Report Summary

  • 42

    Performance

    Renders faster than
    61% of other websites

  • 77

    Accessibility

    Visual factors better than
    that of 44% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 94

    SEO

    Google-friendlier than
    90% of websites

crimesites.nl

Crimesites.nl | Het overzicht van Nederlandse Crime Sites

Page Load Speed

2.3 sec in total

First Response

314 ms

Resources Loaded

1.6 sec

Page Rendered

358 ms

crimesites.nl screenshot

About Website

Click here to check amazing Crimesites content. Otherwise, check out these important facts you probably never knew about crimesites.nl

Zoek je een crime website? Op CrimeSites.nl vind je een overzicht van talloze Nederlandse crimesites!

Visit crimesites.nl

Key Findings

We analyzed Crimesites.nl page load time and found that the first response time was 314 ms and then it took 2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

crimesites.nl performance score

42

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.2 s

43/100

10%

LCP (Largest Contentful Paint)

Value3.2 s

72/100

25%

SI (Speed Index)

Value6.3 s

41/100

10%

TBT (Total Blocking Time)

Value2,010 ms

7/100

30%

CLS (Cumulative Layout Shift)

Value0.17

70/100

15%

TTI (Time to Interactive)

Value9.7 s

29/100

10%

Network Requests Diagram

crimesites.nl

314 ms

www.crimesites.nl

557 ms

style.css

173 ms

paylink.css

175 ms

scripts.js

178 ms

Our browser made a total of 40 requests to load all elements on the main page. We found that 43% of them (17 requests) were addressed to the original Crimesites.nl, 15% (6 requests) were made to Pagead2.googlesyndication.com and 13% (5 requests) were made to Googleads.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (620 ms) relates to the external source Crimetop50.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 174.1 kB (43%)

Content Size

403.7 kB

After Optimization

229.5 kB

In fact, the total size of Crimesites.nl main page is 403.7 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. 45% of websites need less resources to load. Javascripts take 242.1 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 28.1 kB

  • Original 33.6 kB
  • After minification 32.1 kB
  • After compression 5.5 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 28.1 kB or 84% of the original size.

Image Optimization

-3%

Potential reduce by 3.9 kB

  • Original 121.6 kB
  • After minification 117.7 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. Crimesites images are well optimized though.

JavaScript Optimization

-57%

Potential reduce by 137.1 kB

  • Original 242.1 kB
  • After minification 241.7 kB
  • After compression 104.9 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 137.1 kB or 57% of the original size.

CSS Optimization

-78%

Potential reduce by 5.0 kB

  • Original 6.4 kB
  • After minification 4.9 kB
  • After compression 1.4 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. Crimesites.nl needs all CSS files to be minified and compressed as it can save up to 5.0 kB or 78% of the original size.

Requests Breakdown

Number of requests can be reduced by 21 (57%)

Requests Now

37

After Optimization

16

The browser has sent 37 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Crimesites. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

crimesites.nl accessibility score

77

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-*] attributes do not match their roles

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.

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

<frame> or <iframe> elements do not have a title

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

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

Best Practices

crimesites.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

Page has valid source maps

SEO Factors

crimesites.nl SEO score

94

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

    EN

  • Language Claimed

    NL

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Crimesites.nl can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it does not match the claimed Dutch language. Our system also found out that Crimesites.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

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