Report Summary

  • 78

    Performance

    Renders faster than
    85% of other websites

  • 100

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

astonrent.cz

AstonRent.cz - Autopůjčovna Praha - Aston Rent Praha

Page Load Speed

1.9 sec in total

First Response

431 ms

Resources Loaded

1.3 sec

Page Rendered

223 ms

astonrent.cz screenshot

About Website

Click here to check amazing Aston Rent content. Otherwise, check out these important facts you probably never knew about astonrent.cz

Nabízíme k pronájmu levná i luxusní vozidla značek Audi, BMW, Mercedes Benz, Volkswagen, Ford, Nissan, Peugeot, Opel a Škoda. Nabízíme pronájem offroadů 4x4, kabrioletů, dodávek, minivanů a minibusů. ...

Visit astonrent.cz

Key Findings

We analyzed Astonrent.cz page load time and found that the first response time was 431 ms and then it took 1.5 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.

Performance Metrics

astonrent.cz performance score

78

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.8 s

89/100

10%

LCP (Largest Contentful Paint)

Value5.7 s

16/100

25%

SI (Speed Index)

Value2.2 s

99/100

10%

TBT (Total Blocking Time)

Value10 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.003

100/100

15%

TTI (Time to Interactive)

Value1.9 s

100/100

10%

Network Requests Diagram

astonrent.cz

431 ms

main.css

225 ms

formvalidation.js

212 ms

stringutils.js

212 ms

messages_cs.js

215 ms

Our browser made a total of 27 requests to load all elements on the main page. We found that 93% of them (25 requests) were addressed to the original Astonrent.cz, 7% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (590 ms) belongs to the original domain Astonrent.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 50.1 kB (17%)

Content Size

297.5 kB

After Optimization

247.4 kB

In fact, the total size of Astonrent.cz main page is 297.5 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. 20% of websites need less resources to load. Images take 238.2 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 17.8 kB

  • Original 22.7 kB
  • After minification 19.3 kB
  • After compression 4.9 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. This page needs HTML code to be minified as it can gain 3.4 kB, which is 15% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 17.8 kB or 78% of the original size.

Image Optimization

-7%

Potential reduce by 15.5 kB

  • Original 238.2 kB
  • After minification 222.7 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. Aston Rent images are well optimized though.

JavaScript Optimization

-34%

Potential reduce by 9.7 kB

  • Original 28.4 kB
  • After minification 24.7 kB
  • After compression 18.6 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 9.7 kB or 34% of the original size.

CSS Optimization

-85%

Potential reduce by 7.1 kB

  • Original 8.3 kB
  • After minification 6.1 kB
  • After compression 1.2 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. Astonrent.cz needs all CSS files to be minified and compressed as it can save up to 7.1 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 3 (12%)

Requests Now

26

After Optimization

23

The browser has sent 26 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Aston Rent. 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

astonrent.cz accessibility score

100

Accessibility Issues

Best Practices

astonrent.cz best practices score

67

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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

SEO Factors

astonrent.cz SEO score

77

Search Engine Optimization Advices

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 Astonrent.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 Astonrent.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 description is not detected on the main page of Aston Rent. 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: