.js

algoliasearch-lite.umd.js

autocomplete.min.js

autocomplete-noconflict.js

all.min.js

hcaptcha.js

hcaptcha-cf7.min.js

recaptcha__fr.js

piwik.js

gtm.js

mines-nancy-contrast.svg

admission-menu-illustration.jpg