Access vanderloo-optiek.nl. Welkom bij Van der Loo optiek

name

value

score

weighting

FCP (First Contentful Paint)

Value6.5 s

2/100

10%

LCP (Largest Contentful Paint)

Value10.5 s

0/100

25%

SI (Speed Index)

Value10.6 s

7/100

10%

TBT (Total Blocking Time)

Value220 ms

88/100

30%

CLS (Cumulative Layout Shift)

Value0.051

99/100

15%

TTI (Time to Interactive)

Value10.2 s

25/100

10%

vanderloo-optiek.nl

298 ms

style.css

96 ms

vanderloo_10.jpg

275 ms

Our browser made a total of 3 requests to load all elements on the main page. We found that all of those requests were addressed to Vanderloo-optiek.nl and no external sources were called. The less responsive or slowest element that took the longest time to load (298 ms) belongs to the original domain Vanderloo-optiek.nl.

Content Size

50.7 kB

After Optimization

48.3 kB

In fact, the total size of Vanderloo-optiek.nl main page is 50.7 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only 5% of websites need less resources to load. Images take 47.0 kB which makes up the majority of the site volume.

HTML Optimization

-60%

Potential reduce by 1.4 kB

Original 2.3 kB
After minification 2.1 kB
After compression 935 B

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 1.4 kB or 60% of the original size.

Image Optimization

-0%

Potential reduce by 22 B

Original 47.0 kB
After minification 47.0 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. Van Der Loo Optiek images are well optimized though.

CSS Optimization

-71%

Potential reduce by 959 B

Original 1.4 kB
After minification 920 B
After compression 392 B

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. Vanderloo-optiek.nl needs all CSS files to be minified and compressed as it can save up to 959 B or 71% of the original size.

Requests Now

After Optimization

The browser has sent 2 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Van Der Loo Optiek. According to our analytics all requests are already optimized.

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 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

Areas of Improvement

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

High

Serves images with low resolution

Low

Detected JavaScript libraries

Search Engine Optimization Advices

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

EN
Language Claimed

N/A
Encoding

ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Vanderloo-optiek.nl can be misinterpreted by Google and other search engines. Our service has detected that English 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 Vanderloo-optiek.nl main page’s claimed encoding is iso-8859-1. 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 Van Der Loo Optiek. 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: