Access specialni-produkty.cz. Výrobce a dodavatel stavebních materiálů

name

value

score

weighting

FCP (First Contentful Paint)

Value13.1 s

0/100

10%

LCP (Largest Contentful Paint)

Value21.0 s

0/100

25%

SI (Speed Index)

Value27.5 s

0/100

10%

TBT (Total Blocking Time)

Value15,160 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.014

100/100

15%

TTI (Time to Interactive)

Value41.2 s

0/100

10%

specialni-produkty.cz

371 ms

www.specialni-produkty.cz

805 ms

jquery.fancybox-1.3.4.css

368 ms

jquery.min.js

977 ms

combine_main.js

541 ms

Our browser made a total of 77 requests to load all elements on the main page. We found that 95% of them (73 requests) were addressed to the original Specialni-produkty.cz, 5% (4 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (2 sec) belongs to the original domain Specialni-produkty.cz.

Content Size

3.8 MB

After Optimization

2.9 MB

In fact, the total size of Specialni-produkty.cz main page is 3.8 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. 55% of websites need less resources to load. Images take 3.1 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 48.3 kB

Original 58.7 kB
After minification 55.8 kB
After compression 10.3 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 48.3 kB or 82% of the original size.

Image Optimization

-13%

Potential reduce by 422.8 kB

Original 3.1 MB
After minification 2.7 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. Obviously, Specialni Produkty needs image optimization as it can save up to 422.8 kB or 13% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-74%

Potential reduce by 374.8 kB

Original 507.9 kB
After minification 439.0 kB
After compression 133.1 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 374.8 kB or 74% of the original size.

CSS Optimization

-85%

Potential reduce by 76.2 kB

Original 89.6 kB
After minification 68.4 kB
After compression 13.4 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. Specialni-produkty.cz needs all CSS files to be minified and compressed as it can save up to 76.2 kB or 85% of the original size.

Requests Now

After Optimization

The browser has sent 75 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Specialni Produkty. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 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 usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

High

[role]s are not contained by their required parent element

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

Links do not have a discernible name

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

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

High

Serves images with low resolution

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

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 uses legible font sizes

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 Specialni-produkty.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 Specialni-produkty.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

specialni-produkty.cz

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

Výrobce a dodavatel stavebních materiálů | CEMEX 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

specialni-produkty.cz

www.specialni-produkty.cz

jquery.fancybox-1.3.4.css

jquery.min.js

combine_main.js

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

specialni-produkty.cz

www.specialni-produkty.cz

jquery.fancybox-1.3.4.css

jquery.min.js

combine_main.js

common.css

Default.css

setcss.css

precss.css

usercss.css

usercssFirefox.css

banner-rotator.css

WebResource.axd

ScriptResource.axd

Telerik.Web.UI.WebResource.axd

jquery.easing.1.3.min.js

jquery.banner-rotator.min.js

jquery.cycle.all.js

userscript.js

bgBody.gif

btnSlideLeft.png

elego.jpg

france_rotator.png

kalkulacka_objemu.jpg

aktivita-izrael-mala-rotator.png

duramo1.jpg

aktivita_spain2.png

zelena_firma.png

btnSlideRight.png

anhylevel_index.jpg

cemlevel_index.jpg

poroflow_index.jpg

granisol_index.jpg

readymalt_index.jpg

compacton_index.jpg

elegohouse_index.jpg

duramo_index.jpg

banner_kontakty.png

mapaCZE.png

certifikace_provadecich_firem_1_2.jpg

banner%20elego%20small2.jpg

anhylevel_video.jpg

poroflow_video.jpg