Report Summary

  • 34

    Performance

    Renders faster than
    54% of other websites

  • 70

    Accessibility

    Visual factors better than
    that of 36% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 67

    SEO

    Google-friendlier than
    25% of websites

nantes-wireless.org

Nantes-Wireless :: L'association des réseaux WiFi libres sur Nantes

Page Load Speed

2.4 sec in total

First Response

377 ms

Resources Loaded

1.9 sec

Page Rendered

119 ms

nantes-wireless.org screenshot

About Website

Welcome to nantes-wireless.org homepage info - get ready to check Nantes Wireless best content right away, or after learning these important things about nantes-wireless.org

Nantes-wireless est une association de loi 1901 qui a pour but la promotion des réseaux sans fil communautaires basés sur la technologie Wi-Fi dans la région de Nantes.

Visit nantes-wireless.org

Key Findings

We analyzed Nantes-wireless.org page load time and found that the first response time was 377 ms and then it took 2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

nantes-wireless.org performance score

34

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.3 s

7/100

10%

LCP (Largest Contentful Paint)

Value12.7 s

0/100

25%

SI (Speed Index)

Value16.1 s

0/100

10%

TBT (Total Blocking Time)

Value630 ms

47/100

30%

CLS (Cumulative Layout Shift)

Value0.011

100/100

15%

TTI (Time to Interactive)

Value8.1 s

41/100

10%

Network Requests Diagram

nantes-wireless.org

377 ms

316 ms

analytics.js

163 ms

styles.css

400 ms

logo_WM.png

136 ms

Our browser made a total of 7 requests to load all elements on the main page. We found that 14% of them (1 request) were addressed to the original Nantes-wireless.org, 71% (5 requests) were made to Web.archive.org and 14% (1 request) were made to Analytics.archive.org. The less responsive or slowest element that took the longest time to load (400 ms) relates to the external source Web.archive.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 21.5 kB (69%)

Content Size

31.3 kB

After Optimization

9.8 kB

In fact, the total size of Nantes-wireless.org main page is 31.3 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only 5% of websites need less resources to load. CSS take 18.2 kB which makes up the majority of the site volume.

HTML Optimization

-62%

Potential reduce by 1.4 kB

  • Original 2.2 kB
  • After minification 1.9 kB
  • After compression 850 B

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. This page needs HTML code to be minified as it can gain 337 B, which is 15% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 1.4 kB or 62% of the original size.

Image Optimization

-44%

Potential reduce by 4.1 kB

  • Original 9.2 kB
  • After minification 5.2 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. Obviously, Nantes Wireless needs image optimization as it can save up to 4.1 kB or 44% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-65%

Potential reduce by 1.0 kB

  • Original 1.6 kB
  • After minification 1.2 kB
  • After compression 553 B

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 1.0 kB or 65% of the original size.

CSS Optimization

-82%

Potential reduce by 15.0 kB

  • Original 18.2 kB
  • After minification 14.0 kB
  • After compression 3.2 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. Nantes-wireless.org needs all CSS files to be minified and compressed as it can save up to 15.0 kB or 82% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

5

After Optimization

5

The browser has sent 5 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Nantes Wireless. According to our analytics all requests are already optimized.

Accessibility Review

nantes-wireless.org accessibility score

70

Accessibility Issues

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

nantes-wireless.org 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

General

Impact

Issue

High

Browser errors were logged to the console

SEO Factors

nantes-wireless.org 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

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Nantes-wireless.org 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 Nantes-wireless.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

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