Tools & Wizards About Us

Report Summary

  • 56

    Performance

    Renders faster than
    72% 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

  • 92

    SEO

    Google-friendlier than
    74% of websites

trading-dev.com

Conception de programmes spécifiques pour trader | TradingDev

Page Load Speed

2.6 sec in total

First Response

286 ms

Resources Loaded

2 sec

Page Rendered

296 ms

About Website

Click here to check amazing Trading Dev content. Otherwise, check out these important facts you probably never knew about trading-dev.com

Spécialistes de l'informatique et de la finance, nous concevons et développons des programmes, applications et robots de trading.

Visit trading-dev.com

Key Findings

We analyzed Trading-dev.com page load time and found that the first response time was 286 ms and then it took 2.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

trading-dev.com performance score

56

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.7 s

60/100

10%

LCP (Largest Contentful Paint)

Value7.3 s

5/100

25%

SI (Speed Index)

Value4.8 s

67/100

10%

TBT (Total Blocking Time)

Value40 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.295

40/100

15%

TTI (Time to Interactive)

Value6.7 s

56/100

10%

Network Requests Diagram

trading-dev.com

286 ms

trading-dev.com

319 ms

www.tradingdev.com

568 ms

foundation.css

174 ms

slick.css

234 ms

Our browser made a total of 28 requests to load all elements on the main page. We found that 7% of them (2 requests) were addressed to the original Trading-dev.com, 86% (24 requests) were made to Tradingdev.com and 7% (2 requests) were made to Ssl.google-analytics.com. The less responsive or slowest element that took the longest time to load (568 ms) relates to the external source Tradingdev.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 50.4 kB (4%)

Content Size

1.4 MB

After Optimization

1.3 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Trading-dev.com 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. 30% of websites need less resources to load. Images take 1.2 MB which makes up the majority of the site volume.

HTML Optimization

-72%

Potential reduce by 7.5 kB

  • Original 10.5 kB
  • After minification 8.7 kB
  • After compression 3.0 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 1.8 kB, which is 17% 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 7.5 kB or 72% of the original size.

Image Optimization

-3%

Potential reduce by 35.9 kB

  • Original 1.2 MB
  • After minification 1.1 MB

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. Trading Dev images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 1.9 kB

  • Original 159.3 kB
  • After minification 159.3 kB
  • After compression 157.5 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

-18%

Potential reduce by 5.1 kB

  • Original 28.6 kB
  • After minification 28.6 kB
  • After compression 23.5 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. Trading-dev.com needs all CSS files to be minified and compressed as it can save up to 5.1 kB or 18% of the original size.

Requests Breakdown

Number of requests can be reduced by 9 (43%)

Requests Now

21

After Optimization

12

  • Images
  • JavaScript
  • CSS

The browser has sent 21 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Trading Dev. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

trading-dev.com 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.

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

trading-dev.com best practices score

75

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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

trading-dev.com SEO score

92

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

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

    FR

  • Language Claimed

    FR

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Trading-dev.com 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 Trading-dev.com 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 Trading Dev. 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: