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enev-online.org screenshot

Report Summary

  • 100

    Performance

    Renders faster than
    97% of other websites

  • 54

    Accessibility

    Visual factors better than
    that of 23% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

enev-online.org

EnEV 2009 + Energieausweis: Energieeinsparverordnung für Gebäude (EnEV 2009)

Page Load Speed

1.2 sec in total

First Response

360 ms

Resources Loaded

642 ms

Page Rendered

199 ms

enev-online.org screenshot

About Website

Visit enev-online.org now to see the best up-to-date EnEV Online content for Germany and also check out these interesting facts you probably never knew about enev-online.org

EnEV 2009: EnEV 2009 gilt ab Herbst: Die verschärfte Energieeinsparverordnung stellt höhere Anforderungen an Gebäude im Neubau und Bestand. Volltext der EnEV 2009 in Html-Format, Dokumente, Gesetze un...

Visit enev-online.org

Key Findings

We analyzed Enev-online.org page load time and found that the first response time was 360 ms and then it took 841 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 15% of websites can load faster.

Performance Metrics

enev-online.org performance score

100

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.1 s

99/100

10%

LCP (Largest Contentful Paint)

Value1.1 s

100/100

25%

SI (Speed Index)

Value1.4 s

100/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value1.1 s

100/100

10%

Network Requests Diagram

enev-online.org

360 ms

g_grund.gif

192 ms

logo_enev_online.gif

188 ms

p_trans.gif

188 ms

p_40.gif

115 ms

Our browser made a total of 12 requests to load all elements on the main page. We found that all of those requests were addressed to Enev-online.org and no external sources were called. The less responsive or slowest element that took the longest time to load (360 ms) belongs to the original domain Enev-online.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 25.8 kB (84%)

Content Size

30.9 kB

After Optimization

5.0 kB

  • HTML

In fact, the total size of Enev-online.org main page is 30.9 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. Only 10% of websites need less resources to load. HTML takes 30.9 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 25.8 kB

  • Original 30.9 kB
  • After minification 25.1 kB
  • After compression 5.0 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. This page needs HTML code to be minified as it can gain 5.8 kB, which is 19% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 25.8 kB or 84% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

11

After Optimization

11

  • Images

The browser has sent 11 CSS, Javascripts, AJAX and image requests in order to completely render the main page of EnEV Online. According to our analytics all requests are already optimized.

Network Requests Diagram

enev-online.org

enev-online.org

360 ms

g_grund.gif

g_grund.gif

192 ms

logo_enev_online.gif

logo_enev_online.gif

188 ms

p_trans.gif

p_trans.gif

188 ms

p_40.gif

p_40.gif

115 ms

l_k_top.gif

l_k_top.gif

187 ms

q_weiss.gif

q_weiss.gif

187 ms

publikation_fragen_antworten_enev2009_nichtwohnbau.gif

publikation_fragen_antworten_enev2009_nichtwohnbau.gif

189 ms

publikation_fragen_antworten_enev2009_wohnbau.gif

publikation_fragen_antworten_enev2009_wohnbau.gif

197 ms

r_normen_gr.gif

r_normen_gr.gif

204 ms

r_energieausweis_enev_praxisdialog.gif

r_energieausweis_enev_praxisdialog.gif

212 ms

r_praxishilfen.gif

r_praxishilfen.gif

280 ms

Accessibility Review

enev-online.org accessibility score

54

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.

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

enev-online.org best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

SEO Factors

enev-online.org SEO score

69

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

    WINDOWS-1252

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Enev-online.org 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 Enev-online.org main page’s claimed encoding is windows-1252. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

enev-online.org

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