Tools & Wizards About Us
sleepinglion.nl screenshot

Report Summary

  • 54

    Performance

    Renders faster than
    72% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 62% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 99

    SEO

    Google-friendlier than
    93% of websites

sleepinglion.nl

Sleeping Lion – Over groeien, studeren & communicatie

Page Load Speed

9.3 sec in total

First Response

1.8 sec

Resources Loaded

6.5 sec

Page Rendered

956 ms

sleepinglion.nl screenshot

About Website

Visit sleepinglion.nl now to see the best up-to-date Sleeping Lion content and also check out these interesting facts you probably never knew about sleepinglion.nl

Omniblog by a 20-year-old Dutchie

Visit sleepinglion.nl

Key Findings

We analyzed Sleepinglion.nl page load time and found that the first response time was 1.8 sec and then it took 7.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

sleepinglion.nl performance score

54

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.6 s

64/100

10%

LCP (Largest Contentful Paint)

Value22.2 s

0/100

25%

SI (Speed Index)

Value7.7 s

25/100

10%

TBT (Total Blocking Time)

Value110 ms

97/100

30%

CLS (Cumulative Layout Shift)

Value0.164

72/100

15%

TTI (Time to Interactive)

Value7.3 s

50/100

10%

Network Requests Diagram

sleepinglion.nl

1773 ms

wp-emoji-release.min.js

518 ms

styles.css

201 ms

styles.css

207 ms

style.css

478 ms

Our browser made a total of 121 requests to load all elements on the main page. We found that 35% of them (42 requests) were addressed to the original Sleepinglion.nl, 17% (21 requests) were made to Static.xx.fbcdn.net and 7% (9 requests) were made to Scontent.xx.fbcdn.net. The less responsive or slowest element that took the longest time to load (2.3 sec) belongs to the original domain Sleepinglion.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 552.4 kB (11%)

Content Size

5.1 MB

After Optimization

4.6 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Sleepinglion.nl main page is 5.1 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. 70% of websites need less resources to load. Images take 4.4 MB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 50.3 kB

  • Original 64.6 kB
  • After minification 61.0 kB
  • After compression 14.2 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 50.3 kB or 78% of the original size.

Image Optimization

-2%

Potential reduce by 89.8 kB

  • Original 4.4 MB
  • After minification 4.4 MB

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. Sleeping Lion images are well optimized though.

JavaScript Optimization

-60%

Potential reduce by 197.8 kB

  • Original 330.1 kB
  • After minification 309.5 kB
  • After compression 132.3 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 197.8 kB or 60% of the original size.

CSS Optimization

-82%

Potential reduce by 214.4 kB

  • Original 261.9 kB
  • After minification 246.3 kB
  • After compression 47.5 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. Sleepinglion.nl needs all CSS files to be minified and compressed as it can save up to 214.4 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 60 (56%)

Requests Now

107

After Optimization

47

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 107 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sleeping Lion. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 36 to 1 for JavaScripts and from 19 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

sleepinglion.nl

sleepinglion.nl

1773 ms

wp-emoji-release.min.js

wp-emoji-release.min.js

518 ms

styles.css

styles.css

201 ms

styles.css

styles.css

207 ms

style.css

style.css

478 ms

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jquery.bxslider.css

217 ms

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388 ms

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255 ms

responsive.css

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392 ms

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549 ms

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877 ms

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1004 ms

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1851 ms

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274 ms

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283 ms

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79 ms

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21 ms

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Accessibility Review

sleepinglion.nl accessibility score

86

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

[id] attributes on active, focusable elements are not unique

High

Heading elements are not in a sequentially-descending order

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

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

Links do not have a discernible name

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Best Practices

sleepinglion.nl 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

High

Browser errors were logged to the console

SEO Factors

sleepinglion.nl SEO score

99

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

    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 Sleepinglion.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 Sleepinglion.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

sleepinglion.nl

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