Tools & Wizards About Us

Report Summary

  • 62

    Performance

    Renders faster than
    76% of other websites

  • 77

    Accessibility

    Visual factors better than
    that of 44% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 84

    SEO

    Google-friendlier than
    52% of websites

cad-constructor.de

jsDelivr - A free, fast, and reliable CDN for JS and open source

Page Load Speed

2.8 sec in total

First Response

649 ms

Resources Loaded

2 sec

Page Rendered

179 ms

About Website

Visit cad-constructor.de now to see the best up-to-date Cad Constructor content and also check out these interesting facts you probably never knew about cad-constructor.de

Optimized for JS and ESM delivery from npm and GitHub. Works with all web formats. Serving more than 150 billion requests per month.

Visit cad-constructor.de

Key Findings

We analyzed Cad-constructor.de page load time and found that the first response time was 649 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 45% of websites can load faster.

Performance Metrics

cad-constructor.de performance score

62

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.0 s

50/100

10%

LCP (Largest Contentful Paint)

Value4.6 s

36/100

25%

SI (Speed Index)

Value3.8 s

84/100

10%

TBT (Total Blocking Time)

Value450 ms

63/100

30%

CLS (Cumulative Layout Shift)

Value0.005

100/100

15%

TTI (Time to Interactive)

Value6.7 s

56/100

10%

Network Requests Diagram

cad-constructor.de

649 ms

cadcon_admin.css

325 ms

hg1px-transp.png

322 ms

home1.jpg

294 ms

ref2.jpg

294 ms

Our browser made a total of 34 requests to load all elements on the main page. We found that all of those requests were addressed to Cad-constructor.de and no external sources were called. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Cad-constructor.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 805.6 kB (70%)

Content Size

1.1 MB

After Optimization

341.1 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Cad-constructor.de 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 1.1 MB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 16.2 kB

  • Original 20.7 kB
  • After minification 19.8 kB
  • After compression 4.5 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 16.2 kB or 78% of the original size.

Image Optimization

-70%

Potential reduce by 749.4 kB

  • Original 1.1 MB
  • After minification 316.6 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. Obviously, Cad Constructor needs image optimization as it can save up to 749.4 kB or 70% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-65%

Potential reduce by 35.7 kB

  • Original 54.9 kB
  • After minification 54.9 kB
  • After compression 19.1 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 35.7 kB or 65% of the original size.

CSS Optimization

-83%

Potential reduce by 4.3 kB

  • Original 5.1 kB
  • After minification 4.3 kB
  • After compression 846 B

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. Cad-constructor.de needs all CSS files to be minified and compressed as it can save up to 4.3 kB or 83% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

33

After Optimization

33

  • Images
  • JavaScript
  • CSS

The browser has sent 33 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cad Constructor. According to our analytics all requests are already optimized.

Network Requests Diagram

Accessibility Review

cad-constructor.de accessibility score

77

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

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

cad-constructor.de best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

cad-constructor.de SEO score

84

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

    N/A

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Cad-constructor.de can be misinterpreted by Google and other search engines. Our service has detected that English 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 Cad-constructor.de main page’s claimed encoding is iso-8859-1. 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

Open Graph description is not detected on the main page of Cad Constructor. 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: