Tools & Wizards About Us

Report Summary

  • 63

    Performance

    Renders faster than
    77% of other websites

  • 87

    Accessibility

    Visual factors better than
    that of 66% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 98

    SEO

    Google-friendlier than
    92% of websites

jmpost.cz

Weby, e-shopy, online marketing a servis PC a sítí - Vše na jednom místě! J.M.POST

Page Load Speed

4.4 sec in total

First Response

641 ms

Resources Loaded

3.4 sec

Page Rendered

327 ms

About Website

Visit jmpost.cz now to see the best up-to-date Jm POST content and also check out these interesting facts you probably never knew about jmpost.cz

Dodáváme prosperující internetové aplikace a služby, www, e-shopy, e-marketing, ERP, CRM

Visit jmpost.cz

Key Findings

We analyzed Jmpost.cz page load time and found that the first response time was 641 ms and then it took 3.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

jmpost.cz performance score

63

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.7 s

30/100

10%

LCP (Largest Contentful Paint)

Value5.0 s

26/100

25%

SI (Speed Index)

Value5.4 s

56/100

10%

TBT (Total Blocking Time)

Value180 ms

91/100

30%

CLS (Cumulative Layout Shift)

Value0.032

100/100

15%

TTI (Time to Interactive)

Value6.5 s

58/100

10%

Network Requests Diagram

www.jmpost.cz

641 ms

Xhtml.all.css

253 ms

Sablona.all.css

351 ms

Xhtml.js

354 ms

ACRunActiveContent.js

355 ms

Our browser made a total of 76 requests to load all elements on the main page. We found that 54% of them (41 requests) were addressed to the original Jmpost.cz, 14% (11 requests) were made to Apis.google.com and 13% (10 requests) were made to Static.xx.fbcdn.net. The less responsive or slowest element that took the longest time to load (1 sec) belongs to the original domain Jmpost.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 196.8 kB (18%)

Content Size

1.1 MB

After Optimization

873.3 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Jmpost.cz main page is 1.1 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. Images take 862.7 kB which makes up the majority of the site volume.

HTML Optimization

-70%

Potential reduce by 15.4 kB

  • Original 22.1 kB
  • After minification 21.5 kB
  • After compression 6.7 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 15.4 kB or 70% of the original size.

Image Optimization

-7%

Potential reduce by 59.4 kB

  • Original 862.7 kB
  • After minification 803.3 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. Jm POST images are well optimized though.

JavaScript Optimization

-64%

Potential reduce by 104.2 kB

  • Original 164.1 kB
  • After minification 132.7 kB
  • After compression 59.9 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 104.2 kB or 64% of the original size.

CSS Optimization

-84%

Potential reduce by 17.8 kB

  • Original 21.2 kB
  • After minification 15.7 kB
  • After compression 3.4 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. Jmpost.cz needs all CSS files to be minified and compressed as it can save up to 17.8 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 29 (40%)

Requests Now

72

After Optimization

43

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 72 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jm POST. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 24 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

jmpost.cz accessibility score

87

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.

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

<frame> or <iframe> elements do not have a title

High

Links do not have a discernible name

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

jmpost.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

SEO Factors

jmpost.cz SEO score

98

Search Engine Optimization Advices

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 Jmpost.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 Jmpost.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 Jm POST. 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: