Access fnvzbo.nl. Zelfstandigen bouw - Versterkt jou

name

value

score

weighting

FCP (First Contentful Paint)

Value3.3 s

40/100

10%

LCP (Largest Contentful Paint)

Value9.9 s

0/100

25%

SI (Speed Index)

Value8.4 s

19/100

10%

TBT (Total Blocking Time)

Value2,790 ms

3/100

30%

CLS (Cumulative Layout Shift)

Value0.051

99/100

15%

TTI (Time to Interactive)

Value22.0 s

1/100

10%

fnvzbo.nl

264 ms

zelfstandigenbouw.nl

254 ms

www.zelfstandigenbouw.nl

613 ms

jquery-ui.css

35 ms

styles.min.css

92 ms

Our browser made a total of 90 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Fnvzbo.nl, 62% (56 requests) were made to Zelfstandigenbouw.nl and 9% (8 requests) were made to Youtube.com. The less responsive or slowest element that took the longest time to load (1.2 sec) relates to the external source Zelfstandigenbouw.nl.

Content Size

3.8 MB

After Optimization

3.4 MB

In fact, the total size of Fnvzbo.nl main page is 3.8 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. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 3.1 MB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 89.7 kB

Original 102.5 kB
After minification 59.6 kB
After compression 12.8 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 42.9 kB, which is 42% 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 89.7 kB or 88% of the original size.

Image Optimization

-3%

Potential reduce by 97.9 kB

Original 3.1 MB
After minification 3.0 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. Fnvzbo images are well optimized though.

JavaScript Optimization

-44%

Potential reduce by 224.8 kB

Original 510.6 kB
After minification 510.5 kB
After compression 285.8 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 224.8 kB or 44% of the original size.

CSS Optimization

-0%

Potential reduce by 140 B

Original 82.0 kB
After minification 82.0 kB
After compression 81.8 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. Fnvzbo.nl has all CSS files already compressed.

Requests Now

After Optimization

The browser has sent 76 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Fnvzbo. 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 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 interpretation of your content by users in different locales.

High

<html> element does not have a [lang] attribute

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>).

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

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

High

Tap targets are not sized appropriately

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 Fnvzbo.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 Fnvzbo.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

fnvzbo.nl

Open Graph data is detected on the main page of Fnvzbo. 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

Zelfstandigen bouw - Versterkt jou | Zelfstandigen Bouw

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

fnvzbo.nl

zelfstandigenbouw.nl

www.zelfstandigenbouw.nl

jquery-ui.css

styles.min.css

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

fnvzbo.nl

zelfstandigenbouw.nl

www.zelfstandigenbouw.nl

jquery-ui.css

styles.min.css

jquery.min.js

jquery-ui.min.js

core@2

tippy.js@6

autocomplete.js

main.min.js

system.js

idfcookie.min.js

core@2.11.8

gtm.js

j.php

dQM3_2Cn40s

icon-arrowdown.svg

icon-tel-blue.svg

icon-contact-blue.svg

logo-zelfstandigenbouw.svg

icon-arrowright-white.svg

icon-zoeken-black.svg

Corporate-home.jpg

kv-logo.svg

icon-check-green.svg

icon-arrowright-orange.svg

icon-people-blue.svg

AOV%20Bouw%20Timmerman%20350%20x%20290.jpg

icon-arrowshape-green.svg

afbeelding%201.png

RBC-jongeman-witte-helm.jpg

COV-stijger-bouwplaats-klein.jpg

pensioen.jpg

Verzekering-man-met-potlood.jpg

stof-handje-klap.jpg

Startersdag%20410%20x%20300.jpg

icon-arrowright-blue.svg

klusser-woonkamer.jpg

vakmennen-tekening-lezen.jpg

Rickie-van-der-leek-schoonspuiten-klein.jpg

icon-cornerpiece-white.svg

icon-star-green.svg