Tools & Wizards About Us

Report Summary

  • 13

    Performance

    Renders faster than
    25% of other websites

  • 83

    Accessibility

    Visual factors better than
    that of 54% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 76

    SEO

    Google-friendlier than
    35% of websites

neb-online.de

New England Biolabs GmbH - Vorrang für die Wissenschaft.

Page Load Speed

6.5 sec in total

First Response

298 ms

Resources Loaded

5.9 sec

Page Rendered

374 ms

About Website

Click here to check amazing Neb Online content for Germany. Otherwise, check out these important facts you probably never knew about neb-online.de

Produkte von New England Biolabs erhalten Sie in Deutschland und Österreich exklusiv bei New England Biolabs GmbH.

Visit neb-online.de

Key Findings

We analyzed Neb-online.de page load time and found that the first response time was 298 ms and then it took 6.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

neb-online.de performance score

13

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.3 s

75/100

10%

LCP (Largest Contentful Paint)

Value12.5 s

0/100

25%

SI (Speed Index)

Value8.5 s

18/100

10%

TBT (Total Blocking Time)

Value2,220 ms

6/100

30%

CLS (Cumulative Layout Shift)

Value0.651

9/100

15%

TTI (Time to Interactive)

Value14.2 s

9/100

10%

Network Requests Diagram

neb-online.de

298 ms

www.neb-online.de

726 ms

jquery.js

327 ms

modernizr.js

383 ms

foundation.min.js

624 ms

Our browser made a total of 91 requests to load all elements on the main page. We found that 98% of them (89 requests) were addressed to the original Neb-online.de, 1% (1 request) were made to Googletagmanager.com and 1% (1 request) were made to Ezentrum-res.cloudinary.com. The less responsive or slowest element that took the longest time to load (3.1 sec) belongs to the original domain Neb-online.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 98.1 kB (8%)

Content Size

1.3 MB

After Optimization

1.2 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Neb-online.de main page is 1.3 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. 65% of websites need less resources to load. Images take 858.2 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 76.6 kB

  • Original 94.7 kB
  • After minification 90.6 kB
  • After compression 18.1 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 76.6 kB or 81% of the original size.

Image Optimization

-0%

Potential reduce by 1.9 kB

  • Original 858.2 kB
  • After minification 856.3 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. Neb Online images are well optimized though.

JavaScript Optimization

-6%

Potential reduce by 12.9 kB

  • Original 212.6 kB
  • After minification 212.6 kB
  • After compression 199.7 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

-7%

Potential reduce by 6.7 kB

  • Original 99.0 kB
  • After minification 98.4 kB
  • After compression 92.4 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. Neb-online.de has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 45 (61%)

Requests Now

74

After Optimization

29

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 74 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Neb Online. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 21 to 1 for JavaScripts and from 26 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

neb-online.de accessibility score

83

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-hidden="true"] elements contain focusable descendents

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.

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

High

<object> elements do not have alternate text

Best Practices

neb-online.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

neb-online.de SEO score

76

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

High

robots.txt is not valid

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 Neb-online.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 Neb-online.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

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