Tools & Wizards About Us
ubytovani.studentagency.cz screenshot

Report Summary

  • 16

    Performance

    Renders faster than
    30% of other websites

  • 88

    Accessibility

    Visual factors better than
    that of 68% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

ubytovani.studentagency.cz

Booking.com | Official site | The best hotels, flights, car rentals & accommodations

Page Load Speed

5.1 sec in total

First Response

1.6 sec

Resources Loaded

3.2 sec

Page Rendered

317 ms

ubytovani.studentagency.cz screenshot

About Website

Visit ubytovani.studentagency.cz now to see the best up-to-date Ubytovani Studentagency content for Czech Republic and also check out these interesting facts you probably never knew about ubytovani.studentagency.cz

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Key Findings

We analyzed Ubytovani.studentagency.cz page load time and found that the first response time was 1.6 sec and then it took 3.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

ubytovani.studentagency.cz performance score

16

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.5 s

6/100

10%

LCP (Largest Contentful Paint)

Value23.2 s

0/100

25%

SI (Speed Index)

Value11.9 s

4/100

10%

TBT (Total Blocking Time)

Value7,300 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.002

100/100

15%

TTI (Time to Interactive)

Value29.6 s

0/100

10%

Network Requests Diagram

ubytovani.studentagency.cz

1648 ms

cookie-banner.min.js

17 ms

2454015045ef79168d452ff4e7f30bdadff0aa81.js

21 ms

9d70a69e185c1ecb6282dd4089ba720e2580c4c2.css

32 ms

de150bdd2c4f503788221a11564ca289cdbe20e5.css

29 ms

Our browser made a total of 124 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Ubytovani.studentagency.cz, 96% (119 requests) were made to Cf.bstatic.com and 2% (2 requests) were made to T-cf.bstatic.com. The less responsive or slowest element that took the longest time to load (1.6 sec) belongs to the original domain Ubytovani.studentagency.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 607.0 kB (14%)

Content Size

4.4 MB

After Optimization

3.8 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Ubytovani.studentagency.cz main page is 4.4 MB. 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 a small number of websites need less resources to load. Javascripts take 2.8 MB which makes up the majority of the site volume.

HTML Optimization

-70%

Potential reduce by 397.4 kB

  • Original 568.2 kB
  • After minification 567.7 kB
  • After compression 170.8 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 397.4 kB or 70% of the original size.

Image Optimization

-2%

Potential reduce by 14.7 kB

  • Original 742.9 kB
  • After minification 728.2 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. Ubytovani Studentagency images are well optimized though.

JavaScript Optimization

-7%

Potential reduce by 189.0 kB

  • Original 2.8 MB
  • After minification 2.8 MB
  • After compression 2.6 MB

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

-2%

Potential reduce by 5.9 kB

  • Original 289.5 kB
  • After minification 288.5 kB
  • After compression 283.6 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. Ubytovani.studentagency.cz has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 101 (83%)

Requests Now

122

After Optimization

21

  • Images
  • JavaScript
  • CSS

The browser has sent 122 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ubytovani Studentagency. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 64 to 1 for JavaScripts and from 39 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

ubytovani.studentagency.cz

ubytovani.studentagency.cz

1648 ms

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17 ms

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Accessibility Review

ubytovani.studentagency.cz accessibility score

88

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-*] attributes do not have valid values

High

ARIA IDs are not unique

Best Practices

ubytovani.studentagency.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

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

ubytovani.studentagency.cz SEO score

92

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Page is blocked from indexing

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Ubytovani.studentagency.cz can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Ubytovani.studentagency.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

ubytovani.studentagency.cz

Open Graph description is not detected on the main page of Ubytovani Studentagency. 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: