Tools & Wizards About Us
sandervanvugt.com screenshot

Report Summary

  • 13

    Performance

    Renders faster than
    25% of other websites

  • 70

    Accessibility

    Visual factors better than
    that of 36% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 98

    SEO

    Google-friendlier than
    92% of websites

sandervanvugt.com

Independent Linux trainer, author and consultant - Sander van Vugt

Page Load Speed

4.8 sec in total

First Response

1.1 sec

Resources Loaded

3.4 sec

Page Rendered

407 ms

sandervanvugt.com screenshot

About Website

Click here to check amazing Sander Van Vugt content for Bangladesh. Otherwise, check out these important facts you probably never knew about sandervanvugt.com

Sander van Vugt is independent Linux trainer, author, consultant. Best-selling author of books and videos about Red Hat, CompTIA Linux+ / LPIC-1 and more.

Visit sandervanvugt.com

Key Findings

We analyzed Sandervanvugt.com page load time and found that the first response time was 1.1 sec and then it took 3.8 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

sandervanvugt.com performance score

13

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.6 s

2/100

10%

LCP (Largest Contentful Paint)

Value6.6 s

8/100

25%

SI (Speed Index)

Value25.4 s

0/100

10%

TBT (Total Blocking Time)

Value32,960 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.164

72/100

15%

TTI (Time to Interactive)

Value44.9 s

0/100

10%

Network Requests Diagram

www.sandervanvugt.com

1055 ms

wp-emoji-release.min.js

261 ms

styles.css

176 ms

easy-author-image.css

177 ms

css

25 ms

Our browser made a total of 62 requests to load all elements on the main page. We found that 87% of them (54 requests) were addressed to the original Sandervanvugt.com, 6% (4 requests) were made to Wp.sandervanvugt.com and 5% (3 requests) 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 Sandervanvugt.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.1 MB (54%)

Content Size

2.0 MB

After Optimization

926.4 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Sandervanvugt.com main page is 2.0 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. 50% of websites need less resources to load. Images take 745.6 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 62.4 kB

  • Original 78.0 kB
  • After minification 69.5 kB
  • After compression 15.6 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 8.5 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 62.4 kB or 80% of the original size.

Image Optimization

-9%

Potential reduce by 64.6 kB

  • Original 745.6 kB
  • After minification 680.9 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. Sander Van Vugt images are well optimized though.

JavaScript Optimization

-71%

Potential reduce by 355.9 kB

  • Original 503.2 kB
  • After minification 474.0 kB
  • After compression 147.3 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 355.9 kB or 71% of the original size.

CSS Optimization

-88%

Potential reduce by 603.4 kB

  • Original 685.9 kB
  • After minification 608.3 kB
  • After compression 82.5 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. Sandervanvugt.com needs all CSS files to be minified and compressed as it can save up to 603.4 kB or 88% of the original size.

Requests Breakdown

Number of requests can be reduced by 35 (60%)

Requests Now

58

After Optimization

23

  • Images
  • JavaScript
  • CSS

The browser has sent 58 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sander Van Vugt. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 21 to 1 for JavaScripts and from 16 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

www.sandervanvugt.com

www.sandervanvugt.com

1055 ms

wp-emoji-release.min.js

wp-emoji-release.min.js

261 ms

styles.css

styles.css

176 ms

easy-author-image.css

easy-author-image.css

177 ms

css

css

25 ms

optinforms.css

optinforms.css

267 ms

settings.css

settings.css

349 ms

wp_shopping_cart_style.css

wp_shopping_cart_style.css

264 ms

wpfront-notification-bar.css

wpfront-notification-bar.css

264 ms

checkbox.min.css

checkbox.min.css

329 ms

css

css

34 ms

bootstrap.min.css

bootstrap.min.css

517 ms

font-awesome.min.css

font-awesome.min.css

432 ms

owl.carousel.css

owl.carousel.css

353 ms

owl.theme.css

owl.theme.css

352 ms

style.css

style.css

674 ms

form-theme-dark.min.css

form-theme-dark.min.css

435 ms

js_composer.css

js_composer.css

1040 ms

jquery.js

jquery.js

695 ms

placeholder.js

placeholder.js

519 ms

jquery.themepunch.tools.min.js

jquery.themepunch.tools.min.js

693 ms

jquery.themepunch.revolution.min.js

jquery.themepunch.revolution.min.js

773 ms

jquery.c.js

jquery.c.js

602 ms

wpfront-notification-bar.js

wpfront-notification-bar.js

689 ms

css

css

15 ms

jquery.form.min.js

jquery.form.min.js

556 ms

scripts.js

scripts.js

544 ms

waypoints.min.js

waypoints.min.js

548 ms

bootstrap.min.js

bootstrap.min.js

546 ms

owl.carousel.min.js

owl.carousel.min.js

613 ms

comment-reply.min.js

comment-reply.min.js

625 ms

SmoothScroll.js

SmoothScroll.js

630 ms

jquery-migrate.min.js

jquery-migrate.min.js

632 ms

cactus-themes.js

cactus-themes.js

633 ms

custom.js

custom.js

699 ms

jquery.formatDateTime.min.js

jquery.formatDateTime.min.js

711 ms

underscore-min.js

underscore-min.js

714 ms

wp-embed.min.js

wp-embed.min.js

717 ms

js_composer_front.js

js_composer_front.js

717 ms

Logo_SanderVanVugt_ondertitel3.png

Logo_SanderVanVugt_ondertitel3.png

346 ms

Logo_SanderVanVugt_ondertitel3.png

Logo_SanderVanVugt_ondertitel3.png

339 ms

suse-linux-trainer-sander-van-vugt-300x300.png

suse-linux-trainer-sander-van-vugt-300x300.png

541 ms

linux-consultant-independent-sander-300x300.png

linux-consultant-independent-sander-300x300.png

629 ms

linux-free-training-sander-van-vugt-300x300.png

linux-free-training-sander-van-vugt-300x300.png

543 ms

free-online-training-series.png

free-online-training-series.png

325 ms

icon-user-01.png

icon-user-01.png

325 ms

icon-email-01.png

icon-email-01.png

325 ms

redhat-openstack-online-video-course.png

redhat-openstack-online-video-course.png

325 ms

vSphere-6-Foundations-online-video-course-t.png

vSphere-6-Foundations-online-video-course-t.png

326 ms

RHATcertification-tr.png

RHATcertification-tr.png

325 ms

prepare-for-rhcsa-exams-with-online-exams.png

prepare-for-rhcsa-exams-with-online-exams.png

450 ms

willem-meen-150x150.jpg

willem-meen-150x150.jpg

326 ms

dean.jpg

dean.jpg

328 ms

temp.png

temp.png

326 ms

email-icon.png

email-icon.png

326 ms

li.png

li.png

327 ms

yt.png

yt.png

328 ms

tw.png

tw.png

336 ms

fb-icon.png

fb-icon.png

350 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

395 ms

zhcz-_WihjSQC0oHJ9TCYC3USBnSvpkopQaUR-2r7iU.ttf

zhcz-_WihjSQC0oHJ9TCYC3USBnSvpkopQaUR-2r7iU.ttf

18 ms

arrow_down.png

arrow_down.png

293 ms

Accessibility Review

sandervanvugt.com accessibility score

70

Accessibility Issues

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

Buttons do not have an accessible name

High

<frame> or <iframe> elements do not have a title

High

Form elements do not have associated labels

High

Links do not have a discernible name

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

sandervanvugt.com best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

sandervanvugt.com SEO score

98

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

High

Tap targets are not sized appropriately

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 Sandervanvugt.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 Sandervanvugt.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

sandervanvugt.com

Open Graph data is detected on the main page of Sander Van Vugt. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: