Tools & Wizards About Us
nrgboost.nl screenshot

Report Summary

  • 27

    Performance

    Renders faster than
    46% of other websites

  • 92

    Accessibility

    Visual factors better than
    that of 78% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

nrgboost.nl

NRG boost - Alles over lichaam en geest

Page Load Speed

2.8 sec in total

First Response

293 ms

Resources Loaded

2.3 sec

Page Rendered

216 ms

nrgboost.nl screenshot

About Website

Click here to check amazing NRG Boost content. Otherwise, check out these important facts you probably never knew about nrgboost.nl

Op NRG boost vind je alles over lichaam, geest, supplementen en geven wij informatie door middel van artikelen en nieuwtjes. Lees snel verder >

Visit nrgboost.nl

Key Findings

We analyzed Nrgboost.nl page load time and found that the first response time was 293 ms and then it took 2.5 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

nrgboost.nl performance score

27

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.2 s

42/100

10%

LCP (Largest Contentful Paint)

Value7.7 s

3/100

25%

SI (Speed Index)

Value5.1 s

61/100

10%

TBT (Total Blocking Time)

Value760 ms

39/100

30%

CLS (Cumulative Layout Shift)

Value1.462

0/100

15%

TTI (Time to Interactive)

Value7.7 s

46/100

10%

Network Requests Diagram

nrgboost.nl

293 ms

nrgboost.nl

368 ms

www.nrgboost.nl

617 ms

jquery-2.1.4.min.js

198 ms

mTruncate.js

256 ms

Our browser made a total of 43 requests to load all elements on the main page. We found that 86% of them (37 requests) were addressed to the original Nrgboost.nl, 7% (3 requests) were made to Fonts.gstatic.com and 2% (1 request) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (664 ms) belongs to the original domain Nrgboost.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 36.4 kB (4%)

Content Size

1.0 MB

After Optimization

990.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Nrgboost.nl main page is 1.0 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. 35% of websites need less resources to load. Images take 728.7 kB which makes up the majority of the site volume.

HTML Optimization

-72%

Potential reduce by 8.3 kB

  • Original 11.5 kB
  • After minification 9.8 kB
  • After compression 3.2 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. This page needs HTML code to be minified as it can gain 1.7 kB, which is 15% 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 8.3 kB or 72% of the original size.

Image Optimization

-1%

Potential reduce by 8.3 kB

  • Original 728.7 kB
  • After minification 720.3 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. NRG Boost images are well optimized though.

JavaScript Optimization

-2%

Potential reduce by 4.1 kB

  • Original 259.9 kB
  • After minification 259.8 kB
  • After compression 255.8 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

-60%

Potential reduce by 15.7 kB

  • Original 26.3 kB
  • After minification 22.8 kB
  • After compression 10.6 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. Nrgboost.nl needs all CSS files to be minified and compressed as it can save up to 15.7 kB or 60% of the original size.

Requests Breakdown

Number of requests can be reduced by 20 (57%)

Requests Now

35

After Optimization

15

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 35 CSS, Javascripts, AJAX and image requests in order to completely render the main page of NRG Boost. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

nrgboost.nl

nrgboost.nl

293 ms

nrgboost.nl

nrgboost.nl

368 ms

www.nrgboost.nl

www.nrgboost.nl

617 ms

jquery-2.1.4.min.js

jquery-2.1.4.min.js

198 ms

mTruncate.js

mTruncate.js

256 ms

css

css

38 ms

api.js

api.js

52 ms

animate.css

animate.css

269 ms

raleway.css

raleway.css

268 ms

normalize.css

normalize.css

268 ms

skeleton.css

skeleton.css

275 ms

lightbox.css

lightbox.css

319 ms

flick-slider.css

flick-slider.css

343 ms

style.php

style.php

363 ms

customStyle.css

customStyle.css

358 ms

calculateMenu.js

calculateMenu.js

359 ms

calculateTop.js

calculateTop.js

389 ms

calculateBlogImage.js

calculateBlogImage.js

392 ms

mobileMenu.js

mobileMenu.js

430 ms

flick-slider.js

flick-slider.js

537 ms

jquery.bpopup.min.js

jquery.bpopup.min.js

449 ms

jquery.cookie.js

jquery.cookie.js

453 ms

lightbox.js

lightbox.js

466 ms

init.js

init.js

490 ms

recaptcha__en.js

recaptcha__en.js

25 ms

logo.png

logo.png

185 ms

verslaving.jpg

verslaving.jpg

429 ms

NRGboost_3.jpg

NRGboost_3.jpg

371 ms

NRGboost_9.jpg

NRGboost_9.jpg

464 ms

hometrainer.jpg

hometrainer.jpg

488 ms

ijsbad.jpg

ijsbad.jpg

429 ms

NRGboost_5.jpg

NRGboost_5.jpg

458 ms

NRGboost_2.jpg

NRGboost_2.jpg

549 ms

bannerMAIN.jpg

bannerMAIN.jpg

664 ms

close.png

close.png

419 ms

loading.gif

loading.gif

447 ms

prev.png

prev.png

447 ms

next.png

next.png

474 ms

S6u9w4BMUTPHh6UVSwiPHA.ttf

S6u9w4BMUTPHh6UVSwiPHA.ttf

18 ms

S6uyw4BMUTPHjx4wWw.ttf

S6uyw4BMUTPHjx4wWw.ttf

24 ms

S6u9w4BMUTPHh7USSwiPHA.ttf

S6u9w4BMUTPHh7USSwiPHA.ttf

29 ms

logo.png

logo.png

443 ms

ajax_maxLines.php

ajax_maxLines.php

437 ms

Accessibility Review

nrgboost.nl accessibility score

92

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

Best Practices

nrgboost.nl best practices score

58

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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

nrgboost.nl SEO score

92

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

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

    NL

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Nrgboost.nl can be misinterpreted by Google and other search engines. Our service has detected that Dutch is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Nrgboost.nl 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

nrgboost.nl

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