Tools & Wizards About Us
vonwentzel.net screenshot

Report Summary

  • 91

    Performance

    Renders faster than
    91% of other websites

  • 85

    Accessibility

    Visual factors better than
    that of 58% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

vonwentzel.net

On the von Wentzel, Prout Catamarans, and other things.

Page Load Speed

1.2 sec in total

First Response

104 ms

Resources Loaded

941 ms

Page Rendered

152 ms

vonwentzel.net screenshot

About Website

Click here to check amazing Von Wentzel content for United States. Otherwise, check out these important facts you probably never knew about vonwentzel.net

On the and von Wentzel, our Prout Escale catamaran, lead acid batteries, cost modeling, Apple Airport wireless networks, and home heating and cooling systems.

Visit vonwentzel.net

Key Findings

We analyzed Vonwentzel.net page load time and found that the first response time was 104 ms and then it took 1.1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.

Performance Metrics

vonwentzel.net performance score

91

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.1 s

99/100

10%

LCP (Largest Contentful Paint)

Value1.6 s

99/100

25%

SI (Speed Index)

Value1.4 s

100/100

10%

TBT (Total Blocking Time)

Value370 ms

70/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value2.0 s

99/100

10%

Network Requests Diagram

vonwentzel.net

104 ms

screen.css

53 ms

ABS.jpg

79 ms

Battery.jpg

126 ms

CatsPJs.jpg

127 ms

Our browser made a total of 10 requests to load all elements on the main page. We found that all of those requests were addressed to Vonwentzel.net and no external sources were called. The less responsive or slowest element that took the longest time to load (334 ms) belongs to the original domain Vonwentzel.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 7.0 kB (13%)

Content Size

52.7 kB

After Optimization

45.7 kB

  • HTML
  • Images
  • CSS

In fact, the total size of Vonwentzel.net main page is 52.7 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only 5% of websites need less resources to load. Images take 43.0 kB which makes up the majority of the site volume.

HTML Optimization

-56%

Potential reduce by 3.2 kB

  • Original 5.7 kB
  • After minification 5.6 kB
  • After compression 2.5 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. 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 3.2 kB or 56% of the original size.

Image Optimization

-2%

Potential reduce by 911 B

  • Original 43.0 kB
  • After minification 42.1 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. Von Wentzel images are well optimized though.

CSS Optimization

-73%

Potential reduce by 3.0 kB

  • Original 4.0 kB
  • After minification 3.2 kB
  • After compression 1.1 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. Vonwentzel.net needs all CSS files to be minified and compressed as it can save up to 3.0 kB or 73% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

9

After Optimization

9

  • Images
  • CSS

The browser has sent 9 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Von Wentzel. According to our analytics all requests are already optimized.

Network Requests Diagram

vonwentzel.net

vonwentzel.net

104 ms

screen.css

screen.css

53 ms

ABS.jpg

ABS.jpg

79 ms

Battery.jpg

Battery.jpg

126 ms

CatsPJs.jpg

CatsPJs.jpg

127 ms

Prout.jpg

Prout.jpg

334 ms

Dinghy.jpg

Dinghy.jpg

100 ms

HVAC.jpg

HVAC.jpg

109 ms

Money.jpg

Money.jpg

116 ms

print.css

print.css

22 ms

Accessibility Review

vonwentzel.net accessibility score

85

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.

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

Best Practices

vonwentzel.net best practices score

67

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

SEO Factors

vonwentzel.net SEO score

77

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Vonwentzel.net 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 Vonwentzel.net main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

vonwentzel.net

Open Graph description is not detected on the main page of Von Wentzel. 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: