Report Summary

  • 96

    Performance

    Renders faster than
    94% of other websites

  • 82

    Accessibility

    Visual factors better than
    that of 52% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

nauticalfree.free.fr

Nautical Free - Carte marines gratuites & ouvrages nautiques en ligne

Page Load Speed

1.6 sec in total

First Response

488 ms

Resources Loaded

1 sec

Page Rendered

103 ms

nauticalfree.free.fr screenshot

About Website

Visit nauticalfree.free.fr now to see the best up-to-date Nautical Free content for France and also check out these interesting facts you probably never knew about nauticalfree.free.fr

Nautical Free fournit une liste de cartes marines gratuites et d'ouvrages nautiques en ligne. Il y a une liste par pays de la lettre A à la lettre V, pour chaque pays les organisations et pour chaque ...

Visit nauticalfree.free.fr

Key Findings

We analyzed Nauticalfree.free.fr page load time and found that the first response time was 488 ms and then it took 1.1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.

Performance Metrics

nauticalfree.free.fr performance score

96

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.3 s

98/100

10%

LCP (Largest Contentful Paint)

Value2.6 s

88/100

25%

SI (Speed Index)

Value1.3 s

100/100

10%

TBT (Total Blocking Time)

Value70 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0.012

100/100

15%

TTI (Time to Interactive)

Value3.4 s

93/100

10%

Network Requests Diagram

nauticalfree.free.fr

488 ms

js

61 ms

Book_FR_SHOM_1D.png

237 ms

Book_BR_DHN_Phares.png

238 ms

Book_NOAA_Coast_Pilot_1.jpg

182 ms

Our browser made a total of 12 requests to load all elements on the main page. We found that 75% of them (9 requests) were addressed to the original Nauticalfree.free.fr, 17% (2 requests) were made to St.free.fr and 8% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (488 ms) belongs to the original domain Nauticalfree.free.fr.

Page Optimization Overview & Recommendations

Page size can be reduced by 86.4 kB (27%)

Content Size

320.7 kB

After Optimization

234.3 kB

In fact, the total size of Nauticalfree.free.fr main page is 320.7 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. 15% of websites need less resources to load. Images take 235.2 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 63.7 kB

  • Original 81.2 kB
  • After minification 72.4 kB
  • After compression 17.5 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 8.8 kB, which is 11% 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 63.7 kB or 79% of the original size.

Image Optimization

-8%

Potential reduce by 19.7 kB

  • Original 235.2 kB
  • After minification 215.6 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. Nautical Free images are well optimized though.

JavaScript Optimization

-70%

Potential reduce by 3.0 kB

  • Original 4.3 kB
  • After minification 3.4 kB
  • After compression 1.3 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 3.0 kB or 70% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

11

After Optimization

11

The browser has sent 11 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Nautical Free. According to our analytics all requests are already optimized.

Accessibility Review

nauticalfree.free.fr accessibility score

82

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.

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

<dl>'s do not contain only properly-ordered <dt> and <dd> groups, <script>, <template> or <div> elements.

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

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

Best Practices

nauticalfree.free.fr best practices score

75

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

nauticalfree.free.fr SEO score

93

Search Engine Optimization Advices

Mobile Friendly

Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).

Impact

Issue

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Nauticalfree.free.fr can be misinterpreted by Google and other search engines. Our service has detected that English 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 Nauticalfree.free.fr 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 Nautical Free. 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: