Tools & Wizards About Us
bysewo-kolor.eu screenshot

Report Summary

  • 30

    Performance

    Renders faster than
    50% of other websites

  • 70

    Accessibility

    Visual factors better than
    that of 35% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 84

    SEO

    Google-friendlier than
    52% of websites

bysewo-kolor.eu

Bysevo - You build, We deliver!

Page Load Speed

4.5 sec in total

First Response

364 ms

Resources Loaded

3.9 sec

Page Rendered

273 ms

bysewo-kolor.eu screenshot

About Website

Click here to check amazing Bysewo Kolor content. Otherwise, check out these important facts you probably never knew about bysewo-kolor.eu

We offer Windows, building materials, doors, gates, facade, interior & more. 30 years of experience in international building business.

Visit bysewo-kolor.eu

Key Findings

We analyzed Bysewo-kolor.eu page load time and found that the first response time was 364 ms and then it took 4.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

bysewo-kolor.eu performance score

30

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

66/100

10%

LCP (Largest Contentful Paint)

Value7.7 s

3/100

25%

SI (Speed Index)

Value11.5 s

5/100

10%

TBT (Total Blocking Time)

Value1,580 ms

12/100

30%

CLS (Cumulative Layout Shift)

Value0.087

93/100

15%

TTI (Time to Interactive)

Value8.2 s

41/100

10%

Network Requests Diagram

bysewo-kolor.eu

364 ms

bysevo.com

2564 ms

css

27 ms

js

76 ms

fbevents.js

47 ms

Our browser made a total of 15 requests to load all elements on the main page. We found that 7% of them (1 request) were addressed to the original Bysewo-kolor.eu, 60% (9 requests) were made to Bysevo.com and 13% (2 requests) were made to Cdn.jsdelivr.net. The less responsive or slowest element that took the longest time to load (2.6 sec) relates to the external source Bysevo.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 732.8 kB (63%)

Content Size

1.2 MB

After Optimization

427.2 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Bysewo-kolor.eu 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. 35% of websites need less resources to load. HTML takes 767.4 kB which makes up the majority of the site volume.

HTML Optimization

-93%

Potential reduce by 713.5 kB

  • Original 767.4 kB
  • After minification 766.7 kB
  • After compression 53.9 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 713.5 kB or 93% of the original size.

Image Optimization

-48%

Potential reduce by 19.2 kB

  • Original 39.7 kB
  • After minification 20.5 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, Bysewo Kolor needs image optimization as it can save up to 19.2 kB or 48% 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 12 B

  • Original 352.8 kB
  • After minification 352.8 kB
  • After compression 352.8 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.

Requests Breakdown

Number of requests can be reduced by 4 (31%)

Requests Now

13

After Optimization

9

  • Images
  • JavaScript
  • CSS

The browser has sent 13 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Bysewo Kolor. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

bysewo-kolor.eu

bysewo-kolor.eu

364 ms

bysevo.com

bysevo.com

2564 ms

css

css

27 ms

js

js

76 ms

fbevents.js

fbevents.js

47 ms

1.jpg

1.jpg

179 ms

glightbox.min.css

glightbox.min.css

81 ms

glightbox.min.js

glightbox.min.js

86 ms

autoptimize_562d5c8db7cb24b27ea1ebfec5bdd67f.js

autoptimize_562d5c8db7cb24b27ea1ebfec5bdd67f.js

696 ms

101-min-150x150.png

101-min-150x150.png

305 ms

102-min-150x150.png

102-min-150x150.png

361 ms

103-min-150x150.png

103-min-150x150.png

372 ms

104-min-150x150.png

104-min-150x150.png

370 ms

bysevo.svg

bysevo.svg

902 ms

picturefill.min.js

picturefill.min.js

119 ms

Accessibility Review

bysewo-kolor.eu accessibility score

70

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 match their roles

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a valid value for its [lang] attribute.

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

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

bysewo-kolor.eu best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

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

Missing source maps for large first-party JavaScript

SEO Factors

bysewo-kolor.eu SEO score

84

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

Links do not have descriptive text

High

Image elements do not have [alt] attributes

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

    EN

  • Language Claimed

    &Q

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Bysewo-kolor.eu can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it does not match the claimed language. Our system also found out that Bysewo-kolor.eu 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

bysewo-kolor.eu

Open Graph data is detected on the main page of Bysewo Kolor. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: