Tools & Wizards About Us
obsceneextreme.cz screenshot

Report Summary

  • 6

    Performance

    Renders faster than
    21% of other websites

  • 71

    Accessibility

    Visual factors better than
    that of 36% of websites

  • 50

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 82

    SEO

    Google-friendlier than
    44% of websites

obsceneextreme.cz

Úvod / OEF europe

Page Load Speed

7.1 sec in total

First Response

690 ms

Resources Loaded

5.2 sec

Page Rendered

1.2 sec

obsceneextreme.cz screenshot

About Website

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

Úvod

Visit obsceneextreme.cz

Key Findings

We analyzed Obsceneextreme.cz page load time and found that the first response time was 690 ms and then it took 6.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

obsceneextreme.cz performance score

6

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value9.5 s

0/100

10%

LCP (Largest Contentful Paint)

Value17.7 s

0/100

25%

SI (Speed Index)

Value16.6 s

0/100

10%

TBT (Total Blocking Time)

Value6,070 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.293

41/100

15%

TTI (Time to Interactive)

Value47.6 s

0/100

10%

Network Requests Diagram

cs

690 ms

jquery.min.js

283 ms

bootstrap.min.js

382 ms

bootstrap.min.css

567 ms

jquery.collagePlus.js

294 ms

Our browser made a total of 151 requests to load all elements on the main page. We found that 81% of them (122 requests) were addressed to the original Obsceneextreme.cz, 7% (10 requests) were made to Jnn-pa.googleapis.com and 6% (9 requests) were made to Youtube.com. The less responsive or slowest element that took the longest time to load (2 sec) belongs to the original domain Obsceneextreme.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 2.7 MB (13%)

Content Size

20.1 MB

After Optimization

17.4 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Obsceneextreme.cz main page is 20.1 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. Only a small number of websites need less resources to load. Images take 18.8 MB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 77.9 kB

  • Original 102.6 kB
  • After minification 92.2 kB
  • After compression 24.7 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 77.9 kB or 76% of the original size.

Image Optimization

-10%

Potential reduce by 1.9 MB

  • Original 18.8 MB
  • After minification 16.9 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. Obsceneextreme images are well optimized though.

JavaScript Optimization

-58%

Potential reduce by 547.0 kB

  • Original 943.3 kB
  • After minification 910.2 kB
  • After compression 396.3 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 547.0 kB or 58% of the original size.

CSS Optimization

-64%

Potential reduce by 166.0 kB

  • Original 258.3 kB
  • After minification 242.3 kB
  • After compression 92.4 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. Obsceneextreme.cz needs all CSS files to be minified and compressed as it can save up to 166.0 kB or 64% of the original size.

Requests Breakdown

Number of requests can be reduced by 38 (26%)

Requests Now

146

After Optimization

108

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 146 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Obsceneextreme. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 28 to 1 for JavaScripts and from 12 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

cs

cs

690 ms

jquery.min.js

jquery.min.js

283 ms

bootstrap.min.js

bootstrap.min.js

382 ms

bootstrap.min.css

bootstrap.min.css

567 ms

jquery.collagePlus.js

jquery.collagePlus.js

294 ms

jquery.removeWhitespace.js

jquery.removeWhitespace.js

294 ms

jquery.collageCaption.js

jquery.collageCaption.js

295 ms

jquery.justifiedGallery.js

jquery.justifiedGallery.js

378 ms

justifiedGallery.css

justifiedGallery.css

379 ms

layout-main.css

layout-main.css

473 ms

fonts.css

fonts.css

379 ms

carousel.css

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animate.css

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586 ms

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responsive.js

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758 ms

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758 ms

style.css

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757 ms

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848 ms

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1927 ms

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13 ms

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57 ms

js

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470 ms

www-player.css

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11 ms

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31 ms

base.js

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99 ms

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576 ms

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464 ms

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211 ms

Create

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458 ms

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578 ms

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Accessibility Review

obsceneextreme.cz accessibility score

71

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-*] attributes are not valid or misspelled

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

[id] attributes on active, focusable elements are not unique

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

<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

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

Best Practices

obsceneextreme.cz best practices score

50

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

Page has valid source maps

SEO Factors

obsceneextreme.cz SEO score

82

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

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

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 Obsceneextreme.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 Obsceneextreme.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

obsceneextreme.cz

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