Report Summary

  • 100

    Performance

    Renders faster than
    97% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 61% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 75

    SEO

    Google-friendlier than
    32% of websites

sevtmail.cz

Tiskopisy, u?ebnice, ?koln? a v?tvarn? pot?eby, spole?ensk? hry | SEVT

Page Load Speed

2.8 sec in total

First Response

440 ms

Resources Loaded

2.2 sec

Page Rendered

194 ms

About Website

Click here to check amazing SEVT Mail content. Otherwise, check out these important facts you probably never knew about sevtmail.cz

SEVT mail ? kompletace, balen?, personifikace, rozes?l?n? z?silek, datab?zov? slu?by

Visit sevtmail.cz

Key Findings

We analyzed Sevtmail.cz page load time and found that the first response time was 440 ms and then it took 2.4 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

sevtmail.cz performance score

100

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value0.8 s

100/100

10%

LCP (Largest Contentful Paint)

Value0.8 s

100/100

25%

SI (Speed Index)

Value1.4 s

100/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.008

100/100

15%

TTI (Time to Interactive)

Value0.8 s

100/100

10%

Network Requests Diagram

sevtmail.cz

440 ms

styl.css

222 ms

pozadi.jpg

448 ms

1541 ms

Our browser made a total of 4 requests to load all elements on the main page. We found that 75% of them (3 requests) were addressed to the original Sevtmail.cz, 25% (1 request) were made to Sevt.cz. The less responsive or slowest element that took the longest time to load (1.5 sec) relates to the external source Sevt.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 14.4 kB (19%)

Content Size

73.9 kB

After Optimization

59.5 kB

In fact, the total size of Sevtmail.cz main page is 73.9 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only a small number of websites need less resources to load. Images take 64.0 kB which makes up the majority of the site volume.

HTML Optimization

-57%

Potential reduce by 4.7 kB

  • Original 8.3 kB
  • After minification 8.0 kB
  • After compression 3.6 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 4.7 kB or 57% of the original size.

Image Optimization

-13%

Potential reduce by 8.6 kB

  • Original 64.0 kB
  • After minification 55.4 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. Obviously, SEVT Mail needs image optimization as it can save up to 8.6 kB or 13% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

CSS Optimization

-67%

Potential reduce by 1.1 kB

  • Original 1.7 kB
  • After minification 1.3 kB
  • After compression 553 B

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. Sevtmail.cz needs all CSS files to be minified and compressed as it can save up to 1.1 kB or 67% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

2

After Optimization

2

The browser has sent 2 CSS, Javascripts, AJAX and image requests in order to completely render the main page of SEVT Mail. According to our analytics all requests are already optimized.

Accessibility Review

sevtmail.cz accessibility score

86

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.

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

Best Practices

sevtmail.cz best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

High

Browser errors were logged to the console

SEO Factors

sevtmail.cz SEO score

75

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    CS

  • Language Claimed

    N/A

  • Encoding

    WINDOWS-1250

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sevtmail.cz can be misinterpreted by Google and other search engines. Our service has detected that Czech is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Sevtmail.cz main page’s claimed encoding is windows-1250. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

Open Graph description is not detected on the main page of SEVT Mail. 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: