Report Summary

  • 91

    Performance

    Renders faster than
    91% of other websites

  • 58

    Accessibility

    Visual factors better than
    that of 25% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 92

    SEO

    Google-friendlier than
    75% of websites

slotenmakerteutrecht.nl

Slotenmaker Utrecht ☎ 030-7601163 erkende 24/7 SlotenService

Page Load Speed

4 sec in total

First Response

330 ms

Resources Loaded

3.2 sec

Page Rendered

559 ms

slotenmakerteutrecht.nl screenshot

About Website

Welcome to slotenmakerteutrecht.nl homepage info - get ready to check Slotenmaker Te Utrecht best content right away, or after learning these important things about slotenmakerteutrecht.nl

✓ Slotenmaker Utrecht ✓ Sleutelmaker ✓ erkend SlotenService ✓ dag en nacht advies en reparatie van sloten en/of beveiliging, inbraakbeveiliging en inbraakschadeherstel

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Key Findings

We analyzed Slotenmakerteutrecht.nl page load time and found that the first response time was 330 ms and then it took 3.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

slotenmakerteutrecht.nl performance score

91

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.0 s

100/100

10%

LCP (Largest Contentful Paint)

Value3.2 s

72/100

25%

SI (Speed Index)

Value1.5 s

100/100

10%

TBT (Total Blocking Time)

Value150 ms

95/100

30%

CLS (Cumulative Layout Shift)

Value0.003

100/100

15%

TTI (Time to Interactive)

Value2.7 s

97/100

10%

Network Requests Diagram

slotenmakerteutrecht.nl

330 ms

www.slotenmakerteutrecht.nl

1413 ms

stylesheet_combined_cee776fa3176f5613bd87b9c75b39fcd.css

193 ms

jquery-1.11.2.min.js

217 ms

jquery.stellar.min.js

216 ms

Our browser made a total of 16 requests to load all elements on the main page. We found that 88% of them (14 requests) were addressed to the original Slotenmakerteutrecht.nl, 13% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain Slotenmakerteutrecht.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 199.7 kB (12%)

Content Size

1.7 MB

After Optimization

1.5 MB

In fact, the total size of Slotenmakerteutrecht.nl main page is 1.7 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. 25% of websites need less resources to load. Images take 1.4 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 43.2 kB

  • Original 51.1 kB
  • After minification 50.9 kB
  • After compression 7.9 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 43.2 kB or 84% of the original size.

Image Optimization

-0%

Potential reduce by 1.0 kB

  • Original 1.4 MB
  • After minification 1.4 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. Slotenmaker Te Utrecht images are well optimized though.

JavaScript Optimization

-64%

Potential reduce by 105.3 kB

  • Original 163.7 kB
  • After minification 163.4 kB
  • After compression 58.4 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 105.3 kB or 64% of the original size.

CSS Optimization

-83%

Potential reduce by 50.2 kB

  • Original 60.6 kB
  • After minification 52.5 kB
  • After compression 10.4 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. Slotenmakerteutrecht.nl needs all CSS files to be minified and compressed as it can save up to 50.2 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 3 (27%)

Requests Now

11

After Optimization

8

The browser has sent 11 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Slotenmaker Te Utrecht. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

slotenmakerteutrecht.nl accessibility score

58

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

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

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

slotenmakerteutrecht.nl best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

slotenmakerteutrecht.nl SEO score

92

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

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Slotenmakerteutrecht.nl 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 Slotenmakerteutrecht.nl main page’s claimed encoding is iso-8859-1. 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 data is detected on the main page of Slotenmaker Te Utrecht. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: