Tools & Wizards About Us

Report Summary

  • 93

    Performance

    Renders faster than
    92% of other websites

  • 76

    Accessibility

    Visual factors better than
    that of 42% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

3dvbview.de

CAD-Viewer for OBJ, STL, DXF, 3DS and STEP2STL with Sources in Visual-Basic.NET for 3D Apps

Page Load Speed

1.9 sec in total

First Response

274 ms

Resources Loaded

1.5 sec

Page Rendered

131 ms

About Website

Visit 3dvbview.de now to see the best up-to-date 3D Vbview content and also check out these interesting facts you probably never knew about 3dvbview.de

CAD-Viewer Sourcecode Visual Basic.NET 2017/2019/2022 and DirectX11 with STEP-, OBJ-, DXF-, STL- und 3DS-Interface, Trackball, Picking, Pan, Zoom in Real Time for commericial Use without further licen...

Visit 3dvbview.de

Key Findings

We analyzed 3dvbview.de page load time and found that the first response time was 274 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

3dvbview.de performance score

93

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.3 s

75/100

10%

LCP (Largest Contentful Paint)

Value2.3 s

94/100

25%

SI (Speed Index)

Value2.8 s

95/100

10%

TBT (Total Blocking Time)

Value10 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value4.9 s

78/100

10%

Network Requests Diagram

3dvbview.de

274 ms

reset.css

90 ms

style.css

177 ms

template.css

178 ms

menu.css

179 ms

Our browser made a total of 44 requests to load all elements on the main page. We found that 84% of them (37 requests) were addressed to the original 3dvbview.de, 7% (3 requests) were made to Stetic.com and 5% (2 requests) were made to Cdnjs.cloudflare.com. The less responsive or slowest element that took the longest time to load (784 ms) relates to the external source Countercity.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 51.9 kB (12%)

Content Size

445.9 kB

After Optimization

394.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of 3dvbview.de main page is 445.9 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. 25% of websites need less resources to load. Images take 313.1 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 14.2 kB

  • Original 18.3 kB
  • After minification 17.0 kB
  • After compression 4.0 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 14.2 kB or 78% of the original size.

Image Optimization

-12%

Potential reduce by 36.8 kB

  • Original 313.1 kB
  • After minification 276.3 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, 3D Vbview needs image optimization as it can save up to 36.8 kB or 12% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-0%

Potential reduce by 400 B

  • Original 108.4 kB
  • After minification 108.4 kB
  • After compression 108.0 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. This website has mostly compressed JavaScripts.

CSS Optimization

-9%

Potential reduce by 532 B

  • Original 6.1 kB
  • After minification 6.1 kB
  • After compression 5.6 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. 3dvbview.de has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 32 (74%)

Requests Now

43

After Optimization

11

  • Images
  • JavaScript
  • CSS

The browser has sent 43 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 3D Vbview. 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 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

3dvbview.de accessibility score

76

Accessibility Issues

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

3dvbview.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

SEO Factors

3dvbview.de SEO score

79

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

    DE

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise 3dvbview.de can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it does not match the claimed German language. Our system also found out that 3dvbview.de 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 3D Vbview. 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: