Tools & Wizards About Us
obs-vlfr.fr screenshot

Report Summary

  • 26

    Performance

    Renders faster than
    45% of other websites

  • 95

    Accessibility

    Visual factors better than
    that of 86% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 95

    SEO

    Google-friendlier than
    90% of websites

obs-vlfr.fr

> - Observatoire Océanologique de Villefranche sur Mer

Page Load Speed

6.8 sec in total

First Response

1.9 sec

Resources Loaded

4.3 sec

Page Rendered

580 ms

obs-vlfr.fr screenshot

About Website

Visit obs-vlfr.fr now to see the best up-to-date Obs Vlfr content for Madagascar and also check out these interesting facts you probably never knew about obs-vlfr.fr

Ecole interne de l'Université Pierre et Marie Curie, sous la tutelle du CNRS, l'Observatoire Océanologique de Villefranche-sur-Mer constitue le campus français le plus complet en sciences de la mer. I...

Visit obs-vlfr.fr

Key Findings

We analyzed Obs-vlfr.fr page load time and found that the first response time was 1.9 sec and then it took 4.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

obs-vlfr.fr performance score

26

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.4 s

6/100

10%

LCP (Largest Contentful Paint)

Value18.6 s

0/100

25%

SI (Speed Index)

Value10.7 s

7/100

10%

TBT (Total Blocking Time)

Value910 ms

31/100

30%

CLS (Cumulative Layout Shift)

Value0.032

100/100

15%

TTI (Time to Interactive)

Value18.4 s

3/100

10%

Network Requests Diagram

index.php

1881 ms

jcemediabox.css

183 ms

style.css

185 ms

modal.css

188 ms

normalize.css

191 ms

Our browser made a total of 134 requests to load all elements on the main page. We found that 63% of them (85 requests) were addressed to the original Obs-vlfr.fr, 15% (20 requests) were made to Pbs.twimg.com and 7% (10 requests) were made to Google.com. The less responsive or slowest element that took the longest time to load (1.9 sec) belongs to the original domain Obs-vlfr.fr.

Page Optimization Overview & Recommendations

Page size can be reduced by 650.9 kB (29%)

Content Size

2.2 MB

After Optimization

1.6 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Obs-vlfr.fr 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. 65% of websites need less resources to load. Images take 1.3 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 83.6 kB

  • Original 103.4 kB
  • After minification 99.1 kB
  • After compression 19.9 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 83.6 kB or 81% of the original size.

Image Optimization

-1%

Potential reduce by 13.1 kB

  • Original 1.3 MB
  • After minification 1.3 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. Obs Vlfr images are well optimized though.

JavaScript Optimization

-63%

Potential reduce by 339.7 kB

  • Original 537.4 kB
  • After minification 523.7 kB
  • After compression 197.8 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 339.7 kB or 63% of the original size.

CSS Optimization

-82%

Potential reduce by 214.6 kB

  • Original 260.9 kB
  • After minification 211.5 kB
  • After compression 46.3 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. Obs-vlfr.fr needs all CSS files to be minified and compressed as it can save up to 214.6 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 50 (47%)

Requests Now

107

After Optimization

57

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 107 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Obs Vlfr. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 21 to 1 for JavaScripts and from 31 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

index.php

index.php

1881 ms

jcemediabox.css

jcemediabox.css

183 ms

style.css

style.css

185 ms

modal.css

modal.css

188 ms

normalize.css

normalize.css

191 ms

layout.css

layout.css

185 ms

joomla.css

joomla.css

188 ms

system.css

system.css

273 ms

template.css

template.css

277 ms

menu.css

menu.css

278 ms

font-awesome.css

font-awesome.css

279 ms

gk.stuff.css

gk.stuff.css

281 ms

jomsocial.css

jomsocial.css

282 ms

style2.css

style2.css

365 ms

tomtopbar.css

tomtopbar.css

368 ms

typography.style2.css

typography.style2.css

369 ms

override.css

override.css

372 ms

css

css

23 ms

rounded.css

rounded.css

374 ms

style.css

style.css

374 ms

style2.css

style2.css

456 ms

style.css

style.css

459 ms

mootools-core.js

mootools-core.js

558 ms

core.js

core.js

464 ms

caption.js

caption.js

462 ms

jcemediabox.js

jcemediabox.js

554 ms

mootools-more.js

mootools-more.js

740 ms

modal.js

modal.js

550 ms

gk.scripts.js

gk.scripts.js

551 ms

gk.menu.js

gk.menu.js

552 ms

jquery.js

jquery.js

783 ms

jquery.noconflict.js

jquery.noconflict.js

643 ms

engine.mootools.js

engine.mootools.js

644 ms

engine.mootools.js

engine.mootools.js

646 ms

engine.mootools.js

engine.mootools.js

654 ms

script.mootools.js

script.mootools.js

734 ms

pattern11.png

pattern11.png

108 ms

loader.gif

loader.gif

108 ms

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342 ms

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109 ms

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190 ms

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342 ms

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c2_donnees-obs01.jpg

343 ms

c2_glider1.jpg

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384 ms

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c2_enseignement1.jpg

343 ms

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468 ms

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561 ms

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391 ms

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392 ms

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392 ms

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474 ms

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484 ms

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485 ms

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486 ms

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557 ms

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564 ms

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578 ms

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576 ms

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578 ms

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654 ms

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655 ms

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669 ms

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677 ms

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679 ms

easyblog_images.972.BlueCoralactuportail.JPG

easyblog_images.972.BlueCoralactuportail.JPG

678 ms

easyblog_images.972.SP8-newsactuportail.jpg

easyblog_images.972.SP8-newsactuportail.jpg

738 ms

easyblog_images.970.01_22_2016_photoAC_NMactuportail.jpg

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741 ms

easyblog_images.970.CIMG5866_Credits---Ictineu-Submarins-SL_900pxactuportail.jpg

easyblog_images.970.CIMG5866_Credits---Ictineu-Submarins-SL_900pxactuportail.jpg

761 ms

easyblog_images.975.Capture-Eactuportail.jpg

easyblog_images.975.Capture-Eactuportail.jpg

773 ms

cse.js

cse.js

54 ms

easyblog_images.975.Capture-dcran-2016-01-13--09.26.40actuportail.jpg

easyblog_images.975.Capture-dcran-2016-01-13--09.26.40actuportail.jpg

719 ms

CcKI4k9un7TZVWzRVT-T8y3USBnSvpkopQaUR-2r7iU.ttf

CcKI4k9un7TZVWzRVT-T8y3USBnSvpkopQaUR-2r7iU.ttf

47 ms

bIcY3_3JNqUVRAQQRNVteQ.ttf

bIcY3_3JNqUVRAQQRNVteQ.ttf

48 ms

-_Ctzj9b56b8RgXW8FAriS3USBnSvpkopQaUR-2r7iU.ttf

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47 ms

widgets.js

widgets.js

84 ms

cse.js

cse.js

100 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

779 ms

popup.html

popup.html

732 ms

tooltip.html

tooltip.html

733 ms

timeline.d11f7a3b3287fb94220e8ee6d03cc772.js

timeline.d11f7a3b3287fb94220e8ee6d03cc772.js

182 ms

glyphicons-halflings-regular.woff

glyphicons-halflings-regular.woff

682 ms

easyblog_images.972.omero-movincell-4actuportail.png

easyblog_images.972.omero-movincell-4actuportail.png

696 ms

easyblog_images.975.Image_orensactuportail.jpg

easyblog_images.975.Image_orensactuportail.jpg

695 ms

jsapi

jsapi

31 ms

default+fr.css

default+fr.css

5 ms

default.css

default.css

39 ms

default+fr.I.js

default+fr.I.js

10 ms

default.css

default.css

63 ms

async-ads.js

async-ads.js

64 ms

google_custom_search_watermark.gif

google_custom_search_watermark.gif

60 ms

small-logo.png

small-logo.png

43 ms

search_box_icon.png

search_box_icon.png

43 ms

clear.gif

clear.gif

44 ms

nav_logo114.png

nav_logo114.png

46 ms

easyblog_images.970.logocorbel2actuportail.jpg

easyblog_images.970.logocorbel2actuportail.jpg

587 ms

logoCNRS-350.jpg

logoCNRS-350.jpg

591 ms

logoUPMC-350.jpg

logoUPMC-350.jpg

618 ms

logo01.png

logo01.png

621 ms

syndication

syndication

95 ms

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209 ms

proxy.jpg

proxy.jpg

244 ms

proxy.jpg

proxy.jpg

385 ms

timeline.47ab5d19e8ed22531abcf4f86f3ae53a.light.ltr.css

timeline.47ab5d19e8ed22531abcf4f86f3ae53a.light.ltr.css

33 ms

timeline.47ab5d19e8ed22531abcf4f86f3ae53a.light.ltr.css

timeline.47ab5d19e8ed22531abcf4f86f3ae53a.light.ltr.css

72 ms

LJ0pFhNJ_normal.jpeg

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161 ms

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185 ms

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239 ms

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353 ms

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293 ms

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295 ms

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296 ms

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479 ms

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500 ms

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497 ms

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38 ms

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75 ms

proxy.jpg

proxy.jpg

248 ms

small.desktop.css

small.desktop.css

94 ms

jot.html

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27 ms

tablet.css

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94 ms

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94 ms

mobile.css

mobile.css

94 ms

Accessibility Review

obs-vlfr.fr accessibility score

95

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

obs-vlfr.fr best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

obs-vlfr.fr SEO score

95

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

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 Obs-vlfr.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 Obs-vlfr.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

obs-vlfr.fr

Open Graph description is not detected on the main page of Obs Vlfr. 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: