4.5 sec in total
206 ms
2.3 sec
2 sec
Welcome to otua.org homepage info - get ready to check OTUA best content right away, or after learning these important things about otua.org
OTUA - Office technique pour l'utilisation de l'acier. Pour tout savoir sur l'acier et ses utilisations
Visit otua.orgWe analyzed Otua.org page load time and found that the first response time was 206 ms and then it took 4.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.
otua.org performance score
name
value
score
weighting
Value4.7 s
13/100
10%
Value4.8 s
31/100
25%
Value6.9 s
33/100
10%
Value1,090 ms
24/100
30%
Value0.109
87/100
15%
Value6.1 s
63/100
10%
206 ms
143 ms
121 ms
140 ms
370 ms
Our browser made a total of 79 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 (707 ms) belongs to the original domain Otua.org.
Page size can be reduced by 55.1 kB (13%)
439.7 kB
384.6 kB
In fact, the total size of Otua.org main page is 439.7 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. 40% of websites need less resources to load. Images take 358.5 kB which makes up the majority of the site volume.
Potential reduce by 37.0 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.
Potential reduce by 14.3 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.
Potential reduce by 1.2 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.
Potential reduce by 2.6 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.
Number of requests can be reduced by 17 (24%)
70
53
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.
otua.org
206 ms
www.otua.org
143 ms
index.css
121 ms
jquery.pack.js
140 ms
jquery.history_remote.pack.js
370 ms
jquery.tabs.pack.js
168 ms
jquery.tabs.css
133 ms
ad.js
150 ms
jtip.js
488 ms
thickbox.js
260 ms
thickbox.css
261 ms
superfish.css
256 ms
interface.js
278 ms
AC_RunActiveContent.js
357 ms
slideshow.js
358 ms
slideshow.css
359 ms
email-decode.min.js
279 ms
footer.js
382 ms
logo-otua.gif
272 ms
bu_search.gif
299 ms
acier.gif
287 ms
bg-menu.gif
272 ms
man_loudspeaker.png
273 ms
concours-acier-2010.png
289 ms
concours-acier-2011.gif
333 ms
icon-bullet.gif
302 ms
icon-external.gif
307 ms
icon-info.gif
308 ms
calendrier.gif
331 ms
centre-secours-anzin.gif
333 ms
icon-fleche.gif
340 ms
chantier-viaduc-cotiere.gif
341 ms
pont-tabarly-nantes.gif
353 ms
tnp-villeurbanne.gif
351 ms
icon-pdf.gif
341 ms
basalte.gif
354 ms
hotel-ville-montpellier.jpg
405 ms
pont-du-bras-pirmil.gif
417 ms
palais-glisse-glace.gif
418 ms
lycee-marcel-sembat.gif
437 ms
casino-lille.gif
436 ms
cours-oxygene.gif
439 ms
parking-odysseum.gif
524 ms
viaduc-savoureuse.gif
517 ms
braque-chagall-miro.gif
512 ms
lycee-toulouse.gif
554 ms
zenith-st-etienne.gif
539 ms
ecole-nantes.gif
538 ms
pont-bordeaux.gif
613 ms
route-tamarins.jpg
617 ms
pont-loire.jpg
631 ms
halle-pajol-paris.jpg
665 ms
pont-levant-rouen.jpg
645 ms
icon-plus.gif
412 ms
garde-corps.gif
457 ms
produit-acier.gif
461 ms
bulletin-pont.gif
458 ms
europa.gif
491 ms
bg_button_a.gif
488 ms
bg_button_div.gif
467 ms
photo1.jpg
518 ms
photo2.jpg
522 ms
photo3.jpg
521 ms
photo4.jpg
537 ms
photo5.jpg
550 ms
photo6.jpg
563 ms
photo7.jpg
582 ms
photo8.jpg
602 ms
photo9.jpg
607 ms
photo10.jpg
707 ms
photo11.jpg
636 ms
photo12.jpg
650 ms
photo13.jpg
636 ms
photo14.jpg
647 ms
photo15.jpg
646 ms
bouton-adherent.gif
656 ms
infotua.gif
664 ms
bg-top.gif
695 ms
praetorium.jpg
657 ms
otua.org accessibility score
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
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
Image elements do not have [alt] attributes
Form elements do not have associated labels
otua.org best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Displays images with incorrect aspect ratio
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Issues were logged in the Issues panel in Chrome Devtools
otua.org SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Image elements do not have [alt] attributes
FR
FR
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.
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: