Tools & Wizards About Us
letterbox.fr screenshot

Report Summary

  • 21

    Performance

    Renders faster than
    39% of other websites

  • 88

    Accessibility

    Visual factors better than
    that of 68% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

letterbox.fr

Papeterie Fantaisie Paris - Vente en ligne - LetterBox

Page Load Speed

5.4 sec in total

First Response

260 ms

Resources Loaded

4.9 sec

Page Rendered

216 ms

letterbox.fr screenshot

About Website

Click here to check amazing Letter Box content. Otherwise, check out these important facts you probably never knew about letterbox.fr

Découvrez la boutique en ligne LetterBox Paris, Papeterie Fantaisie. Large choix de Carnets, Notebook, Posters & accessoires. Apica, Cavallini... LetterBox.fr

Visit letterbox.fr

Key Findings

We analyzed Letterbox.fr page load time and found that the first response time was 260 ms and then it took 5.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

letterbox.fr performance score

21

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.1 s

21/100

10%

LCP (Largest Contentful Paint)

Value8.2 s

2/100

25%

SI (Speed Index)

Value8.6 s

17/100

10%

TBT (Total Blocking Time)

Value1,480 ms

14/100

30%

CLS (Cumulative Layout Shift)

Value0.202

61/100

15%

TTI (Time to Interactive)

Value9.6 s

29/100

10%

Network Requests Diagram

letterbox.fr

260 ms

www.letterbox.fr

20 ms

www.letterbox.fr

448 ms

shared.css

314 ms

bootstrap-grid.css

343 ms

Our browser made a total of 166 requests to load all elements on the main page. We found that 51% of them (84 requests) were addressed to the original Letterbox.fr, 21% (35 requests) were made to Static.xx.fbcdn.net and 7% (12 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (2.1 sec) belongs to the original domain Letterbox.fr.

Page Optimization Overview & Recommendations

Page size can be reduced by 101.4 kB (7%)

Content Size

1.4 MB

After Optimization

1.3 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Letterbox.fr main page is 1.4 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 860.7 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 54.1 kB

  • Original 69.5 kB
  • After minification 68.7 kB
  • After compression 15.4 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 54.1 kB or 78% of the original size.

Image Optimization

-1%

Potential reduce by 11.0 kB

  • Original 860.7 kB
  • After minification 849.7 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. Letter Box images are well optimized though.

JavaScript Optimization

-4%

Potential reduce by 15.2 kB

  • Original 396.3 kB
  • After minification 396.1 kB
  • After compression 381.2 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.

CSS Optimization

-24%

Potential reduce by 21.1 kB

  • Original 87.0 kB
  • After minification 86.9 kB
  • After compression 65.8 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. Letterbox.fr needs all CSS files to be minified and compressed as it can save up to 21.1 kB or 24% of the original size.

Requests Breakdown

Number of requests can be reduced by 91 (61%)

Requests Now

149

After Optimization

58

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 149 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Letter Box. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 56 to 1 for JavaScripts and from 18 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

letterbox.fr

letterbox.fr

260 ms

www.letterbox.fr

www.letterbox.fr

20 ms

www.letterbox.fr

www.letterbox.fr

448 ms

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shared.css

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bootstrap-grid.css

343 ms

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style.css

300 ms

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Accessibility Review

letterbox.fr accessibility score

88

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-*] attributes do not match their roles

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.

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

Document doesn't have a <title> element

Best Practices

letterbox.fr best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

letterbox.fr SEO score

85

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

Document doesn't have a <title> element

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

Language and Encoding

  • Language Detected

    N/A

  • Language Claimed

    FR

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Letterbox.fr can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else), while the claimed language is French. Our system also found out that Letterbox.fr 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

letterbox.fr

Open Graph description is not detected on the main page of Letter Box. 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: