Access oknanebodvere.cz. Plastov? okna a interi?rov? dve?e

name

value

score

weighting

FCP (First Contentful Paint)

Value7.1 s

1/100

10%

LCP (Largest Contentful Paint)

Value18.1 s

0/100

25%

SI (Speed Index)

Value12.7 s

3/100

10%

TBT (Total Blocking Time)

Value200 ms

90/100

30%

CLS (Cumulative Layout Shift)

Value0.201

62/100

15%

TTI (Time to Interactive)

Value10.5 s

24/100

10%

oknanebodvere.cz

360 ms

www.oknanebodvere.cz

1171 ms

jquery-ui-1.9.2.custom.css

578 ms

select2.css

475 ms

slimbox2.css

240 ms

Our browser made a total of 139 requests to load all elements on the main page. We found that 94% of them (131 requests) were addressed to the original Oknanebodvere.cz, 2% (3 requests) were made to Google-analytics.com and 1% (2 requests) were made to C.imedia.cz. The less responsive or slowest element that took the longest time to load (1.7 sec) belongs to the original domain Oknanebodvere.cz.

Content Size

8.5 MB

After Optimization

7.4 MB

In fact, the total size of Oknanebodvere.cz main page is 8.5 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. 35% of websites need less resources to load. Images take 7.5 MB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 111.3 kB

Original 127.5 kB
After minification 118.8 kB
After compression 16.2 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. 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 111.3 kB or 87% of the original size.

Image Optimization

-4%

Potential reduce by 267.9 kB

Original 7.5 MB
After minification 7.2 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. Oknanebodvere images are well optimized though.

JavaScript Optimization

-75%

Potential reduce by 473.3 kB

Original 633.5 kB
After minification 536.7 kB
After compression 160.2 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 473.3 kB or 75% of the original size.

CSS Optimization

-86%

Potential reduce by 184.0 kB

Original 215.0 kB
After minification 164.2 kB
After compression 31.0 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. Oknanebodvere.cz needs all CSS files to be minified and compressed as it can save up to 184.0 kB or 86% of the original size.

Requests Now

137

After Optimization

The browser has sent 137 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Oknanebodvere. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 18 to 1 for JavaScripts and from 8 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 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

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

Search Engine Optimization Advices

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

High

Links are not crawlable

Language and Encoding

Language Detected

CS
Language Claimed

CS
Encoding

WINDOWS-1250

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Oknanebodvere.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 Oknanebodvere.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

oknanebodvere.cz

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

Plastov? okna a interi?rov? dve?e | Oknanebodvere.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)

Network Requests Diagram

oknanebodvere.cz

www.oknanebodvere.cz

jquery-ui-1.9.2.custom.css

select2.css

slimbox2.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

oknanebodvere.cz

www.oknanebodvere.cz

jquery-ui-1.9.2.custom.css

select2.css

slimbox2.css

jquery.jqzoom.css

jquery.bxslider.css

jcarousel.css

styles.css

jquery-1.8.3.min.js

jquery-ui-1.9.2.custom.min.js

jquery.form.js

filters.js

jquery.ba-hashchange.min.js

jquery.bxslider.min.js

imgpreview.full.0.22.jquery.js

jquery.jqzoom-core.js

trailers.js

jquery.jcarousel.min.js

select2.js

slimbox2.js

review.rating.js

cartwindow.js

jquery.registration.js

retargeting.js

analytics.js

gjs.php

hotline.png

code.php

refresh-small.png

bg.png

logo.png

cs.gif

sk.gif

search-input.png

user-bg.png

images.png

input.jpg

oblibene-bg.png

kosik-bg.png

bg-pocitadlo.png

topmenu-line

bg-label-leftmenu-inactive.png