Tools & Wizards About Us
sewer.techno.cz screenshot

Report Summary

  • 34

    Performance

    Renders faster than
    54% of other websites

  • 83

    Accessibility

    Visual factors better than
    that of 54% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

sewer.techno.cz

Novinky na české taneční scéně / News at czech dance music scene | techno.cz (party, fotky, house, trance, techno)

Page Load Speed

4.5 sec in total

First Response

588 ms

Resources Loaded

3.7 sec

Page Rendered

206 ms

sewer.techno.cz screenshot

About Website

Click here to check amazing Sewer Techno content for Czech Republic. Otherwise, check out these important facts you probably never knew about sewer.techno.cz

Hudební server zaměřený na taneční hudbu (techno, trance, dnb, house, dubstep), party a festivaly. Fotky, fotoreporty a reportáže z akcí.

Visit sewer.techno.cz

Key Findings

We analyzed Sewer.techno.cz page load time and found that the first response time was 588 ms and then it took 3.9 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

sewer.techno.cz performance score

34

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.9 s

86/100

10%

LCP (Largest Contentful Paint)

Value10.5 s

0/100

25%

SI (Speed Index)

Value7.1 s

32/100

10%

TBT (Total Blocking Time)

Value1,480 ms

14/100

30%

CLS (Cumulative Layout Shift)

Value0.002

100/100

15%

TTI (Time to Interactive)

Value10.2 s

25/100

10%

Network Requests Diagram

sewer.techno.cz

588 ms

g=homepage_css&debug

141 ms

g=homepage_js&debug

469 ms

google_service.js

6 ms

body-image.jpg

583 ms

Our browser made a total of 62 requests to load all elements on the main page. We found that 10% of them (6 requests) were addressed to the original Sewer.techno.cz, 52% (32 requests) were made to Static.techno.cz and 10% (6 requests) were made to Apis.google.com. The less responsive or slowest element that took the longest time to load (2.6 sec) relates to the external source Static.techno.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 51.9 kB (9%)

Content Size

561.6 kB

After Optimization

509.7 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Sewer.techno.cz main page is 561.6 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. 40% of websites need less resources to load. Javascripts take 306.2 kB which makes up the majority of the site volume.

HTML Optimization

-72%

Potential reduce by 32.9 kB

  • Original 45.5 kB
  • After minification 45.1 kB
  • After compression 12.5 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 32.9 kB or 72% of the original size.

Image Optimization

-5%

Potential reduce by 9.5 kB

  • Original 209.9 kB
  • After minification 200.4 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. Sewer Techno images are well optimized though.

JavaScript Optimization

-3%

Potential reduce by 9.4 kB

  • Original 306.2 kB
  • After minification 306.1 kB
  • After compression 296.7 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.

Requests Breakdown

Number of requests can be reduced by 25 (44%)

Requests Now

57

After Optimization

32

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 57 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sewer Techno. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

sewer.techno.cz

sewer.techno.cz

588 ms

g=homepage_css&debug

g=homepage_css&debug

141 ms

g=homepage_js&debug

g=homepage_js&debug

469 ms

google_service.js

google_service.js

6 ms

body-image.jpg

body-image.jpg

583 ms

logo.png

logo.png

1124 ms

nzp-podcastv2.png

nzp-podcastv2.png

278 ms

ikona-menu.gif

ikona-menu.gif

584 ms

close.gif

close.gif

1601 ms

0508the_outside_agency_-_press_pic_(1)_(1)_(1)-wide.jpg

0508the_outside_agency_-_press_pic_(1)_(1)_(1)-wide.jpg

2607 ms

0222image_(11)_(1)-wide.jpg

0222image_(11)_(1)-wide.jpg

453 ms

0115img_4844_(1)_(1)-wide.jpg

0115img_4844_(1)_(1)-wide.jpg

516 ms

0516stroon-tectoniflifting_cover_1200px_(2)-ico.jpg

0516stroon-tectoniflifting_cover_1200px_(2)-ico.jpg

570 ms

0515blazer_(2)-ico.jpg

0515blazer_(2)-ico.jpg

665 ms

0514square_(1)_(1)-ico.jpg

0514square_(1)_(1)-ico.jpg

674 ms

0701277525395_5355107824521531_3453125328707700934_n_(1)-square.jpg

0701277525395_5355107824521531_3453125328707700934_n_(1)-square.jpg

677 ms

083117103618_10154110486772693_6982672000710456319_n-square.jpg

083117103618_10154110486772693_6982672000710456319_n-square.jpg

773 ms

paginate-dalsi.jpg

paginate-dalsi.jpg

774 ms

line-anketa.gif

line-anketa.gif

773 ms

close.gif

close.gif

131 ms

webarchiv_certifikat_cb.gif

webarchiv_certifikat_cb.gif

132 ms

ga.js

ga.js

31 ms

plusone.js

plusone.js

56 ms

ikona-home.png

ikona-home.png

939 ms

line-separator.gif

line-separator.gif

939 ms

line-menu.gif

line-menu.gif

939 ms

line-submenu.gif

line-submenu.gif

942 ms

line-prefer.gif

line-prefer.gif

941 ms

line-fast.gif

line-fast.gif

940 ms

line-navigation.gif

line-navigation.gif

1022 ms

line-separator-small.gif

line-separator-small.gif

1022 ms

line-navigation-left.gif

line-navigation-left.gif

1024 ms

dart-left.gif

dart-left.gif

1116 ms

dart-right.gif

dart-right.gif

1116 ms

content-image.jpg

content-image.jpg

1129 ms

ikona-promo.png

ikona-promo.png

1173 ms

ikona-advertise.gif

ikona-advertise.gif

1207 ms

__utm.gif

__utm.gif

20 ms

ikona-facebook.gif

ikona-facebook.gif

1183 ms

ikona-twitter.gif

ikona-twitter.gif

1195 ms

XFBML

XFBML

16 ms

cb=gapi.loaded_0

cb=gapi.loaded_0

9 ms

cb=gapi.loaded_1

cb=gapi.loaded_1

51 ms

badge

badge

61 ms

footer-image.jpg

footer-image.jpg

1233 ms

gpt.js

gpt.js

214 ms

postmessageRelay

postmessageRelay

42 ms

3604799710-postmessagerelay.js

3604799710-postmessagerelay.js

26 ms

rpc:shindig_random.js

rpc:shindig_random.js

8 ms

developers.google.com

developers.google.com

776 ms

cb=gapi.loaded_0

cb=gapi.loaded_0

4 ms

pubads_impl.js

pubads_impl.js

23 ms

ads

ads

230 ms

container.html

container.html

24 ms

14617676132765253707

14617676132765253707

44 ms

icon.png

icon.png

247 ms

abg_lite.js

abg_lite.js

46 ms

window_focus.js

window_focus.js

53 ms

ufs_web_display.js

ufs_web_display.js

54 ms

8123135041132116272

8123135041132116272

183 ms

activeview

activeview

62 ms

activeview

activeview

65 ms

Accessibility Review

sewer.techno.cz accessibility score

83

Accessibility Issues

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

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

sewer.techno.cz best practices score

58

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

sewer.techno.cz SEO score

69

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

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 Sewer.techno.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 Sewer.techno.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

sewer.techno.cz

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