Tools & Wizards About Us
luft-system.pl screenshot

Report Summary

  • 50

    Performance

    Renders faster than
    68% of other websites

  • 85

    Accessibility

    Visual factors better than
    that of 58% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

luft-system.pl

Luft-System S.C. | Systemy Wentylacyjne Szczecin - Hurtownia |

Page Load Speed

2.4 sec in total

First Response

427 ms

Resources Loaded

1.8 sec

Page Rendered

214 ms

luft-system.pl screenshot

About Website

Visit luft-system.pl now to see the best up-to-date Luft System content and also check out these interesting facts you probably never knew about luft-system.pl

Oferta bogatego asortymentu wentylacyjnego i klimatyzacyjnego dla instalatorów wentylacji !! Wentylacja, klimatyzacja, rekuperacja.

Visit luft-system.pl

Key Findings

We analyzed Luft-system.pl page load time and found that the first response time was 427 ms and then it took 2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

luft-system.pl performance score

50

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.1 s

22/100

10%

LCP (Largest Contentful Paint)

Value6.8 s

7/100

25%

SI (Speed Index)

Value6.4 s

40/100

10%

TBT (Total Blocking Time)

Value360 ms

72/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value6.7 s

57/100

10%

Network Requests Diagram

luft-system.pl

427 ms

css

50 ms

css

78 ms

style.css

130 ms

media.css

244 ms

Our browser made a total of 45 requests to load all elements on the main page. We found that 67% of them (30 requests) were addressed to the original Luft-system.pl, 18% (8 requests) were made to Fonts.gstatic.com and 4% (2 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (725 ms) belongs to the original domain Luft-system.pl.

Page Optimization Overview & Recommendations

Page size can be reduced by 32.4 kB (4%)

Content Size

865.3 kB

After Optimization

832.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Luft-system.pl main page is 865.3 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. 45% of websites need less resources to load. Images take 685.4 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 12.4 kB

  • Original 16.5 kB
  • After minification 16.2 kB
  • After compression 4.1 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 12.4 kB or 75% of the original size.

Image Optimization

-2%

Potential reduce by 12.3 kB

  • Original 685.4 kB
  • After minification 673.1 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. Luft System images are well optimized though.

JavaScript Optimization

-3%

Potential reduce by 4.1 kB

  • Original 149.8 kB
  • After minification 149.8 kB
  • After compression 145.7 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

-26%

Potential reduce by 3.5 kB

  • Original 13.6 kB
  • After minification 13.4 kB
  • After compression 10.1 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. Luft-system.pl needs all CSS files to be minified and compressed as it can save up to 3.5 kB or 26% of the original size.

Requests Breakdown

Number of requests can be reduced by 25 (71%)

Requests Now

35

After Optimization

10

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 35 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Luft System. 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 from 10 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

luft-system.pl

luft-system.pl

427 ms

css

css

50 ms

css

css

78 ms

style.css

style.css

130 ms

media.css

media.css

244 ms

jquery-1.7.1.min.js

jquery-1.7.1.min.js

368 ms

fancyBoxInit.js

fancyBoxInit.js

253 ms

waypoints.min.js

waypoints.min.js

254 ms

slick.min.js

slick.min.js

253 ms

ui.js

ui.js

256 ms

js

js

84 ms

tiny.css

tiny.css

236 ms

jquery.fancybox.css

jquery.fancybox.css

124 ms

jquery.fancybox.pack.js

jquery.fancybox.pack.js

126 ms

jquery.fancybox-thumbs.css

jquery.fancybox-thumbs.css

126 ms

jquery.fancybox-thumbs.js

jquery.fancybox-thumbs.js

122 ms

jquery.fancybox-buttons.css

jquery.fancybox-buttons.css

123 ms

jquery.fancybox-buttons.js

jquery.fancybox-buttons.js

125 ms

bg.jpg

bg.jpg

725 ms

social_fb.png

social_fb.png

133 ms

social_gp.png

social_gp.png

131 ms

menu_btn.png

menu_btn.png

131 ms

logo.png

logo.png

130 ms

index_content_bg.jpg

index_content_bg.jpg

484 ms

index_icon1-opt.png

index_icon1-opt.png

253 ms

index_icon2-opt.png

index_icon2-opt.png

252 ms

index_icon3-opt.png

index_icon3-opt.png

250 ms

index_icon4-opt.png

index_icon4-opt.png

252 ms

close.png

close.png

350 ms

KFOlCnqEu92Fr1MmWUlfChc9.ttf

KFOlCnqEu92Fr1MmWUlfChc9.ttf

71 ms

KFOlCnqEu92Fr1MmEU9fChc9.ttf

KFOlCnqEu92Fr1MmEU9fChc9.ttf

78 ms

KFOmCnqEu92Fr1Mu7GxP.ttf

KFOmCnqEu92Fr1Mu7GxP.ttf

85 ms

KFOlCnqEu92Fr1MmSU5fChc9.ttf

KFOlCnqEu92Fr1MmSU5fChc9.ttf

94 ms

KFOkCnqEu92Fr1MmgVxGIzc.ttf

KFOkCnqEu92Fr1MmgVxGIzc.ttf

95 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1x4uaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1x4uaVc.ttf

94 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4uaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4uaVc.ttf

94 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0B4uaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0B4uaVc.ttf

94 ms

fb.png

fb.png

340 ms

ga.js

ga.js

45 ms

ajax-loader.gif

ajax-loader.gif

305 ms

likebox.php

likebox.php

63 ms

__utm.gif

__utm.gif

20 ms

ZFluMDo2EQh.css

ZFluMDo2EQh.css

15 ms

174 ms

print.css

print.css

125 ms

Accessibility Review

luft-system.pl accessibility score

85

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

button, link, and menuitem elements do not have accessible names.

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

luft-system.pl best practices score

75

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

Browser errors were logged to the console

SEO Factors

luft-system.pl SEO score

86

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

High

Tap targets are not sized appropriately

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 Luft-system.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 Luft-system.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

luft-system.pl

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