Tools & Wizards About Us
nullbarriere.de screenshot

Report Summary

  • 92

    Performance

    Renders faster than
    92% of other websites

  • 98

    Accessibility

    Visual factors better than
    that of 94% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 95

    SEO

    Google-friendlier than
    90% of websites

nullbarriere.de

nullbarriere.de - barrierefrei planen - bauen - wohnen

Page Load Speed

2.9 sec in total

First Response

293 ms

Resources Loaded

2.1 sec

Page Rendered

440 ms

nullbarriere.de screenshot

About Website

Welcome to nullbarriere.de homepage info - get ready to check Nullbarriere best content for Germany right away, or after learning these important things about nullbarriere.de

Barrierefrei planen bauen wohnen mit nullbarriere.de - Gesetze, DIN Normen, Informationen und Fachwissen, beginnend beim öffentlichen Verkehrsraum und Gebäuden bis zum Wohnungsbau.

Visit nullbarriere.de

Key Findings

We analyzed Nullbarriere.de page load time and found that the first response time was 293 ms and then it took 2.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

nullbarriere.de performance score

92

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.2 s

77/100

10%

LCP (Largest Contentful Paint)

Value2.3 s

94/100

25%

SI (Speed Index)

Value3.3 s

90/100

10%

TBT (Total Blocking Time)

Value100 ms

98/100

30%

CLS (Cumulative Layout Shift)

Value0.111

87/100

15%

TTI (Time to Interactive)

Value2.8 s

97/100

10%

Network Requests Diagram

nullbarriere.de

293 ms

nullbarriere.de

476 ms

jquery-3.5.1.min.js

198 ms

front.js

292 ms

reset.css

291 ms

Our browser made a total of 65 requests to load all elements on the main page. We found that all of those requests were addressed to Nullbarriere.de and no external sources were called. The less responsive or slowest element that took the longest time to load (730 ms) belongs to the original domain Nullbarriere.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 51.9 kB (8%)

Content Size

681.5 kB

After Optimization

629.6 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Nullbarriere.de main page is 681.5 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 585.4 kB which makes up the majority of the site volume.

HTML Optimization

-73%

Potential reduce by 35.1 kB

  • Original 48.2 kB
  • After minification 46.6 kB
  • After compression 13.0 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. 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 35.1 kB or 73% of the original size.

Image Optimization

-2%

Potential reduce by 13.3 kB

  • Original 585.4 kB
  • After minification 572.1 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. Nullbarriere images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 12 B

  • Original 33.2 kB
  • After minification 33.2 kB
  • After compression 33.2 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

-24%

Potential reduce by 3.5 kB

  • Original 14.7 kB
  • After minification 14.7 kB
  • After compression 11.2 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. Nullbarriere.de needs all CSS files to be minified and compressed as it can save up to 3.5 kB or 24% of the original size.

Requests Breakdown

Number of requests can be reduced by 29 (48%)

Requests Now

60

After Optimization

31

  • Images
  • JavaScript
  • CSS

The browser has sent 60 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Nullbarriere. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

nullbarriere.de

nullbarriere.de

293 ms

nullbarriere.de

nullbarriere.de

476 ms

jquery-3.5.1.min.js

jquery-3.5.1.min.js

198 ms

front.js

front.js

292 ms

reset.css

reset.css

291 ms

styles.css

styles.css

302 ms

responsive.css

responsive.css

300 ms

frontform.css

frontform.css

300 ms

link_css.css

link_css.css

300 ms

social_media_buttons.css

social_media_buttons.css

386 ms

styled-tables.css

styled-tables.css

387 ms

search.gif

search.gif

139 ms

logo.gif

logo.gif

139 ms

bemobil-plattformlift-freibad.jpg

bemobil-plattformlift-freibad.jpg

292 ms

vdi-6008-piktogramme.jpg

vdi-6008-piktogramme.jpg

195 ms

kohaupt-ueberquerungsstelle-skizze.jpg

kohaupt-ueberquerungsstelle-skizze.jpg

381 ms

ear23-pkw-stellplatz-abmessungen.jpg

ear23-pkw-stellplatz-abmessungen.jpg

383 ms

nick-leichtbaulift.jpg

nick-leichtbaulift.jpg

193 ms

hubbe.gif

hubbe.gif

195 ms

nora-taktilmodule.jpg

nora-taktilmodule.jpg

290 ms

sfssafety-stufenmarkierung.jpg

sfssafety-stufenmarkierung.jpg

293 ms

guldmann-hebeplattform.jpg

guldmann-hebeplattform.jpg

293 ms

rollstuhl.gif

rollstuhl.gif

387 ms

monatskalender-220.jpg

monatskalender-220.jpg

394 ms

paravan-citroen-spacetourer.jpg

paravan-citroen-spacetourer.jpg

486 ms

pflegegrad-barometer-diagramm.jpg

pflegegrad-barometer-diagramm.jpg

389 ms

rolliwelt-autoaufkleber.jpg

rolliwelt-autoaufkleber.jpg

478 ms

wie-funktionierts-kontaktformular.jpg

wie-funktionierts-kontaktformular.jpg

477 ms

hochbeet.jpg

hochbeet.jpg

582 ms

verkehrszeichen-rollstuhlfahrer-kippgefahr-150.jpg

verkehrszeichen-rollstuhlfahrer-kippgefahr-150.jpg

495 ms

rolli-wc-150.jpg

rolli-wc-150.jpg

496 ms

umfrage-nullbarriere-schwelle.jpg

umfrage-nullbarriere-schwelle.jpg

673 ms

4106hutwysL._SL160_.jpg

4106hutwysL._SL160_.jpg

575 ms

html5.gif

html5.gif

582 ms

css.gif

css.gif

590 ms

rss.gif

rss.gif

591 ms

bg_body.png

bg_body.png

565 ms

garaventa-1925.jpg

garaventa-1925.jpg

574 ms

opacity.png

opacity.png

572 ms

fb_button-32.png

fb_button-32.png

579 ms

pf.gif

pf.gif

581 ms

fb_share_button-32.png

fb_share_button-32.png

660 ms

twitter_button-32.png

twitter_button-32.png

661 ms

xing_button-32.png

xing_button-32.png

668 ms

xing_share_button-32.png

xing_share_button-32.png

669 ms

news_button-32.png

news_button-32.png

674 ms

arrow.png

arrow.png

651 ms

service_f2.gif

service_f2.gif

728 ms

opensans-bold.woff

opensans-bold.woff

730 ms

opensans-semibold.woff

opensans-semibold.woff

691 ms

opensans-regular.woff

opensans-regular.woff

689 ms

active.gif

active.gif

688 ms

facebook.png

facebook.png

602 ms

twitter.png

twitter.png

670 ms

mail.png

mail.png

671 ms

print.png

print.png

678 ms

active_blass.gif

active_blass.gif

593 ms

fabrik.gif

fabrik.gif

594 ms

paragraf.gif

paragraf.gif

594 ms

service.gif

service.gif

668 ms

content.gif

content.gif

668 ms

form.gif

form.gif

590 ms

newsletter.gif

newsletter.gif

592 ms

archiv.gif

archiv.gif

586 ms

rss.png

rss.png

582 ms

Accessibility Review

nullbarriere.de accessibility score

98

Accessibility Issues

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

nullbarriere.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

SEO Factors

nullbarriere.de SEO score

95

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 Nullbarriere.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 Nullbarriere.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

nullbarriere.de

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