Tools & Wizards About Us

Report Summary

  • 18

    Performance

    Renders faster than
    34% of other websites

  • 0

    Accessibility

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 0

    SEO

insportlinetrener.cz

Recenze nejlepších běžeckých pásů 2023 | Test & Jak vybrat | Arecenze

Page Load Speed

7 sec in total

First Response

308 ms

Resources Loaded

2.3 sec

Page Rendered

4.4 sec

About Website

Welcome to insportlinetrener.cz homepage info - get ready to check Insportlinetrener best content right away, or after learning these important things about insportlinetrener.cz

Naše redakce osobně srovnala běžecké pásy ✓ Jaký je nejlepší? ✓ Který je vítěz testu? ✓ Jak běžecký pás vybrat? Recenze ZDE.

Visit insportlinetrener.cz

Key Findings

We analyzed Insportlinetrener.cz page load time and found that the first response time was 308 ms and then it took 6.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

insportlinetrener.cz performance score

18

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.4 s

2/100

10%

LCP (Largest Contentful Paint)

Value6.4 s

10/100

25%

SI (Speed Index)

Value24.9 s

0/100

10%

TBT (Total Blocking Time)

Value44,710 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value58.6 s

0/100

10%

Network Requests Diagram

insportlinetrener.cz

308 ms

773 ms

crs_style.css

299 ms

my_reset.css

295 ms

style.css

482 ms

Our browser made a total of 40 requests to load all elements on the main page. We found that 3% of them (1 request) were addressed to the original Insportlinetrener.cz, 68% (27 requests) were made to Arecenze.cz and 5% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (773 ms) relates to the external source Arecenze.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.2 MB (65%)

Content Size

1.8 MB

After Optimization

631.8 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Insportlinetrener.cz main page is 1.8 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. 65% of websites need less resources to load. HTML takes 1.0 MB which makes up the majority of the site volume.

HTML Optimization

-90%

Potential reduce by 911.0 kB

  • Original 1.0 MB
  • After minification 914.3 kB
  • After compression 103.6 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 911.0 kB or 90% of the original size.

Image Optimization

-4%

Potential reduce by 3.3 kB

  • Original 77.2 kB
  • After minification 73.8 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. Insportlinetrener images are well optimized though.

JavaScript Optimization

-42%

Potential reduce by 254.5 kB

  • Original 603.1 kB
  • After minification 600.7 kB
  • After compression 348.6 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 254.5 kB or 42% of the original size.

CSS Optimization

-1%

Potential reduce by 1.3 kB

  • Original 107.0 kB
  • After minification 106.8 kB
  • After compression 105.8 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. Insportlinetrener.cz has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 25 (74%)

Requests Now

34

After Optimization

9

  • Images
  • JavaScript
  • CSS

The browser has sent 34 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Insportlinetrener. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 21 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Best Practices

insportlinetrener.cz best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

insportlinetrener.cz SEO score

0

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 Insportlinetrener.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 Insportlinetrener.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 data is detected on the main page of Insportlinetrener. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: