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Report Summary

About Website

Welcome to jarmark.idnes.cz homepage info - get ready to check Jarmark I Dnes best content for Czech Republic right away, or after learning these important things about jarmark.idnes.cz

Jarmark OnaDNES.cz je internetové tržiště, kde to žije nákupy! Dámské oblečení, hand made, domácí potřeby, knížky, výbavička. Bazar je on-line a bez poplatku.

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name

value

score

weighting

FCP (First Contentful Paint)

Value3.6 s

32/100

10%

LCP (Largest Contentful Paint)

Value4.6 s

34/100

25%

SI (Speed Index)

Value5.2 s

60/100

10%

TBT (Total Blocking Time)

Value10 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value4.6 s

81/100

10%

jarmark.idnes.cz

355 ms

www.jarmark.idnes.cz

862 ms

jquery.min.js

47 ms

main.js

912 ms

uni.js

781 ms

Our browser made a total of 90 requests to load all elements on the main page. We found that 2% of them (2 requests) were addressed to the original Jarmark.idnes.cz, 47% (42 requests) were made to Data.jarmark.idnes.cz and 12% (11 requests) were made to S.jarmark.idnes.cz. The less responsive or slowest element that took the longest time to load (2.6 sec) relates to the external source Data.jarmark.idnes.cz.

Content Size

1.6 MB

After Optimization

1.1 MB

In fact, the total size of Jarmark.idnes.cz main page is 1.6 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. 60% of websites need less resources to load. Images take 958.4 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 80.9 kB

Original 96.7 kB
After minification 86.4 kB
After compression 15.7 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. This page needs HTML code to be minified as it can gain 10.3 kB, which is 11% 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 80.9 kB or 84% of the original size.

Image Optimization

-6%

Potential reduce by 53.7 kB

Original 958.4 kB
After minification 904.7 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. Jarmark I Dnes images are well optimized though.

JavaScript Optimization

-58%

Potential reduce by 177.7 kB

Original 305.2 kB
After minification 265.3 kB
After compression 127.5 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 177.7 kB or 58% of the original size.

CSS Optimization

-84%

Potential reduce by 171.7 kB

Original 204.1 kB
After minification 171.0 kB
After compression 32.4 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. Jarmark.idnes.cz needs all CSS files to be minified and compressed as it can save up to 171.7 kB or 84% of the original size.

Requests Now

After Optimization

The browser has sent 85 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jarmark I Dnes. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 17 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

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

High

<html> element does not have a [lang] attribute

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

High

Links do not have a discernible name

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.

Search Engine Optimization Advices

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

Language and Encoding

Language Detected

CS
Language Claimed

N/A
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Jarmark.idnes.cz can be misinterpreted by Google and other search engines. Our service has detected that Czech is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Jarmark.idnes.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

jarmark.idnes.cz

Open Graph data is detected on the main page of Jarmark I Dnes. 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

Jarmark OnaDnes.cz

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)