Tools & Wizards About Us
edm.mersen.com screenshot

Report Summary

  • 33

    Performance

    Renders faster than
    53% of other websites

  • 72

    Accessibility

    Visual factors better than
    that of 37% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 89

    SEO

    Google-friendlier than
    66% of websites

edm.mersen.com

EDM Machining | Carbon Electrode | Graphite Grades | Ellor® | Mersen USA | World leader in Isostatic Graphite for EDM

Page Load Speed

1.9 sec in total

First Response

166 ms

Resources Loaded

1.5 sec

Page Rendered

211 ms

edm.mersen.com screenshot

About Website

Visit edm.mersen.com now to see the best up-to-date EDM Mersen content for United States and also check out these interesting facts you probably never knew about edm.mersen.com

Global expert in electrical power and advanced materials, Mersen designs innovative solutions to address its clients’ specific needs to enable them to optimize their manufacturing performance in secto...

Visit edm.mersen.com

Key Findings

We analyzed Edm.mersen.com page load time and found that the first response time was 166 ms and then it took 1.7 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

edm.mersen.com performance score

33

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.0 s

50/100

10%

LCP (Largest Contentful Paint)

Value8.5 s

1/100

25%

SI (Speed Index)

Value5.6 s

52/100

10%

TBT (Total Blocking Time)

Value1,330 ms

17/100

30%

CLS (Cumulative Layout Shift)

Value0.096

90/100

15%

TTI (Time to Interactive)

Value8.6 s

37/100

10%

Network Requests Diagram

edm.mersen.com

166 ms

edm.mersen.com

289 ms

css_VT.css

67 ms

css_8D.css

134 ms

css_Gd.css

348 ms

Our browser made a total of 44 requests to load all elements on the main page. We found that 89% of them (39 requests) were addressed to the original Edm.mersen.com, 5% (2 requests) were made to Fonts.googleapis.com and 2% (1 request) were made to Ajax.googleapis.com. The less responsive or slowest element that took the longest time to load (488 ms) belongs to the original domain Edm.mersen.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 84.7 kB (8%)

Content Size

1.1 MB

After Optimization

1.0 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Edm.mersen.com main page is 1.1 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 633.5 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 24.6 kB

  • Original 30.4 kB
  • After minification 26.8 kB
  • After compression 5.8 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 3.6 kB, which is 12% 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 24.6 kB or 81% of the original size.

Image Optimization

-0%

Potential reduce by 982 B

  • Original 633.5 kB
  • After minification 632.5 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. EDM Mersen images are well optimized though.

JavaScript Optimization

-15%

Potential reduce by 55.6 kB

  • Original 368.4 kB
  • After minification 368.4 kB
  • After compression 312.8 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 55.6 kB or 15% of the original size.

CSS Optimization

-4%

Potential reduce by 3.6 kB

  • Original 85.7 kB
  • After minification 85.7 kB
  • After compression 82.2 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. Edm.mersen.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 26 (67%)

Requests Now

39

After Optimization

13

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 39 CSS, Javascripts, AJAX and image requests in order to completely render the main page of EDM Mersen. 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 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

edm.mersen.com

edm.mersen.com

166 ms

edm.mersen.com

edm.mersen.com

289 ms

css_VT.css

css_VT.css

67 ms

css_8D.css

css_8D.css

134 ms

css_Gd.css

css_Gd.css

348 ms

jquery.min.js

jquery.min.js

24 ms

js

js

62 ms

js_2G.js

js_2G.js

488 ms

js_xP.js

js_xP.js

275 ms

leaflet.js

leaflet.js

277 ms

js_NN.js

js_NN.js

203 ms

logo.png

logo.png

90 ms

hand1366.jpg

hand1366.jpg

189 ms

wisconsin1191366.jpg

wisconsin1191366.jpg

270 ms

mersen0601366.jpg

mersen0601366.jpg

333 ms

mersen2181366.jpg

mersen2181366.jpg

204 ms

DS4GraphicHomePg.jpg

DS4GraphicHomePg.jpg

189 ms

degree2.jpg

degree2.jpg

190 ms

bg-ft.png

bg-ft.png

196 ms

logo-footer_0.png

logo-footer_0.png

201 ms

flag-argentina.png

flag-argentina.png

228 ms

flag-brazil.png

flag-brazil.png

262 ms

flag-chile.png

flag-chile.png

269 ms

flag-colombia.png

flag-colombia.png

270 ms

flag-peru.png

flag-peru.png

289 ms

flag-usa.png

flag-usa.png

327 ms

flag-china.png

flag-china.png

332 ms

flag-india.png

flag-india.png

337 ms

flag-japan.png

flag-japan.png

337 ms

flag-south-korea.png

flag-south-korea.png

356 ms

flag-austria.png

flag-austria.png

392 ms

flag-france.png

flag-france.png

398 ms

flag-germany.png

flag-germany.png

398 ms

flag-italy.png

flag-italy.png

400 ms

flag-russia.png

flag-russia.png

404 ms

flag-spain.png

flag-spain.png

422 ms

flag-switzerland.png

flag-switzerland.png

457 ms

flag-turkey.png

flag-turkey.png

464 ms

mersen.woff

mersen.woff

379 ms

css

css

30 ms

css

css

16 ms

font

font

22 ms

mersen.woff2

mersen.woff2

66 ms

mersen.ttf

mersen.ttf

68 ms

Accessibility Review

edm.mersen.com accessibility score

72

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

High

[aria-hidden="true"] elements contain focusable descendents

High

ARIA input fields do not have accessible names

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

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

Buttons do not have an accessible name

High

Links do not have a discernible name

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

edm.mersen.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

High

Missing source maps for large first-party JavaScript

SEO Factors

edm.mersen.com SEO score

89

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

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Edm.mersen.com 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 Edm.mersen.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

edm.mersen.com

Open Graph description is not detected on the main page of EDM Mersen. 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: