Access zuidstad.nl. Dé makelaar van Rotterdam en omgeving

name

value

score

weighting

FCP (First Contentful Paint)

Value4.0 s

23/100

10%

LCP (Largest Contentful Paint)

Value6.9 s

6/100

25%

SI (Speed Index)

Value12.6 s

3/100

10%

TBT (Total Blocking Time)

Value6,560 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.091

92/100

15%

TTI (Time to Interactive)

Value20.0 s

2/100

10%

www.zuidstad.nl

570 ms

c88b608313900ff1905a9cc318a3509f.css

272 ms

js

43 ms

js

99 ms

woningrotterdam.js

618 ms

Our browser made a total of 51 requests to load all elements on the main page. We found that 75% of them (38 requests) were addressed to the original Zuidstad.nl, 8% (4 requests) were made to Googletagmanager.com and 6% (3 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (618 ms) relates to the external source Api.matrixiangroup.com.

Content Size

506.7 kB

After Optimization

404.1 kB

In fact, the total size of Zuidstad.nl main page is 506.7 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. 55% of websites need less resources to load. Javascripts take 319.4 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 68.5 kB

Original 82.1 kB
After minification 65.9 kB
After compression 13.6 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. This page needs HTML code to be minified as it can gain 16.2 kB, which is 20% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 68.5 kB or 83% of the original size.

Image Optimization

-31%

Potential reduce by 32.6 kB

Original 105.2 kB
After minification 72.6 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. Obviously, Zuidstad needs image optimization as it can save up to 32.6 kB or 31% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-0%

Potential reduce by 1.5 kB

Original 319.4 kB
After minification 319.4 kB
After compression 317.9 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. This website has mostly compressed JavaScripts.

Requests Now

After Optimization

The browser has sent 39 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zuidstad. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 19 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Issues

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.

High

[aria-*] attributes do not match their roles

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

These are opportunities to improve keyboard navigation in your application.

High

Heading elements are not in a sequentially-descending order

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.

High

Links do not have a discernible name

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

These items highlight common accessibility best practices.

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

Search Engine Optimization Advices

To appear in search results, crawlers need access to your app.

High

Links are not crawlable

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/).

High

Document uses legible font sizes

Language and Encoding

Language Detected

NL
Language Claimed

NL
Encoding

UTF-8

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

zuidstad.nl

Open Graph data is detected on the main page of Zuidstad. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook:

Report Summary

Performance

Accessibility

Best Practices

SEO

Dé makelaar van Rotterdam en omgeving | Zuidstad Makelaars

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

www.zuidstad.nl

c88b608313900ff1905a9cc318a3509f.css

js

js

woningrotterdam.js

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

www.zuidstad.nl

c88b608313900ff1905a9cc318a3509f.css

js

js

woningrotterdam.js

jquery.min.js

jquery-migrate.min.js

js

main-a3dd93c933.js

script.min.js

joinchat.min.js

api.js

regenerator-runtime.min.js

wp-polyfill.min.js

index.js

require.js

css

js

analytics.js

gtm.js

collect

collect

widget.js

logo.svg

wave-brown.svg

arrow.svg

nl.png

en.png

jubileumlogo-40plus-2023-FINAL.png

menu-wave2.svg

intro-social-design.png

cracker.svg

pattern.png

up-arrow.svg

logo-small.svg

vbo-71x21.png

Logo-NWWI-1-62x21.jpg

Pararius_logo_wit1000px-1-82x21.png

sumedia-logo.svg

recaptcha__en.js

MuseoSlab-500.woff

MuseoSlab-300.woff

MuseoSlab-100.woff

MuseoSlab-700.woff