Access sumavanet.cz. ?umava Net

name

value

score

weighting

FCP (First Contentful Paint)

Value5.9 s

4/100

10%

LCP (Largest Contentful Paint)

Value18.5 s

0/100

25%

SI (Speed Index)

Value8.8 s

15/100

10%

TBT (Total Blocking Time)

Value1,700 ms

11/100

30%

CLS (Cumulative Layout Shift)

Value0.804

5/100

15%

TTI (Time to Interactive)

Value13.0 s

13/100

10%

www.sumavanet.cz

818 ms

c4520233b0d2cbb75833a63498ace254.js

454 ms

cookieconsent.css

104 ms

js

89 ms

portal.css

367 ms

Our browser made a total of 102 requests to load all elements on the main page. We found that 74% of them (75 requests) were addressed to the original Sumavanet.cz, 5% (5 requests) were made to Google.com and 4% (4 requests) were made to Pagead2.googlesyndication.com. The less responsive or slowest element that took the longest time to load (886 ms) belongs to the original domain Sumavanet.cz.

Content Size

1.5 MB

After Optimization

1.0 MB

In fact, the total size of Sumavanet.cz main page is 1.5 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. 65% of websites need less resources to load. Javascripts take 787.8 kB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 241.0 kB

Original 277.2 kB
After minification 233.4 kB
After compression 36.2 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 43.8 kB, which is 16% 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 241.0 kB or 87% of the original size.

Image Optimization

-3%

Potential reduce by 10.9 kB

Original 350.7 kB
After minification 339.8 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. S Umava Net images are well optimized though.

JavaScript Optimization

-24%

Potential reduce by 189.8 kB

Original 787.8 kB
After minification 787.7 kB
After compression 598.0 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 189.8 kB or 24% of the original size.

CSS Optimization

-26%

Potential reduce by 13.1 kB

Original 50.9 kB
After minification 50.7 kB
After compression 37.8 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. Sumavanet.cz needs all CSS files to be minified and compressed as it can save up to 13.1 kB or 26% of the original size.

Requests Now

After Optimization

The browser has sent 94 CSS, Javascripts, AJAX and image requests in order to completely render the main page of S Umava Net. 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 20 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

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

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

Form elements do not have associated labels

High

Links do not have a discernible name

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

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

Search Engine Optimization Advices

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 doesn't use legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

Language Detected

N/A
Language Claimed

CS
Encoding

WINDOWS-1250

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sumavanet.cz can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else), while the claimed language is Czech. Our system also found out that Sumavanet.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

sumavanet.cz

Open Graph description is not detected on the main page of S Umava Net. 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

?umava Net - ubytov?n? ?umava

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.sumavanet.cz

c4520233b0d2cbb75833a63498ace254.js

cookieconsent.css

js

portal.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.sumavanet.cz

c4520233b0d2cbb75833a63498ace254.js

cookieconsent.css

js

portal.css

menu.css

kostra.css

rsmenu.css

obsahy.css

vitem.css

barvy.css

ai-blok.css

flag-icon.css

formid.css

mediaqueries.css

title.css

fotogalerie.css

getmap_api.css

css

all.min.css

jquery.min.js

rspmenuintro.js

rsmenu19.js

cse.js

adsbygoogle.js

rc.js

js

js

back-zima-reka.jpg

logo.gif

lazadov-400x160.gif

mszapad-400x160.gif

resizer.aspx

resizer.aspx

resizer.aspx

resizer.aspx

resizer.aspx

resizer.aspx

resizer.aspx

resizer.aspx

resizer.aspx

resizer.aspx

resizer.aspx