Access sportujme.cz. Sportujme.cz - Boot camp s Hankou Dvorskou

Report Summary

name

value

score

weighting

FCP (First Contentful Paint)

Value4.7 s

12/100

10%

LCP (Largest Contentful Paint)

Value6.1 s

12/100

25%

SI (Speed Index)

Value11.5 s

5/100

10%

TBT (Total Blocking Time)

Value210 ms

89/100

30%

CLS (Cumulative Layout Shift)

Value0.373

28/100

15%

TTI (Time to Interactive)

Value10.0 s

26/100

10%

index.asp

5206 ms

main_22.css

102 ms

main_page_22.css

221 ms

jquery.fancybox.css

335 ms

jquery-1.9.1.min.js

636 ms

Our browser made a total of 122 requests to load all elements on the main page. We found that 97% of them (118 requests) were addressed to the original Sportujme.cz, 2% (2 requests) were made to Connect.facebook.net and 1% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (5.2 sec) belongs to the original domain Sportujme.cz.

Content Size

6.8 MB

After Optimization

6.7 MB

In fact, the total size of Sportujme.cz main page is 6.8 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. 70% of websites need less resources to load. Images take 6.7 MB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 52.2 kB

Original 69.8 kB
After minification 69.0 kB
After compression 17.6 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 52.2 kB or 75% of the original size.

Image Optimization

-1%

Potential reduce by 92.4 kB

Original 6.7 MB
After minification 6.6 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. Sportujme images are well optimized though.

JavaScript Optimization

-10%

Potential reduce by 5.4 kB

Original 52.3 kB
After minification 51.7 kB
After compression 46.9 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

-33%

Potential reduce by 4.6 kB

Original 13.9 kB
After minification 13.9 kB
After compression 9.3 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. Sportujme.cz needs all CSS files to be minified and compressed as it can save up to 4.6 kB or 33% of the original size.

Requests Now

120

After Optimization

107

The browser has sent 120 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sportujme. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and from 5 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

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

Browser errors were logged to the console

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

High

Tap targets are not sized appropriately

Language and Encoding

Language Detected

EN
Language Claimed

N/A
Encoding

WINDOWS-1250

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sportujme.cz can be misinterpreted by Google and other search engines. Our service has detected that English 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 Sportujme.cz main page’s claimed encoding is windows-1250. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

sportujme.cz

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

Report Summary

Performance

Accessibility

Best Practices

SEO

Sportujme.cz - Boot camp s Hankou Dvorskou

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)