Access laser-shop.cz. Laser-shop.cz - prodej laserové techniky a příslušenství

name

value

score

weighting

FCP (First Contentful Paint)

Value4.1 s

21/100

10%

LCP (Largest Contentful Paint)

Value9.9 s

0/100

25%

SI (Speed Index)

Value8.7 s

16/100

10%

TBT (Total Blocking Time)

Value2,300 ms

5/100

30%

CLS (Cumulative Layout Shift)

Value0.367

29/100

15%

TTI (Time to Interactive)

Value20.8 s

2/100

10%

laser-shop.cz

727 ms

roboto.css

694 ms

roboto-condensed.css

796 ms

bootstrap.min.css

284 ms

elegant_ico.css

381 ms

Our browser made a total of 108 requests to load all elements on the main page. We found that 66% of them (71 requests) were addressed to the original Laser-shop.cz, 19% (20 requests) were made to Shared.czechproject.cz and 5% (5 requests) were made to Google.com. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Laser-shop.cz.

Content Size

1.4 MB

After Optimization

992.3 kB

In fact, the total size of Laser-shop.cz main page is 1.4 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. Images take 602.9 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 58.4 kB

Original 72.2 kB
After minification 71.6 kB
After compression 13.8 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 58.4 kB or 81% of the original size.

Image Optimization

-5%

Potential reduce by 27.5 kB

Original 602.9 kB
After minification 575.4 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. Laser Shop images are well optimized though.

JavaScript Optimization

-31%

Potential reduce by 156.6 kB

Original 512.5 kB
After minification 510.4 kB
After compression 355.9 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 156.6 kB or 31% of the original size.

CSS Optimization

-82%

Potential reduce by 209.0 kB

Original 256.3 kB
After minification 241.8 kB
After compression 47.3 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. Laser-shop.cz needs all CSS files to be minified and compressed as it can save up to 209.0 kB or 82% of the original size.

Requests Now

After Optimization

The browser has sent 90 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Laser Shop. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and from 13 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

ARIA input fields do not have accessible names

High

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

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

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

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 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.

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

Browser errors were logged to the console

High

Page has valid source maps

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

CS
Language Claimed

CS
Encoding

UTF-8

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

laser-shop.cz

Open Graph data is detected on the main page of Laser Shop. 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

Laser-shop.cz - prodej laserové techniky a příslušenství

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

laser-shop.cz

roboto.css

roboto-condensed.css

bootstrap.min.css

elegant_ico.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

laser-shop.cz

roboto.css

roboto-condensed.css

bootstrap.min.css

elegant_ico.css

style.min.css

menu.min.css

global.min.css

api.js

jquery.min.js

bootstrap.min.js

magnific-popup.min.js

scripts.min.js

scripts-shop.min.js

slider.min.css

rc.js

ie10-viewport-bug-workaround.js

footer_opt_in.js

print.min.css

gtm.js

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