Tools & Wizards About Us
dumez-numismatique.com screenshot

Report Summary

  • 93

    Performance

    Renders faster than
    92% of other websites

  • 46

    Accessibility

    Visual factors better than
    that of 20% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 62

    SEO

    Google-friendlier than
    23% of websites

dumez-numismatique.com

Numismatique, monnaies anciennes, monnaies de collection, Thierry DUMEZ NUMISMATIQUE

Page Load Speed

2.6 sec in total

First Response

273 ms

Resources Loaded

2.1 sec

Page Rendered

237 ms

dumez-numismatique.com screenshot

About Website

Welcome to dumez-numismatique.com homepage info - get ready to check DUMEZ Numismatique best content for France right away, or after learning these important things about dumez-numismatique.com

Thierry Dumez Numismatique, vente en ligne de monnaies anciennes et monnaies de collection, livres de numismatique et fournitures pour numismates.

Visit dumez-numismatique.com

Key Findings

We analyzed Dumez-numismatique.com page load time and found that the first response time was 273 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

dumez-numismatique.com performance score

93

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.1 s

80/100

10%

LCP (Largest Contentful Paint)

Value2.5 s

89/100

25%

SI (Speed Index)

Value2.8 s

96/100

10%

TBT (Total Blocking Time)

Value10 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.089

92/100

15%

TTI (Time to Interactive)

Value2.5 s

98/100

10%

Network Requests Diagram

dumez-numismatique.com

273 ms

www.dumez-numismatique.com

471 ms

commun.css

91 ms

commun.js

192 ms

popmodal.css

285 ms

Our browser made a total of 57 requests to load all elements on the main page. We found that all of those requests were addressed to Dumez-numismatique.com and no external sources were called. The less responsive or slowest element that took the longest time to load (606 ms) belongs to the original domain Dumez-numismatique.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 102.1 kB (32%)

Content Size

319.6 kB

After Optimization

217.6 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Dumez-numismatique.com main page is 319.6 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. 20% of websites need less resources to load. Images take 119.6 kB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 61.5 kB

  • Original 71.5 kB
  • After minification 68.7 kB
  • After compression 10.0 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. 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 61.5 kB or 86% of the original size.

Image Optimization

-4%

Potential reduce by 4.8 kB

  • Original 119.6 kB
  • After minification 114.8 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. DUMEZ Numismatique images are well optimized though.

JavaScript Optimization

-27%

Potential reduce by 31.9 kB

  • Original 118.5 kB
  • After minification 118.4 kB
  • After compression 86.6 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 31.9 kB or 27% of the original size.

CSS Optimization

-38%

Potential reduce by 3.8 kB

  • Original 10.1 kB
  • After minification 9.8 kB
  • After compression 6.3 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. Dumez-numismatique.com needs all CSS files to be minified and compressed as it can save up to 3.8 kB or 38% of the original size.

Requests Breakdown

Number of requests can be reduced by 32 (59%)

Requests Now

54

After Optimization

22

  • Images
  • JavaScript
  • CSS

The browser has sent 54 CSS, Javascripts, AJAX and image requests in order to completely render the main page of DUMEZ Numismatique. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

dumez-numismatique.com

dumez-numismatique.com

273 ms

www.dumez-numismatique.com

www.dumez-numismatique.com

471 ms

commun.css

commun.css

91 ms

commun.js

commun.js

192 ms

popmodal.css

popmodal.css

285 ms

jquery.js

jquery.js

559 ms

popmodal.js

popmodal.js

376 ms

htmlspecialchars.js

htmlspecialchars.js

373 ms

langue.js

langue.js

373 ms

reset.css

reset.css

286 ms

core.css

core.css

286 ms

general.css

general.css

381 ms

interface.css

interface.css

381 ms

form.css

form.css

375 ms

logo-rgpd.png

logo-rgpd.png

96 ms

logo.gif

logo.gif

97 ms

espaceur.gif

espaceur.gif

93 ms

banniere.jpg

banniere.jpg

184 ms

caddymenu.gif

caddymenu.gif

94 ms

fleche_menu_article.gif

fleche_menu_article.gif

93 ms

paypal.gif

paypal.gif

185 ms

fr_on.gif

fr_on.gif

182 ms

en.gif

en.gif

185 ms

de.gif

de.gif

181 ms

loupesearch.gif

loupesearch.gif

184 ms

go.gif

go.gif

272 ms

attention_fr.gif

attention_fr.gif

274 ms

22773A.jpg

22773A.jpg

274 ms

22773R.jpg

22773R.jpg

272 ms

oeil.gif

oeil.gif

273 ms

caddy.gif

caddy.gif

274 ms

22774A.jpg

22774A.jpg

362 ms

22774R.jpg

22774R.jpg

362 ms

22625A.jpg

22625A.jpg

363 ms

22625R.jpg

22625R.jpg

362 ms

22624A.jpg

22624A.jpg

364 ms

22624R.jpg

22624R.jpg

364 ms

20544A.jpg

20544A.jpg

452 ms

20544R.jpg

20544R.jpg

451 ms

22747A.jpg

22747A.jpg

454 ms

22747R.jpg

22747R.jpg

452 ms

logo_netcomposant.gif

logo_netcomposant.gif

455 ms

logo_apygraph.gif

logo_apygraph.gif

453 ms

tickerFond.jpg

tickerFond.jpg

543 ms

news_fr.xml

news_fr.xml

539 ms

fond_maj.jpg

fond_maj.jpg

519 ms

bg_G.gif

bg_G.gif

519 ms

degrade_menu.jpg

degrade_menu.jpg

520 ms

degrade_centre.jpg

degrade_centre.jpg

521 ms

arrondi_G.gif

arrondi_G.gif

606 ms

arrondi_article.gif

arrondi_article.gif

545 ms

pointilles_vert.gif

pointilles_vert.gif

545 ms

pointilles_hor.gif

pointilles_hor.gif

542 ms

arrondi_D.gif

arrondi_D.gif

542 ms

bg_D.gif

bg_D.gif

544 ms

degrade_baspage_menu.jpg

degrade_baspage_menu.jpg

572 ms

degrade_baspage_centre.jpg

degrade_baspage_centre.jpg

572 ms

Accessibility Review

dumez-numismatique.com accessibility score

46

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.

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

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

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

dumez-numismatique.com best practices score

58

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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

dumez-numismatique.com SEO score

62

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

robots.txt is not valid

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

Language and Encoding

  • Language Detected

    FR

  • Language Claimed

    N/A

  • Encoding

    WINDOWS-1252

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Dumez-numismatique.com can be misinterpreted by Google and other search engines. Our service has detected that French 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 Dumez-numismatique.com main page’s claimed encoding is windows-1252. 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

dumez-numismatique.com

Open Graph description is not detected on the main page of DUMEZ Numismatique. 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: