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inventer.de screenshot

Report Summary

  • 15

    Performance

    Renders faster than
    27% of other websites

  • 77

    Accessibility

    Visual factors better than
    that of 44% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 99

    SEO

    Google-friendlier than
    93% of websites

inventer.de

Dezentrale Lüftungsanlagen - unsichtbar, energieeffizient, lautlos

Page Load Speed

8.6 sec in total

First Response

216 ms

Resources Loaded

7.2 sec

Page Rendered

1.2 sec

inventer.de screenshot

About Website

Visit inventer.de now to see the best up-to-date Inventer content for Germany and also check out these interesting facts you probably never knew about inventer.de

Original dezentrale Wohnraumlüftung seit 1999. 5 Jahre Herstellergarantie. Kostenfreie Beratung und Planungsunterstützung.

Visit inventer.de

Key Findings

We analyzed Inventer.de page load time and found that the first response time was 216 ms and then it took 8.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

inventer.de performance score

15

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.5 s

2/100

10%

LCP (Largest Contentful Paint)

Value13.4 s

0/100

25%

SI (Speed Index)

Value14.2 s

1/100

10%

TBT (Total Blocking Time)

Value3,580 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0.085

93/100

15%

TTI (Time to Interactive)

Value26.5 s

0/100

10%

Network Requests Diagram

inventer.de

216 ms

www.inventer.de

675 ms

jquery.min.js

281 ms

jquery-migrate.min.js

371 ms

frontend.js

372 ms

Our browser made a total of 234 requests to load all elements on the main page. We found that 92% of them (216 requests) were addressed to the original Inventer.de, 3% (6 requests) were made to Use.typekit.net and 1% (3 requests) were made to Use.fontawesome.com. The less responsive or slowest element that took the longest time to load (1.3 sec) belongs to the original domain Inventer.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 802.6 kB (15%)

Content Size

5.2 MB

After Optimization

4.4 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Inventer.de main page is 5.2 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. Only a small number of websites need less resources to load. Images take 4.2 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 617.4 kB

  • Original 734.3 kB
  • After minification 716.4 kB
  • After compression 116.9 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 617.4 kB or 84% of the original size.

Image Optimization

-4%

Potential reduce by 184.1 kB

  • Original 4.2 MB
  • After minification 4.1 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. Inventer images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 1.2 kB

  • Original 211.6 kB
  • After minification 211.6 kB
  • After compression 210.4 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

-0%

Potential reduce by 0 B

  • Original 5 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.

Requests Breakdown

Number of requests can be reduced by 166 (78%)

Requests Now

214

After Optimization

48

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 214 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Inventer. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 63 to 1 for JavaScripts and from 105 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

inventer.de

inventer.de

216 ms

www.inventer.de

www.inventer.de

675 ms

jquery.min.js

jquery.min.js

281 ms

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371 ms

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371 ms

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peeljs.js

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draggable.min.js

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Accessibility Review

inventer.de accessibility score

77

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

Buttons do not have an accessible name

High

Form elements do not have associated labels

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.

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

Best Practices

inventer.de best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

inventer.de SEO score

99

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

    DE

  • Language Claimed

    DE

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Inventer.de can be misinterpreted by Google and other search engines. Our service has detected that German is used on the page, and it matches the claimed language. Our system also found out that Inventer.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

inventer.de

Open Graph data is detected on the main page of Inventer. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: