Tools & Wizards About Us
nejvetsivyprodeje.cz screenshot

Report Summary

  • 74

    Performance

    Renders faster than
    83% of other websites

  • 45

    Accessibility

    Visual factors better than
    that of 19% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

nejvetsivyprodeje.cz

AliExpress - Online Shopping for Popular Electronics, Fashion, Home & Garden, Toys & Sports, Automobiles and More products - AliExpress

Page Load Speed

21.5 sec in total

First Response

261 ms

Resources Loaded

20.9 sec

Page Rendered

322 ms

nejvetsivyprodeje.cz screenshot

About Website

Welcome to nejvetsivyprodeje.cz homepage info - get ready to check Nejvetsivyprodeje best content for Russia right away, or after learning these important things about nejvetsivyprodeje.cz

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Key Findings

We analyzed Nejvetsivyprodeje.cz page load time and found that the first response time was 261 ms and then it took 21.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster. Unfortunately, there were 2 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

nejvetsivyprodeje.cz performance score

74

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.1 s

46/100

10%

LCP (Largest Contentful Paint)

Value4.2 s

43/100

25%

SI (Speed Index)

Value3.3 s

91/100

10%

TBT (Total Blocking Time)

Value160 ms

94/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value6.0 s

64/100

10%

Network Requests Diagram

nejvetsivyprodeje.cz

261 ms

analytics.js

21 ms

bootstrap.min.css

242 ms

ionicons.css

207 ms

style.css

232 ms

Our browser made a total of 41 requests to load all elements on the main page. We found that 66% of them (27 requests) were addressed to the original Nejvetsivyprodeje.cz, 15% (6 requests) were made to Obrazky.crosta.cz and 7% (3 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (20.3 sec) relates to the external source Toplist.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 13.8 kB (3%)

Content Size

445.0 kB

After Optimization

431.2 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Nejvetsivyprodeje.cz main page is 445.0 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. 35% of websites need less resources to load. Images take 313.8 kB which makes up the majority of the site volume.

HTML Optimization

-72%

Potential reduce by 7.8 kB

  • Original 10.8 kB
  • After minification 9.1 kB
  • After compression 3.0 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 1.7 kB, which is 16% 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 7.8 kB or 72% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 313.8 kB
  • After minification 313.8 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. Nejvetsivyprodeje images are well optimized though.

JavaScript Optimization

-3%

Potential reduce by 2.7 kB

  • Original 83.1 kB
  • After minification 83.1 kB
  • After compression 80.4 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. This website has mostly compressed JavaScripts.

CSS Optimization

-9%

Potential reduce by 3.3 kB

  • Original 37.3 kB
  • After minification 37.3 kB
  • After compression 34.0 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. Nejvetsivyprodeje.cz has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 25 (66%)

Requests Now

38

After Optimization

13

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 38 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Nejvetsivyprodeje. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and from 12 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

nejvetsivyprodeje.cz

nejvetsivyprodeje.cz

261 ms

analytics.js

analytics.js

21 ms

bootstrap.min.css

bootstrap.min.css

242 ms

ionicons.css

ionicons.css

207 ms

style.css

style.css

232 ms

owl.theme.css

owl.theme.css

210 ms

owl.carousel.css

owl.carousel.css

231 ms

nivo-lightbox.css

nivo-lightbox.css

231 ms

default.css

default.css

321 ms

red.css

red.css

314 ms

styles.css

styles.css

341 ms

responsive.css

responsive.css

339 ms

aliexpres.html

aliexpres.html

336 ms

3518.jpg

3518.jpg

752 ms

jquery.min.js

jquery.min.js

470 ms

bootstrap.min.js

bootstrap.min.js

419 ms

retina-1.1.0.min.js

retina-1.1.0.min.js

422 ms

smoothscroll.js

smoothscroll.js

440 ms

jquery.scrollTo.min.js

jquery.scrollTo.min.js

445 ms

jquery.localScroll.min.js

jquery.localScroll.min.js

447 ms

owl.carousel.min.js

owl.carousel.min.js

525 ms

nivo-lightbox.min.js

nivo-lightbox.min.js

525 ms

simple-expand.min.js

simple-expand.min.js

543 ms

jquery.nav.js

jquery.nav.js

553 ms

jquery.fitvids.js

jquery.fitvids.js

555 ms

jquery.ajaxchimp.min.js

jquery.ajaxchimp.min.js

579 ms

custom.js

custom.js

636 ms

3568.jpg

3568.jpg

748 ms

3570.jpg

3570.jpg

751 ms

3571.jpg

3571.jpg

781 ms

3572.jpg

3572.jpg

803 ms

3637.jpg

3637.jpg

752 ms

collect

collect

13 ms

js

js

64 ms

loader.css

loader.css

294 ms

nejvetsivyprodeje.cz

nejvetsivyprodeje.cz

314 ms

css

css

17 ms

dot.asp

dot.asp

20250 ms

font

font

7 ms

collect

collect

17 ms

dot.asp

dot.asp

19959 ms

Accessibility Review

nejvetsivyprodeje.cz accessibility score

45

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.

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

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

nejvetsivyprodeje.cz best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

nejvetsivyprodeje.cz SEO score

92

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

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Nejvetsivyprodeje.cz can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Nejvetsivyprodeje.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

nejvetsivyprodeje.cz

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