Report Summary

  • 29

    Performance

    Renders faster than
    49% of other websites

  • 89

    Accessibility

    Visual factors better than
    that of 72% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 93

    SEO

    Google-friendlier than
    84% of websites

de.mathworks.com

MathWorks – Entwickler von MATLAB und Simulink - MATLAB & Simulink

Page Load Speed

3.1 sec in total

First Response

66 ms

Resources Loaded

2.7 sec

Page Rendered

281 ms

de.mathworks.com screenshot

About Website

Visit de.mathworks.com now to see the best up-to-date De Math Works content for China and also check out these interesting facts you probably never knew about de.mathworks.com

MathWorks ist der weltweit führende Anbieter von Technical Computing und Model-Based Design Software für Ingenieure und Wissenschaftler in Industrie, Forschung und Lehre.

Visit de.mathworks.com

Key Findings

We analyzed De.mathworks.com page load time and found that the first response time was 66 ms and then it took 3 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

de.mathworks.com performance score

29

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.7 s

62/100

10%

LCP (Largest Contentful Paint)

Value4.9 s

28/100

25%

SI (Speed Index)

Value10.8 s

6/100

10%

TBT (Total Blocking Time)

Value27,780 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value36.5 s

0/100

10%

Network Requests Diagram

de.mathworks.com

66 ms

domainRedirect.html

49 ms

domainRedirect.html

40 ms

www.mathworks.com

168 ms

satelliteLib-e8d23c2e444abadc572df06537e2def59c01db09.js

12 ms

Our browser made a total of 70 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original De.mathworks.com, 60% (42 requests) were made to Mathworks.com and 16% (11 requests) were made to Fonts.mathworks.com. The less responsive or slowest element that took the longest time to load (1.8 sec) relates to the external source Gtrk.s3.amazonaws.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 670.8 kB (31%)

Content Size

2.2 MB

After Optimization

1.5 MB

In fact, the total size of De.mathworks.com main page is 2.2 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 1.3 MB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 42.8 kB

  • Original 55.2 kB
  • After minification 52.4 kB
  • After compression 12.3 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 42.8 kB or 78% of the original size.

Image Optimization

-0%

Potential reduce by 6.2 kB

  • Original 1.3 MB
  • After minification 1.3 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. De Math Works images are well optimized though.

JavaScript Optimization

-71%

Potential reduce by 397.8 kB

  • Original 562.5 kB
  • After minification 520.4 kB
  • After compression 164.6 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 397.8 kB or 71% of the original size.

CSS Optimization

-85%

Potential reduce by 223.9 kB

  • Original 264.1 kB
  • After minification 222.1 kB
  • After compression 40.2 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. De.mathworks.com needs all CSS files to be minified and compressed as it can save up to 223.9 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 34 (62%)

Requests Now

55

After Optimization

21

The browser has sent 55 CSS, Javascripts, AJAX and image requests in order to completely render the main page of De Math Works. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 22 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

de.mathworks.com accessibility score

89

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 IDs are not unique

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

High

Some elements have a [tabindex] value greater than 0

Best Practices

de.mathworks.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

de.mathworks.com SEO score

93

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

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

    DE

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise De.mathworks.com can be misinterpreted by Google and other search engines. Our service has detected that German 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 De.mathworks.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 De Math Works. 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: