Tools & Wizards About Us
wentylacja.biz screenshot

Report Summary

  • 60

    Performance

    Renders faster than
    76% of other websites

  • 75

    Accessibility

    Visual factors better than
    that of 42% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 99

    SEO

    Google-friendlier than
    93% of websites

wentylacja.biz

Wentylacja - rekuperatory, centrale wentylacyjne, wentylatory, wentylacja

Page Load Speed

6.6 sec in total

First Response

503 ms

Resources Loaded

5.5 sec

Page Rendered

583 ms

wentylacja.biz screenshot

About Website

Visit wentylacja.biz now to see the best up-to-date Wentylacja content for Poland and also check out these interesting facts you probably never knew about wentylacja.biz

Portal branży wentylacji, znajdziesz tutaj firmy, produkty, ogłoszenia, informacje branżowe - Wentylacja.biz

Visit wentylacja.biz

Key Findings

We analyzed Wentylacja.biz page load time and found that the first response time was 503 ms and then it took 6.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

wentylacja.biz performance score

60

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.8 s

55/100

10%

LCP (Largest Contentful Paint)

Value8.1 s

2/100

25%

SI (Speed Index)

Value4.1 s

78/100

10%

TBT (Total Blocking Time)

Value250 ms

84/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value6.8 s

55/100

10%

Network Requests Diagram

wentylacja.biz

503 ms

www.wentylacja.biz

796 ms

style.css

218 ms

wentylacja.css

214 ms

menu.css

213 ms

Our browser made a total of 266 requests to load all elements on the main page. We found that 85% of them (226 requests) were addressed to the original Wentylacja.biz, 2% (5 requests) were made to Google-analytics.com and 2% (4 requests) were made to Pagead2.googlesyndication.com. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Wentylacja.biz.

Page Optimization Overview & Recommendations

Page size can be reduced by 803.3 kB (52%)

Content Size

1.5 MB

After Optimization

740.1 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Wentylacja.biz main page is 1.5 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. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 581.1 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 196.6 kB

  • Original 233.0 kB
  • After minification 186.9 kB
  • After compression 36.4 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 46.1 kB, which is 20% 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 196.6 kB or 84% of the original size.

Image Optimization

-9%

Potential reduce by 55.1 kB

  • Original 581.1 kB
  • After minification 526.0 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. Wentylacja images are well optimized though.

JavaScript Optimization

-72%

Potential reduce by 373.9 kB

  • Original 518.2 kB
  • After minification 410.7 kB
  • After compression 144.3 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 373.9 kB or 72% of the original size.

CSS Optimization

-84%

Potential reduce by 177.6 kB

  • Original 211.0 kB
  • After minification 155.5 kB
  • After compression 33.4 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. Wentylacja.biz needs all CSS files to be minified and compressed as it can save up to 177.6 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 131 (56%)

Requests Now

236

After Optimization

105

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 236 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Wentylacja. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 50 to 1 for JavaScripts and from 15 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

wentylacja.biz

wentylacja.biz

503 ms

www.wentylacja.biz

www.wentylacja.biz

796 ms

style.css

style.css

218 ms

wentylacja.css

wentylacja.css

214 ms

menu.css

menu.css

213 ms

flags.css

flags.css

231 ms

slider.css

slider.css

230 ms

boxes.css

boxes.css

234 ms

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318 ms

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323 ms

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327 ms

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30 ms

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9 ms

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344 ms

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427 ms

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429 ms

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439 ms

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637 ms

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Accessibility Review

wentylacja.biz accessibility score

75

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 input fields do not have accessible names

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

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

Buttons do not have an accessible name

High

Form elements do not have associated labels

High

Links do not have a discernible name

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

Best Practices

wentylacja.biz 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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

wentylacja.biz SEO score

99

Search Engine Optimization Advices

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

    ISO-8859-2

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Wentylacja.biz 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 Wentylacja.biz main page’s claimed encoding is iso-8859-2. 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

wentylacja.biz

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