Tools & Wizards About Us

Report Summary

  • 36

    Performance

    Renders faster than
    55% of other websites

  • 88

    Accessibility

    Visual factors better than
    that of 68% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

op-vlieland.nl

300+ vakantieverblijven op Vlieland | vakantiehuis, appartement of hotel op Vlieland

Page Load Speed

4.8 sec in total

First Response

461 ms

Resources Loaded

3.2 sec

Page Rendered

1.1 sec

About Website

Click here to check amazing Op Vlieland content for Netherlands. Otherwise, check out these important facts you probably never knew about op-vlieland.nl

Vlieland vakantie eiland - Vakantiehuisjes op Vlieland, Appartementen op Vlieland, Bungalows op Vlieland, Fietsen op Vlieland, Wandelen op Vlieland | Vlieland, vakantie eiland met strand, duinen, zee

Visit op-vlieland.nl

Key Findings

We analyzed Op-vlieland.nl page load time and found that the first response time was 461 ms and then it took 4.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

op-vlieland.nl performance score

36

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.0 s

23/100

10%

LCP (Largest Contentful Paint)

Value18.8 s

0/100

25%

SI (Speed Index)

Value13.6 s

2/100

10%

TBT (Total Blocking Time)

Value490 ms

59/100

30%

CLS (Cumulative Layout Shift)

Value0.021

100/100

15%

TTI (Time to Interactive)

Value19.0 s

3/100

10%

Network Requests Diagram

op-vlieland.nl

461 ms

bootstrap.min.css

41 ms

jquery.min.js

27 ms

style.css

468 ms

site_pageB.css

182 ms

Our browser made a total of 141 requests to load all elements on the main page. We found that 71% of them (100 requests) were addressed to the original Op-vlieland.nl, 13% (19 requests) were made to Langsdekust.nl and 9% (12 requests) were made to Opdewadden.nl. The less responsive or slowest element that took the longest time to load (2 sec) relates to the external source Ecvlieland.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 565.0 kB (3%)

Content Size

17.3 MB

After Optimization

16.8 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Op-vlieland.nl main page is 17.3 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 17.1 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 54.9 kB

  • Original 68.1 kB
  • After minification 65.0 kB
  • After compression 13.2 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 54.9 kB or 81% of the original size.

Image Optimization

-3%

Potential reduce by 501.5 kB

  • Original 17.1 MB
  • After minification 16.6 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. Op Vlieland images are well optimized though.

JavaScript Optimization

-4%

Potential reduce by 5.2 kB

  • Original 120.3 kB
  • After minification 120.3 kB
  • After compression 115.1 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.

CSS Optimization

-9%

Potential reduce by 3.4 kB

  • Original 37.4 kB
  • After minification 37.4 kB
  • After compression 34.1 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. Op-vlieland.nl has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 20 (14%)

Requests Now

139

After Optimization

119

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 139 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Op Vlieland. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

op-vlieland.nl accessibility score

88

Accessibility Issues

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

Buttons do not have an accessible name

High

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

Best Practices

op-vlieland.nl best practices score

75

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

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

op-vlieland.nl SEO score

93

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

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

    N/A

  • Language Claimed

    NL

  • Encoding

    WINDOWS-1252

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Op-vlieland.nl can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else), while the claimed language is Dutch. Our system also found out that Op-vlieland.nl main page’s claimed encoding is windows-1252. 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 description is not detected on the main page of Op Vlieland. 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: