Tools & Wizards About Us

Report Summary

  • 47

    Performance

    Renders faster than
    65% of other websites

  • 98

    Accessibility

    Visual factors better than
    that of 94% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 99

    SEO

    Google-friendlier than
    93% of websites

esvit.cz

Dodáváme LED svítidla, elektromateriál, kabely a elektrické vytápění - Esvit.cz

Page Load Speed

5.1 sec in total

First Response

314 ms

Resources Loaded

4.3 sec

Page Rendered

439 ms

About Website

Visit esvit.cz now to see the best up-to-date Esvit content for Czech Republic and also check out these interesting facts you probably never knew about esvit.cz

Svítidla, světelné zdroje LED, elektrické vytápění, elektromateriál a kabely. Návrhy a projekty osvětlení

Visit esvit.cz

Key Findings

We analyzed Esvit.cz page load time and found that the first response time was 314 ms and then it took 4.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

esvit.cz performance score

47

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.8 s

11/100

10%

LCP (Largest Contentful Paint)

Value7.5 s

4/100

25%

SI (Speed Index)

Value6.5 s

39/100

10%

TBT (Total Blocking Time)

Value400 ms

68/100

30%

CLS (Cumulative Layout Shift)

Value0.03

100/100

15%

TTI (Time to Interactive)

Value6.7 s

56/100

10%

Network Requests Diagram

esvit.cz

314 ms

www.esvit.cz

773 ms

gtm.js

52 ms

style-common.min.css

142 ms

style-1672788962.min.css

245 ms

Our browser made a total of 118 requests to load all elements on the main page. We found that 97% of them (115 requests) were addressed to the original Esvit.cz, 1% (1 request) were made to Googletagmanager.com and 1% (1 request) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (773 ms) belongs to the original domain Esvit.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 344.9 kB (32%)

Content Size

1.1 MB

After Optimization

717.3 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Esvit.cz main page is 1.1 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. 50% of websites need less resources to load. Images take 572.4 kB which makes up the majority of the site volume.

HTML Optimization

-90%

Potential reduce by 293.9 kB

  • Original 326.0 kB
  • After minification 197.3 kB
  • After compression 32.0 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 128.6 kB, which is 39% 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 293.9 kB or 90% of the original size.

Image Optimization

-4%

Potential reduce by 22.5 kB

  • Original 572.4 kB
  • After minification 549.9 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. Esvit images are well optimized though.

JavaScript Optimization

-16%

Potential reduce by 16.8 kB

  • Original 104.8 kB
  • After minification 104.8 kB
  • After compression 88.0 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 16.8 kB or 16% of the original size.

CSS Optimization

-20%

Potential reduce by 11.7 kB

  • Original 59.0 kB
  • After minification 59.0 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. Esvit.cz needs all CSS files to be minified and compressed as it can save up to 11.7 kB or 20% of the original size.

Requests Breakdown

Number of requests can be reduced by 12 (11%)

Requests Now

113

After Optimization

101

  • Images
  • JavaScript
  • CSS

The browser has sent 113 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Esvit. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

esvit.cz accessibility score

98

Accessibility Issues

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

esvit.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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

esvit.cz SEO score

99

Search Engine Optimization Advices

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

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 Esvit.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 Esvit.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

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