Report Summary

  • 16

    Performance

    Renders faster than
    30% of other websites

  • 85

    Accessibility

    Visual factors better than
    that of 60% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

rkavic.nl

Sportief en gezellig | Voetbalvereniging RKAVIC - RKAVIC

Page Load Speed

2.9 sec in total

First Response

324 ms

Resources Loaded

2 sec

Page Rendered

525 ms

rkavic.nl screenshot

About Website

Visit rkavic.nl now to see the best up-to-date RKAVIC content for Netherlands and also check out these interesting facts you probably never knew about rkavic.nl

Sportieve en gezellige voetbalvereniging in Amstelveen. Young and old, Dutch and International – welcome to RKAVIC football club.

Visit rkavic.nl

Key Findings

We analyzed Rkavic.nl page load time and found that the first response time was 324 ms and then it took 2.6 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

rkavic.nl performance score

16

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.9 s

4/100

10%

LCP (Largest Contentful Paint)

Value7.2 s

5/100

25%

SI (Speed Index)

Value7.9 s

23/100

10%

TBT (Total Blocking Time)

Value1,790 ms

10/100

30%

CLS (Cumulative Layout Shift)

Value0.208

60/100

15%

TTI (Time to Interactive)

Value16.5 s

5/100

10%

Network Requests Diagram

rkavic.nl

324 ms

www.rkavic.nl

845 ms

LoadCss.ashx

281 ms

jquery.min.js

38 ms

bootstrap.min.js

40 ms

Our browser made a total of 51 requests to load all elements on the main page. We found that 20% of them (10 requests) were addressed to the original Rkavic.nl, 69% (35 requests) were made to Cache.voetbalassist.nl and 4% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (845 ms) belongs to the original domain Rkavic.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 160.4 kB (22%)

Content Size

720.3 kB

After Optimization

559.9 kB

In fact, the total size of Rkavic.nl main page is 720.3 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. 30% of websites need less resources to load. Images take 539.5 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 45.6 kB

  • Original 55.0 kB
  • After minification 50.8 kB
  • After compression 9.4 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 45.6 kB or 83% of the original size.

Image Optimization

-10%

Potential reduce by 54.1 kB

  • Original 539.5 kB
  • After minification 485.4 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. RKAVIC images are well optimized though.

JavaScript Optimization

-48%

Potential reduce by 60.4 kB

  • Original 125.1 kB
  • After minification 124.2 kB
  • After compression 64.7 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 60.4 kB or 48% of the original size.

CSS Optimization

-47%

Potential reduce by 296 B

  • Original 633 B
  • After minification 484 B
  • After compression 337 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. Rkavic.nl needs all CSS files to be minified and compressed as it can save up to 296 B or 47% of the original size.

Requests Breakdown

Number of requests can be reduced by 15 (31%)

Requests Now

48

After Optimization

33

The browser has sent 48 CSS, Javascripts, AJAX and image requests in order to completely render the main page of RKAVIC. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

rkavic.nl accessibility score

85

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

rkavic.nl best practices score

67

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

Missing source maps for large first-party JavaScript

SEO Factors

rkavic.nl SEO score

77

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Links do not have descriptive text

High

Image elements do not have [alt] attributes

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

    NL

  • Encoding

    N/A

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Rkavic.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 Rkavic.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

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