Tools & Wizards About Us
nantes-wireless.org screenshot

Report Summary

  • 53

    Performance

    Renders faster than
    70% of other websites

  • 70

    Accessibility

    Visual factors better than
    that of 35% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 67

    SEO

    Google-friendlier than
    26% of websites

nantes-wireless.org

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

Page Load Speed

5.1 sec in total

First Response

340 ms

Resources Loaded

4.6 sec

Page Rendered

89 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 340 ms and then it took 4.7 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

nantes-wireless.org performance score

53

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.0 s

10/100

10%

LCP (Largest Contentful Paint)

Value10.3 s

0/100

25%

SI (Speed Index)

Value11.8 s

4/100

10%

TBT (Total Blocking Time)

Value70 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value6.0 s

64/100

10%

Network Requests Diagram

nantes-wireless.org

340 ms

1410 ms

analytics.js

141 ms

nantes-wireless.css

538 ms

chatchansjs.asp

495 ms

Our browser made a total of 21 requests to load all elements on the main page. We found that 5% of them (1 request) were addressed to the original Nantes-wireless.org, 86% (18 requests) were made to Web.archive.org and 5% (1 request) were made to Archive.org. The less responsive or slowest element that took the longest time to load (1.4 sec) relates to the external source Web.archive.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 24.7 kB (62%)

Content Size

40.0 kB

After Optimization

15.2 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Nantes-wireless.org main page is 40.0 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. Only 10% of websites need less resources to load. HTML takes 22.9 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 18.2 kB

  • Original 22.9 kB
  • After minification 17.0 kB
  • After compression 4.7 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. This page needs HTML code to be minified as it can gain 5.9 kB, which is 26% 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 18.2 kB or 80% of the original size.

Image Optimization

-7%

Potential reduce by 449 B

  • Original 6.0 kB
  • After minification 5.6 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. Nantes Wireless images are well optimized though.

JavaScript Optimization

-60%

Potential reduce by 3.9 kB

  • Original 6.5 kB
  • After minification 5.8 kB
  • After compression 2.6 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 3.9 kB or 60% of the original size.

CSS Optimization

-48%

Potential reduce by 2.2 kB

  • Original 4.5 kB
  • After minification 4.5 kB
  • After compression 2.4 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 2.2 kB or 48% of the original size.

Requests Breakdown

Number of requests can be reduced by 5 (31%)

Requests Now

16

After Optimization

11

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 16 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Nantes Wireless. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.

Network Requests Diagram

nantes-wireless.org

nantes-wireless.org

340 ms

1410 ms

analytics.js

analytics.js

141 ms

nantes-wireless.css

nantes-wireless.css

538 ms

chatchansjs.asp

chatchansjs.asp

495 ms

typographie.css

typographie.css

494 ms

habillage.css

habillage.css

338 ms

status_nw.php

status_nw.php

406 ms

spip_style.css

spip_style.css

519 ms

chanstats.php

chanstats.php

775 ms

logo_menu.gif

logo_menu.gif

524 ms

picto_net.gif

picto_net.gif

600 ms

background.jpg

background.jpg

670 ms

logo.gif

logo.gif

814 ms

logo_menu2.png

logo_menu2.png

715 ms

picto_irc.gif

picto_irc.gif

909 ms

bg_menu.gif

bg_menu.gif

965 ms

picto_mbr.gif

picto_mbr.gif

929 ms

picto_news.gif

picto_news.gif

757 ms

0.gif

0.gif

199 ms

bg_footer.gif

bg_footer.gif

780 ms

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

High

Page has valid source maps

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

    FR

  • Encoding

    ISO-8859-1

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 it matches the claimed language. Our system also found out that Nantes-wireless.org main page’s claimed encoding is iso-8859-1. 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

nantes-wireless.org

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: