Report Summary

  • 67

    Performance

    Renders faster than
    80% of other websites

  • 76

    Accessibility

    Visual factors better than
    that of 43% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 93

    SEO

    Google-friendlier than
    84% of websites

Page Load Speed

2.3 sec in total

First Response

447 ms

Resources Loaded

1.6 sec

Page Rendered

208 ms

bezpecnostni-tabulky-shop.cz screenshot

About Website

Welcome to bezpecnostni-tabulky-shop.cz homepage info - get ready to check Bezpecnostni Tabulky Shop best content right away, or after learning these important things about bezpecnostni-tabulky-shop.cz

Bezpečnostní tabulky, shop výrobce - unikátní zákazové, výstražné tabulky, elektro bezpečnostní tabulky, bezpečnostní pokyny, AluTen. K odeslání do 24 hodin.

Visit bezpecnostni-tabulky-shop.cz

Key Findings

We analyzed Bezpecnostni-tabulky-shop.cz page load time and found that the first response time was 447 ms and then it took 1.8 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

bezpecnostni-tabulky-shop.cz performance score

67

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.9 s

25/100

10%

LCP (Largest Contentful Paint)

Value4.7 s

33/100

25%

SI (Speed Index)

Value6.1 s

45/100

10%

TBT (Total Blocking Time)

Value40 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value5.4 s

71/100

10%

Network Requests Diagram

bezpecnostni-tabulky-shop.cz

447 ms

styl.css

210 ms

styl3.css

333 ms

qTip.css

215 ms

style2.css

227 ms

Our browser made a total of 46 requests to load all elements on the main page. We found that 89% of them (41 requests) were addressed to the original Bezpecnostni-tabulky-shop.cz, 4% (2 requests) were made to Ajax.googleapis.com and 4% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (857 ms) relates to the external source Foggystop.eu.

Page Optimization Overview & Recommendations

Page size can be reduced by 333.1 kB (44%)

Content Size

754.3 kB

After Optimization

421.2 kB

In fact, the total size of Bezpecnostni-tabulky-shop.cz main page is 754.3 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 25% of websites need less resources to load. Images take 697.5 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 18.2 kB

  • Original 23.7 kB
  • After minification 23.2 kB
  • After compression 5.5 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 18.2 kB or 77% of the original size.

Image Optimization

-43%

Potential reduce by 302.1 kB

  • Original 697.5 kB
  • After minification 395.4 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. Obviously, Bezpecnostni Tabulky Shop needs image optimization as it can save up to 302.1 kB or 43% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-11%

Potential reduce by 2.3 kB

  • Original 20.4 kB
  • After minification 19.4 kB
  • After compression 18.0 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 2.3 kB or 11% of the original size.

CSS Optimization

-83%

Potential reduce by 10.5 kB

  • Original 12.7 kB
  • After minification 9.2 kB
  • After compression 2.2 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. Bezpecnostni-tabulky-shop.cz needs all CSS files to be minified and compressed as it can save up to 10.5 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 9 (20%)

Requests Now

45

After Optimization

36

The browser has sent 45 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Bezpecnostni Tabulky 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 5 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

bezpecnostni-tabulky-shop.cz accessibility score

76

Accessibility Issues

Names and labels

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.

Impact

Issue

High

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

Best Practices

bezpecnostni-tabulky-shop.cz best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

bezpecnostni-tabulky-shop.cz SEO score

93

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

Mobile Friendly

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/).

Impact

Issue

High

Document uses legible font sizes

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 Bezpecnostni-tabulky-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 Bezpecnostni-tabulky-shop.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

Open Graph description is not detected on the main page of Bezpecnostni Tabulky Shop. 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: