Tools & Wizards About Us
op-terschelling.nl screenshot

Report Summary

  • 8

    Performance

    Renders faster than
    22% of other websites

  • 87

    Accessibility

    Visual factors better than
    that of 67% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 93

    SEO

    Google-friendlier than
    84% of websites

op-terschelling.nl

900+ Vakantieverblijven op Terschelling | vakantiehuis, appartement, chalet en hotel op Terschelling, vakantie eiland met strand

Page Load Speed

2.3 sec in total

First Response

451 ms

Resources Loaded

1.6 sec

Page Rendered

246 ms

op-terschelling.nl screenshot

About Website

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

Terschelling vakantie eiland - Vakantiehuisjes op Terschelling, Appartementen op Terschelling, Hotels op Terschelling, Fietsen op Terschelling | Terschelling, vakantie eiland met strand, duinen en zee

Visit op-terschelling.nl

Key Findings

We analyzed Op-terschelling.nl page load time and found that the first response time was 451 ms and then it took 1.8 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.

Performance Metrics

op-terschelling.nl performance score

8

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.1 s

9/100

10%

LCP (Largest Contentful Paint)

Value16.2 s

0/100

25%

SI (Speed Index)

Value16.4 s

0/100

10%

TBT (Total Blocking Time)

Value5,200 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.249

50/100

15%

TTI (Time to Interactive)

Value25.7 s

0/100

10%

Network Requests Diagram

op-terschelling.nl

451 ms

bootstrap.min.css

30 ms

jquery.min.js

68 ms

style.css

269 ms

site_pageB.css

285 ms

Our browser made a total of 45 requests to load all elements on the main page. We found that 33% of them (15 requests) were addressed to the original Op-terschelling.nl, 29% (13 requests) were made to Langsdekust.nl and 13% (6 requests) were made to Vlie.nl. The less responsive or slowest element that took the longest time to load (747 ms) relates to the external source Langsdekust.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 347.6 kB (21%)

Content Size

1.6 MB

After Optimization

1.3 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Op-terschelling.nl main page is 1.6 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. 40% of websites need less resources to load. Images take 1.2 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 49.6 kB

  • Original 59.6 kB
  • After minification 57.2 kB
  • After compression 10.1 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 49.6 kB or 83% of the original size.

Image Optimization

-3%

Potential reduce by 33.7 kB

  • Original 1.2 MB
  • After minification 1.2 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 Terschelling images are well optimized though.

JavaScript Optimization

-62%

Potential reduce by 150.0 kB

  • Original 240.8 kB
  • After minification 212.2 kB
  • After compression 90.8 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 150.0 kB or 62% of the original size.

CSS Optimization

-84%

Potential reduce by 114.3 kB

  • Original 136.8 kB
  • After minification 133.4 kB
  • After compression 22.5 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-terschelling.nl needs all CSS files to be minified and compressed as it can save up to 114.3 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 12 (28%)

Requests Now

43

After Optimization

31

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 43 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Op Terschelling. 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 from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

op-terschelling.nl

op-terschelling.nl

451 ms

bootstrap.min.css

bootstrap.min.css

30 ms

jquery.min.js

jquery.min.js

68 ms

style.css

style.css

269 ms

site_pageB.css

site_pageB.css

285 ms

style.css

style.css

277 ms

swfobject.js

swfobject.js

171 ms

jquery-1.11.0.min.js

jquery-1.11.0.min.js

453 ms

jquery.balloon.min.js

jquery.balloon.min.js

179 ms

format.js

format.js

259 ms

site_pageB.js

site_pageB.js

260 ms

checkdatum.js

checkdatum.js

336 ms

calendar1.js

calendar1.js

356 ms

bootstrap.min.js

bootstrap.min.js

3 ms

en.jpg

en.jpg

261 ms

foto-5.jpg

foto-5.jpg

206 ms

topFoto-avond.jpg

topFoto-avond.jpg

416 ms

camera.gif

camera.gif

86 ms

de.jpg

de.jpg

260 ms

twitter.png

twitter.png

274 ms

facebook.png

facebook.png

274 ms

googleplus.png

googleplus.png

275 ms

pagina_top.jpg

pagina_top.jpg

364 ms

topFoto-duindoorn.jpg

topFoto-duindoorn.jpg

419 ms

topFoto-fietsen.jpg

topFoto-fietsen.jpg

505 ms

topFoto-fjoer.jpg

topFoto-fjoer.jpg

442 ms

topFoto-huizen.jpg

topFoto-huizen.jpg

449 ms

topFoto-daken.jpg

topFoto-daken.jpg

453 ms

topFoto-terras.jpg

topFoto-terras.jpg

574 ms

L-strandbijavond.jpg

L-strandbijavond.jpg

747 ms

P-strandsunset.jpg

P-strandsunset.jpg

615 ms

haantjes.gif

haantjes.gif

245 ms

logo-op-terschelling.jpg

logo-op-terschelling.jpg

265 ms

foto-1.jpg

foto-1.jpg

515 ms

foto-1.jpg

foto-1.jpg

610 ms

glyphicons-halflings-regular.woff

glyphicons-halflings-regular.woff

23 ms

site_pageFetch.php

site_pageFetch.php

92 ms

Zeilschepen-in-de-jachthaven.jpg

Zeilschepen-in-de-jachthaven.jpg

670 ms

Avondrood-op-het-strand.jpg

Avondrood-op-het-strand.jpg

635 ms

site_pageSubB.js

site_pageSubB.js

93 ms

foto-6.jpg

foto-6.jpg

92 ms

logo-op-terschelling.jpg

logo-op-terschelling.jpg

93 ms

86 ms

169 ms

180 ms

Accessibility Review

op-terschelling.nl accessibility score

87

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-terschelling.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-terschelling.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-terschelling.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-terschelling.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

op-terschelling.nl

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