Tools & Wizards About Us
sms.cz screenshot

Report Summary

  • 14

    Performance

    Renders faster than
    26% of other websites

  • 68

    Accessibility

    Visual factors better than
    that of 33% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

sms.cz

SMS.cz - nejen SMS ZDARMA na O2, Vodafone i T-Mobile

Page Load Speed

3.9 sec in total

First Response

677 ms

Resources Loaded

3.1 sec

Page Rendered

141 ms

sms.cz screenshot

About Website

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

?vodn? strana server SMS.cz

Visit sms.cz

Key Findings

We analyzed Sms.cz page load time and found that the first response time was 677 ms and then it took 3.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

sms.cz performance score

14

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.2 s

8/100

10%

LCP (Largest Contentful Paint)

Value5.2 s

24/100

25%

SI (Speed Index)

Value10.0 s

9/100

10%

TBT (Total Blocking Time)

Value2,610 ms

4/100

30%

CLS (Cumulative Layout Shift)

Value0.394

26/100

15%

TTI (Time to Interactive)

Value13.1 s

12/100

10%

Network Requests Diagram

www.sms.cz

677 ms

sms.css

102 ms

j_sms_20151123X.js

204 ms

adsbygoogle.js

108 ms

js

72 ms

Our browser made a total of 69 requests to load all elements on the main page. We found that 52% of them (36 requests) were addressed to the original Sms.cz, 10% (7 requests) were made to Googletagmanager.com and 7% (5 requests) were made to Pagead2.googlesyndication.com. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Sms.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 80.3 kB (14%)

Content Size

556.3 kB

After Optimization

476.1 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Sms.cz main page is 556.3 kB. 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. Javascripts take 405.1 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 70.4 kB

  • Original 91.1 kB
  • After minification 88.8 kB
  • After compression 20.7 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 70.4 kB or 77% of the original size.

Image Optimization

-3%

Potential reduce by 1.6 kB

  • Original 45.3 kB
  • After minification 43.8 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. SMS images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 5.3 kB

  • Original 405.1 kB
  • After minification 405.1 kB
  • After compression 399.7 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

-20%

Potential reduce by 3.0 kB

  • Original 14.8 kB
  • After minification 14.8 kB
  • After compression 11.8 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. Sms.cz needs all CSS files to be minified and compressed as it can save up to 3.0 kB or 20% of the original size.

Requests Breakdown

Number of requests can be reduced by 37 (54%)

Requests Now

68

After Optimization

31

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 68 CSS, Javascripts, AJAX and image requests in order to completely render the main page of SMS. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 22 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

www.sms.cz

www.sms.cz

677 ms

sms.css

sms.css

102 ms

j_sms_20151123X.js

j_sms_20151123X.js

204 ms

adsbygoogle.js

adsbygoogle.js

108 ms

js

js

72 ms

jquery.min.js

jquery.min.js

27 ms

portal.js

portal.js

372 ms

bublina.js

bublina.js

734 ms

dragdrop.js

dragdrop.js

735 ms

style.css

style.css

736 ms

niftycube.js

niftycube.js

733 ms

sdk.js

sdk.js

160 ms

skoro-zatazeno.gif

skoro-zatazeno.gif

1022 ms

Lep__.TV_MAX_gif.gif

Lep__.TV_MAX_gif.gif

1205 ms

P_boxik_sbalit.gif

P_boxik_sbalit.gif

510 ms

P_boxik_zrusit.gif

P_boxik_zrusit.gif

661 ms

o2_.png

o2_.png

664 ms

tmobile_.png

tmobile_.png

661 ms

vodafone_.png

vodafone_.png

662 ms

P_boxik_zmenit.gif

P_boxik_zmenit.gif

664 ms

hry-21314.jpg

hry-21314.jpg

852 ms

hry-21313.jpg

hry-21313.jpg

851 ms

stir.gif

stir.gif

850 ms

P_boxik_obnovit.gif

P_boxik_obnovit.gif

851 ms

logo_email.png

logo_email.png

850 ms

logo_horoskopy.png

logo_horoskopy.png

911 ms

logo_srandicky.png

logo_srandicky.png

911 ms

logo_studentka.png

logo_studentka.png

911 ms

logo_nejhry.png

logo_nejhry.png

909 ms

logo_365dni.png

logo_365dni.png

911 ms

logo_tvp.png

logo_tvp.png

1020 ms

hledani_google2.gif

hledani_google2.gif

1019 ms

logohlavni_sms.png

logohlavni_sms.png

1020 ms

logo_paticka.png

logo_paticka.png

1019 ms

vlajka_cz.gif

vlajka_cz.gif

1015 ms

vlajka_sk_gr.gif

vlajka_sk_gr.gif

1078 ms

vlajka_en_gr.gif

vlajka_en_gr.gif

1080 ms

vzhled_vlastni.gif

vzhled_vlastni.gif

1078 ms

prehanky-dest-oblacno.gif

prehanky-dest-oblacno.gif

1015 ms

show_ads_impl.js

show_ads_impl.js

440 ms

js

js

220 ms

analytics.js

analytics.js

54 ms

js

js

214 ms

js

js

55 ms

js

js

56 ms

sdk.js

sdk.js

9 ms

466 ms

collect

collect

432 ms

js

js

389 ms

collect

collect

456 ms

collect

collect

395 ms

js

js

270 ms

collect

collect

345 ms

zrt_lookup.html

zrt_lookup.html

247 ms

ads

ads

711 ms

collect

collect

216 ms

collect

collect

168 ms

select.gif

select.gif

220 ms

like.php

like.php

84 ms

syD5r58azVO.js

syD5r58azVO.js

34 ms

FEppCFCt76d.png

FEppCFCt76d.png

29 ms

styl_tisk.css

styl_tisk.css

102 ms

sodar

sodar

72 ms

niftyCorners.css

niftyCorners.css

102 ms

reactive_library.js

reactive_library.js

176 ms

sodar2.js

sodar2.js

21 ms

runner.html

runner.html

11 ms

aframe

aframe

43 ms

feg8rL66UTsTrrlS9w_iUH8JqR_kCfLFdi2W6wljJCU.js

feg8rL66UTsTrrlS9w_iUH8JqR_kCfLFdi2W6wljJCU.js

4 ms

Accessibility Review

sms.cz accessibility score

68

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

sms.cz best practices score

58

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Requests the geolocation permission on page load

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

High

Page has valid source maps

SEO Factors

sms.cz SEO score

85

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

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

Language and Encoding

  • Language Detected

    CS

  • Language Claimed

    CS

  • Encoding

    WINDOWS-1250

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sms.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 Sms.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

sms.cz

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