Tools & Wizards About Us
ig-passivhaus.de screenshot

Report Summary

  • 98

    Performance

    Renders faster than
    95% of other websites

  • 59

    Accessibility

    Visual factors better than
    that of 26% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 67

    SEO

    Google-friendlier than
    26% of websites

ig-passivhaus.de

IG-Passivhaus / Informations-Gemeinschaft Passivhaus Deutschland

Page Load Speed

2.6 sec in total

First Response

256 ms

Resources Loaded

1.9 sec

Page Rendered

371 ms

ig-passivhaus.de screenshot

About Website

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

IG Passivhaus, Informationsgemeinschaft Passivhaus Deutschland: Netzwerk für Information, Qualität und Weiterbildung

Visit ig-passivhaus.de

Key Findings

We analyzed Ig-passivhaus.de page load time and found that the first response time was 256 ms and then it took 2.3 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

ig-passivhaus.de performance score

98

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.9 s

87/100

10%

LCP (Largest Contentful Paint)

Value2.0 s

97/100

25%

SI (Speed Index)

Value2.7 s

96/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value1.9 s

100/100

10%

Network Requests Diagram

ig-passivhaus.de

256 ms

ig-passivhaus.de

448 ms

jquery-1.3.2.min.js

111 ms

fre.js

214 ms

swissarmy.js

308 ms

Our browser made a total of 46 requests to load all elements on the main page. We found that 96% of them (44 requests) were addressed to the original Ig-passivhaus.de, 4% (2 requests) were made to Piwik.passiv.net. The less responsive or slowest element that took the longest time to load (917 ms) belongs to the original domain Ig-passivhaus.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 293.6 kB (31%)

Content Size

934.7 kB

After Optimization

641.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Ig-passivhaus.de main page is 934.7 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. 35% of websites need less resources to load. Images take 810.1 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 49.4 kB

  • Original 61.7 kB
  • After minification 59.4 kB
  • After compression 12.3 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 49.4 kB or 80% of the original size.

Image Optimization

-29%

Potential reduce by 236.3 kB

  • Original 810.1 kB
  • After minification 573.8 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, IG Passivhaus needs image optimization as it can save up to 236.3 kB or 29% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-12%

Potential reduce by 7.0 kB

  • Original 59.8 kB
  • After minification 59.4 kB
  • After compression 52.8 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 7.0 kB or 12% of the original size.

CSS Optimization

-33%

Potential reduce by 1.0 kB

  • Original 3.1 kB
  • After minification 3.1 kB
  • After compression 2.1 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. Ig-passivhaus.de needs all CSS files to be minified and compressed as it can save up to 1.0 kB or 33% of the original size.

Requests Breakdown

Number of requests can be reduced by 14 (32%)

Requests Now

44

After Optimization

30

  • Images
  • JavaScript
  • CSS

The browser has sent 44 CSS, Javascripts, AJAX and image requests in order to completely render the main page of IG 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 5 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

ig-passivhaus.de

ig-passivhaus.de

256 ms

ig-passivhaus.de

ig-passivhaus.de

448 ms

jquery-1.3.2.min.js

jquery-1.3.2.min.js

111 ms

fre.js

fre.js

214 ms

swissarmy.js

swissarmy.js

308 ms

fre.styles.css

fre.styles.css

310 ms

wz_tooltip.js

wz_tooltip.js

317 ms

slideshow_left.png

slideshow_left.png

207 ms

slideshow_stop.png

slideshow_stop.png

306 ms

slideshow_play.png

slideshow_play.png

307 ms

slideshow_right.png

slideshow_right.png

350 ms

body_bg.png

body_bg.png

104 ms

externerLinkBgGruen.png

externerLinkBgGruen.png

207 ms

mainnav_left.png

mainnav_left.png

305 ms

mainnav_right.png

mainnav_right.png

313 ms

mainnav_passivh_left.png

mainnav_passivh_left.png

313 ms

mainnav_passivh_right.png

mainnav_passivh_right.png

404 ms

PH_Abende_530x345_26062024_150.jpg

PH_Abende_530x345_26062024_150.jpg

405 ms

PHOD_2024_BannerDE2_530.jpg

PHOD_2024_BannerDE2_530.jpg

407 ms

AP_buch_umschlag_online_Final_Seite_1_150.jpg

AP_buch_umschlag_online_Final_Seite_1_150.jpg

516 ms

Siegel_JETZT_gruen_eckig_Phi_DE_150x100.png

Siegel_JETZT_gruen_eckig_Phi_DE_150x100.png

517 ms

30_Jahre_Passivhaus_150x100.png

30_Jahre_Passivhaus_150x100.png

449 ms

Awards_SM_PHIslideshow_WINNERS_notext_530.jpg

Awards_SM_PHIslideshow_WINNERS_notext_530.jpg

606 ms

EfficiencyFirst_website_banner_DE530.png

EfficiencyFirst_website_banner_DE530.png

507 ms

video_efficinecyfirst_icon_3_150x100.PNG

video_efficinecyfirst_icon_3_150x100.PNG

511 ms

2019_kompdb_map-150x100.png

2019_kompdb_map-150x100.png

552 ms

AP_cover_vorne_auch_online_150.jpg

AP_cover_vorne_auch_online_150.jpg

609 ms

Solar_Paneele_und_Windraeder_CR_Pixabay_Homepage_klein.jpg

Solar_Paneele_und_Windraeder_CR_Pixabay_Homepage_klein.jpg

614 ms

outPHit_Projekt_Spanien_EUSEW_PM_Homepage_klein.jpg

outPHit_Projekt_Spanien_EUSEW_PM_Homepage_klein.jpg

617 ms

Tagung_Innsbruck_Plenum_CR_PHI_Homepage_klein.jpg

Tagung_Innsbruck_Plenum_CR_PHI_Homepage_klein.jpg

618 ms

internalTopLink.png

internalTopLink.png

654 ms

tdpIcon.jpg

tdpIcon.jpg

708 ms

passipediaBW.png

passipediaBW.png

713 ms

affiliate.gif

affiliate.gif

716 ms

header_bg.png

header_bg.png

713 ms

signet.png

signet.png

713 ms

mainnav_bg.png

mainnav_bg.png

748 ms

mainnav_passivh_bg.png

mainnav_passivh_bg.png

803 ms

linkBoxBg.png

linkBoxBg.png

807 ms

linkBoxHeader.png

linkBoxHeader.png

811 ms

linkBoxHeaderBgInternal.png

linkBoxHeaderBgInternal.png

814 ms

linkBoxHeaderBgExternal.png

linkBoxHeaderBgExternal.png

917 ms

2331.jpg

2331.jpg

822 ms

matomo.js

matomo.js

700 ms

internalLink.png

internalLink.png

813 ms

matomo.php

matomo.php

157 ms

Accessibility Review

ig-passivhaus.de accessibility score

59

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

<input type="image"> elements do not have [alt] text

High

Links do not have a discernible name

Best Practices

ig-passivhaus.de best practices score

67

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

SEO Factors

ig-passivhaus.de SEO score

67

Search Engine Optimization Advices

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

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 Ig-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 Ig-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

ig-passivhaus.de

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