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todo.cz screenshot

Report Summary

  • 81

    Performance

    Renders faster than
    86% of other websites

  • 88

    Accessibility

    Visual factors better than
    that of 68% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

todo.cz

Fotopozadí a dekorace pro fotoateliéry | fotopozadí todo.cz

Page Load Speed

3.3 sec in total

First Response

390 ms

Resources Loaded

2.8 sec

Page Rendered

114 ms

todo.cz screenshot

About Website

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

Vinylová i papírová fotopozadí, dřevěné dekorace, textilní a další doplňky pro fotoateléry Vám pomůžou vytvořit profesionální kompozici.

Visit todo.cz

Key Findings

We analyzed Todo.cz page load time and found that the first response time was 390 ms and then it took 2.9 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

todo.cz performance score

81

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.3 s

40/100

10%

LCP (Largest Contentful Paint)

Value3.3 s

70/100

25%

SI (Speed Index)

Value3.6 s

87/100

10%

TBT (Total Blocking Time)

Value130 ms

96/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value5.8 s

67/100

10%

Network Requests Diagram

todo.cz

390 ms

todo.cz

409 ms

www.todo.cz

793 ms

styles.css

87 ms

jquery-3.2.1.min.js

274 ms

Our browser made a total of 44 requests to load all elements on the main page. We found that 98% of them (43 requests) were addressed to the original Todo.cz, 2% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (793 ms) belongs to the original domain Todo.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 105.1 kB (19%)

Content Size

558.6 kB

After Optimization

453.5 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Todo.cz main page is 558.6 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. 25% of websites need less resources to load. Images take 391.4 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 48.6 kB

  • Original 62.9 kB
  • After minification 62.3 kB
  • After compression 14.3 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 48.6 kB or 77% of the original size.

Image Optimization

-10%

Potential reduce by 38.8 kB

  • Original 391.4 kB
  • After minification 352.5 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. Todo images are well optimized though.

JavaScript Optimization

-21%

Potential reduce by 13.5 kB

  • Original 65.0 kB
  • After minification 65.0 kB
  • After compression 51.5 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 13.5 kB or 21% of the original size.

CSS Optimization

-11%

Potential reduce by 4.2 kB

  • Original 39.3 kB
  • After minification 39.3 kB
  • After compression 35.1 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. Todo.cz needs all CSS files to be minified and compressed as it can save up to 4.2 kB or 11% of the original size.

Requests Breakdown

Number of requests can be reduced by 33 (83%)

Requests Now

40

After Optimization

7

  • Images
  • JavaScript
  • CSS

The browser has sent 40 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Todo. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 22 to 1 for JavaScripts and from 13 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

todo.cz

todo.cz

390 ms

todo.cz

todo.cz

409 ms

www.todo.cz

www.todo.cz

793 ms

styles.css

styles.css

87 ms

jquery-3.2.1.min.js

jquery-3.2.1.min.js

274 ms

jquery.centruj.js

jquery.centruj.js

267 ms

jquery.adtooltip.js

jquery.adtooltip.js

267 ms

path.js

path.js

264 ms

adzaltabs.js

adzaltabs.js

274 ms

ad_wNumb.js

ad_wNumb.js

273 ms

adButtobFiltry.js

adButtobFiltry.js

349 ms

adDoprava.js

adDoprava.js

348 ms

adInfoCookie.js

adInfoCookie.js

354 ms

adPostaDoruceni.js

adPostaDoruceni.js

359 ms

adform.js

adform.js

364 ms

adSpin.js

adSpin.js

365 ms

adFotogalerie.js

adFotogalerie.js

434 ms

adOdpocetCasu.js

adOdpocetCasu.js

434 ms

adPrepniMenu.js

adPrepniMenu.js

441 ms

adMobilMenu.js

adMobilMenu.js

445 ms

adVypocetCeny.js

adVypocetCeny.js

454 ms

ad_nouislider.js

ad_nouislider.js

548 ms

adModuly.js

adModuly.js

519 ms

adsvgIcons_ie.js

adsvgIcons_ie.js

520 ms

advyskakovaci_okno.js

advyskakovaci_okno.js

527 ms

js

js

48 ms

iconsfont1.css

iconsfont1.css

449 ms

ad_framework_min.css

ad_framework_min.css

461 ms

layout.css

layout.css

522 ms

default.css

default.css

525 ms

nahledy.css

nahledy.css

532 ms

doprava.css

doprava.css

535 ms

nouislider.css

nouislider.css

552 ms

mobil.css

mobil.css

556 ms

tablet.css

tablet.css

607 ms

desktop.css

desktop.css

611 ms

muj_ucet.css

muj_ucet.css

618 ms

color_theme.css

color_theme.css

620 ms

1eshop-logo-new-web.jpg

1eshop-logo-new-web.jpg

348 ms

design731-2.jpg

design731-2.jpg

92 ms

podlaha508-eshop.webp

podlaha508-eshop.webp

89 ms

todo-logo.png

todo-logo.png

91 ms

resize_osoba.jpg

resize_osoba.jpg

88 ms

rimado.woff

rimado.woff

172 ms

Accessibility Review

todo.cz accessibility score

88

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.

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

todo.cz 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

todo.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 Todo.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 Todo.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

todo.cz

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