Report Summary

  • 62

    Performance

    Renders faster than
    77% of other websites

  • 90

    Accessibility

    Visual factors better than
    that of 75% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 93

    SEO

    Google-friendlier than
    84% of websites

nbb.be

| nbb.be

Page Load Speed

1.8 sec in total

First Response

116 ms

Resources Loaded

1.5 sec

Page Rendered

116 ms

nbb.be screenshot

About Website

Welcome to nbb.be homepage info - get ready to check Nbb best content for Belgium right away, or after learning these important things about nbb.be

Visit nbb.be

Key Findings

We analyzed Nbb.be page load time and found that the first response time was 116 ms and then it took 1.7 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.

Performance Metrics

nbb.be performance score

62

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

66/100

10%

LCP (Largest Contentful Paint)

Value5.8 s

15/100

25%

SI (Speed Index)

Value4.8 s

68/100

10%

TBT (Total Blocking Time)

Value130 ms

96/100

30%

CLS (Cumulative Layout Shift)

Value0.202

61/100

15%

TTI (Time to Interactive)

Value5.9 s

66/100

10%

Network Requests Diagram

language-picker

116 ms

css_lQaZfjVpwP_oGNqdtWCSpJT1EMqXdMiU84ekLLxQnc4.css

23 ms

css_hTLrwzbU9bZhjvzx-j5entbJFEHkjJyd6RgHEla8FhA.css

378 ms

css_m2XlDEIyBvLoGUxr8priOs0Z7Q4LAgqgpTbWSczH5ns.css

33 ms

css_k2sNIXbaWNWgtudz9plz9gXrZCFWYtf8EcBcDzDk92o.css

157 ms

Our browser made a total of 21 requests to load all elements on the main page. We found that 90% of them (19 requests) were addressed to the original Nbb.be, 5% (1 request) were made to Use.fontawesome.com and 5% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (402 ms) belongs to the original domain Nbb.be.

Page Optimization Overview & Recommendations

Page size can be reduced by 26.9 kB (2%)

Content Size

1.1 MB

After Optimization

1.1 MB

In fact, the total size of Nbb.be main page is 1.1 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. 25% of websites need less resources to load. Images take 618.4 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 16.8 kB

  • Original 22.0 kB
  • After minification 21.7 kB
  • After compression 5.2 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 16.8 kB or 76% of the original size.

Image Optimization

-0%

Potential reduce by 453 B

  • Original 618.4 kB
  • After minification 618.0 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. Nbb images are well optimized though.

JavaScript Optimization

-2%

Potential reduce by 9.5 kB

  • Original 469.0 kB
  • After minification 469.0 kB
  • After compression 459.5 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

-0%

Potential reduce by 167 B

  • Original 34.0 kB
  • After minification 34.0 kB
  • After compression 33.8 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. Nbb.be has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 13 (72%)

Requests Now

18

After Optimization

5

The browser has sent 18 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Nbb. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

nbb.be accessibility score

90

Accessibility Issues

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

nbb.be best practices score

75

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

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

nbb.be SEO score

93

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

Language and Encoding

  • Language Detected

    FR

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Nbb.be can be misinterpreted by Google and other search engines. Our service has detected that French is used on the page, and it does not match the claimed English language. Our system also found out that Nbb.be 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 description is not detected on the main page of Nbb. 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: