Report Summary

  • 11

    Performance

    Renders faster than
    24% of other websites

  • 97

    Accessibility

    Visual factors better than
    that of 92% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

profistroje.cz

Stroje a technika pro profesionální nasazení | PROFISTROJE.CZ

Page Load Speed

8.1 sec in total

First Response

326 ms

Resources Loaded

7.2 sec

Page Rendered

564 ms

profistroje.cz screenshot

About Website

Click here to check amazing PROFISTROJE content for Czech Republic. Otherwise, check out these important facts you probably never knew about profistroje.cz

Stroje a technika pro profesionální nasazení. Největší internetová databáze profesionální techniky v České republice.

Visit profistroje.cz

Key Findings

We analyzed Profistroje.cz page load time and found that the first response time was 326 ms and then it took 7.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

profistroje.cz performance score

11

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value7.0 s

1/100

10%

LCP (Largest Contentful Paint)

Value21.5 s

0/100

25%

SI (Speed Index)

Value10.5 s

7/100

10%

TBT (Total Blocking Time)

Value1,330 ms

17/100

30%

CLS (Cumulative Layout Shift)

Value0.436

21/100

15%

TTI (Time to Interactive)

Value10.7 s

22/100

10%

Network Requests Diagram

profistroje.cz

326 ms

www.profistroje.cz

772 ms

screen.css

156 ms

format.css

279 ms

js

91 ms

Our browser made a total of 72 requests to load all elements on the main page. We found that 64% of them (46 requests) were addressed to the original Profistroje.cz, 14% (10 requests) were made to Static.xx.fbcdn.net and 7% (5 requests) were made to Maps.googleapis.com. The less responsive or slowest element that took the longest time to load (3.9 sec) belongs to the original domain Profistroje.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 793.3 kB (32%)

Content Size

2.5 MB

After Optimization

1.7 MB

In fact, the total size of Profistroje.cz main page is 2.5 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. 60% of websites need less resources to load. Images take 1.8 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 46.6 kB

  • Original 56.8 kB
  • After minification 35.3 kB
  • After compression 10.2 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. This page needs HTML code to be minified as it can gain 21.5 kB, which is 38% 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 46.6 kB or 82% of the original size.

Image Optimization

-15%

Potential reduce by 273.8 kB

  • Original 1.8 MB
  • After minification 1.5 MB

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. Obviously, PROFISTROJE needs image optimization as it can save up to 273.8 kB or 15% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-67%

Potential reduce by 389.6 kB

  • Original 583.8 kB
  • After minification 573.8 kB
  • After compression 194.1 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 389.6 kB or 67% of the original size.

CSS Optimization

-86%

Potential reduce by 83.2 kB

  • Original 96.5 kB
  • After minification 81.0 kB
  • After compression 13.2 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. Profistroje.cz needs all CSS files to be minified and compressed as it can save up to 83.2 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 22 (33%)

Requests Now

67

After Optimization

45

The browser has sent 67 CSS, Javascripts, AJAX and image requests in order to completely render the main page of PROFISTROJE. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 19 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

profistroje.cz accessibility score

97

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.

Best Practices

profistroje.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

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

SEO Factors

profistroje.cz SEO score

90

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

High

Tap targets are not sized appropriately

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 Profistroje.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 Profistroje.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 PROFISTROJE. 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: