Tools & Wizards About Us
sferatv.pl screenshot

Report Summary

  • 8

    Performance

    Renders faster than
    22% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 61% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 84

    SEO

    Google-friendlier than
    52% of websites

sferatv.pl

Aktualności

Page Load Speed

13.2 sec in total

First Response

4 sec

Resources Loaded

9 sec

Page Rendered

226 ms

sferatv.pl screenshot

About Website

Click here to check amazing Sferatv content for Poland. Otherwise, check out these important facts you probably never knew about sferatv.pl

SFERA TV to niezależny producent wielu programów telewizyjnych m.in. reportaży, serwisów informacyjnych, materiałów, interwencyjnych, magazynów tematy...

Visit sferatv.pl

Key Findings

We analyzed Sferatv.pl page load time and found that the first response time was 4 sec and then it took 9.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

sferatv.pl performance score

8

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value10.0 s

0/100

10%

LCP (Largest Contentful Paint)

Value11.1 s

0/100

25%

SI (Speed Index)

Value17.2 s

0/100

10%

TBT (Total Blocking Time)

Value1,440 ms

15/100

30%

CLS (Cumulative Layout Shift)

Value0.479

18/100

15%

TTI (Time to Interactive)

Value15.1 s

7/100

10%

Network Requests Diagram

sferatv.pl

3968 ms

jquery-ui.css

32 ms

modal.css

109 ms

bootstrap.css

220 ms

bootstrap_responsive.css

325 ms

Our browser made a total of 112 requests to load all elements on the main page. We found that 84% of them (94 requests) were addressed to the original Sferatv.pl, 4% (5 requests) were made to Fonts.gstatic.com and 3% (3 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (4 sec) belongs to the original domain Sferatv.pl.

Page Optimization Overview & Recommendations

Page size can be reduced by 191.0 kB (10%)

Content Size

2.0 MB

After Optimization

1.8 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Sferatv.pl main page is 2.0 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. 55% of websites need less resources to load. Images take 1.3 MB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 84.2 kB

  • Original 97.9 kB
  • After minification 72.5 kB
  • After compression 13.7 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. This page needs HTML code to be minified as it can gain 25.5 kB, which is 26% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 84.2 kB or 86% of the original size.

Image Optimization

-7%

Potential reduce by 88.9 kB

  • Original 1.3 MB
  • After minification 1.2 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. Sferatv images are well optimized though.

JavaScript Optimization

-3%

Potential reduce by 13.5 kB

  • Original 507.7 kB
  • After minification 507.7 kB
  • After compression 494.2 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

-8%

Potential reduce by 4.5 kB

  • Original 55.0 kB
  • After minification 54.7 kB
  • After compression 50.6 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. Sferatv.pl has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 50 (48%)

Requests Now

105

After Optimization

55

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 105 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sferatv. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 26 to 1 for JavaScripts and from 26 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

sferatv.pl

sferatv.pl

3968 ms

jquery-ui.css

jquery-ui.css

32 ms

modal.css

modal.css

109 ms

bootstrap.css

bootstrap.css

220 ms

bootstrap_responsive.css

bootstrap_responsive.css

325 ms

template.css

template.css

330 ms

extensions.css

extensions.css

326 ms

animated-buttons.css

animated-buttons.css

328 ms

style1.css

style1.css

337 ms

template_responsive.css

template_responsive.css

338 ms

custom.css

custom.css

431 ms

css

css

43 ms

css

css

60 ms

css

css

64 ms

custom_css_6eba3a1d2aceab471615eb9253498d6c.css

custom_css_6eba3a1d2aceab471615eb9253498d6c.css

431 ms

style.css

style.css

432 ms

owl-carousel.css

owl-carousel.css

433 ms

owl-theme.css

owl-theme.css

445 ms

style.css

style.css

446 ms

style.css

style.css

537 ms

style.css

style.css

537 ms

tabber_850b8f04ee6beee1581c579cc5c9d425.css

tabber_850b8f04ee6beee1581c579cc5c9d425.css

537 ms

template.css

template.css

540 ms

djmegamenu.css

djmegamenu.css

555 ms

animations.css

animations.css

555 ms

animate.min.css

animate.min.css

644 ms

animate.ext.css

animate.ext.css

643 ms

jquery.min.js

jquery.min.js

758 ms

jquery-noconflict.js

jquery-noconflict.js

648 ms

jquery-ui.min.js

jquery-ui.min.js

29 ms

mootools-core.js

mootools-core.js

792 ms

core.js

core.js

664 ms

mootools-more.js

mootools-more.js

977 ms

modal.js

modal.js

751 ms

jquery-migrate.min.js

jquery-migrate.min.js

753 ms

bootstrap.min.js

bootstrap.min.js

790 ms

k2.frontend.js

k2.frontend.js

858 ms

styleswitcher.js

styleswitcher.js

859 ms

scripts.js

scripts.js

864 ms

script.js

script.js

886 ms

owl-carousel-js.js

owl-carousel-js.js

892 ms

js

js

64 ms

adsbygoogle.js

adsbygoogle.js

116 ms

jquery.cookie.js

jquery.cookie.js

962 ms

jquery.accordion.js

jquery.accordion.js

866 ms

powertools-1.2.0.js

powertools-1.2.0.js

788 ms

slideshow.js

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689 ms

tabber.js

tabber.js

689 ms

behaviour.js

behaviour.js

751 ms

jquery.djselect.js

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748 ms

jquery.djmegamenu.js

jquery.djmegamenu.js

752 ms

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200 ms

social.png

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200 ms

logo_www.png

logo_www.png

200 ms

djmega_arrow_drop.png

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200 ms

sferatv.pl

sferatv.pl

3494 ms

ogladajonline.png

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201 ms

naszeprogramy.png

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251 ms

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250 ms

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249 ms

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250 ms

pause.png

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249 ms

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356 ms

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366 ms

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358 ms

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364 ms

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363 ms

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495 ms

dj-tab-indicator-left.png

dj-tab-indicator-left.png

811 ms

ajax-loader.gif

ajax-loader.gif

605 ms

dzieje_sie.png

dzieje_sie.png

903 ms

Nie_tylko_espresso.png

Nie_tylko_espresso.png

1114 ms

warto_wiedziec.jpg

warto_wiedziec.jpg

1018 ms

zoomTV.JPG

zoomTV.JPG

883 ms

EKOWIESCI.png

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967 ms

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1046 ms

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1056 ms

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1227 ms

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1213 ms

video_small.png

video_small.png

1172 ms

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1319 ms

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1362 ms

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1296 ms

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1340 ms

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1466 ms

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1538 ms

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1405 ms

js

js

25 ms

analytics.js

analytics.js

140 ms

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142 ms

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143 ms

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182 ms

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192 ms

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193 ms

show_ads_impl.js

show_ads_impl.js

379 ms

Ekowieci.png

Ekowieci.png

1483 ms

kompleksowa_obsuga_transmisji.jpg

kompleksowa_obsuga_transmisji.jpg

1300 ms

REKLAMA_bookbook.jpg

REKLAMA_bookbook.jpg

1372 ms

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1517 ms

novasystem.jpg

novasystem.jpg

1414 ms

collect

collect

30 ms

module-title-bg.png

module-title-bg.png

1421 ms

video-play.png

video-play.png

1506 ms

backtotop.png

backtotop.png

1476 ms

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1633 ms

tab-arrow.png

tab-arrow.png

1564 ms

zrt_lookup.html

zrt_lookup.html

50 ms

ads

ads

188 ms

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djmega_arrow.png

1249 ms

li.png

li.png

1405 ms

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closebox.png

1384 ms

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140 ms

Accessibility Review

sferatv.pl 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.

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

<dl>'s do not contain only properly-ordered <dt> and <dd> groups, <script>, <template> or <div> elements.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

sferatv.pl 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

sferatv.pl SEO score

84

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

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    PL

  • Language Claimed

    PL

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sferatv.pl can be misinterpreted by Google and other search engines. Our service has detected that Polish is used on the page, and it matches the claimed language. Our system also found out that Sferatv.pl 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

sferatv.pl

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