Tools & Wizards About Us
kert.it screenshot

Report Summary

  • 42

    Performance

    Renders faster than
    61% of other websites

  • 84

    Accessibility

    Visual factors better than
    that of 56% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

kert.it

Power supplies, UPS, inverter and voltage stabilizers | KERT

Page Load Speed

4.2 sec in total

First Response

350 ms

Resources Loaded

2.3 sec

Page Rendered

1.5 sec

kert.it screenshot

About Website

Welcome to kert.it homepage info - get ready to check KERT best content right away, or after learning these important things about kert.it

For over 30 years KERT has been designing, manufacturing and trading around the world electronic equipment suitable to ensure energy and electrical continuity to every kind of application

Visit kert.it

Key Findings

We analyzed Kert.it page load time and found that the first response time was 350 ms and then it took 3.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

kert.it performance score

42

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.1 s

9/100

10%

LCP (Largest Contentful Paint)

Value5.9 s

14/100

25%

SI (Speed Index)

Value7.3 s

29/100

10%

TBT (Total Blocking Time)

Value580 ms

51/100

30%

CLS (Cumulative Layout Shift)

Value0.004

100/100

15%

TTI (Time to Interactive)

Value7.5 s

47/100

10%

Network Requests Diagram

kert.it

350 ms

www.kert.it

572 ms

en

772 ms

gtm.js

59 ms

style.css

211 ms

Our browser made a total of 6 requests to load all elements on the main page. We found that 83% of them (5 requests) were addressed to the original Kert.it, 17% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (772 ms) belongs to the original domain Kert.it.

Page Optimization Overview & Recommendations

Page size can be reduced by 148.9 kB (67%)

Content Size

223.2 kB

After Optimization

74.3 kB

  • HTML
  • CSS

In fact, the total size of Kert.it main page is 223.2 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. HTML takes 170.2 kB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 147.9 kB

  • Original 170.2 kB
  • After minification 119.7 kB
  • After compression 22.3 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 50.4 kB, which is 30% 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 147.9 kB or 87% of the original size.

CSS Optimization

-2%

Potential reduce by 985 B

  • Original 53.0 kB
  • After minification 53.0 kB
  • After compression 52.0 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. Kert.it has all CSS files already compressed.

Requests Breakdown

We found no issues to fix!

Requests Now

3

After Optimization

3

  • JavaScript
  • CSS

The browser has sent 3 CSS, Javascripts, AJAX and image requests in order to completely render the main page of KERT. According to our analytics all requests are already optimized.

Network Requests Diagram

kert.it

kert.it

350 ms

www.kert.it

www.kert.it

572 ms

en

en

772 ms

gtm.js

gtm.js

59 ms

style.css

style.css

211 ms

app.js

app.js

624 ms

Accessibility Review

kert.it accessibility score

84

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-*] attributes do not match their roles

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.

Best Practices

kert.it best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

kert.it SEO score

92

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

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

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 Kert.it 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 Kert.it 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

kert.it

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