Tools & Wizards About Us
basmangelsdorf.nl screenshot

Report Summary

  • 98

    Performance

    Renders faster than
    95% of other websites

  • 84

    Accessibility

    Visual factors better than
    that of 57% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 75

    SEO

    Google-friendlier than
    32% of websites

basmangelsdorf.nl

Sebastiaan Mangelsdorf online portfolio

Page Load Speed

1.4 sec in total

First Response

203 ms

Resources Loaded

1 sec

Page Rendered

170 ms

basmangelsdorf.nl screenshot

About Website

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

Online portfolio of webdeveloper Sebastiaan Mangelsdorf

Visit basmangelsdorf.nl

Key Findings

We analyzed Basmangelsdorf.nl page load time and found that the first response time was 203 ms and then it took 1.2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 20% of websites can load faster.

Performance Metrics

basmangelsdorf.nl performance score

98

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value0.8 s

100/100

10%

LCP (Largest Contentful Paint)

Value0.8 s

100/100

25%

SI (Speed Index)

Value1.6 s

100/100

10%

TBT (Total Blocking Time)

Value170 ms

93/100

30%

CLS (Cumulative Layout Shift)

Value0.004

100/100

15%

TTI (Time to Interactive)

Value1.0 s

100/100

10%

Network Requests Diagram

basmangelsdorf.nl

203 ms

default.css

119 ms

titleWie.gif

180 ms

titlePortfolio.gif

178 ms

menu1Check.gif

180 ms

Our browser made a total of 12 requests to load all elements on the main page. We found that all of those requests were addressed to Basmangelsdorf.nl and no external sources were called. The less responsive or slowest element that took the longest time to load (712 ms) belongs to the original domain Basmangelsdorf.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 10.9 kB (2%)

Content Size

596.1 kB

After Optimization

585.2 kB

  • HTML
  • Images
  • CSS

In fact, the total size of Basmangelsdorf.nl main page is 596.1 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. Only 5% of websites need less resources to load. Images take 588.6 kB which makes up the majority of the site volume.

HTML Optimization

-63%

Potential reduce by 2.5 kB

  • Original 4.0 kB
  • After minification 3.3 kB
  • After compression 1.5 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 631 B, which is 16% 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 2.5 kB or 63% of the original size.

Image Optimization

-1%

Potential reduce by 5.7 kB

  • Original 588.6 kB
  • After minification 582.9 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. Bas Mangelsdorf images are well optimized though.

CSS Optimization

-76%

Potential reduce by 2.6 kB

  • Original 3.5 kB
  • After minification 2.8 kB
  • After compression 847 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. Basmangelsdorf.nl needs all CSS files to be minified and compressed as it can save up to 2.6 kB or 76% of the original size.

Requests Breakdown

Number of requests can be reduced by 5 (45%)

Requests Now

11

After Optimization

6

  • Images
  • CSS

The browser has sent 11 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Bas Mangelsdorf. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.

Network Requests Diagram

basmangelsdorf.nl

basmangelsdorf.nl

203 ms

default.css

default.css

119 ms

titleWie.gif

titleWie.gif

180 ms

titlePortfolio.gif

titlePortfolio.gif

178 ms

menu1Check.gif

menu1Check.gif

180 ms

SebastiaanM.jpg

SebastiaanM.jpg

344 ms

portfolio.jpg

portfolio.jpg

179 ms

nature_0077.jpg

nature_0077.jpg

712 ms

bgTop.gif

bgTop.gif

143 ms

menu2.gif

menu2.gif

144 ms

menu3.gif

menu3.gif

145 ms

bgFooter.gif

bgFooter.gif

170 ms

Accessibility Review

basmangelsdorf.nl accessibility score

84

Accessibility Issues

Internationalization and localization

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

Impact

Issue

High

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

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

Links do not have a discernible name

Best Practices

basmangelsdorf.nl best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

SEO Factors

basmangelsdorf.nl SEO score

75

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 Basmangelsdorf.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 Basmangelsdorf.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

basmangelsdorf.nl

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