Tools & Wizards About Us
docteurs-chimie.org screenshot

Report Summary

  • 29

    Performance

    Renders faster than
    49% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 61% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 82

    SEO

    Google-friendlier than
    44% of websites

docteurs-chimie.org

First website for the employment of PhDs in Chemistry - Doctors of Chemistry

Page Load Speed

4.9 sec in total

First Response

1.7 sec

Resources Loaded

2.9 sec

Page Rendered

292 ms

docteurs-chimie.org screenshot

About Website

Click here to check amazing Docteurs Chimie content. Otherwise, check out these important facts you probably never knew about docteurs-chimie.org

The Docteurs-Chimie website offers a wide selection of the best offers for French and European Doctors and PhD students in Chemistry.

Visit docteurs-chimie.org

Key Findings

We analyzed Docteurs-chimie.org page load time and found that the first response time was 1.7 sec and then it took 3.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

docteurs-chimie.org performance score

29

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.2 s

20/100

10%

LCP (Largest Contentful Paint)

Value14.3 s

0/100

25%

SI (Speed Index)

Value10.3 s

8/100

10%

TBT (Total Blocking Time)

Value330 ms

75/100

30%

CLS (Cumulative Layout Shift)

Value0.505

16/100

15%

TTI (Time to Interactive)

Value12.5 s

14/100

10%

Network Requests Diagram

1700 ms

autoptimize_33caf2f7d6edbdd2b2a953d83a4a3ef5.css

32 ms

css

22 ms

dashicons.min.css

21 ms

css

129 ms

Our browser made a total of 45 requests to load all elements on the main page. We found that 56% of them (25 requests) were addressed to the original Docteurs-chimie.org, 29% (13 requests) were made to Fonts.gstatic.com and 7% (3 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (1.7 sec) belongs to the original domain Docteurs-chimie.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 251.4 kB (14%)

Content Size

1.8 MB

After Optimization

1.5 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Docteurs-chimie.org main page is 1.8 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. 75% 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 980.1 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 59.8 kB

  • Original 75.4 kB
  • After minification 75.4 kB
  • After compression 15.6 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 59.8 kB or 79% of the original size.

Image Optimization

-7%

Potential reduce by 65.0 kB

  • Original 980.1 kB
  • After minification 915.2 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. Docteurs Chimie images are well optimized though.

JavaScript Optimization

-16%

Potential reduce by 84.6 kB

  • Original 519.6 kB
  • After minification 519.6 kB
  • After compression 435.0 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 84.6 kB or 16% of the original size.

CSS Optimization

-20%

Potential reduce by 42.0 kB

  • Original 208.1 kB
  • After minification 208.1 kB
  • After compression 166.2 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. Docteurs-chimie.org needs all CSS files to be minified and compressed as it can save up to 42.0 kB or 20% of the original size.

Requests Breakdown

Number of requests can be reduced by 12 (41%)

Requests Now

29

After Optimization

17

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 29 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Docteurs Chimie. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

1700 ms

autoptimize_33caf2f7d6edbdd2b2a953d83a4a3ef5.css

autoptimize_33caf2f7d6edbdd2b2a953d83a4a3ef5.css

32 ms

css

css

22 ms

dashicons.min.css

dashicons.min.css

21 ms

css

css

129 ms

autoptimize_single_2e0270f8d2c2f60cb38498a8f8a916f6.css

autoptimize_single_2e0270f8d2c2f60cb38498a8f8a916f6.css

127 ms

autoptimize_single_843ca02588b4dbdab71a812f0d1c9433.css

autoptimize_single_843ca02588b4dbdab71a812f0d1c9433.css

129 ms

autoptimize_single_f5ff827064907c291666c246be4c5420.css

autoptimize_single_f5ff827064907c291666c246be4c5420.css

27 ms

css

css

128 ms

jquery.js

jquery.js

127 ms

jquery.easing.min.js

jquery.easing.min.js

127 ms

analytics.js

analytics.js

74 ms

wp-emoji-release.min.js

wp-emoji-release.min.js

117 ms

analytics.js

analytics.js

108 ms

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cropped-Logo-Docteurs-chimie-org-white-navbar.png

223 ms

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thisisengineering-raeng-GjSYEBUZdDo-unsplash-1920x500.jpg

269 ms

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thisisengineering-raeng-GjSYEBUZdDo-unsplash-scaled.jpg

131 ms

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thisisengineering-raeng-04y9odvfymw-unsplash.jpg

109 ms

ChimieWork-logo-1.png

ChimieWork-logo-1.png

109 ms

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logo_fondation_MdC_500.png

109 ms

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109 ms

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108 ms

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thisisengineering-raeng-GjSYEBUZdDo-unsplash-color-scaled.jpg

299 ms

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279 ms

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298 ms

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280 ms

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autoptimize_631f1e49ea39f42f89eee8baea1e4a4e.js

135 ms

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Logo-Docteurs-chimie-planche-300x110.png

539 ms

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linkedin-e1608479074467.png

276 ms

collect

collect

44 ms

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136 ms

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168 ms

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193 ms

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212 ms

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213 ms

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212 ms

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213 ms

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51 ms

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211 ms

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109 ms

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210 ms

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109 ms

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505 ms

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fontawesome-webfont.woff

518 ms

Accessibility Review

docteurs-chimie.org accessibility score

86

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

docteurs-chimie.org 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

High

Missing source maps for large first-party JavaScript

SEO Factors

docteurs-chimie.org SEO score

82

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Docteurs-chimie.org can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Docteurs-chimie.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

docteurs-chimie.org

Open Graph data is detected on the main page of Docteurs Chimie. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: