Report Summary

  • 57

    Performance

    Renders faster than
    74% of other websites

  • 82

    Accessibility

    Visual factors better than
    that of 54% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

separa.cz

Bazény, zastřešení bazénů, čistírny odpadních vod, plastové nádrže, odlučovače - SEPARA s. r. o. Bazénový specialista v České republice

Page Load Speed

3.6 sec in total

First Response

424 ms

Resources Loaded

2.3 sec

Page Rendered

841 ms

separa.cz screenshot

About Website

Visit separa.cz now to see the best up-to-date SEPARA content and also check out these interesting facts you probably never knew about separa.cz

SEPARA, s. r. o. bazénový specialista v České republice s tradicí 23 let na trhu je významný prodejce bazénů, zastřešení bazénů a čistíren odpadních vod v České republice a zemích Evropské unie.

Visit separa.cz

Key Findings

We analyzed Separa.cz page load time and found that the first response time was 424 ms and then it took 3.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

separa.cz performance score

57

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.9 s

25/100

10%

LCP (Largest Contentful Paint)

Value8.4 s

2/100

25%

SI (Speed Index)

Value6.0 s

47/100

10%

TBT (Total Blocking Time)

Value40 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.113

86/100

15%

TTI (Time to Interactive)

Value5.6 s

69/100

10%

Network Requests Diagram

separa.cz

424 ms

www.separa.cz

1110 ms

style-504.css

456 ms

cufon.css

457 ms

jquery.fancybox-1.3.4.css

457 ms

Our browser made a total of 39 requests to load all elements on the main page. We found that 5% of them (2 requests) were addressed to the original Separa.cz, 87% (34 requests) were made to D1.webseller-app.com and 5% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Separa.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 58.7 kB (48%)

Content Size

121.7 kB

After Optimization

62.9 kB

In fact, the total size of Separa.cz main page is 121.7 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. Only 10% of websites need less resources to load. Javascripts take 86.2 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 26.8 kB

  • Original 35.4 kB
  • After minification 34.1 kB
  • After compression 8.6 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 26.8 kB or 76% of the original size.

JavaScript Optimization

-37%

Potential reduce by 32.0 kB

  • Original 86.2 kB
  • After minification 86.2 kB
  • After compression 54.3 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 32.0 kB or 37% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

3

After Optimization

3

The browser has sent 3 CSS, Javascripts, AJAX and image requests in order to completely render the main page of SEPARA. According to our analytics all requests are already optimized.

Accessibility Review

separa.cz accessibility score

82

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

Links do not have a discernible name

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Best Practices

separa.cz best practices score

67

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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

separa.cz SEO score

69

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

    CS

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Separa.cz can be misinterpreted by Google and other search engines. Our service has detected that Czech is used on the page, and it does not match the claimed English language. Our system also found out that Separa.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 data is detected on the main page of PARSED_DOMAIN, but there is no image specified in description. It would be a good idea for the website admin to select a nice image that can properly represent the website in Open Graph data, otherwise the first found image will be taken for this purpose and social media information block will look like this: