Report Summary

  • 16

    Performance

    Renders faster than
    30% of other websites

  • 90

    Accessibility

    Visual factors better than
    that of 74% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

jakpronajimatbyty.cz

Jak kupovat a pronajímat byty bez rizika v roce 2023 - JakPronajimatByty.cz

Page Load Speed

5.5 sec in total

First Response

432 ms

Resources Loaded

3.3 sec

Page Rendered

1.7 sec

About Website

Click here to check amazing Jak Pronajimat Byty content for Czech Republic. Otherwise, check out these important facts you probably never knew about jakpronajimatbyty.cz

Zkušenosti, doporučení a tipy pro pronajímatele bytů a rodinných domů. Obrana před neplatiči a problematickými nájemci. Vzorová "neprůstřelná" nájemní smlouva. Zdarma články. Dokumenty, formuláře, vzo...

Visit jakpronajimatbyty.cz

Key Findings

We analyzed Jakpronajimatbyty.cz page load time and found that the first response time was 432 ms and then it took 5 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

jakpronajimatbyty.cz performance score

16

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.0 s

9/100

10%

LCP (Largest Contentful Paint)

Value5.6 s

17/100

25%

SI (Speed Index)

Value8.6 s

17/100

10%

TBT (Total Blocking Time)

Value4,150 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0.227

55/100

15%

TTI (Time to Interactive)

Value14.4 s

9/100

10%

Network Requests Diagram

jakpronajimatbyty.cz

432 ms

style.css

120 ms

empty.php

224 ms

hlavni.php

338 ms

stranka-nenalezena.php

595 ms

Our browser made a total of 75 requests to load all elements on the main page. We found that 75% of them (56 requests) were addressed to the original Jakpronajimatbyty.cz, 5% (4 requests) were made to Facebook.com and 3% (2 requests) were made to Fast.wistia.net. The less responsive or slowest element that took the longest time to load (1 sec) relates to the external source Fump.cvc.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 30.5 kB (6%)

Content Size

488.2 kB

After Optimization

457.7 kB

In fact, the total size of Jakpronajimatbyty.cz main page is 488.2 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. 45% of websites need less resources to load. Javascripts take 255.5 kB which makes up the majority of the site volume.

HTML Optimization

-43%

Potential reduce by 369 B

  • Original 863 B
  • After minification 813 B
  • After compression 494 B

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 369 B or 43% of the original size.

Image Optimization

-2%

Potential reduce by 4.1 kB

  • Original 227.8 kB
  • After minification 223.7 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. Jak Pronajimat Byty images are well optimized though.

JavaScript Optimization

-9%

Potential reduce by 23.0 kB

  • Original 255.5 kB
  • After minification 253.2 kB
  • After compression 232.5 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

-77%

Potential reduce by 3.1 kB

  • Original 4.0 kB
  • After minification 3.7 kB
  • After compression 929 B

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. Jakpronajimatbyty.cz needs all CSS files to be minified and compressed as it can save up to 3.1 kB or 77% of the original size.

Requests Breakdown

Number of requests can be reduced by 27 (41%)

Requests Now

66

After Optimization

39

The browser has sent 66 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jak Pronajimat Byty. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

jakpronajimatbyty.cz accessibility score

90

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

Heading elements are not in a sequentially-descending order

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

Best Practices

jakpronajimatbyty.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

Missing source maps for large first-party JavaScript

SEO Factors

jakpronajimatbyty.cz SEO score

93

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

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

    CS

  • Language Claimed

    N/A

  • Encoding

    WINDOWS-1250

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Jakpronajimatbyty.cz can be misinterpreted by Google and other search engines. Our service has detected that Czech is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Jakpronajimatbyty.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

Open Graph description is not detected on the main page of Jak Pronajimat Byty. 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: