Tools & Wizards About Us
rt60.net screenshot

Report Summary

  • 97

    Performance

    Renders faster than
    94% of other websites

  • 58

    Accessibility

    Visual factors better than
    that of 25% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 67

    SEO

    Google-friendlier than
    25% of websites

rt60.net

Le traitement acoustique des salles et des studios

Page Load Speed

931 ms in total

First Response

237 ms

Resources Loaded

524 ms

Page Rendered

170 ms

rt60.net screenshot

About Website

Click here to check amazing Rt 60 content for France. Otherwise, check out these important facts you probably never knew about rt60.net

RT60 vous aide à améliorer l'acoustique des locaux d'écoute, studios, auditoriums, cinémas, bibliothèques...

Visit rt60.net

Key Findings

We analyzed Rt60.net page load time and found that the first response time was 237 ms and then it took 694 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 10% of websites can load faster.

Performance Metrics

rt60.net performance score

97

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value0.7 s

100/100

10%

LCP (Largest Contentful Paint)

Value2.5 s

89/100

25%

SI (Speed Index)

Value0.8 s

100/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value0.7 s

100/100

10%

Network Requests Diagram

rt60.net

237 ms

gris8.gif

76 ms

rt60_b1.gif

160 ms

rt60_b2.gif

137 ms

rt60_b3.gif

139 ms

Our browser made a total of 15 requests to load all elements on the main page. We found that all of those requests were addressed to Rt60.net and no external sources were called. The less responsive or slowest element that took the longest time to load (288 ms) belongs to the original domain Rt60.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 5.5 kB (7%)

Content Size

78.9 kB

After Optimization

73.4 kB

  • HTML
  • Images

In fact, the total size of Rt60.net main page is 78.9 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. 15% of websites need less resources to load. Images take 71.7 kB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 5.3 kB

  • Original 7.2 kB
  • After minification 6.4 kB
  • After compression 1.8 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 5.3 kB or 74% of the original size.

Image Optimization

-0%

Potential reduce by 155 B

  • Original 71.7 kB
  • After minification 71.6 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. Rt 60 images are well optimized though.

Requests Breakdown

We found no issues to fix!

Requests Now

14

After Optimization

14

  • Images

The browser has sent 14 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Rt 60. According to our analytics all requests are already optimized.

Network Requests Diagram

rt60.net

rt60.net

237 ms

gris8.gif

gris8.gif

76 ms

rt60_b1.gif

rt60_b1.gif

160 ms

rt60_b2.gif

rt60_b2.gif

137 ms

rt60_b3.gif

rt60_b3.gif

139 ms

logo_anim2.gif

logo_anim2.gif

274 ms

rt60_b5.gif

rt60_b5.gif

139 ms

lemonde2.gif

lemonde2.gif

156 ms

ac4.jpg

ac4.jpg

202 ms

ac3.jpg

ac3.jpg

202 ms

ac7.jpg

ac7.jpg

210 ms

ac5.jpg

ac5.jpg

221 ms

ac6.jpg

ac6.jpg

220 ms

ac2.jpg

ac2.jpg

272 ms

compteur.gif

compteur.gif

288 ms

Accessibility Review

rt60.net accessibility score

58

Accessibility Issues

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

Links do not have a discernible name

Best Practices

rt60.net best practices score

67

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

SEO Factors

rt60.net SEO score

67

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

    N/A

  • Encoding

    WINDOWS-1252

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Rt60.net can be misinterpreted by Google and other search engines. Our service has detected that French is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Rt60.net main page’s claimed encoding is windows-1252. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

rt60.net

Open Graph description is not detected on the main page of Rt 60. 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: