Tools & Wizards About Us
arts-et-metiers.net screenshot

Report Summary

  • 46

    Performance

    Renders faster than
    65% of other websites

  • 100

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 97

    SEO

    Google-friendlier than
    91% of websites

arts-et-metiers.net

Accueil | musée des Arts et Métiers

Page Load Speed

2.6 sec in total

First Response

330 ms

Resources Loaded

2 sec

Page Rendered

235 ms

arts-et-metiers.net screenshot

About Website

Welcome to arts-et-metiers.net homepage info - get ready to check Arts Et M Iers best content for United States right away, or after learning these important things about arts-et-metiers.net

En plein coeur de Paris, partez sur les traces des inventeurs et des aventuriers de l'histoire des techniques. Découvrez un patrimoine unique au monde de 2500 objets répartis sur 6 000 m2 !

Visit arts-et-metiers.net

Key Findings

We analyzed Arts-et-metiers.net page load time and found that the first response time was 330 ms and then it took 2.2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

arts-et-metiers.net performance score

46

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.9 s

51/100

10%

LCP (Largest Contentful Paint)

Value8.8 s

1/100

25%

SI (Speed Index)

Value6.1 s

44/100

10%

TBT (Total Blocking Time)

Value360 ms

72/100

30%

CLS (Cumulative Layout Shift)

Value0.15

76/100

15%

TTI (Time to Interactive)

Value8.9 s

34/100

10%

Network Requests Diagram

arts-et-metiers.net

330 ms

www.arts-et-metiers.net

408 ms

css_lQaZfjVpwP_oGNqdtWCSpJT1EMqXdMiU84ekLLxQnc4.css

82 ms

css_0rdNKyAx9df4tRKovKjnVDsGvZwVuYAKO-m17AAJ1Dk.css

165 ms

css_T5SLMQaYoeo6mAgchPk1wsjdfgRpgPN0iCbFOpUbhRg.css

165 ms

Our browser made a total of 45 requests to load all elements on the main page. We found that 71% of them (32 requests) were addressed to the original Arts-et-metiers.net, 11% (5 requests) were made to Fonts.gstatic.com and 9% (4 requests) were made to S7.addthis.com. The less responsive or slowest element that took the longest time to load (718 ms) belongs to the original domain Arts-et-metiers.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 867.2 kB (34%)

Content Size

2.6 MB

After Optimization

1.7 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Arts-et-metiers.net main page is 2.6 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. 50% of websites need less resources to load. Images take 1.4 MB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 110.9 kB

  • Original 146.1 kB
  • After minification 144.6 kB
  • After compression 35.2 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 110.9 kB or 76% of the original size.

Image Optimization

-1%

Potential reduce by 12.5 kB

  • Original 1.4 MB
  • After minification 1.4 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. Arts Et M Iers images are well optimized though.

JavaScript Optimization

-70%

Potential reduce by 651.4 kB

  • Original 925.2 kB
  • After minification 857.6 kB
  • After compression 273.8 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 651.4 kB or 70% of the original size.

CSS Optimization

-79%

Potential reduce by 92.4 kB

  • Original 117.3 kB
  • After minification 115.4 kB
  • After compression 24.9 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. Arts-et-metiers.net needs all CSS files to be minified and compressed as it can save up to 92.4 kB or 79% of the original size.

Requests Breakdown

Number of requests can be reduced by 23 (61%)

Requests Now

38

After Optimization

15

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 38 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Arts Et M Iers. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

arts-et-metiers.net

arts-et-metiers.net

330 ms

www.arts-et-metiers.net

www.arts-et-metiers.net

408 ms

css_lQaZfjVpwP_oGNqdtWCSpJT1EMqXdMiU84ekLLxQnc4.css

css_lQaZfjVpwP_oGNqdtWCSpJT1EMqXdMiU84ekLLxQnc4.css

82 ms

css_0rdNKyAx9df4tRKovKjnVDsGvZwVuYAKO-m17AAJ1Dk.css

css_0rdNKyAx9df4tRKovKjnVDsGvZwVuYAKO-m17AAJ1Dk.css

165 ms

css_T5SLMQaYoeo6mAgchPk1wsjdfgRpgPN0iCbFOpUbhRg.css

css_T5SLMQaYoeo6mAgchPk1wsjdfgRpgPN0iCbFOpUbhRg.css

165 ms

css_a9LBKdbeROUOOfTEvShVqXDpLORCyj9NMDx_YKS1sgY.css

css_a9LBKdbeROUOOfTEvShVqXDpLORCyj9NMDx_YKS1sgY.css

161 ms

css_j13pHrCeTOqzhrls8Z-0psbEBMK3T83y64-mwQC0zvA.css

css_j13pHrCeTOqzhrls8Z-0psbEBMK3T83y64-mwQC0zvA.css

240 ms

js_UWQINlriydSoeSiGQxToOUdv493zEa7dpsXC1OtYlZU.js

js_UWQINlriydSoeSiGQxToOUdv493zEa7dpsXC1OtYlZU.js

248 ms

js__LjKur0_Fu_rmyF-9psV5_R0feybJantfkuhBUAg2kg.js

js__LjKur0_Fu_rmyF-9psV5_R0feybJantfkuhBUAg2kg.js

248 ms

js_tqM8ZDAsSQgiRme0TOM0eYURS-R6jEU8hL6euVHh_Gg.js

js_tqM8ZDAsSQgiRme0TOM0eYURS-R6jEU8hL6euVHh_Gg.js

249 ms

lightbox.js

lightbox.js

250 ms

js_0trZQQBjG6rV2_WwG4EKVBqGb_QuySzeRHTRuQOhQKE.js

js_0trZQQBjG6rV2_WwG4EKVBqGb_QuySzeRHTRuQOhQKE.js

249 ms

js_OehgSzUL6d2XrTHF1CFEcw5KeG7pmE9K_4RfQNPWunw.js

js_OehgSzUL6d2XrTHF1CFEcw5KeG7pmE9K_4RfQNPWunw.js

332 ms

addthis_widget.js

addthis_widget.js

14 ms

css

css

27 ms

analytics.js

analytics.js

23 ms

collect

collect

113 ms

logo_cnam.png

logo_cnam.png

191 ms

search-button.png

search-button.png

87 ms

ico_lien_carrousel.png

ico_lien_carrousel.png

87 ms

ico_social_facebook.png

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89 ms

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89 ms

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89 ms

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190 ms

logo_footer.png

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190 ms

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toadOcfmlt9b38dHJxOBGJ6-ys_j0H4QL65VLqzI3wI.woff

97 ms

toadOcfmlt9b38dHJxOBGFkQc6VGVFSmCnC_l7QZG60.woff

toadOcfmlt9b38dHJxOBGFkQc6VGVFSmCnC_l7QZG60.woff

97 ms

toadOcfmlt9b38dHJxOBGHiec-hVyr2k4iOzEQsW1iE.woff

toadOcfmlt9b38dHJxOBGHiec-hVyr2k4iOzEQsW1iE.woff

97 ms

ODelI1aHBYDBqgeIAH2zlBM0YzuT7MdOe03otPbuUS0.woff

ODelI1aHBYDBqgeIAH2zlBM0YzuT7MdOe03otPbuUS0.woff

97 ms

toadOcfmlt9b38dHJxOBGNbE_oMaV8t2eFeISPpzbdE.woff

toadOcfmlt9b38dHJxOBGNbE_oMaV8t2eFeISPpzbdE.woff

97 ms

layers.3643cb2e25fb91c29386.js

layers.3643cb2e25fb91c29386.js

86 ms

300lo.json

300lo.json

72 ms

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99 ms

ico_fermer.png

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99 ms

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718 ms

cnam_0000332_004.jpg

cnam_0000332_004.jpg

479 ms

inbox-2.jpg

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401 ms

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640 ms

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717 ms

banniere_web.jpg

banniere_web.jpg

480 ms

ico_precedent_home.png

ico_precedent_home.png

481 ms

ico_suivant_home.png

ico_suivant_home.png

559 ms

sprite_carrousel_home.png

sprite_carrousel_home.png

560 ms

sh.7c7179124ea24ac6ba46caac.html

sh.7c7179124ea24ac6ba46caac.html

59 ms

fr.js

fr.js

38 ms

Accessibility Review

arts-et-metiers.net accessibility score

100

Accessibility Issues

Best Practices

arts-et-metiers.net best practices score

83

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

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

arts-et-metiers.net SEO score

97

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

    FR

  • Language Claimed

    FR

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Arts-et-metiers.net 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 Arts-et-metiers.net 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

arts-et-metiers.net

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