Tools & Wizards About Us
verhoef-training.com screenshot

Report Summary

  • 80

    Performance

    Renders faster than
    86% of other websites

  • 59

    Accessibility

    Visual factors better than
    that of 26% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 62

    SEO

    Google-friendlier than
    23% of websites

verhoef-training.com

Instructor-Led Training Courses and On-Line Classes for IT Professionals – Verhoef Training USA

Page Load Speed

1.1 sec in total

First Response

102 ms

Resources Loaded

879 ms

Page Rendered

126 ms

verhoef-training.com screenshot

About Website

Click here to check amazing Verhoef Training content. Otherwise, check out these important facts you probably never knew about verhoef-training.com

Verhoef Training USA offers Instructor-Led, On-Site or Live Web-Based courses for IT Professionals. Our classes include Mainframe, UNIX/Linux, Windows-based and Mobile platforms, COBOL, C/C++/C#, Java...

Visit verhoef-training.com

Key Findings

We analyzed Verhoef-training.com page load time and found that the first response time was 102 ms and then it took 1 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

verhoef-training.com performance score

80

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.8 s

58/100

10%

LCP (Largest Contentful Paint)

Value4.0 s

50/100

25%

SI (Speed Index)

Value2.8 s

96/100

10%

TBT (Total Blocking Time)

Value170 ms

93/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value3.6 s

91/100

10%

Network Requests Diagram

verhoef-training.com

102 ms

www.verhoef-training.com

69 ms

www.verhoef-training.com

147 ms

vweb.css

50 ms

khclient.js

48 ms

Our browser made a total of 38 requests to load all elements on the main page. We found that 95% of them (36 requests) were addressed to the original Verhoef-training.com, 5% (2 requests) were made to Ssl.google-analytics.com. The less responsive or slowest element that took the longest time to load (147 ms) belongs to the original domain Verhoef-training.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 43.6 kB (19%)

Content Size

230.0 kB

After Optimization

186.5 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Verhoef-training.com main page is 230.0 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. 20% of websites need less resources to load. Images take 127.4 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 18.2 kB

  • Original 23.4 kB
  • After minification 23.4 kB
  • After compression 5.2 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 18.2 kB or 78% of the original size.

Image Optimization

-6%

Potential reduce by 7.6 kB

  • Original 127.4 kB
  • After minification 119.9 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. Verhoef Training images are well optimized though.

JavaScript Optimization

-23%

Potential reduce by 16.8 kB

  • Original 74.7 kB
  • After minification 73.7 kB
  • After compression 57.9 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 16.8 kB or 23% of the original size.

CSS Optimization

-22%

Potential reduce by 1.0 kB

  • Original 4.5 kB
  • After minification 4.5 kB
  • After compression 3.5 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. Verhoef-training.com needs all CSS files to be minified and compressed as it can save up to 1.0 kB or 22% of the original size.

Requests Breakdown

Number of requests can be reduced by 20 (65%)

Requests Now

31

After Optimization

11

  • Images
  • JavaScript
  • CSS

The browser has sent 31 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Verhoef Training. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

verhoef-training.com

verhoef-training.com

102 ms

www.verhoef-training.com

www.verhoef-training.com

69 ms

www.verhoef-training.com

www.verhoef-training.com

147 ms

vweb.css

vweb.css

50 ms

khclient.js

khclient.js

48 ms

vweb.js

vweb.js

95 ms

home.css

home.css

74 ms

HomePage.js

HomePage.js

89 ms

HomeTiles.js

HomeTiles.js

104 ms

SlideShow.js

SlideShow.js

76 ms

scriptaculous.js

scriptaculous.js

50 ms

Logger.js

Logger.js

48 ms

prototype.js

prototype.js

51 ms

Logger.js

Logger.js

56 ms

scriptaculous.js

scriptaculous.js

50 ms

effects.js

effects.js

15 ms

effects.js

effects.js

62 ms

ToolTip.js

ToolTip.js

12 ms

ga.js

ga.js

25 ms

ToolTip.js

ToolTip.js

50 ms

MultiMenu.js

MultiMenu.js

63 ms

__utm.gif

__utm.gif

12 ms

shadow-right.png

shadow-right.png

32 ms

header-bg.jpg

header-bg.jpg

49 ms

header-logo-us.png

header-logo-us.png

25 ms

navbar-bg.gif

navbar-bg.gif

41 ms

show-airport.jpg

show-airport.jpg

22 ms

tab-side-border.jpg

tab-side-border.jpg

28 ms

tabset-4.jpg

tabset-4.jpg

48 ms

active-tab-4.gif

active-tab-4.gif

48 ms

us_flag.gif

us_flag.gif

56 ms

uk_flag.gif

uk_flag.gif

76 ms

eu_flag.gif

eu_flag.gif

80 ms

za_flag.gif

za_flag.gif

88 ms

worldwide_flag.jpg

worldwide_flag.jpg

98 ms

f-icon.png

f-icon.png

71 ms

down-arrow.gif

down-arrow.gif

88 ms

bottom-std.jpg

bottom-std.jpg

103 ms

Accessibility Review

verhoef-training.com accessibility score

59

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

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

verhoef-training.com best practices score

58

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

General

Impact

Issue

High

Browser errors were logged to the console

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

verhoef-training.com SEO score

62

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Verhoef-training.com 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 Verhoef-training.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

verhoef-training.com

Open Graph description is not detected on the main page of Verhoef Training. 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: