Tools & Wizards About Us

Report Summary

  • 33

    Performance

    Renders faster than
    53% of other websites

  • 93

    Accessibility

    Visual factors better than
    that of 80% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 96

    SEO

    Google-friendlier than
    90% of websites

smszdarma.cz

SMS ZDARMA - Poslat SMS ZDARMA do všech sítí

Page Load Speed

21.4 sec in total

First Response

352 ms

Resources Loaded

20.9 sec

Page Rendered

197 ms

About Website

Visit smszdarma.cz now to see the best up-to-date SMS ZDARMA content for Czech Republic and also check out these interesting facts you probably never knew about smszdarma.cz

SMS ZDARMA.cz - Poslat SMS ZDARMA do všech sítí. Vlastní adresář čísel. Snadné, pohodlné, jednoduché. SMS zdarma na O2, SMS zdarma na T-Mobile, SMS zdarma na Vodafone.

Visit smszdarma.cz

Key Findings

We analyzed Smszdarma.cz page load time and found that the first response time was 352 ms and then it took 21.1 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster. Unfortunately, there were 2 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

smszdarma.cz performance score

33

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.2 s

44/100

10%

LCP (Largest Contentful Paint)

Value4.2 s

43/100

25%

SI (Speed Index)

Value8.7 s

17/100

10%

TBT (Total Blocking Time)

Value2,760 ms

3/100

30%

CLS (Cumulative Layout Shift)

Value0.002

100/100

15%

TTI (Time to Interactive)

Value16.1 s

6/100

10%

Network Requests Diagram

smszdarma.cz

352 ms

www.smszdarma.cz

520 ms

bootstrap.min.css

112 ms

icons.css

217 ms

template.css

320 ms

Our browser made a total of 88 requests to load all elements on the main page. We found that 20% of them (18 requests) were addressed to the original Smszdarma.cz, 11% (10 requests) were made to Cm.g.doubleclick.net and 11% (10 requests) were made to Tpc.googlesyndication.com. The less responsive or slowest element that took the longest time to load (19.6 sec) relates to the external source Toplist.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 423.2 kB (37%)

Content Size

1.1 MB

After Optimization

706.2 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Smszdarma.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. 60% of websites need less resources to load. Javascripts take 560.8 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 49.2 kB

  • Original 61.8 kB
  • After minification 58.9 kB
  • After compression 12.6 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 49.2 kB or 80% of the original size.

Image Optimization

-67%

Potential reduce by 320.6 kB

  • Original 481.6 kB
  • After minification 161.0 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, SMS ZDARMA needs image optimization as it can save up to 320.6 kB or 67% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-9%

Potential reduce by 52.4 kB

  • Original 560.8 kB
  • After minification 560.8 kB
  • After compression 508.4 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. This website has mostly compressed JavaScripts.

CSS Optimization

-4%

Potential reduce by 1.0 kB

  • Original 25.2 kB
  • After minification 25.2 kB
  • After compression 24.2 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. Smszdarma.cz has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 47 (66%)

Requests Now

71

After Optimization

24

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 71 CSS, Javascripts, AJAX and image requests in order to completely render the main page of SMS ZDARMA. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 23 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

smszdarma.cz accessibility score

93

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

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

Links do not have a discernible name

Best Practices

smszdarma.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

High

Page has valid source maps

SEO Factors

smszdarma.cz SEO score

96

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

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Smszdarma.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 Smszdarma.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 SMS ZDARMA. 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: