Report Summary

  • 43

    Performance

    Renders faster than
    62% of other websites

  • 69

    Accessibility

    Visual factors better than
    that of 34% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

sineko.cz

Plastové jímky, septiky, žumpy, nádrže a čov

Page Load Speed

4.7 sec in total

First Response

14 ms

Resources Loaded

4.5 sec

Page Rendered

216 ms

sineko.cz screenshot

About Website

Welcome to sineko.cz homepage info - get ready to check Sineko best content for Czech Republic right away, or after learning these important things about sineko.cz

Jsme tradiční český výrobce septiků, ČOV - čističek odpadních vod, jímek, plastových žump a zemních filtrů.

Visit sineko.cz

Key Findings

We analyzed Sineko.cz page load time and found that the first response time was 14 ms and then it took 4.7 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

sineko.cz performance score

43

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.1 s

45/100

10%

LCP (Largest Contentful Paint)

Value4.0 s

48/100

25%

SI (Speed Index)

Value6.4 s

40/100

10%

TBT (Total Blocking Time)

Value1,250 ms

19/100

30%

CLS (Cumulative Layout Shift)

Value0.002

100/100

15%

TTI (Time to Interactive)

Value12.3 s

15/100

10%

Network Requests Diagram

sineko.cz

14 ms

www.sineko.cz

1157 ms

gtm.js

137 ms

style-main.min.css

8 ms

app-main.js

105 ms

Our browser made a total of 48 requests to load all elements on the main page. We found that 48% of them (23 requests) were addressed to the original Sineko.cz, 44% (21 requests) were made to Storage.sineko.cz and 2% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (3 sec) relates to the external source Storage.sineko.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 62.6 kB (79%)

Content Size

78.8 kB

After Optimization

16.2 kB

In fact, the total size of Sineko.cz main page is 78.8 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. 35% of websites need less resources to load. HTML takes 75.9 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 62.5 kB

  • Original 75.9 kB
  • After minification 75.7 kB
  • After compression 13.3 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 62.5 kB or 82% of the original size.

JavaScript Optimization

-2%

Potential reduce by 63 B

  • Original 2.9 kB
  • After minification 2.9 kB
  • After compression 2.8 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.

Requests Breakdown

Number of requests can be reduced by 13 (30%)

Requests Now

44

After Optimization

31

The browser has sent 44 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sineko. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

sineko.cz accessibility score

69

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

ARIA input fields do not have accessible names

High

[aria-*] attributes do not have valid values

High

ARIA IDs are not unique

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

Form elements do not have associated labels

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>).

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best Practices

sineko.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

High

Page has valid source maps

SEO Factors

sineko.cz SEO score

79

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

High

robots.txt is not valid

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 doesn't use legible font sizes

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 Sineko.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 Sineko.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 Sineko. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: