Tools & Wizards About Us
vims.univ-nantes.io screenshot

Report Summary

  • 44

    Performance

    Renders faster than
    63% of other websites

  • 93

    Accessibility

    Visual factors better than
    that of 80% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

vims.univ-nantes.io

Cassini VIMS Data Portal - Laboratoire de Planétologie et Géosciences de Nantes

Page Load Speed

2.8 sec in total

First Response

292 ms

Resources Loaded

2.4 sec

Page Rendered

66 ms

vims.univ-nantes.io screenshot

About Website

Visit vims.univ-nantes.io now to see the best up-to-date VIMS Univ Nantes content and also check out these interesting facts you probably never knew about vims.univ-nantes.io

This website provides a synthetic overview of the Cassini VIMS dataset acquired between July 2004 and September 2017

Visit vims.univ-nantes.io

Key Findings

We analyzed Vims.univ-nantes.io page load time and found that the first response time was 292 ms and then it took 2.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

vims.univ-nantes.io performance score

44

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.1 s

21/100

10%

LCP (Largest Contentful Paint)

Value4.1 s

47/100

25%

SI (Speed Index)

Value7.4 s

27/100

10%

TBT (Total Blocking Time)

Value800 ms

36/100

30%

CLS (Cumulative Layout Shift)

Value0.012

100/100

15%

TTI (Time to Interactive)

Value13.0 s

13/100

10%

Network Requests Diagram

vims.univ-nantes.io

292 ms

vims.univ-nantes.io

430 ms

callback

407 ms

sign_in

311 ms

theme_light_gray-a86bc6d887b28c4f78e58e6b4e94068a7fd34ec205a1813db29bfb1d1713b1d1.css

262 ms

Our browser made a total of 18 requests to load all elements on the main page. We found that 11% of them (2 requests) were addressed to the original Vims.univ-nantes.io, 89% (16 requests) were made to Univ-nantes.io. The less responsive or slowest element that took the longest time to load (999 ms) relates to the external source Univ-nantes.io.

Page Optimization Overview & Recommendations

Page size can be reduced by 8.9 kB (63%)

Content Size

14.0 kB

After Optimization

5.2 kB

  • HTML

In fact, the total size of Vims.univ-nantes.io main page is 14.0 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 25% of websites need less resources to load. HTML takes 14.0 kB which makes up the majority of the site volume.

HTML Optimization

-63%

Potential reduce by 8.9 kB

  • Original 14.0 kB
  • After minification 14.0 kB
  • After compression 5.2 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 8.9 kB or 63% of the original size.

Requests Breakdown

Number of requests can be reduced by 12 (86%)

Requests Now

14

After Optimization

2

  • JavaScript
  • CSS

The browser has sent 14 CSS, Javascripts, AJAX and image requests in order to completely render the main page of VIMS Univ Nantes. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

vims.univ-nantes.io

vims.univ-nantes.io

292 ms

vims.univ-nantes.io

vims.univ-nantes.io

430 ms

callback

callback

407 ms

sign_in

sign_in

311 ms

theme_light_gray-a86bc6d887b28c4f78e58e6b4e94068a7fd34ec205a1813db29bfb1d1713b1d1.css

theme_light_gray-a86bc6d887b28c4f78e58e6b4e94068a7fd34ec205a1813db29bfb1d1713b1d1.css

262 ms

application-45a1c5dcac6ab55c1b924c47992ed649a5ac98e55dfc62e0d65b178128020aca.css

application-45a1c5dcac6ab55c1b924c47992ed649a5ac98e55dfc62e0d65b178128020aca.css

520 ms

login-660fdaa9890f80f230906e6c38f6b6244177e5b44410fe1c28bbf95d17c7e2e2.css

login-660fdaa9890f80f230906e6c38f6b6244177e5b44410fe1c28bbf95d17c7e2e2.css

265 ms

application_utilities-c6ae421159c939e85910ce1e3fa93d6e28020b51dc963cab6ecfb15e37a9a394.css

application_utilities-c6ae421159c939e85910ce1e3fa93d6e28020b51dc963cab6ecfb15e37a9a394.css

351 ms

fonts-115c4704cb8c77e2fdf3fd0243eebf164e2e9b54bbab7bf6a4c14868b865ddf8.css

fonts-115c4704cb8c77e2fdf3fd0243eebf164e2e9b54bbab7bf6a4c14868b865ddf8.css

268 ms

white-d478df4e07c820ddeb05c31f2e35e99b342003a070e653623db48c62bd536c3d.css

white-d478df4e07c820ddeb05c31f2e35e99b342003a070e653623db48c62bd536c3d.css

265 ms

runtime.73155d00.bundle.js

runtime.73155d00.bundle.js

577 ms

main.7d30c59f.chunk.js

main.7d30c59f.chunk.js

999 ms

commons-pages.search.show-super_sidebar.b5383a74.chunk.js

commons-pages.search.show-super_sidebar.b5383a74.chunk.js

654 ms

super_sidebar.08b9f628.chunk.js

super_sidebar.08b9f628.chunk.js

742 ms

commons-pages.profiles-pages.profiles.accounts.show-pages.profiles.comment_templates-pages.profiles.-c6f21f8d.75ade3ec.chunk.js

commons-pages.profiles-pages.profiles.accounts.show-pages.profiles.comment_templates-pages.profiles.-c6f21f8d.75ade3ec.chunk.js

667 ms

commons-pages.admin.sessions-pages.sessions-pages.sessions.new.90689363.chunk.js

commons-pages.admin.sessions-pages.sessions-pages.sessions.new.90689363.chunk.js

778 ms

commons-pages.registrations.new-pages.sessions.new.114fe5a7.chunk.js

commons-pages.registrations.new-pages.sessions.new.114fe5a7.chunk.js

866 ms

pages.sessions.new.a29907a3.chunk.js

pages.sessions.new.a29907a3.chunk.js

917 ms

Accessibility Review

vims.univ-nantes.io accessibility score

93

Accessibility Issues

ARIA

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.

Impact

Issue

High

[role]s are not contained by their required parent element

Best Practices

vims.univ-nantes.io best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

vims.univ-nantes.io SEO score

100

Search Engine Optimization Advices

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 Vims.univ-nantes.io 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 Vims.univ-nantes.io 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

vims.univ-nantes.io

Open Graph description is not detected on the main page of VIMS Univ Nantes. 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: