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otua.org screenshot

Report Summary

  • 87

    Performance

    Renders faster than
    89% of other websites

  • 68

    Accessibility

    Visual factors better than
    that of 33% of websites

  • 42

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

Page Load Speed

2.3 sec in total

First Response

32 ms

Resources Loaded

1.7 sec

Page Rendered

520 ms

otua.org screenshot

About Website

Welcome to otua.org homepage info - get ready to check Otua best content right away, or after learning these important things about otua.org

Visit otua.org

Key Findings

We analyzed Otua.org page load time and found that the first response time was 32 ms and then it took 2.2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

otua.org performance score

87

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.9 s

54/100

10%

LCP (Largest Contentful Paint)

Value3.0 s

79/100

25%

SI (Speed Index)

Value3.5 s

88/100

10%

TBT (Total Blocking Time)

Value40 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.109

87/100

15%

TTI (Time to Interactive)

Value3.0 s

95/100

10%

Network Requests Diagram

otua.org

32 ms

otua.org

122 ms

www.otua.org

27 ms

www.otua.org

142 ms

index.css

102 ms

Our browser made a total of 81 requests to load all elements on the main page. We found that all of those requests were addressed to Otua.org and no external sources were called. The less responsive or slowest element that took the longest time to load (646 ms) belongs to the original domain Otua.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 55.5 kB (12%)

Content Size

450.7 kB

After Optimization

395.2 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Otua.org main page is 450.7 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. 35% of websites need less resources to load. Images take 369.5 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 37.0 kB

  • Original 47.3 kB
  • After minification 44.4 kB
  • After compression 10.4 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 37.0 kB or 78% of the original size.

Image Optimization

-4%

Potential reduce by 14.7 kB

  • Original 369.5 kB
  • After minification 354.8 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. Otua images are well optimized though.

JavaScript Optimization

-5%

Potential reduce by 1.2 kB

  • Original 22.7 kB
  • After minification 22.7 kB
  • After compression 21.5 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

-24%

Potential reduce by 2.6 kB

  • Original 11.2 kB
  • After minification 11.2 kB
  • After compression 8.5 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. Otua.org needs all CSS files to be minified and compressed as it can save up to 2.6 kB or 24% of the original size.

Requests Breakdown

Number of requests can be reduced by 17 (24%)

Requests Now

70

After Optimization

53

  • Images
  • JavaScript
  • CSS

The browser has sent 70 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Otua. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

otua.org

otua.org

32 ms

otua.org

otua.org

122 ms

www.otua.org

www.otua.org

27 ms

www.otua.org

www.otua.org

142 ms

index.css

index.css

102 ms

jquery.pack.js

jquery.pack.js

131 ms

jquery.history_remote.pack.js

jquery.history_remote.pack.js

124 ms

jquery.tabs.pack.js

jquery.tabs.pack.js

115 ms

jquery.tabs.css

jquery.tabs.css

118 ms

ad.js

ad.js

127 ms

jtip.js

jtip.js

193 ms

thickbox.js

thickbox.js

217 ms

thickbox.css

thickbox.css

215 ms

superfish.css

superfish.css

227 ms

interface.js

interface.js

224 ms

AC_RunActiveContent.js

AC_RunActiveContent.js

226 ms

slideshow.js

slideshow.js

305 ms

slideshow.css

slideshow.css

314 ms

email-decode.min.js

email-decode.min.js

218 ms

footer.js

footer.js

352 ms

logo-otua.gif

logo-otua.gif

104 ms

acier.gif

acier.gif

99 ms

concours-acier-2010.png

concours-acier-2010.png

106 ms

concours-acier-2011.gif

concours-acier-2011.gif

117 ms

centre-secours-anzin.gif

centre-secours-anzin.gif

115 ms

chantier-viaduc-cotiere.gif

chantier-viaduc-cotiere.gif

104 ms

pont-tabarly-nantes.gif

pont-tabarly-nantes.gif

194 ms

tnp-villeurbanne.gif

tnp-villeurbanne.gif

202 ms

basalte.gif

basalte.gif

200 ms

hotel-ville-montpellier.jpg

hotel-ville-montpellier.jpg

205 ms

pont-du-bras-pirmil.gif

pont-du-bras-pirmil.gif

209 ms

palais-glisse-glace.gif

palais-glisse-glace.gif

209 ms

lycee-marcel-sembat.gif

lycee-marcel-sembat.gif

301 ms

casino-lille.gif

casino-lille.gif

306 ms

cours-oxygene.gif

cours-oxygene.gif

295 ms

parking-odysseum.gif

parking-odysseum.gif

356 ms

viaduc-savoureuse.gif

viaduc-savoureuse.gif

309 ms

braque-chagall-miro.gif

braque-chagall-miro.gif

312 ms

lycee-toulouse.gif

lycee-toulouse.gif

402 ms

zenith-st-etienne.gif

zenith-st-etienne.gif

399 ms

ecole-nantes.gif

ecole-nantes.gif

405 ms

pont-bordeaux.gif

pont-bordeaux.gif

409 ms

route-tamarins.jpg

route-tamarins.jpg

408 ms

pont-loire.jpg

pont-loire.jpg

451 ms

halle-pajol-paris.jpg

halle-pajol-paris.jpg

496 ms

pont-levant-rouen.jpg

pont-levant-rouen.jpg

514 ms

garde-corps.gif

garde-corps.gif

500 ms

produit-acier.gif

produit-acier.gif

505 ms

bulletin-pont.gif

bulletin-pont.gif

523 ms

europa.gif

europa.gif

546 ms

photo1.jpg

photo1.jpg

590 ms

photo2.jpg

photo2.jpg

597 ms

photo3.jpg

photo3.jpg

599 ms

photo4.jpg

photo4.jpg

625 ms

photo5.jpg

photo5.jpg

587 ms

photo6.jpg

photo6.jpg

599 ms

photo7.jpg

photo7.jpg

591 ms

photo8.jpg

photo8.jpg

597 ms

photo9.jpg

photo9.jpg

596 ms

photo10.jpg

photo10.jpg

623 ms

photo11.jpg

photo11.jpg

621 ms

photo12.jpg

photo12.jpg

640 ms

photo13.jpg

photo13.jpg

598 ms

photo14.jpg

photo14.jpg

602 ms

photo15.jpg

photo15.jpg

593 ms

infotua.gif

infotua.gif

620 ms

bu_search.gif

bu_search.gif

623 ms

bg-menu.gif

bg-menu.gif

646 ms

man_loudspeaker.png

man_loudspeaker.png

605 ms

icon-bullet.gif

icon-bullet.gif

595 ms

icon-external.gif

icon-external.gif

591 ms

icon-info.gif

icon-info.gif

614 ms

calendrier.gif

calendrier.gif

615 ms

icon-fleche.gif

icon-fleche.gif

594 ms

icon-pdf.gif

icon-pdf.gif

588 ms

icon-plus.gif

icon-plus.gif

588 ms

bg_button_a.gif

bg_button_a.gif

597 ms

bg_button_div.gif

bg_button_div.gif

610 ms

bouton-adherent.gif

bouton-adherent.gif

628 ms

bg-top.gif

bg-top.gif

592 ms

praetorium.jpg

praetorium.jpg

594 ms

Accessibility Review

otua.org accessibility score

68

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

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

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

Best Practices

otua.org best practices score

42

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

High

Browser errors were logged to the console

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

otua.org SEO score

69

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

Image elements do not have [alt] attributes

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 Otua.org 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 Otua.org 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

otua.org

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