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sjoerdjanterwelle.com screenshot

Report Summary

  • 64

    Performance

    Renders faster than
    77% of other websites

  • 96

    Accessibility

    Visual factors better than
    that of 88% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

sjoerdjanterwelle.com

Sjoerd Jan ter Welle - A pilot who doesn't have any fear probably isn't flying his plane to its maximum. - Jon McBride, astronaut

Page Load Speed

3.8 sec in total

First Response

355 ms

Resources Loaded

3.1 sec

Page Rendered

316 ms

sjoerdjanterwelle.com screenshot

About Website

Visit sjoerdjanterwelle.com now to see the best up-to-date Sjoerd Jan Ter Welle content and also check out these interesting facts you probably never knew about sjoerdjanterwelle.com

A pilot who doesn't have any fear probably isn't flying his plane to its maximum. - Jon McBride, astronaut

Visit sjoerdjanterwelle.com

Key Findings

We analyzed Sjoerdjanterwelle.com page load time and found that the first response time was 355 ms and then it took 3.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

sjoerdjanterwelle.com performance score

64

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.5 s

35/100

10%

LCP (Largest Contentful Paint)

Value4.6 s

34/100

25%

SI (Speed Index)

Value3.9 s

82/100

10%

TBT (Total Blocking Time)

Value80 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0.217

57/100

15%

TTI (Time to Interactive)

Value6.5 s

59/100

10%

Network Requests Diagram

sjoerdjanterwelle.com

355 ms

sjoerdjanterwelle.com

1132 ms

q-a-plus.css

88 ms

style.css

175 ms

style.min.css

339 ms

Our browser made a total of 41 requests to load all elements on the main page. We found that 93% of them (38 requests) were addressed to the original Sjoerdjanterwelle.com, 5% (2 requests) were made to Fonts.gstatic.com and 2% (1 request) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Sjoerdjanterwelle.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 51.5 kB (6%)

Content Size

923.3 kB

After Optimization

871.8 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Sjoerdjanterwelle.com main page is 923.3 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. 30% of websites need less resources to load. Images take 697.0 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 44.4 kB

  • Original 57.7 kB
  • After minification 57.0 kB
  • After compression 13.3 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 44.4 kB or 77% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 697.0 kB
  • After minification 697.0 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. Sjoerd Jan Ter Welle images are well optimized though.

JavaScript Optimization

-3%

Potential reduce by 3.5 kB

  • Original 100.8 kB
  • After minification 100.8 kB
  • After compression 97.3 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. This website has mostly compressed JavaScripts.

CSS Optimization

-5%

Potential reduce by 3.6 kB

  • Original 67.8 kB
  • After minification 67.8 kB
  • After compression 64.2 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. Sjoerdjanterwelle.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 26 (70%)

Requests Now

37

After Optimization

11

  • Images
  • JavaScript
  • CSS

The browser has sent 37 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sjoerd Jan Ter Welle. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and from 14 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

sjoerdjanterwelle.com

sjoerdjanterwelle.com

355 ms

sjoerdjanterwelle.com

sjoerdjanterwelle.com

1132 ms

q-a-plus.css

q-a-plus.css

88 ms

style.css

style.css

175 ms

style.min.css

style.min.css

339 ms

cleantalk-public.min.css

cleantalk-public.min.css

262 ms

front.min.css

front.min.css

254 ms

social_widget.css

social_widget.css

255 ms

widget-options.css

widget-options.css

262 ms

dashicons.min.css

dashicons.min.css

342 ms

css

css

32 ms

style.css

style.css

341 ms

Amazon.css

Amazon.css

341 ms

colorbox.css

colorbox.css

350 ms

rfg.css

rfg.css

351 ms

style.css

style.css

422 ms

jquery.min.js

jquery.min.js

510 ms

jquery-migrate.min.js

jquery-migrate.min.js

425 ms

apbct-public-bundle.min.js

apbct-public-bundle.min.js

429 ms

responsive-menu.js

responsive-menu.js

437 ms

js.cookie-2.1.3.min.js

js.cookie-2.1.3.min.js

439 ms

jquery.bind-first-0.2.3.min.js

jquery.bind-first-0.2.3.min.js

506 ms

public.js

public.js

595 ms

jquery.colorbox-min.js

jquery.colorbox-min.js

524 ms

mycolorbox.js

mycolorbox.js

523 ms

q-a-plus.js

q-a-plus.js

523 ms

front.min.js

front.min.js

590 ms

ratings.js

ratings.js

591 ms

gdpr-donotsell.js

gdpr-donotsell.js

628 ms

jquery.flexslider.js

jquery.flexslider.js

629 ms

Africa-Sept-2017-19.jpg

Africa-Sept-2017-19.jpg

1041 ms

Paris-Dec-2017-27-300x259.jpg

Paris-Dec-2017-27-300x259.jpg

90 ms

currency-strength-meter-300x217.png

currency-strength-meter-300x217.png

90 ms

Africa-Sept-2017-137-300x200.jpg

Africa-Sept-2017-137-300x200.jpg

90 ms

facebook.png

facebook.png

92 ms

twitter.png

twitter.png

93 ms

linkedin.png

linkedin.png

96 ms

youtube.png

youtube.png

174 ms

crossing-boundaries-cover.jpg

crossing-boundaries-cover.jpg

176 ms

ieVo2ZhZI2eCN5jzbjEETS9weq8-_d6T_POl0fRJeyXsosBO5Xk.ttf

ieVo2ZhZI2eCN5jzbjEETS9weq8-_d6T_POl0fRJeyXsosBO5Xk.ttf

19 ms

ieVo2ZhZI2eCN5jzbjEETS9weq8-_d6T_POl0fRJeyVVpcBO5Xk.ttf

ieVo2ZhZI2eCN5jzbjEETS9weq8-_d6T_POl0fRJeyVVpcBO5Xk.ttf

27 ms

Accessibility Review

sjoerdjanterwelle.com accessibility score

96

Accessibility Issues

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

sjoerdjanterwelle.com best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

sjoerdjanterwelle.com SEO score

100

Search Engine Optimization Advices

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

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sjoerdjanterwelle.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Sjoerdjanterwelle.com 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

sjoerdjanterwelle.com

Open Graph description is not detected on the main page of Sjoerd Jan Ter Welle. 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: