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catler.cz screenshot

Report Summary

  • 29

    Performance

    Renders faster than
    49% of other websites

  • 94

    Accessibility

    Visual factors better than
    that of 83% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

catler.cz

Odšťavňovače, kávovary, grily a další kvalitní spotřebiče | Catler

Page Load Speed

3.6 sec in total

First Response

491 ms

Resources Loaded

2.7 sec

Page Rendered

411 ms

catler.cz screenshot

About Website

Welcome to catler.cz homepage info - get ready to check Catler best content for Czech Republic right away, or after learning these important things about catler.cz

CATLER nabízí kvalitní spotřebiče světoznámého výrobce, z jehož dílny pochází odšťavňovače, kávovary či grily, oceňované díky funkčnosti i špičkovému designu.

Visit catler.cz

Key Findings

We analyzed Catler.cz page load time and found that the first response time was 491 ms and then it took 3.1 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

catler.cz performance score

29

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.2 s

19/100

10%

LCP (Largest Contentful Paint)

Value6.5 s

9/100

25%

SI (Speed Index)

Value7.4 s

28/100

10%

TBT (Total Blocking Time)

Value1,390 ms

16/100

30%

CLS (Cumulative Layout Shift)

Value0.012

100/100

15%

TTI (Time to Interactive)

Value11.4 s

19/100

10%

Network Requests Diagram

catler.cz

491 ms

catler.cz

400 ms

www.catler.cz

804 ms

gso6gfl.css

111 ms

main

206 ms

Our browser made a total of 21 requests to load all elements on the main page. We found that 67% of them (14 requests) were addressed to the original Catler.cz, 24% (5 requests) were made to Use.typekit.net and 5% (1 request) were made to P.typekit.net. The less responsive or slowest element that took the longest time to load (804 ms) belongs to the original domain Catler.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 38.9 kB (78%)

Content Size

49.8 kB

After Optimization

10.8 kB

  • HTML
  • JavaScript
  • CSS

In fact, the total size of Catler.cz main page is 49.8 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. 30% of websites need less resources to load. HTML takes 45.0 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 36.8 kB

  • Original 45.0 kB
  • After minification 32.8 kB
  • After compression 8.2 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 12.2 kB, which is 27% 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 36.8 kB or 82% of the original size.

JavaScript Optimization

-44%

Potential reduce by 2.1 kB

  • Original 4.7 kB
  • After minification 4.7 kB
  • After compression 2.6 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 2.1 kB or 44% of the original size.

CSS Optimization

-0%

Potential reduce by 0 B

  • Original 5 B

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.

Requests Breakdown

Number of requests can be reduced by 3 (23%)

Requests Now

13

After Optimization

10

  • Images
  • JavaScript
  • CSS

The browser has sent 13 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Catler. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

catler.cz

catler.cz

491 ms

catler.cz

catler.cz

400 ms

www.catler.cz

www.catler.cz

804 ms

gso6gfl.css

gso6gfl.css

111 ms

main

main

206 ms

main

main

433 ms

file-uploader.js

file-uploader.js

451 ms

updatableFormHelper.js

updatableFormHelper.js

450 ms

p.css

p.css

24 ms

gtm.js

gtm.js

64 ms

logo.svg

logo.svg

317 ms

8cc5ff58-86bd-410b-9147-f2ec6e5386c6@w1920.webp

8cc5ff58-86bd-410b-9147-f2ec6e5386c6@w1920.webp

583 ms

8a682803-06ed-4d67-a65b-dafbaa535f33@w1920.webp

8a682803-06ed-4d67-a65b-dafbaa535f33@w1920.webp

686 ms

bce17fb0-5a0f-491b-9880-940081552904@w1920.webp

bce17fb0-5a0f-491b-9880-940081552904@w1920.webp

783 ms

logo-footer.svg

logo-footer.svg

300 ms

d

d

94 ms

d

d

136 ms

d

d

157 ms

d

d

149 ms

icomoon.ttf

icomoon.ttf

312 ms

CZ.svg

CZ.svg

319 ms

Accessibility Review

catler.cz accessibility score

94

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

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

catler.cz 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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

catler.cz SEO score

92

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

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 Catler.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 Catler.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

catler.cz

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