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Report Summary

  • 47

    Performance

    Renders faster than
    65% 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

  • 93

    SEO

    Google-friendlier than
    83% of websites

dio30.nl

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Page Load Speed

10.2 sec in total

First Response

359 ms

Resources Loaded

9.5 sec

Page Rendered

346 ms

dio30.nl screenshot

About Website

Welcome to dio30.nl homepage info - get ready to check Dio 30 best content right away, or after learning these important things about dio30.nl

Visit dio30.nl

Key Findings

We analyzed Dio30.nl page load time and found that the first response time was 359 ms and then it took 9.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

dio30.nl performance score

47

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.7 s

60/100

10%

LCP (Largest Contentful Paint)

Value5.5 s

19/100

25%

SI (Speed Index)

Value5.1 s

62/100

10%

TBT (Total Blocking Time)

Value330 ms

75/100

30%

CLS (Cumulative Layout Shift)

Value1.023

2/100

15%

TTI (Time to Interactive)

Value5.4 s

71/100

10%

Network Requests Diagram

dio30.nl

359 ms

www.dio30.nl

342 ms

www.dio30druten.nl

4560 ms

analytics.js

9 ms

bootstrap.css

506 ms

Our browser made a total of 35 requests to load all elements on the main page. We found that 6% of them (2 requests) were addressed to the original Dio30.nl, 69% (24 requests) were made to Dio30druten.nl and 11% (4 requests) were made to Scontent.cdninstagram.com. The less responsive or slowest element that took the longest time to load (4.6 sec) relates to the external source Dio30druten.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 442.1 kB (17%)

Content Size

2.7 MB

After Optimization

2.2 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Dio30.nl main page is 2.7 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 2.1 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 26.8 kB

  • Original 32.8 kB
  • After minification 32.8 kB
  • After compression 6.0 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 26.8 kB or 82% of the original size.

Image Optimization

-1%

Potential reduce by 30.5 kB

  • Original 2.1 MB
  • After minification 2.1 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. Dio 30 images are well optimized though.

JavaScript Optimization

-69%

Potential reduce by 181.3 kB

  • Original 261.4 kB
  • After minification 219.9 kB
  • After compression 80.1 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 181.3 kB or 69% of the original size.

CSS Optimization

-86%

Potential reduce by 203.5 kB

  • Original 238.0 kB
  • After minification 202.8 kB
  • After compression 34.5 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. Dio30.nl needs all CSS files to be minified and compressed as it can save up to 203.5 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 13 (42%)

Requests Now

31

After Optimization

18

  • Images
  • JavaScript
  • CSS

The browser has sent 31 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dio 30. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

dio30.nl

dio30.nl

359 ms

www.dio30.nl

www.dio30.nl

342 ms

www.dio30druten.nl

www.dio30druten.nl

4560 ms

analytics.js

analytics.js

9 ms

bootstrap.css

bootstrap.css

506 ms

bootstrap-theme.css

bootstrap-theme.css

259 ms

style.css

style.css

272 ms

supersized.shutter.css

supersized.shutter.css

176 ms

supersized.css

supersized.css

187 ms

css

css

28 ms

font-awesome.min.css

font-awesome.min.css

22 ms

jquery.js

jquery.js

462 ms

bootstrap.js

bootstrap.js

533 ms

jquery.lightbox.css

jquery.lightbox.css

274 ms

jquery.lightbox.min.js

jquery.lightbox.min.js

343 ms

collect

collect

13 ms

supersized.3.2.7.js

supersized.3.2.7.js

384 ms

supersized.shutter.js

supersized.shutter.js

308 ms

imgLiquid-min.js

imgLiquid-min.js

384 ms

vervolg_bg.jpg

vervolg_bg.jpg

1311 ms

12783914_623464757806394_112560308_n.jpg

12783914_623464757806394_112560308_n.jpg

384 ms

12822497_1122137147819103_253321617_n.jpg

12822497_1122137147819103_253321617_n.jpg

560 ms

12826058_1119169181467268_1025568950_n.jpg

12826058_1119169181467268_1025568950_n.jpg

727 ms

12816965_438964836312080_1468743894_n.jpg

12816965_438964836312080_1468743894_n.jpg

693 ms

logo.jpg

logo.jpg

271 ms

f423183d6562833940c239edc16eca47.jpg

f423183d6562833940c239edc16eca47.jpg

1333 ms

114920b5acaa5c314969c887df7ff1cf.jpg

114920b5acaa5c314969c887df7ff1cf.jpg

2506 ms

ce4d17d2e9e678fe9fb2401a9e4195a5.jpg

ce4d17d2e9e678fe9fb2401a9e4195a5.jpg

2037 ms

8db779e980ac031

8db779e980ac031

2682 ms

e77b752402edc79

e77b752402edc79

2911 ms

c383ff4f63dfc16

c383ff4f63dfc16

3370 ms

038f220499c940e

038f220499c940e

3753 ms

dio30clubcard.jpg

dio30clubcard.jpg

2404 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

7 ms

jquery-lightbox-theme.png

jquery-lightbox-theme.png

2455 ms

Accessibility Review

dio30.nl accessibility score

83

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

Heading elements are not in a sequentially-descending order

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

dio30.nl 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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

dio30.nl SEO score

93

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

    EN

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Dio30.nl can be misinterpreted by Google and other search engines. Our service has detected that English 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 Dio30.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

dio30.nl

Open Graph description is not detected on the main page of Dio 30. 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: