Tools & Wizards About Us
obchodnirejstrikfirem.cz screenshot

Report Summary

  • 79

    Performance

    Renders faster than
    86% of other websites

  • 67

    Accessibility

    Visual factors better than
    that of 32% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

obchodnirejstrikfirem.cz

Obchodn? rejst??k firem - adres??, seznam, katalog ( firem, obchod? a zbo?? ) - firmy, obchody | www.ObchodniRejstrikFirem.cz

Page Load Speed

2.7 sec in total

First Response

499 ms

Resources Loaded

2 sec

Page Rendered

230 ms

obchodnirejstrikfirem.cz screenshot

About Website

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

Obchodn? rejst??k firem - adres??, seznam, katalog ( firem, obchod? a zbo?? ) - firmy, obchody | www.ObchodniRejstrikFirem.cz

Visit obchodnirejstrikfirem.cz

Key Findings

We analyzed Obchodnirejstrikfirem.cz page load time and found that the first response time was 499 ms and then it took 2.2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster. This domain responded with an error, which can significantly jeopardize Obchodnirejstrikfirem.cz rating and web reputation

Performance Metrics

obchodnirejstrikfirem.cz performance score

79

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

69/100

10%

LCP (Largest Contentful Paint)

Value2.5 s

90/100

25%

SI (Speed Index)

Value3.3 s

91/100

10%

TBT (Total Blocking Time)

Value440 ms

63/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value5.6 s

69/100

10%

Network Requests Diagram

obchodnirejstrikfirem.cz

499 ms

www.obchodnirejstrikfirem.cz

830 ms

default.css

439 ms

browsers.js

241 ms

functions.js

454 ms

Our browser made a total of 17 requests to load all elements on the main page. We found that 88% of them (15 requests) were addressed to the original Obchodnirejstrikfirem.cz, 6% (1 request) were made to Google-analytics.com and 6% (1 request) were made to Toplist.cz. The less responsive or slowest element that took the longest time to load (830 ms) belongs to the original domain Obchodnirejstrikfirem.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 50.3 kB (75%)

Content Size

67.3 kB

After Optimization

17.0 kB

  • HTML
  • JavaScript
  • CSS

In fact, the total size of Obchodnirejstrikfirem.cz main page is 67.3 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only 5% of websites need less resources to load. Javascripts take 39.9 kB which makes up the majority of the site volume.

HTML Optimization

-66%

Potential reduce by 9.9 kB

  • Original 15.1 kB
  • After minification 14.8 kB
  • After compression 5.2 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 9.9 kB or 66% of the original size.

JavaScript Optimization

-77%

Potential reduce by 30.6 kB

  • Original 39.9 kB
  • After minification 30.2 kB
  • After compression 9.3 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 30.6 kB or 77% of the original size.

CSS Optimization

-80%

Potential reduce by 9.8 kB

  • Original 12.2 kB
  • After minification 10.2 kB
  • After compression 2.5 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. Obchodnirejstrikfirem.cz needs all CSS files to be minified and compressed as it can save up to 9.8 kB or 80% of the original size.

Requests Breakdown

Number of requests can be reduced by 9 (64%)

Requests Now

14

After Optimization

5

  • Images
  • JavaScript
  • CSS

The browser has sent 14 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Obchodni Rejstrik Firem. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

obchodnirejstrikfirem.cz

obchodnirejstrikfirem.cz

499 ms

www.obchodnirejstrikfirem.cz

www.obchodnirejstrikfirem.cz

830 ms

default.css

default.css

439 ms

browsers.js

browsers.js

241 ms

functions.js

functions.js

454 ms

popupy.js

popupy.js

242 ms

google.js

google.js

564 ms

naseptavac.js

naseptavac.js

325 ms

__utm.gif

__utm.gif

58 ms

bgrBody.gif

bgrBody.gif

148 ms

hdrLogoRejstrik.gif

hdrLogoRejstrik.gif

145 ms

bgrHzo.gif

bgrHzo.gif

145 ms

bgrHzc.gif

bgrHzc.gif

143 ms

dot.gif

dot.gif

113 ms

bgrWeb2.gif

bgrWeb2.gif

145 ms

bgrWeb.gif

bgrWeb.gif

225 ms

dot.asp

dot.asp

213 ms

Accessibility Review

obchodnirejstrikfirem.cz accessibility score

67

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

[id] attributes on active, focusable elements are not unique

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

Best Practices

obchodnirejstrikfirem.cz best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

obchodnirejstrikfirem.cz SEO score

77

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    CS

  • Language Claimed

    CS

  • Encoding

    WINDOWS-1250

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Obchodnirejstrikfirem.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 Obchodnirejstrikfirem.cz main page’s claimed encoding is windows-1250. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

obchodnirejstrikfirem.cz

Open Graph description is not detected on the main page of Obchodni Rejstrik Firem. 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: