Tools & Wizards About Us
passivhaus.de screenshot

Report Summary

  • 24

    Performance

    Renders faster than
    43% of other websites

  • 88

    Accessibility

    Visual factors better than
    that of 68% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

passivhaus.de

Architektur- und TGA-Planungsbüro Carsten Grobe Passivhaus

Page Load Speed

4.7 sec in total

First Response

716 ms

Resources Loaded

3.7 sec

Page Rendered

284 ms

passivhaus.de screenshot

About Website

Click here to check amazing Passivhaus content for Germany. Otherwise, check out these important facts you probably never knew about passivhaus.de

Unser Schwerpunkt liegt bei der Architektur- und TGA-Planung von Wohn- und Nichtwohngebäuden im Passivhausstandard oder als Plusenergiegebäude.

Visit passivhaus.de

Key Findings

We analyzed Passivhaus.de page load time and found that the first response time was 716 ms and then it took 4 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

passivhaus.de performance score

24

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

67/100

10%

LCP (Largest Contentful Paint)

Value10.2 s

0/100

25%

SI (Speed Index)

Value9.5 s

11/100

10%

TBT (Total Blocking Time)

Value2,820 ms

3/100

30%

CLS (Cumulative Layout Shift)

Value0.075

95/100

15%

TTI (Time to Interactive)

Value13.3 s

12/100

10%

Network Requests Diagram

www.passivhaus.de

716 ms

jquery.min.js

200 ms

jquery-migrate.min.js

306 ms

lyte-min.js

274 ms

jquery.scrollTo.min.js

22 ms

Our browser made a total of 34 requests to load all elements on the main page. We found that 91% of them (31 requests) were addressed to the original Passivhaus.de, 6% (2 requests) were made to Cdn.jsdelivr.net and 3% (1 request) were made to Use.fontawesome.com. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Passivhaus.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 80.9 kB (3%)

Content Size

2.6 MB

After Optimization

2.5 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Passivhaus.de main page is 2.6 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 1.5 MB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 80.5 kB

  • Original 103.4 kB
  • After minification 103.4 kB
  • After compression 22.9 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 80.5 kB or 78% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 1.5 MB
  • After minification 1.5 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. Passivhaus images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 16 B

  • Original 769.4 kB
  • After minification 769.4 kB
  • After compression 769.3 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 394 B

  • Original 151.9 kB
  • After minification 151.9 kB
  • After compression 151.5 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. Passivhaus.de has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 7 (37%)

Requests Now

19

After Optimization

12

  • Images
  • JavaScript
  • CSS

The browser has sent 19 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Passivhaus. 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 as a result speed up the page load time.

Network Requests Diagram

www.passivhaus.de

www.passivhaus.de

716 ms

jquery.min.js

jquery.min.js

200 ms

jquery-migrate.min.js

jquery-migrate.min.js

306 ms

lyte-min.js

lyte-min.js

274 ms

jquery.scrollTo.min.js

jquery.scrollTo.min.js

22 ms

jquery.localScroll.min.js

jquery.localScroll.min.js

24 ms

core.min.js

core.min.js

282 ms

tabs.min.js

tabs.min.js

293 ms

autoptimize_4d38b415250c559dfeedd0b86e300d09.js

autoptimize_4d38b415250c559dfeedd0b86e300d09.js

957 ms

all.css

all.css

45 ms

box_shadow.png

box_shadow.png

302 ms

Daenischer-Pavillon_aussen_schmal_kl.jpg

Daenischer-Pavillon_aussen_schmal_kl.jpg

558 ms

Grundschule-Gronau.jpg

Grundschule-Gronau.jpg

878 ms

Modul-Kita_1.jpg

Modul-Kita_1.jpg

838 ms

LSB-Hannover_r.jpg

LSB-Hannover_r.jpg

866 ms

Bildungszentrum-Bad-Bederkesa_r.jpg

Bildungszentrum-Bad-Bederkesa_r.jpg

897 ms

Architekt.jpg

Architekt.jpg

761 ms

open-sans-normal-latin-ext.woff2

open-sans-normal-latin-ext.woff2

856 ms

istok-web-normal-latin-ext-400.woff2

istok-web-normal-latin-ext-400.woff2

668 ms

istok-web-normal-latin-ext-700.woff2

istok-web-normal-latin-ext-700.woff2

735 ms

open-sans-italic-latin-ext.woff2

open-sans-italic-latin-ext.woff2

735 ms

mfn-icons.woff

mfn-icons.woff

1105 ms

roboto-normal-latin-ext-400.woff2

roboto-normal-latin-ext-400.woff2

735 ms

roboto-normal-latin-ext-500.woff2

roboto-normal-latin-ext-500.woff2

764 ms

roboto-normal-latin-ext-300.woff2

roboto-normal-latin-ext-300.woff2

787 ms

roboto-normal-latin-ext-100.woff2

roboto-normal-latin-ext-100.woff2

798 ms

roboto-normal-latin-ext-700.woff2

roboto-normal-latin-ext-700.woff2

813 ms

autoptimize_cb599c7b4743b4ac7490d9de25cd74fb.css

autoptimize_cb599c7b4743b4ac7490d9de25cd74fb.css

208 ms

mfn-icons.ttf

mfn-icons.ttf

584 ms

roboto-italic-latin-ext-400.woff2

roboto-italic-latin-ext-400.woff2

104 ms

icons.woff

icons.woff

191 ms

lyteCache.php

lyteCache.php

105 ms

lytesprite.png

lytesprite.png

109 ms

mfn-icons.svg

mfn-icons.svg

367 ms

Accessibility Review

passivhaus.de accessibility score

88

Accessibility Issues

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.

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

passivhaus.de best practices score

83

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

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

passivhaus.de SEO score

90

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

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 Passivhaus.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 Passivhaus.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

passivhaus.de

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