Tools & Wizards About Us

Report Summary

  • 13

    Performance

    Renders faster than
    25% of other websites

  • 66

    Accessibility

    Visual factors better than
    that of 31% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 81

    SEO

    Google-friendlier than
    42% of websites

okna.waw.pl

Okna Warszawa, okna energooszczędne, okna pasywne – Okna Internorm Warszawa

Page Load Speed

6.5 sec in total

First Response

375 ms

Resources Loaded

5.3 sec

Page Rendered

794 ms

About Website

Click here to check amazing Okna content. Otherwise, check out these important facts you probably never knew about okna.waw.pl

Przygotowujemy okna zespolone oraz okna do projektu na wymiar. Najwyższa zachodnia jakość. Numer 1 w Europie.

Visit okna.waw.pl

Key Findings

We analyzed Okna.waw.pl page load time and found that the first response time was 375 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 80% of websites can load faster.

Performance Metrics

okna.waw.pl performance score

13

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.0 s

23/100

10%

LCP (Largest Contentful Paint)

Value12.7 s

0/100

25%

SI (Speed Index)

Value15.5 s

0/100

10%

TBT (Total Blocking Time)

Value1,880 ms

9/100

30%

CLS (Cumulative Layout Shift)

Value0.246

51/100

15%

TTI (Time to Interactive)

Value22.0 s

1/100

10%

Network Requests Diagram

okna.waw.pl

375 ms

okna.waw.pl

827 ms

gtm.js

66 ms

bootstrap.min.css

237 ms

fonts.min.css

357 ms

Our browser made a total of 138 requests to load all elements on the main page. We found that 80% of them (111 requests) were addressed to the original Okna.waw.pl, 4% (5 requests) were made to Youtube.com and 3% (4 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (2.8 sec) belongs to the original domain Okna.waw.pl.

Page Optimization Overview & Recommendations

Page size can be reduced by 409.2 kB (6%)

Content Size

6.8 MB

After Optimization

6.4 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Okna.waw.pl main page is 6.8 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. Only a small number of websites need less resources to load. Images take 5.9 MB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 150.6 kB

  • Original 174.4 kB
  • After minification 130.3 kB
  • After compression 23.8 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 44.2 kB, which is 25% 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 150.6 kB or 86% of the original size.

Image Optimization

-4%

Potential reduce by 247.8 kB

  • Original 5.9 MB
  • After minification 5.7 MB

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. Okna images are well optimized though.

JavaScript Optimization

-2%

Potential reduce by 10.0 kB

  • Original 562.6 kB
  • After minification 562.6 kB
  • After compression 552.6 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

-1%

Potential reduce by 831 B

  • Original 119.1 kB
  • After minification 119.1 kB
  • After compression 118.2 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. Okna.waw.pl has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 39 (35%)

Requests Now

111

After Optimization

72

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 111 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Okna. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 23 to 1 for JavaScripts and from 11 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

okna.waw.pl accessibility score

66

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 have valid values

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

<frame> or <iframe> elements do not have a title

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

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

okna.waw.pl 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

Page has valid source maps

SEO Factors

okna.waw.pl SEO score

81

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

High

robots.txt is not valid

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 Okna.waw.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 Okna.waw.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 Okna. 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: