Report Summary

  • 93

    Performance

    Renders faster than
    92% of other websites

  • 72

    Accessibility

    Visual factors better than
    that of 38% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 62

    SEO

    Google-friendlier than
    22% of websites

hv-switch.com

Behlke HV Switches in MOSFET, IGBT and Thyristor Technology

Page Load Speed

2.4 sec in total

First Response

549 ms

Resources Loaded

1.6 sec

Page Rendered

188 ms

hv-switch.com screenshot

About Website

Visit hv-switch.com now to see the best up-to-date HV Switch content and also check out these interesting facts you probably never knew about hv-switch.com

BEHLKE. Leading manufacturer of fast HV switches for industrial, medical, military and scientific applications

Visit hv-switch.com

Key Findings

We analyzed Hv-switch.com page load time and found that the first response time was 549 ms and then it took 1.8 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

hv-switch.com performance score

93

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.0 s

100/100

10%

LCP (Largest Contentful Paint)

Value3.2 s

73/100

25%

SI (Speed Index)

Value1.3 s

100/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.047

99/100

15%

TTI (Time to Interactive)

Value1.0 s

100/100

10%

Network Requests Diagram

hv-switch.com

549 ms

wave1.jpg

232 ms

kopfleiste_logo.jpg

434 ms

30_years_small.jpg

231 ms

blue_bullet_sq.gif

228 ms

Our browser made a total of 45 requests to load all elements on the main page. We found that all of those requests were addressed to Hv-switch.com and no external sources were called. The less responsive or slowest element that took the longest time to load (572 ms) belongs to the original domain Hv-switch.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 65.4 kB (24%)

Content Size

273.3 kB

After Optimization

207.9 kB

In fact, the total size of Hv-switch.com main page is 273.3 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. 20% of websites need less resources to load. Images take 223.4 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 41.5 kB

  • Original 49.9 kB
  • After minification 48.7 kB
  • After compression 8.4 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 41.5 kB or 83% of the original size.

Image Optimization

-11%

Potential reduce by 23.9 kB

  • Original 223.4 kB
  • After minification 199.5 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. Obviously, HV Switch needs image optimization as it can save up to 23.9 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

Requests Breakdown

We found no issues to fix!

Requests Now

41

After Optimization

41

The browser has sent 41 CSS, Javascripts, AJAX and image requests in order to completely render the main page of HV Switch. According to our analytics all requests are already optimized.

Accessibility Review

hv-switch.com accessibility score

72

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

Best Practices

hv-switch.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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

High

Browser errors were logged to the console

SEO Factors

hv-switch.com SEO score

62

Search Engine Optimization Advices

Content Best Practices

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

Impact

Issue

High

Links do not have descriptive text

High

Image elements do not have [alt] attributes

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    ISO-8859-1

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

Open Graph description is not detected on the main page of HV Switch. 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: