Tools & Wizards About Us
is4c.com screenshot

Report Summary

  • 56

    Performance

    Renders faster than
    72% of other websites

  • 87

    Accessibility

    Visual factors better than
    that of 66% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

is4c.com

AllUnited | De complete oplossing voor clubs en verenigingen

Page Load Speed

948 ms in total

First Response

294 ms

Resources Loaded

296 ms

Page Rendered

358 ms

is4c.com screenshot

About Website

Welcome to is4c.com homepage info - get ready to check Is 4 C best content for Netherlands right away, or after learning these important things about is4c.com

AllUnited maakt ledenadministratie en boekhouding voor verenigingen, stichtingen en bonden gemakkelijk. Ontdek onze oplossingen en bespaar tijd en kosten.

Visit is4c.com

Key Findings

We analyzed Is4c.com page load time and found that the first response time was 294 ms and then it took 654 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 15% of websites can load faster.

Performance Metrics

is4c.com performance score

56

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.5 s

35/100

10%

LCP (Largest Contentful Paint)

Value3.5 s

62/100

25%

SI (Speed Index)

Value5.8 s

49/100

10%

TBT (Total Blocking Time)

Value580 ms

51/100

30%

CLS (Cumulative Layout Shift)

Value0.114

86/100

15%

TTI (Time to Interactive)

Value8.7 s

36/100

10%

Network Requests Diagram

is4c.com

294 ms

Our browser made a total of 1 request to load all elements on the main page. We found that all of those requests were addressed to Is4c.com and no external sources were called. The less responsive or slowest element that took the longest time to load (294 ms) belongs to the original domain Is4c.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 14 B (13%)

Content Size

112 B

After Optimization

98 B

  • HTML

In fact, the total size of Is4c.com main page is 112 B. This result falls within the top 5000 of lightweight and thus fast loading web pages. Only a small number of websites need less resources to load. HTML takes 112 B which makes up the majority of the site volume.

HTML Optimization

-13%

Potential reduce by 14 B

  • Original 112 B
  • After minification 111 B
  • After compression 98 B

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 14 B or 13% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

0

After Optimization

0

Besides the initial HTML request, no CSS, Javascripts, AJAX or image files were requested in the course of web page rendering.

Network Requests Diagram

is4c.com

is4c.com

294 ms

Accessibility Review

is4c.com accessibility score

87

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

is4c.com 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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

is4c.com SEO score

100

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

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 Is4c.com 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 Is4c.com 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

is4c.com

Open Graph description is not detected on the main page of Is 4 C. 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: