Tools & Wizards About Us
sramus.cz screenshot

Report Summary

  • 22

    Performance

    Renders faster than
    40% of other websites

  • 54

    Accessibility

    Visual factors better than
    that of 23% of websites

  • 42

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 46

    SEO

    Google-friendlier than
    18% of websites

sramus.cz

sramus.cz - dj světelná, zvuková a studiová technika, hudební nástroje

Page Load Speed

25.1 sec in total

First Response

393 ms

Resources Loaded

24.3 sec

Page Rendered

350 ms

sramus.cz screenshot

About Website

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

sramus.cz - Mladá Boleslav - vše pro DJ a muzikanty, osvětlovací a zvuková technika, výrobníky a párty efekty, hudebních nástroje a hudebniny, DJ karaoke hudební produkce

Visit sramus.cz

Key Findings

We analyzed Sramus.cz page load time and found that the first response time was 393 ms and then it took 24.7 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 was 1 request timeout, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

sramus.cz performance score

22

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value8.0 s

0/100

10%

LCP (Largest Contentful Paint)

Value23.9 s

0/100

25%

SI (Speed Index)

Value14.9 s

1/100

10%

TBT (Total Blocking Time)

Value1,180 ms

21/100

30%

CLS (Cumulative Layout Shift)

Value0.026

100/100

15%

TTI (Time to Interactive)

Value17.3 s

4/100

10%

Network Requests Diagram

sramus.cz

393 ms

sramus.cz

2666 ms

layout.css

95 ms

lytebox.css

191 ms

lytebox.js

470 ms

Our browser made a total of 171 requests to load all elements on the main page. We found that 77% of them (131 requests) were addressed to the original Sramus.cz, 6% (10 requests) were made to Static.xx.fbcdn.net and 3% (5 requests) were made to Facebook.com. The less responsive or slowest element that took the longest time to load (20.4 sec) relates to the external source Toplist.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 734.2 kB (28%)

Content Size

2.7 MB

After Optimization

1.9 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Sramus.cz main page is 2.7 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. 70% of websites need less resources to load. Images take 1.7 MB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 55.8 kB

  • Original 69.7 kB
  • After minification 69.1 kB
  • After compression 13.9 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 55.8 kB or 80% of the original size.

Image Optimization

-8%

Potential reduce by 140.9 kB

  • Original 1.7 MB
  • After minification 1.6 MB

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. Sramus images are well optimized though.

JavaScript Optimization

-55%

Potential reduce by 388.8 kB

  • Original 701.0 kB
  • After minification 673.6 kB
  • After compression 312.1 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 388.8 kB or 55% of the original size.

CSS Optimization

-86%

Potential reduce by 148.7 kB

  • Original 173.8 kB
  • After minification 133.4 kB
  • After compression 25.2 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. Sramus.cz needs all CSS files to be minified and compressed as it can save up to 148.7 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 52 (32%)

Requests Now

162

After Optimization

110

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 162 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sramus. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 30 to 1 for JavaScripts and from 13 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

sramus.cz

sramus.cz

393 ms

sramus.cz

sramus.cz

2666 ms

layout.css

layout.css

95 ms

lytebox.css

lytebox.css

191 ms

lytebox.js

lytebox.js

470 ms

jquery-1.8.3.min.js

jquery-1.8.3.min.js

476 ms

jquery.easing.1.3.js

jquery.easing.1.3.js

283 ms

jquery-ui-1.9.2.custom.min.js

jquery-ui-1.9.2.custom.min.js

656 ms

jquery-ui-1.9.2.custom.min.css

jquery-ui-1.9.2.custom.min.css

285 ms

autocomplete.js

autocomplete.js

300 ms

autocomplete.css

autocomplete.css

377 ms

camera.css

camera.css

378 ms

camera.min.js

camera.min.js

496 ms

jquery.mobile.customized.min.js

jquery.mobile.customized.min.js

563 ms

swfobject.js

swfobject.js

490 ms

jquery.hoverIntent.minified.js

jquery.hoverIntent.minified.js

561 ms

jquery.dcverticalmegamenu.1.3.js

jquery.dcverticalmegamenu.1.3.js

562 ms

dcverticalmegamenu3.css

dcverticalmegamenu3.css

564 ms

jquery.jcarousel.min.js

jquery.jcarousel.min.js

593 ms

jcarousel.css

jcarousel.css

701 ms

all.js

all.js

23 ms

plusone.js

plusone.js

25 ms

styl.css

styl.css

700 ms

styl_modal.css

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701 ms

all.js

all.js

10 ms

css

css

29 ms

podklad.jpg

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253 ms

all.js

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21 ms

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23 ms

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1205 ms

facebook_hp.jpg

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215 ms

adj-authorised-dealer.png

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196 ms

akai.jpg

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195 ms

akg.jpg

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196 ms

allen_heath.jpg

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193 ms

american_dj.jpg

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215 ms

cort.jpg

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214 ms

denon.jpg

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214 ms

elation.jpg

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216 ms

fender.jpg

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315 ms

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314 ms

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313 ms

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314 ms

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313 ms

korg.jpg

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315 ms

mackie.jpg

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454 ms

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452 ms

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454 ms

rcf.jpg

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452 ms

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yamaha.jpg

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451 ms

ank2.gif

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544 ms

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ank1.gif

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ESSOX_banner_eshopy_200x350px_v4.jpg

ESSOX_banner_eshopy_200x350px_v4.jpg

536 ms

mdjlogo.jpg

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543 ms

predprodejni-kontrola.jpg

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537 ms

pioneerdj-autorised.jpg

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629 ms

zbozi-logo.jpg

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629 ms

heureka-logo.jpg

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630 ms

ppl.jpg

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661 ms

ceskaposta.jpg

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664 ms

ems.jpg

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712 ms

dobirkou.jpg

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723 ms

essox.jpg

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725 ms

analytics.js

analytics.js

106 ms

dot.asp

dot.asp

20395 ms

cb=gapi.loaded_1

cb=gapi.loaded_1

52 ms

visa.jpg

visa.jpg

537 ms

master.jpg

master.jpg

536 ms

mail.gif

mail.gif

537 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4uaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4uaVc.ttf

59 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0B4uaVc.ttf

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78 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsgH1x4uaVc.ttf

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89 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1x4uaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1x4uaVc.ttf

108 ms

qrkod_m.png

qrkod_m.png

530 ms

like.php

like.php

293 ms

like_box.php

like_box.php

411 ms

like.php

like.php

380 ms

fb_logo.png

fb_logo.png

608 ms

twitter.jpg

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608 ms

pioneerdj.jpeg

pioneerdj.jpeg

610 ms

pruhpozadi3.png

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609 ms

kosik_0.png

kosik_0.png

611 ms

collect

collect

17 ms

akcni_zbozizel.png

akcni_zbozizel.png

605 ms

postmessageRelay

postmessageRelay

97 ms

collect

collect

62 ms

js

js

103 ms

developers.google.com

developers.google.com

334 ms

menu-kategorie-11.png

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602 ms

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603 ms

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602 ms

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603 ms

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607 ms

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619 ms

3604799710-postmessagerelay.js

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115 ms

rpc:shindig_random.js

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11 ms

menu-kategorie-4.png

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557 ms

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557 ms

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562 ms

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558 ms

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562 ms

cb=gapi.loaded_0

cb=gapi.loaded_0

5 ms

akcni_zbozi1.png

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571 ms

fy_wU0FBvkG.js

fy_wU0FBvkG.js

32 ms

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32 ms

akcni_zbozi2.png

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568 ms

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566 ms

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566 ms

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570 ms

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565 ms

prechod.jpg

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587 ms

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5 ms

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16 ms

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footer-email.png

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572 ms

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570 ms

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550 ms

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159 ms

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6 ms

ico_sitemap.png

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500 ms

logo.png

logo.png

516 ms

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664 ms

arrow_menu.png

arrow_menu.png

568 ms

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568 ms

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568 ms

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571 ms

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like.php

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376 ms

Accessibility Review

sramus.cz accessibility score

54

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

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

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

sramus.cz best practices score

42

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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

sramus.cz SEO score

46

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

High

Page is blocked from indexing

High

robots.txt is not valid

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

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 Sramus.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 Sramus.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

sramus.cz

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