Tools & Wizards About Us
densys.univ-lorraine.fr screenshot

Report Summary

  • 14

    Performance

    Renders faster than
    26% of other websites

  • 93

    Accessibility

    Visual factors better than
    that of 80% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

densys.univ-lorraine.fr

DENSYS - Decentralised smart ENergy SYStems - DENSYS

Page Load Speed

8.5 sec in total

First Response

1.6 sec

Resources Loaded

5.9 sec

Page Rendered

924 ms

densys.univ-lorraine.fr screenshot

About Website

Visit densys.univ-lorraine.fr now to see the best up-to-date DENSYS Univ Lorraine content for France and also check out these interesting facts you probably never knew about densys.univ-lorraine.fr

Erasmus Mundus Joint Master Degree DENSYS is a collaborative joint master with the goal to provide training in the fields of Decentralised smart ENergy SYStems

Visit densys.univ-lorraine.fr

Key Findings

We analyzed Densys.univ-lorraine.fr page load time and found that the first response time was 1.6 sec and then it took 6.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

densys.univ-lorraine.fr performance score

14

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.4 s

2/100

10%

LCP (Largest Contentful Paint)

Value7.4 s

4/100

25%

SI (Speed Index)

Value16.4 s

0/100

10%

TBT (Total Blocking Time)

Value8,010 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.124

83/100

15%

TTI (Time to Interactive)

Value23.1 s

1/100

10%

Network Requests Diagram

densys.univ-lorraine.fr

1642 ms

autoptimize_3f860fd33aafb40dd3e0187d1142f284.css

270 ms

post-891.css

302 ms

post-119.css

301 ms

jquery.min.js

352 ms

Our browser made a total of 73 requests to load all elements on the main page. We found that 53% of them (39 requests) were addressed to the original Densys.univ-lorraine.fr, 41% (30 requests) were made to Ultv.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 (1.6 sec) belongs to the original domain Densys.univ-lorraine.fr.

Page Optimization Overview & Recommendations

Page size can be reduced by 138.8 kB (11%)

Content Size

1.3 MB

After Optimization

1.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Densys.univ-lorraine.fr main page is 1.3 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. Images take 807.2 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 84.1 kB

  • Original 101.4 kB
  • After minification 101.4 kB
  • After compression 17.3 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 84.1 kB or 83% of the original size.

Image Optimization

-6%

Potential reduce by 50.8 kB

  • Original 807.2 kB
  • After minification 756.4 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. DENSYS Univ Lorraine images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 877 B

  • Original 224.1 kB
  • After minification 224.1 kB
  • After compression 223.2 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. This website has mostly compressed JavaScripts.

CSS Optimization

-2%

Potential reduce by 3.0 kB

  • Original 138.9 kB
  • After minification 138.7 kB
  • After compression 135.8 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. Densys.univ-lorraine.fr has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 60 (88%)

Requests Now

68

After Optimization

8

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 68 CSS, Javascripts, AJAX and image requests in order to completely render the main page of DENSYS 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 47 to 1 for JavaScripts and from 15 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

densys.univ-lorraine.fr

densys.univ-lorraine.fr

1642 ms

autoptimize_3f860fd33aafb40dd3e0187d1142f284.css

autoptimize_3f860fd33aafb40dd3e0187d1142f284.css

270 ms

post-891.css

post-891.css

302 ms

post-119.css

post-119.css

301 ms

jquery.min.js

jquery.min.js

352 ms

jquery-migrate.min.js

jquery-migrate.min.js

260 ms

jquery.themepunch.tools.min.js

jquery.themepunch.tools.min.js

363 ms

jquery.themepunch.revolution.min.js

jquery.themepunch.revolution.min.js

434 ms

autoptimize_single_980d8c501c48b80ffbad5b15ee94fd22.js

autoptimize_single_980d8c501c48b80ffbad5b15ee94fd22.js

381 ms

css

css

41 ms

lazysizes.min.js

lazysizes.min.js

380 ms

hooks.min.js

hooks.min.js

379 ms

i18n.min.js

i18n.min.js

437 ms

autoptimize_single_2e187162915b1d22fd4558fee30f5613.js

autoptimize_single_2e187162915b1d22fd4558fee30f5613.js

439 ms

autoptimize_single_2912c657d0592cc532dff73d0d2ce7bb.js

autoptimize_single_2912c657d0592cc532dff73d0d2ce7bb.js

438 ms

imagesloaded.min.js

imagesloaded.min.js

440 ms

theme.min.js

theme.min.js

443 ms

drop-down-mobile-menu.min.js

drop-down-mobile-menu.min.js

539 ms

drop-down-search.min.js

drop-down-search.min.js

541 ms

magnific-popup.min.js

magnific-popup.min.js

541 ms

ow-lightbox.min.js

ow-lightbox.min.js

541 ms

flickity.pkgd.min.js

flickity.pkgd.min.js

537 ms

ow-slider.min.js

ow-slider.min.js

537 ms

scroll-effect.min.js

scroll-effect.min.js

602 ms

scroll-top.min.js

scroll-top.min.js

607 ms

select.min.js

select.min.js

607 ms

flickr.min.js

flickr.min.js

608 ms

perfect-scrollbar.min.js

perfect-scrollbar.min.js

615 ms

modal-window.min.js

modal-window.min.js

615 ms

autoptimize_single_91954b488a9bfcade528d6ff5c7ce83f.js

autoptimize_single_91954b488a9bfcade528d6ff5c7ce83f.js

688 ms

webpack.runtime.min.js

webpack.runtime.min.js

694 ms

frontend-modules.min.js

frontend-modules.min.js

699 ms

core.min.js

core.min.js

695 ms

frontend.min.js

frontend.min.js

702 ms

video.php

video.php

518 ms

cropped-densy2.0_header.png

cropped-densy2.0_header.png

266 ms

Simple-Line-Icons.ttf

Simple-Line-Icons.ttf

350 ms

eicons.woff

eicons.woff

457 ms

DENSYS_BandeauSite_2.png

DENSYS_BandeauSite_2.png

534 ms

densy2.0-quj3bwny22q5evx04m82yzsyrb3q39usgk2m2ujmrk.png

densy2.0-quj3bwny22q5evx04m82yzsyrb3q39usgk2m2ujmrk.png

415 ms

densys2.0_sdgs-1024x279.png

densys2.0_sdgs-1024x279.png

271 ms

video.php

video.php

437 ms

193 ms

jquery.min.js

jquery.min.js

174 ms

video-js.min.css

video-js.min.css

279 ms

video.min.js

video.min.js

597 ms

en.js

en.js

281 ms

videojs-seek-buttons.css

videojs-seek-buttons.css

257 ms

videojs-seek-buttons.min.js

videojs-seek-buttons.min.js

257 ms

video_cut.css

video_cut.css

257 ms

videojs-hls-quality-selector.css

videojs-hls-quality-selector.css

341 ms

videojs-contrib-quality-levels.min.js

videojs-contrib-quality-levels.min.js

342 ms

videojs-hls-quality-selector.min.js

videojs-hls-quality-selector.min.js

342 ms

silvermine-videojs-quality-selector.min.js

silvermine-videojs-quality-selector.min.js

364 ms

video_notes.css

video_notes.css

362 ms

video_notes.js

video_notes.js

426 ms

utils-playlist.js

utils-playlist.js

427 ms

video-header-favorites.js

video-header-favorites.js

426 ms

videojs-controlbar.css

videojs-controlbar.css

447 ms

videojs-logo-controlbar.js

videojs-logo-controlbar.js

448 ms

videojs-chapters.css

videojs-chapters.css

512 ms

videojs-chapters.js

videojs-chapters.js

510 ms

videojs-vtt-thumbnails.css

videojs-vtt-thumbnails.css

510 ms

videojs-vtt-thumbnails.min.js

videojs-vtt-thumbnails.min.js

532 ms

videojs-info-controlbar.js

videojs-info-controlbar.js

532 ms

bootstrap.min.css

bootstrap.min.css

632 ms

bootstrap.bundle.min.js

bootstrap.bundle.min.js

682 ms

631 ms

video-iframe.css

video-iframe.css

642 ms

style_ul.css

style_ul.css

642 ms

video-show.js

video-show.js

677 ms

88x31.png

88x31.png

37 ms

matomo.js

matomo.js

615 ms

Accessibility Review

densys.univ-lorraine.fr accessibility score

93

Accessibility Issues

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

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

Names and labels

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.

Impact

Issue

High

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

High

Links do not have a discernible name

Best Practices

densys.univ-lorraine.fr best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

densys.univ-lorraine.fr SEO score

93

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Links do not have descriptive text

Mobile Friendly

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/).

Impact

Issue

High

Document uses legible font sizes

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Densys.univ-lorraine.fr can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Densys.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

densys.univ-lorraine.fr

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