Tools & Wizards About Us
vekra.cz screenshot

Report Summary

  • 24

    Performance

    Renders faster than
    43% of other websites

  • 96

    Accessibility

    Visual factors better than
    that of 88% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

vekra.cz

VEKRA: Český výrobce kvalitních oken a dveří na klíč

Page Load Speed

3.6 sec in total

First Response

410 ms

Resources Loaded

2.6 sec

Page Rendered

571 ms

vekra.cz screenshot

About Website

Click here to check amazing VEKRA content for Czech Republic. Otherwise, check out these important facts you probably never knew about vekra.cz

Vyrábíme okna a dveře špičkové kvality. Značka VEKRA pomůže i vám ušetřit za energie a zlepšit vaše bydlení. Ručíme za profesionální služby.

Visit vekra.cz

Key Findings

We analyzed Vekra.cz page load time and found that the first response time was 410 ms and then it took 3.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

vekra.cz performance score

24

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.9 s

24/100

10%

LCP (Largest Contentful Paint)

Value11.1 s

0/100

25%

SI (Speed Index)

Value9.5 s

11/100

10%

TBT (Total Blocking Time)

Value1,450 ms

15/100

30%

CLS (Cumulative Layout Shift)

Value0.019

100/100

15%

TTI (Time to Interactive)

Value14.1 s

10/100

10%

Network Requests Diagram

vekra.cz

410 ms

vekra.cz

467 ms

www.vekra.cz

755 ms

script.js

162 ms

client-7f5111db.0d494c5b.chunk.css

321 ms

Our browser made a total of 32 requests to load all elements on the main page. We found that 94% of them (30 requests) were addressed to the original Vekra.cz, 3% (1 request) were made to Cdn-cookieyes.com and 3% (1 request) were made to Log.cookieyes.com. The less responsive or slowest element that took the longest time to load (828 ms) belongs to the original domain Vekra.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 152.1 kB (9%)

Content Size

1.7 MB

After Optimization

1.5 MB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Vekra.cz main page is 1.7 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. 30% of websites need less resources to load. Images take 1.5 MB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 127.0 kB

  • Original 167.5 kB
  • After minification 167.5 kB
  • After compression 40.5 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 127.0 kB or 76% of the original size.

Image Optimization

-2%

Potential reduce by 25.1 kB

  • Original 1.5 MB
  • After minification 1.5 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. VEKRA images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 12 B

  • Original 34.0 kB
  • After minification 34.0 kB
  • After compression 34.0 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 17 (65%)

Requests Now

26

After Optimization

9

  • Images
  • JavaScript
  • CSS

The browser has sent 26 CSS, Javascripts, AJAX and image requests in order to completely render the main page of VEKRA. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 18 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

vekra.cz

vekra.cz

410 ms

vekra.cz

vekra.cz

467 ms

www.vekra.cz

www.vekra.cz

755 ms

script.js

script.js

162 ms

client-7f5111db.0d494c5b.chunk.css

client-7f5111db.0d494c5b.chunk.css

321 ms

HomePage-31743c5a.967511f0.chunk.css

HomePage-31743c5a.967511f0.chunk.css

320 ms

log

log

404 ms

HomePage-49d0a293.a0926806.chunk.js

HomePage-49d0a293.a0926806.chunk.js

114 ms

HomePage-9241dc7c.1d9fb6c6.chunk.js

HomePage-9241dc7c.1d9fb6c6.chunk.js

330 ms

HomePage-31743c5a.b34d29dd.chunk.js

HomePage-31743c5a.b34d29dd.chunk.js

228 ms

client-43dd7041.65b7ab0e.js

client-43dd7041.65b7ab0e.js

225 ms

client-d2eb5610.ad40f8b4.js

client-d2eb5610.ad40f8b4.js

315 ms

client-b69e2582.137cca35.js

client-b69e2582.137cca35.js

316 ms

client-bb3d84b5.775b0cee.js

client-bb3d84b5.775b0cee.js

418 ms

client-efdee510.be26b19c.js

client-efdee510.be26b19c.js

333 ms

client-997f3d48.cb182961.js

client-997f3d48.cb182961.js

333 ms

client-0bc0478e.b0d82f51.js

client-0bc0478e.b0d82f51.js

423 ms

client-2b1726bc.1a227141.js

client-2b1726bc.1a227141.js

422 ms

client-f80d2ba7.dfb56861.js

client-f80d2ba7.dfb56861.js

442 ms

client-b6cffd1b.8744834e.js

client-b6cffd1b.8744834e.js

443 ms

client-27545368.c7522bec.js

client-27545368.c7522bec.js

442 ms

client-866ab763.2232411a.js

client-866ab763.2232411a.js

524 ms

client-7f5111db.e24ba8f5.js

client-7f5111db.e24ba8f5.js

531 ms

client-84781932.c41d91fa.js

client-84781932.c41d91fa.js

528 ms

39210bad-e87d-4299-a3b3-99279f856f71

39210bad-e87d-4299-a3b3-99279f856f71

636 ms

bb381275-ba24-4b9c-9577-000485c77d2b

bb381275-ba24-4b9c-9577-000485c77d2b

634 ms

512e18e7-b00f-4e92-b4a5-983d7ef4d632

512e18e7-b00f-4e92-b4a5-983d7ef4d632

751 ms

c2a1601f-147c-49ee-96b6-18ff8c4dff0d

c2a1601f-147c-49ee-96b6-18ff8c4dff0d

510 ms

d2b821b5-757c-458f-9ae5-7804ab6fb1d5

d2b821b5-757c-458f-9ae5-7804ab6fb1d5

824 ms

3ee07cbe-9f1f-4943-b68e-d9ff5a261f38

3ee07cbe-9f1f-4943-b68e-d9ff5a261f38

828 ms

geograph-bold.8df884f4.woff2

geograph-bold.8df884f4.woff2

637 ms

geograph-regular.9c58f41e.woff2

geograph-regular.9c58f41e.woff2

659 ms

Accessibility Review

vekra.cz accessibility score

96

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

Best Practices

vekra.cz best practices score

75

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

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

vekra.cz SEO score

100

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

Language and Encoding

  • Language Detected

    CS

  • Language Claimed

    CS

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Vekra.cz can be misinterpreted by Google and other search engines. Our service has detected that Czech is used on the page, and it matches the claimed language. Our system also found out that Vekra.cz 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

vekra.cz

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