Report Summary

  • 46

    Performance

    Renders faster than
    65% of other websites

  • 73

    Accessibility

    Visual factors better than
    that of 39% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 62

    SEO

    Google-friendlier than
    22% of websites

stavbaplus.cz

Stavební míchaèky,elektrocentrály,odvlhèovaèe || Stavba Plus.cz

Page Load Speed

8.8 sec in total

First Response

476 ms

Resources Loaded

8.1 sec

Page Rendered

207 ms

stavbaplus.cz screenshot

About Website

Click here to check amazing Stavba Plus content. Otherwise, check out these important facts you probably never knew about stavbaplus.cz

Internetový obchod se stavebními stroji StavbaPlus.cz. Prodáváme Stavební míchaèky, elektrocentrály, odvlhèovaèe vzduchu, stavební vrátky a jíné...

Visit stavbaplus.cz

Key Findings

We analyzed Stavbaplus.cz page load time and found that the first response time was 476 ms and then it took 8.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

stavbaplus.cz performance score

46

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.0 s

83/100

10%

LCP (Largest Contentful Paint)

Value2.0 s

97/100

25%

SI (Speed Index)

Value5.8 s

49/100

10%

TBT (Total Blocking Time)

Value2,540 ms

4/100

30%

CLS (Cumulative Layout Shift)

Value0.529

14/100

15%

TTI (Time to Interactive)

Value7.4 s

48/100

10%

Network Requests Diagram

stavbaplus.cz

476 ms

www.stavbaplus.cz

1404 ms

index.css

994 ms

gal.css

665 ms

index.css

297 ms

Our browser made a total of 51 requests to load all elements on the main page. We found that 16% of them (8 requests) were addressed to the original Stavbaplus.cz, 76% (39 requests) were made to Admin.stavbaplus.cz and 4% (2 requests) were made to Apis.google.com. The less responsive or slowest element that took the longest time to load (5.2 sec) relates to the external source Admin.stavbaplus.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 262.4 kB (34%)

Content Size

779.8 kB

After Optimization

517.4 kB

In fact, the total size of Stavbaplus.cz main page is 779.8 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. 30% of websites need less resources to load. Images take 466.1 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 27.8 kB

  • Original 34.1 kB
  • After minification 33.5 kB
  • After compression 6.3 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 27.8 kB or 82% of the original size.

Image Optimization

-9%

Potential reduce by 42.9 kB

  • Original 466.1 kB
  • After minification 423.3 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. Stavba Plus images are well optimized though.

JavaScript Optimization

-65%

Potential reduce by 143.1 kB

  • Original 220.5 kB
  • After minification 213.9 kB
  • After compression 77.3 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 143.1 kB or 65% of the original size.

CSS Optimization

-82%

Potential reduce by 48.6 kB

  • Original 59.1 kB
  • After minification 56.3 kB
  • After compression 10.5 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. Stavbaplus.cz needs all CSS files to be minified and compressed as it can save up to 48.6 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 13 (27%)

Requests Now

49

After Optimization

36

The browser has sent 49 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Stavba Plus. 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 as a result speed up the page load time.

Accessibility Review

stavbaplus.cz accessibility score

73

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

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

stavbaplus.cz best practices score

58

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

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

stavbaplus.cz SEO score

62

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

Language and Encoding

  • Language Detected

    N/A

  • Language Claimed

    CS

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Stavbaplus.cz can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else), while the claimed language is Czech. Our system also found out that Stavbaplus.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 Stavba Plus. 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: