Tools & Wizards About Us
envisys.de screenshot

Report Summary

  • 72

    Performance

    Renders faster than
    82% of other websites

  • 85

    Accessibility

    Visual factors better than
    that of 58% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 98

    SEO

    Google-friendlier than
    92% of websites

envisys.de

ENVISYS: Software für Energieberatung und Planung

Page Load Speed

7.2 sec in total

First Response

2.3 sec

Resources Loaded

4.5 sec

Page Rendered

430 ms

envisys.de screenshot

About Website

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

Software für Energieberatung und Neubauplanung von Wohn- und Nichtwohngebäuden, Erstellen von Vor-Ort-Beratung, Sanierungsfahrplan, iSFP, Energieausweis, Nachweis nach EnEV, EEWärmeG. Berechnungen nac...

Visit envisys.de

Key Findings

We analyzed Envisys.de page load time and found that the first response time was 2.3 sec and then it took 4.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

envisys.de performance score

72

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.0 s

85/100

10%

LCP (Largest Contentful Paint)

Value6.5 s

9/100

25%

SI (Speed Index)

Value4.1 s

79/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.012

100/100

15%

TTI (Time to Interactive)

Value4.4 s

84/100

10%

Network Requests Diagram

2259 ms

stylesheet_15e5175da3.css

110 ms

bildrahmen.css

207 ms

javascript_878b2b3c90.js

292 ms

bootstrap.min.css

389 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 Envisys.de and no external sources were called. The less responsive or slowest element that took the longest time to load (2.3 sec) belongs to the original domain Envisys.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 173.4 kB (13%)

Content Size

1.3 MB

After Optimization

1.2 MB

  • HTML
  • Images

In fact, the total size of Envisys.de main page is 1.3 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. 35% of websites need less resources to load. Images take 1.3 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 33.1 kB

  • Original 40.3 kB
  • After minification 37.0 kB
  • After compression 7.2 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 33.1 kB or 82% of the original size.

Image Optimization

-11%

Potential reduce by 140.3 kB

  • Original 1.3 MB
  • After minification 1.2 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. Obviously, ENVISYS needs image optimization as it can save up to 140.3 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

Requests Breakdown

Number of requests can be reduced by 19 (63%)

Requests Now

30

After Optimization

11

  • Images
  • JavaScript
  • CSS

The browser has sent 30 CSS, Javascripts, AJAX and image requests in order to completely render the main page of ENVISYS. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and from 13 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

2259 ms

stylesheet_15e5175da3.css

stylesheet_15e5175da3.css

110 ms

bildrahmen.css

bildrahmen.css

207 ms

javascript_878b2b3c90.js

javascript_878b2b3c90.js

292 ms

bootstrap.min.css

bootstrap.min.css

389 ms

all.css

all.css

297 ms

sticky-footer-navbar.css

sticky-footer-navbar.css

296 ms

add_software.css

add_software.css

301 ms

news-basic.css

news-basic.css

303 ms

navigation.css

navigation.css

394 ms

jquery.fancybox.css

jquery.fancybox.css

396 ms

swiper.css

swiper.css

397 ms

style.css

style.css

400 ms

style.css

style.css

409 ms

t3_shop_style.css

t3_shop_style.css

494 ms

cookieconsent.min.js

cookieconsent.min.js

534 ms

jquery.min.js

jquery.min.js

622 ms

bootstrap.min.js

bootstrap.min.js

536 ms

ie10-viewport-bug-workaround.js

ie10-viewport-bug-workaround.js

534 ms

jquery.fancybox.js

jquery.fancybox.js

535 ms

swiper.jquery.min.js

swiper.jquery.min.js

606 ms

main.js

main.js

608 ms

logo.png

logo.png

315 ms

logo2.png

logo2.png

317 ms

2024_02_geaenderte_Telefonzeiten.jpg

2024_02_geaenderte_Telefonzeiten.jpg

1465 ms

18599GS.jpg

18599GS.jpg

414 ms

csm_12_Nachhaltigkeit_Oekobilanz_a5e06c577e.jpg

csm_12_Nachhaltigkeit_Oekobilanz_a5e06c577e.jpg

889 ms

Akademie.png

Akademie.png

412 ms

teaser.jpg

teaser.jpg

602 ms

9_SFP_K_Wand.png

9_SFP_K_Wand.png

625 ms

icon_2.png

icon_2.png

507 ms

2E1380_1_0.woff

2E1380_1_0.woff

373 ms

fa-solid-900.woff

fa-solid-900.woff

549 ms

fa-regular-400.woff

fa-regular-400.woff

456 ms

Accessibility Review

envisys.de accessibility score

85

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

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

envisys.de 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

Page has valid source maps

SEO Factors

envisys.de SEO score

98

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 Envisys.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 Envisys.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

envisys.de

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