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Report Summary

About Website

Visit lab5.nl now to see the best up-to-date Lab 5 content and also check out these interesting facts you probably never knew about lab5.nl

Ik denk met je mee voor de ontwikkeling van een nieuwe website of bij het optimaliseren van je huidige website.

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name

value

score

weighting

FCP (First Contentful Paint)

Value0.6 s

100/100

10%

LCP (Largest Contentful Paint)

Value0.6 s

100/100

25%

SI (Speed Index)

Value0.8 s

100/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value0.6 s

100/100

10%

lab5.nl

396 ms

Our browser made a total of 1 request to load all elements on the main page. We found that all of those requests were addressed to Lab5.nl and no external sources were called. The less responsive or slowest element that took the longest time to load (396 ms) belongs to the original domain Lab5.nl.

Content Size

245.1 kB

After Optimization

218.6 kB

In fact, the total size of Lab5.nl main page is 245.1 kB. This result falls within the top 5000 of lightweight and thus fast loading web pages. Only a small number of websites need less resources to load. Images take 228.8 kB which makes up the majority of the site volume.

HTML Optimization

-42%

Potential reduce by 182 B

Original 434 B
After minification 397 B
After compression 252 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 182 B or 42% of the original size.

Image Optimization

-10%

Potential reduce by 24.0 kB

Original 228.8 kB
After minification 204.8 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. Lab 5 images are well optimized though.

CSS Optimization

-15%

Potential reduce by 2.3 kB

Original 15.8 kB
After minification 13.8 kB
After compression 13.5 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. Lab5.nl needs all CSS files to be minified and compressed as it can save up to 2.3 kB or 15% of the original size.

Requests Now

After Optimization

Besides the initial HTML request, no CSS, Javascripts, AJAX or image files were requested in the course of web page rendering.

Accessibility Issues

These are opportunities to improve the interpretation of your content by users in different locales.

High

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

Search Engine Optimization Advices

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 Lab5.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 Lab5.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 Lab 5. 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: