Report Summary

  • 0

    Performance

  • 0

    Accessibility

  • 0

    Best Practices

  • 0

    SEO

Page Load Speed

6.7 sec in total

First Response

1.5 sec

Resources Loaded

4.5 sec

Page Rendered

715 ms

costaronline.nl screenshot

About Website

Welcome to costaronline.nl homepage info - get ready to check Costaronline best content right away, or after learning these important things about costaronline.nl

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Key Findings

We analyzed Costaronline.nl page load time and found that the first response time was 1.5 sec and then it took 5.2 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

costaronline.nl performance score

0

Network Requests Diagram

costaronline.nl

1518 ms

css

24 ms

css

36 ms

normalize.css

571 ms

grid.css

586 ms

Our browser made a total of 69 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Costaronline.nl, 72% (50 requests) were made to Costaronsax.com and 9% (6 requests) were made to Img.youtube.com. The less responsive or slowest element that took the longest time to load (2 sec) relates to the external source Costaronsax.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 659.8 kB (22%)

Content Size

3.0 MB

After Optimization

2.3 MB

In fact, the total size of Costaronline.nl main page is 3.0 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. 45% of websites need less resources to load. Images take 2.1 MB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 17.2 kB

  • Original 22.5 kB
  • After minification 20.1 kB
  • After compression 5.2 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. This page needs HTML code to be minified as it can gain 2.4 kB, which is 11% 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 17.2 kB or 77% of the original size.

Image Optimization

-1%

Potential reduce by 25.6 kB

  • Original 2.1 MB
  • After minification 2.0 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. Costaronline images are well optimized though.

JavaScript Optimization

-65%

Potential reduce by 393.6 kB

  • Original 602.7 kB
  • After minification 555.8 kB
  • After compression 209.1 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 393.6 kB or 65% of the original size.

CSS Optimization

-83%

Potential reduce by 223.3 kB

  • Original 269.8 kB
  • After minification 259.9 kB
  • After compression 46.5 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. Costaronline.nl needs all CSS files to be minified and compressed as it can save up to 223.3 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 22 (33%)

Requests Now

67

After Optimization

45

The browser has sent 67 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Costaronline. 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 9 to 1 for CSS and as a result speed up the page load time.

SEO Factors

costaronline.nl SEO score

0

Language and Encoding

  • Language Detected

    N/A

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Costaronline.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) and no language is claimed in <html> or <meta> tags either. Our system also found out that Costaronline.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

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