Tools & Wizards About Us
ledsource.pl screenshot

Report Summary

  • 10

    Performance

    Renders faster than
    23% of other websites

  • 82

    Accessibility

    Visual factors better than
    that of 52% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

ledsource.pl

DLED - oświetlenie LED

Page Load Speed

4.4 sec in total

First Response

787 ms

Resources Loaded

2.8 sec

Page Rendered

762 ms

ledsource.pl screenshot

About Website

Click here to check amazing LED Source content for Poland. Otherwise, check out these important facts you probably never knew about ledsource.pl

DLED - oświetlenie LED

Visit ledsource.pl

Key Findings

We analyzed Ledsource.pl page load time and found that the first response time was 787 ms and then it took 3.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

ledsource.pl performance score

10

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.8 s

4/100

10%

LCP (Largest Contentful Paint)

Value13.0 s

0/100

25%

SI (Speed Index)

Value9.4 s

12/100

10%

TBT (Total Blocking Time)

Value1,550 ms

13/100

30%

CLS (Cumulative Layout Shift)

Value0.388

26/100

15%

TTI (Time to Interactive)

Value16.8 s

5/100

10%

Network Requests Diagram

dled.pl

787 ms

MTE6MjM1OjUuMjQuMzA.css

332 ms

main.93ba21cbd61cf8454aa1.min.js

678 ms

pl_PL.js

495 ms

front-api-1.4.0.min.js

464 ms

Our browser made a total of 56 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Ledsource.pl, 9% (5 requests) were made to Fonts.gstatic.com and 5% (3 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (1.3 sec) relates to the external source Dled.pl.

Page Optimization Overview & Recommendations

Page size can be reduced by 608.7 kB (34%)

Content Size

1.8 MB

After Optimization

1.2 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Ledsource.pl main page is 1.8 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. 35% of websites need less resources to load. Images take 1.3 MB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 163.8 kB

  • Original 186.0 kB
  • After minification 105.8 kB
  • After compression 22.2 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 80.2 kB, which is 43% 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 163.8 kB or 88% of the original size.

Image Optimization

-35%

Potential reduce by 444.7 kB

  • Original 1.3 MB
  • After minification 837.9 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, LED Source needs image optimization as it can save up to 444.7 kB or 35% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-0%

Potential reduce by 175 B

  • Original 265.9 kB
  • After minification 265.9 kB
  • After compression 265.7 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. This website has mostly compressed JavaScripts.

CSS Optimization

-0%

Potential reduce by 0 B

  • Original 72.3 kB
  • After minification 72.3 kB
  • After compression 72.3 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. Ledsource.pl has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 9 (31%)

Requests Now

29

After Optimization

20

  • Images
  • JavaScript
  • CSS

The browser has sent 29 CSS, Javascripts, AJAX and image requests in order to completely render the main page of LED Source. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

dled.pl

dled.pl

787 ms

MTE6MjM1OjUuMjQuMzA.css

MTE6MjM1OjUuMjQuMzA.css

332 ms

main.93ba21cbd61cf8454aa1.min.js

main.93ba21cbd61cf8454aa1.min.js

678 ms

pl_PL.js

pl_PL.js

495 ms

front-api-1.4.0.min.js

front-api-1.4.0.min.js

464 ms

user.js

user.js

497 ms

front-api-1.4.0.min.js

front-api-1.4.0.min.js

580 ms

js

js

52 ms

js

js

87 ms

1px.gif

1px.gif

471 ms

logo.png

logo.png

585 ms

loader.svg

loader.svg

606 ms

102ad46ba7e8df5759cbf4f0dfe4503d.jpg

102ad46ba7e8df5759cbf4f0dfe4503d.jpg

985 ms

c76ff92666ee7a86af05b5fb3e204d0f.png

c76ff92666ee7a86af05b5fb3e204d0f.png

1141 ms

9db6b809f994e2654462597278e89f5f.webp

9db6b809f994e2654462597278e89f5f.webp

764 ms

73b47f885e33273cc47909896615934a.webp

73b47f885e33273cc47909896615934a.webp

684 ms

2cc79ec8143ddd781b4992d9070f9a70.webp

2cc79ec8143ddd781b4992d9070f9a70.webp

797 ms

e6c44cf9b2bf2fdcb0382afa89a63cb7.webp

e6c44cf9b2bf2fdcb0382afa89a63cb7.webp

878 ms

85cdd2d55beb044df31c9c6892c42adc.jpg

85cdd2d55beb044df31c9c6892c42adc.jpg

1020 ms

ef8692b0a7cef675c0438d3c97775ed5.png

ef8692b0a7cef675c0438d3c97775ed5.png

1224 ms

fe1ee6a9d0cf7215d4d137ffb1bfbed0.webp

fe1ee6a9d0cf7215d4d137ffb1bfbed0.webp

1100 ms

3ddea03368e465c02ae49bcbd53ec190.webp

3ddea03368e465c02ae49bcbd53ec190.webp

1133 ms

present-icon.svg

present-icon.svg

1223 ms

truck-icon.svg

truck-icon.svg

1245 ms

Group%2018.svg

Group%2018.svg

1253 ms

support2-icon.svg

support2-icon.svg

1207 ms

wallet-icon.svg

wallet-icon.svg

1207 ms

004-akcesoria.jpg

004-akcesoria.jpg

1205 ms

001-oswietlenie-domu.jpg

001-oswietlenie-domu.jpg

1205 ms

002-oswietlenie-zewnetrzne.jpg

002-oswietlenie-zewnetrzne.jpg

1205 ms

003-systemy-szynowe.jpg

003-systemy-szynowe.jpg

1205 ms

005-lampy.jpg

005-lampy.jpg

1204 ms

006-dom-zarowki.jpg

006-dom-zarowki.jpg

1204 ms

007-dom-panele.jpg

007-dom-panele.jpg

1205 ms

008-dom-naswietlacze.jpg

008-dom-naswietlacze.jpg

1205 ms

Path%2012.svg

Path%2012.svg

1205 ms

platnosci_poziom_z_kartami.png

platnosci_poziom_z_kartami.png

1205 ms

css2

css2

47 ms

css2

css2

64 ms

6xK-dSZaM9iE8KbpRA_LJ3z8mH9BOJvgkP8o18E.ttf

6xK-dSZaM9iE8KbpRA_LJ3z8mH9BOJvgkP8o18E.ttf

22 ms

6xK-dSZaM9iE8KbpRA_LJ3z8mH9BOJvgkM0o18E.ttf

6xK-dSZaM9iE8KbpRA_LJ3z8mH9BOJvgkM0o18E.ttf

27 ms

6xK-dSZaM9iE8KbpRA_LJ3z8mH9BOJvgkKEo18E.ttf

6xK-dSZaM9iE8KbpRA_LJ3z8mH9BOJvgkKEo18E.ttf

32 ms

6xK-dSZaM9iE8KbpRA_LJ3z8mH9BOJvgkCEv18E.ttf

6xK-dSZaM9iE8KbpRA_LJ3z8mH9BOJvgkCEv18E.ttf

35 ms

6xK-dSZaM9iE8KbpRA_LJ3z8mH9BOJvgkBgv18E.ttf

6xK-dSZaM9iE8KbpRA_LJ3z8mH9BOJvgkBgv18E.ttf

35 ms

gtm.js

gtm.js

75 ms

bat.js

bat.js

84 ms

Group%205.svg

Group%205.svg

611 ms

Group_10.svg

Group_10.svg

611 ms

paralax.jpg

paralax.jpg

610 ms

icon-nw.svg

icon-nw.svg

610 ms

ico_mail.png

ico_mail.png

610 ms

rwd-custom.woff

rwd-custom.woff

554 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

554 ms

97119700.js

97119700.js

11 ms

rwd-custom.ttf

rwd-custom.ttf

117 ms

fontawesome-webfont.ttf

fontawesome-webfont.ttf

117 ms

Accessibility Review

ledsource.pl accessibility score

82

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

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

Links do not have a discernible name

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

ledsource.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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

ledsource.pl 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

    PL

  • Language Claimed

    PL

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Ledsource.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 Ledsource.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

ledsource.pl

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