Report Summary

  • 48

    Performance

    Renders faster than
    67% of other websites

  • 59

    Accessibility

    Visual factors better than
    that of 26% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 64

    SEO

    Google-friendlier than
    24% of websites

ledka.pl

Oświetlenie przemysłowe LED, oprawy z czujnikiem ruchu LED

Page Load Speed

15 sec in total

First Response

3.3 sec

Resources Loaded

11.6 sec

Page Rendered

201 ms

ledka.pl screenshot

About Website

Click here to check amazing LED Ka content. Otherwise, check out these important facts you probably never knew about ledka.pl

Firma Ledka dystrybuuje oświetlenie przemysłowe LED, oprawy, panele, naświetlacze, lampy liniowe, ogrodowe, zewnętrzne, architektoniczne, halogeny, lampy do hal

Visit ledka.pl

Key Findings

We analyzed Ledka.pl page load time and found that the first response time was 3.3 sec and then it took 11.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

ledka.pl performance score

48

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.1 s

47/100

10%

LCP (Largest Contentful Paint)

Value6.4 s

10/100

25%

SI (Speed Index)

Value10.5 s

8/100

10%

TBT (Total Blocking Time)

Value130 ms

96/100

30%

CLS (Cumulative Layout Shift)

Value0.254

49/100

15%

TTI (Time to Interactive)

Value8.6 s

37/100

10%

Network Requests Diagram

ledka.pl

3255 ms

ga.js

10 ms

__utm.gif

14 ms

wp-emoji-release.min.js

736 ms

cat-posts.css

413 ms

Our browser made a total of 85 requests to load all elements on the main page. We found that 75% of them (64 requests) were addressed to the original Ledka.pl, 11% (9 requests) were made to Ajax.googleapis.com and 5% (4 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (5.4 sec) belongs to the original domain Ledka.pl.

Page Optimization Overview & Recommendations

Page size can be reduced by 382.1 kB (33%)

Content Size

1.2 MB

After Optimization

782.3 kB

In fact, the total size of Ledka.pl main page is 1.2 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 45% of websites need less resources to load. Images take 525.8 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 30.5 kB

  • Original 38.6 kB
  • After minification 35.5 kB
  • After compression 8.1 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 30.5 kB or 79% of the original size.

Image Optimization

-10%

Potential reduce by 50.7 kB

  • Original 525.8 kB
  • After minification 475.2 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. LED Ka images are well optimized though.

JavaScript Optimization

-44%

Potential reduce by 220.0 kB

  • Original 502.0 kB
  • After minification 451.1 kB
  • After compression 281.9 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 220.0 kB or 44% of the original size.

CSS Optimization

-83%

Potential reduce by 81.0 kB

  • Original 98.1 kB
  • After minification 70.8 kB
  • After compression 17.1 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. Ledka.pl needs all CSS files to be minified and compressed as it can save up to 81.0 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 43 (55%)

Requests Now

78

After Optimization

35

The browser has sent 78 CSS, Javascripts, AJAX and image requests in order to completely render the main page of LED Ka. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 29 to 1 for JavaScripts and from 16 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

ledka.pl accessibility score

59

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

High

Some elements have a [tabindex] value greater than 0

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

ledka.pl best practices score

58

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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

ledka.pl SEO score

64

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

    PL

  • Language Claimed

    PL

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Ledka.pl can be misinterpreted by Google and other search engines. Our service has detected that Polish is used on the page, and it matches the claimed language. Our system also found out that Ledka.pl 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

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