Tools & Wizards About Us
nb-green.de screenshot

Report Summary

  • 28

    Performance

    Renders faster than
    48% of other websites

  • 78

    Accessibility

    Visual factors better than
    that of 46% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 81

    SEO

    Google-friendlier than
    43% of websites

nb-green.de

Qualität | Wir engagieren uns für Bildung, Wirtschaft, Umwelt | Nordbleche

Page Load Speed

5 sec in total

First Response

491 ms

Resources Loaded

4.4 sec

Page Rendered

157 ms

nb-green.de screenshot

About Website

Click here to check amazing Nb Green content. Otherwise, check out these important facts you probably never knew about nb-green.de

Qualität - Wir als Hersteller für Trapezblech & andere Profilbleche mit Zubehör sind stets auf dem neuesten Stand der Branche.

Visit nb-green.de

Key Findings

We analyzed Nb-green.de page load time and found that the first response time was 491 ms and then it took 4.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

nb-green.de performance score

28

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value7.0 s

1/100

10%

LCP (Largest Contentful Paint)

Value7.3 s

5/100

25%

SI (Speed Index)

Value8.0 s

22/100

10%

TBT (Total Blocking Time)

Value1,130 ms

23/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value9.7 s

29/100

10%

Network Requests Diagram

www.nb-green.de

491 ms

style.min.css

324 ms

photoswipe.css

221 ms

default-skin.css

224 ms

borlabs-cookie_40_de.css

436 ms

Our browser made a total of 24 requests to load all elements on the main page. We found that 67% of them (16 requests) were addressed to the original Nb-green.de, 17% (4 requests) were made to Nb-green.ingvarsson.de and 8% (2 requests) were made to Platform.twitter.com. The less responsive or slowest element that took the longest time to load (639 ms) belongs to the original domain Nb-green.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 509.7 kB (74%)

Content Size

692.5 kB

After Optimization

182.8 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Nb-green.de main page is 692.5 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. 30% of websites need less resources to load. CSS take 318.9 kB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 99.4 kB

  • Original 112.3 kB
  • After minification 109.7 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 99.4 kB or 88% of the original size.

Image Optimization

-0%

Potential reduce by 12 B

  • Original 45.0 kB
  • After minification 45.0 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. Nb Green images are well optimized though.

JavaScript Optimization

-67%

Potential reduce by 144.2 kB

  • Original 216.3 kB
  • After minification 214.5 kB
  • After compression 72.1 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 144.2 kB or 67% of the original size.

CSS Optimization

-83%

Potential reduce by 266.1 kB

  • Original 318.9 kB
  • After minification 312.5 kB
  • After compression 52.8 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. Nb-green.de needs all CSS files to be minified and compressed as it can save up to 266.1 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 14 (67%)

Requests Now

21

After Optimization

7

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 21 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Nb Green. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

www.nb-green.de

www.nb-green.de

491 ms

style.min.css

style.min.css

324 ms

photoswipe.css

photoswipe.css

221 ms

default-skin.css

default-skin.css

224 ms

borlabs-cookie_40_de.css

borlabs-cookie_40_de.css

436 ms

style.min.css

style.min.css

639 ms

jquery.min.js

jquery.min.js

428 ms

jquery-migrate.min.js

jquery-migrate.min.js

224 ms

photoswipe.min.js

photoswipe.min.js

423 ms

photoswipe-masonry.js

photoswipe-masonry.js

321 ms

photoswipe-ui-default.min.js

photoswipe-ui-default.min.js

321 ms

masonry.pkgd.min.js

masonry.pkgd.min.js

422 ms

imagesloaded.pkgd.min.js

imagesloaded.pkgd.min.js

423 ms

twitter-widgets.js

twitter-widgets.js

322 ms

main.min.js

main.min.js

528 ms

borlabs-cookie.min.js

borlabs-cookie.min.js

424 ms

ingvarsson.de

ingvarsson.de

341 ms

logo.svg

logo.svg

108 ms

NB-Green_Umweltinitiative_Nordbleche.jpg

NB-Green_Umweltinitiative_Nordbleche.jpg

318 ms

ifbs.svg

ifbs.svg

107 ms

widgets.js

widgets.js

100 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

321 ms

widget_iframe.7dae38096d06923d683a2a807172322a.html

widget_iframe.7dae38096d06923d683a2a807172322a.html

73 ms

settings

settings

71 ms

Accessibility Review

nb-green.de accessibility score

78

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

Image elements do not have [alt] attributes

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

nb-green.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

Page has valid source maps

SEO Factors

nb-green.de SEO score

81

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

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

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 Nb-green.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 Nb-green.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

nb-green.de

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