Access slista.cz. DOMENA.cz | Registrace domén, web zdarma, e-mailové schránky

name

value

score

weighting

FCP (First Contentful Paint)

Value4.1 s

22/100

10%

LCP (Largest Contentful Paint)

Value4.3 s

41/100

25%

SI (Speed Index)

Value11.0 s

6/100

10%

TBT (Total Blocking Time)

Value7,100 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.247

50/100

15%

TTI (Time to Interactive)

Value23.1 s

1/100

10%

www.domena.cz

511 ms

www.domena.cz

861 ms

gtm.js

136 ms

css

130 ms

azo_sans-c287dc5dc34e28b19a47d47218546830.css

337 ms

Our browser made a total of 68 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Slista.cz, 25% (17 requests) were made to Datocms-assets.com and 4% (3 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (5.1 sec) relates to the external source Datocms-assets.com.

Content Size

402.3 kB

After Optimization

292.7 kB

In fact, the total size of Slista.cz main page is 402.3 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. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 239.5 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 66.0 kB

Original 83.7 kB
After minification 77.2 kB
After compression 17.7 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 66.0 kB or 79% of the original size.

Image Optimization

-18%

Potential reduce by 43.5 kB

Original 239.5 kB
After minification 196.0 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, Slista needs image optimization as it can save up to 43.5 kB or 18% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-1%

Potential reduce by 129 B

Original 22.0 kB
After minification 22.0 kB
After compression 21.8 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.

CSS Optimization

-0%

Potential reduce by 63 B

Original 57.2 kB
After minification 57.2 kB
After compression 57.2 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. Slista.cz has all CSS files already compressed.

Requests Now

After Optimization

The browser has sent 56 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Slista. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

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.

High

[aria-*] attributes do not match their roles

High

button, link, and menuitem elements do not have accessible names.

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

These are opportunities to improve keyboard navigation in your application.

High

[id] attributes on active, focusable elements are not unique

High

Heading elements are not in a sequentially-descending order

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.

High

Image elements do not have [alt] attributes

These items highlight common accessibility best practices.

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

Search Engine Optimization Advices

To appear in search results, crawlers need access to your app.

High

Links are not crawlable

Format your HTML in a way that enables crawlers to better understand your app’s content.

High

Image elements do not have [alt] attributes

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/).

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

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 Slista.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 Slista.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

slista.cz

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

Report Summary

Performance

Accessibility

Best Practices

SEO

DOMENA.cz | Registrace domén, web zdarma, e-mailové schránky

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

www.domena.cz

www.domena.cz

gtm.js

css

azo_sans-c287dc5dc34e28b19a47d47218546830.css

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

www.domena.cz

www.domena.cz

gtm.js

css

azo_sans-c287dc5dc34e28b19a47d47218546830.css

domena-mobile-4b0a4537d005eef3fbe9401d8af6c124.css

vendor-a19673126fb9ae56abb481e1c209af82.js

domena-mobile-c02c6ff2a55c15241638cac234e10ebf.js

optimize.js

analytics.js

hotjar-492245.js

js

heap-531833124.js

1604068851-domenaczwhite.svg

ic-close.svg

ic-settings-white.svg

ic-external.svg

career-block-icon-sk.svg

ic-call.svg

ic-basket.svg

ic-user.svg

1609958996-1609927209-domenaczwg.svg

1662708674-cz-domena-akce_hero.png

1585657030-hosting.svg

1625653460-webeditoritem.svg

1580292657-emailnew.svg

1587450239-365.svg

1587710824-podpora.svg

1587711068-rychle-objednani.svg

1587710882-nadstavime-za-vas.svg

1587711035-radime.svg

1580142235-logokiss.png

1580306024-logomamacoffee-1.png

1580305993-logoscio-1.png

1580141823-logotmobile.png

1580208796-logo-1.png

1609927017-domenaczwgwhite.svg

fbevents.js

retargeting.js

chatra.js

recorder.js

ecmtr-2.4.2.js

815-cookie-icon.svg