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krell-engineering.com screenshot

Report Summary

  • 100

    Performance

    Renders faster than
    97% of other websites

  • 67

    Accessibility

    Visual factors better than
    that of 32% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 58

    SEO

    Google-friendlier than
    20% of websites

krell-engineering.com

Krell Engineering - design of ultrasonic resonators, ultrasonic horns

Page Load Speed

635 ms in total

First Response

166 ms

Resources Loaded

365 ms

Page Rendered

104 ms

krell-engineering.com screenshot

About Website

Visit krell-engineering.com now to see the best up-to-date Krell Engineering content and also check out these interesting facts you probably never knew about krell-engineering.com

Krell Engineering consults in the design of ultrasonic resonators (horns / sonotrodes / probes, boosters, transducers / converters) for industrial and medical applications.

Visit krell-engineering.com

Key Findings

We analyzed Krell-engineering.com page load time and found that the first response time was 166 ms and then it took 469 ms to load all DOM resources and completely render a web page. This is an excellent result, as only 5% of websites can load faster.

Performance Metrics

krell-engineering.com performance score

100

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value0.7 s

100/100

10%

LCP (Largest Contentful Paint)

Value0.7 s

100/100

25%

SI (Speed Index)

Value0.7 s

100/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value0.7 s

100/100

10%

Network Requests Diagram

krell-engineering.com

166 ms

home_cmp_krell3100_gbtn.gif

62 ms

sitemap.htm_cmp_krell3100_gbtn.gif

123 ms

whats_new.htm_cmp_krell3100_gbtn.gif

124 ms

krinfo01.htm_cmp_krell3100_gbtn.gif

122 ms

Our browser made a total of 11 requests to load all elements on the main page. We found that all of those requests were addressed to Krell-engineering.com and no external sources were called. The less responsive or slowest element that took the longest time to load (186 ms) belongs to the original domain Krell-engineering.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 9.0 kB (77%)

Content Size

11.6 kB

After Optimization

2.6 kB

  • HTML

In fact, the total size of Krell-engineering.com main page is 11.6 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. HTML takes 11.6 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 9.0 kB

  • Original 11.6 kB
  • After minification 10.0 kB
  • After compression 2.6 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 1.6 kB, which is 14% 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 9.0 kB or 77% of the original size.

Requests Breakdown

Number of requests can be reduced by 6 (60%)

Requests Now

10

After Optimization

4

  • Images

The browser has sent 10 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Krell Engineering. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.

Network Requests Diagram

krell-engineering.com

krell-engineering.com

166 ms

home_cmp_krell3100_gbtn.gif

home_cmp_krell3100_gbtn.gif

62 ms

sitemap.htm_cmp_krell3100_gbtn.gif

sitemap.htm_cmp_krell3100_gbtn.gif

123 ms

whats_new.htm_cmp_krell3100_gbtn.gif

whats_new.htm_cmp_krell3100_gbtn.gif

124 ms

krinfo01.htm_cmp_krell3100_gbtn.gif

krinfo01.htm_cmp_krell3100_gbtn.gif

122 ms

feedback.htm_cmp_krell3100_gbtn.gif

feedback.htm_cmp_krell3100_gbtn.gif

124 ms

index.html_cmp_krell3100_bnr.gif

index.html_cmp_krell3100_bnr.gif

123 ms

fwbell1f.gif

fwbell1f.gif

124 ms

phaco3f.gif

phaco3f.gif

185 ms

worbul1g.gif

worbul1g.gif

184 ms

strrulec.gif

strrulec.gif

186 ms

Accessibility Review

krell-engineering.com accessibility score

67

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

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

krell-engineering.com 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

SEO Factors

krell-engineering.com SEO score

58

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

Image elements do not have [alt] attributes

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    N/A

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Krell-engineering.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 Krell-engineering.com main page’s claimed encoding is . 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

krell-engineering.com

Open Graph description is not detected on the main page of Krell Engineering. 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: