Tools & Wizards About Us
rolderboys.nl screenshot

Report Summary

  • 43

    Performance

    Renders faster than
    62% of other websites

  • 84

    Accessibility

    Visual factors better than
    that of 56% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

rolderboys.nl

Welkom - Rolder Boys

Page Load Speed

3 sec in total

First Response

273 ms

Resources Loaded

2.5 sec

Page Rendered

314 ms

rolderboys.nl screenshot

About Website

Welcome to rolderboys.nl homepage info - get ready to check Rolder Boys best content right away, or after learning these important things about rolderboys.nl

Voetbalvereniging Rolder Boys, tweedeklasser uit het Drentse Rolde. Opgericht op 3 juni 1927 en vandaag de dag 6 seniorenteams, 19 jeugdteams, 7x7, dames- en G-voetbal.

Visit rolderboys.nl

Key Findings

We analyzed Rolderboys.nl page load time and found that the first response time was 273 ms and then it took 2.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

rolderboys.nl performance score

43

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.5 s

6/100

10%

LCP (Largest Contentful Paint)

Value8.4 s

2/100

25%

SI (Speed Index)

Value6.3 s

42/100

10%

TBT (Total Blocking Time)

Value220 ms

88/100

30%

CLS (Cumulative Layout Shift)

Value0.274

44/100

15%

TTI (Time to Interactive)

Value8.0 s

43/100

10%

Network Requests Diagram

rolderboys.nl

273 ms

www.rolderboys.nl

683 ms

LoadCss.ashx

243 ms

jquery.min.js

49 ms

bootstrap.min.js

44 ms

Our browser made a total of 84 requests to load all elements on the main page. We found that 8% of them (7 requests) were addressed to the original Rolderboys.nl, 45% (38 requests) were made to Cache.voetbalassist.nl and 17% (14 requests) were made to Maps.googleapis.com. The less responsive or slowest element that took the longest time to load (768 ms) belongs to the original domain Rolderboys.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 410.9 kB (42%)

Content Size

969.8 kB

After Optimization

559.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Rolderboys.nl main page is 969.8 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 60% of websites need less resources to load. Javascripts take 638.6 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 59.6 kB

  • Original 74.8 kB
  • After minification 71.8 kB
  • After compression 15.2 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 59.6 kB or 80% of the original size.

Image Optimization

-5%

Potential reduce by 13.1 kB

  • Original 255.9 kB
  • After minification 242.8 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. Rolder Boys images are well optimized though.

JavaScript Optimization

-53%

Potential reduce by 337.9 kB

  • Original 638.6 kB
  • After minification 637.8 kB
  • After compression 300.7 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 337.9 kB or 53% of the original size.

CSS Optimization

-54%

Potential reduce by 259 B

  • Original 480 B
  • After minification 363 B
  • After compression 221 B

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. Rolderboys.nl needs all CSS files to be minified and compressed as it can save up to 259 B or 54% of the original size.

Requests Breakdown

Number of requests can be reduced by 37 (48%)

Requests Now

77

After Optimization

40

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 77 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Rolder Boys. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 20 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

rolderboys.nl

rolderboys.nl

273 ms

www.rolderboys.nl

www.rolderboys.nl

683 ms

LoadCss.ashx

LoadCss.ashx

243 ms

jquery.min.js

jquery.min.js

49 ms

bootstrap.min.js

bootstrap.min.js

44 ms

336 ms

LoadModuleCss.ashx

LoadModuleCss.ashx

166 ms

index.js

index.js

174 ms

NieuwsItem.js

NieuwsItem.js

173 ms

analytics.js

analytics.js

26 ms

collect

collect

13 ms

collect

collect

136 ms

button_search.png

button_search.png

299 ms

body_bg.png

body_bg.png

289 ms

25.png

25.png

296 ms

23.png

23.png

297 ms

28.png

28.png

294 ms

18.png

18.png

290 ms

2.png

2.png

298 ms

6.png

6.png

298 ms

4.png

4.png

298 ms

24.png

24.png

299 ms

5.png

5.png

301 ms

522.jpg

522.jpg

300 ms

520.jpg

520.jpg

306 ms

521.jpg

521.jpg

307 ms

519.jpg

519.jpg

307 ms

518.jpg

518.jpg

308 ms

517.jpg

517.jpg

346 ms

VALogo.png

VALogo.png

345 ms

true.png

true.png

393 ms

body_BgDiv_bg.png

body_BgDiv_bg.png

369 ms

2.jpg

2.jpg

416 ms

stramienafbOverlay.png

stramienafbOverlay.png

369 ms

ImgProxy.ashx

ImgProxy.ashx

370 ms

search_background.png

search_background.png

370 ms

SubmenuBG.aspx

SubmenuBG.aspx

414 ms

content_bg.png

content_bg.png

413 ms

twitter.png

twitter.png

420 ms

facebook.png

facebook.png

427 ms

rss.png

rss.png

428 ms

arrow_down.png

arrow_down.png

490 ms

infobar_rss.png

infobar_rss.png

493 ms

infobar_close.png

infobar_close.png

490 ms

sdk.js

sdk.js

239 ms

Buienradar.aspx

Buienradar.aspx

228 ms

gettweets

gettweets

768 ms

MenuArrow.ashx

MenuArrow.ashx

244 ms

30ProcentZwart.png

30ProcentZwart.png

674 ms

jquery.min.js

jquery.min.js

47 ms

js

js

64 ms

Buienradar.js

Buienradar.js

660 ms

109 ms

xd_arbiter.php

xd_arbiter.php

39 ms

xd_arbiter.php

xd_arbiter.php

48 ms

print.css

print.css

83 ms

common.js

common.js

13 ms

map.js

map.js

13 ms

util.js

util.js

63 ms

marker.js

marker.js

64 ms

StaticMapService.GetMapImage

StaticMapService.GetMapImage

63 ms

onion.js

onion.js

24 ms

openhand_8_8.cur

openhand_8_8.cur

56 ms

ViewportInfoService.GetViewportInfo

ViewportInfoService.GetViewportInfo

46 ms

stats.js

stats.js

44 ms

kh

kh

40 ms

controls.js

controls.js

34 ms

kh

kh

95 ms

transparent.png

transparent.png

55 ms

css

css

60 ms

google4.png

google4.png

33 ms

vt

vt

12 ms

vt

vt

23 ms

mapcnt6.png

mapcnt6.png

22 ms

spotlight-poi.png

spotlight-poi.png

22 ms

vt

vt

20 ms

tmapctrl.png

tmapctrl.png

15 ms

tmapctrl4.png

tmapctrl4.png

17 ms

google_white5.png

google_white5.png

17 ms

zN7GBFwfMP4uA6AR0HCoLQ.ttf

zN7GBFwfMP4uA6AR0HCoLQ.ttf

7 ms

RxZJdnzeo3R5zSexge8UUaCWcynf_cDxXwCLxiixG1c.ttf

RxZJdnzeo3R5zSexge8UUaCWcynf_cDxXwCLxiixG1c.ttf

9 ms

Hgo13k-tfSpn0qi1SFdUfaCWcynf_cDxXwCLxiixG1c.ttf

Hgo13k-tfSpn0qi1SFdUfaCWcynf_cDxXwCLxiixG1c.ttf

12 ms

d-6IYplOFocCacKzxwXSOKCWcynf_cDxXwCLxiixG1c.ttf

d-6IYplOFocCacKzxwXSOKCWcynf_cDxXwCLxiixG1c.ttf

12 ms

AuthenticationService.Authenticate

AuthenticationService.Authenticate

195 ms

Accessibility Review

rolderboys.nl accessibility score

84

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

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

Best Practices

rolderboys.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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

rolderboys.nl SEO score

83

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

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

    NL

  • Language Claimed

    NL

  • Encoding

    N/A

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Rolderboys.nl can be misinterpreted by Google and other search engines. Our service has detected that Dutch is used on the page, and it matches the claimed language. Our system also found out that Rolderboys.nl main page’s claimed encoding is . Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

rolderboys.nl

Open Graph description is not detected on the main page of Rolder Boys. 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: