Access black-sabath.ru. Black Sabbath - Главная страница. Новости, статьи, альбомы и рецензии. Концерты.

name

value

score

weighting

FCP (First Contentful Paint)

Value4.1 s

21/100

10%

LCP (Largest Contentful Paint)

Value4.7 s

33/100

25%

SI (Speed Index)

Value6.3 s

42/100

10%

TBT (Total Blocking Time)

Value300 ms

78/100

30%

CLS (Cumulative Layout Shift)

Value0.062

97/100

15%

TTI (Time to Interactive)

Value8.3 s

40/100

10%

black-sabath.ru

815 ms

hit;ucoznet

405 ms

945.css

477 ms

base.min.css

290 ms

layer7.min.css

294 ms

Our browser made a total of 80 requests to load all elements on the main page. We found that 88% of them (70 requests) were addressed to the original Black-sabath.ru, 5% (4 requests) were made to Counter.yadro.ru and 4% (3 requests) were made to Mc.yandex.com. The less responsive or slowest element that took the longest time to load (2 sec) belongs to the original domain Black-sabath.ru.

Content Size

945.1 kB

After Optimization

837.0 kB

In fact, the total size of Black-sabath.ru main page is 945.1 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. 30% of websites need less resources to load. Images take 738.8 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 82.8 kB

Original 100.2 kB
After minification 98.7 kB
After compression 17.4 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 82.8 kB or 83% of the original size.

Image Optimization

-3%

Potential reduce by 24.6 kB

Original 738.8 kB
After minification 714.2 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. Black Sabath images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 38 B

Original 85.7 kB
After minification 85.7 kB
After compression 85.6 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

-3%

Potential reduce by 695 B

Original 20.4 kB
After minification 20.4 kB
After compression 19.7 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. Black-sabath.ru has all CSS files already compressed.

Requests Now

After Optimization

The browser has sent 76 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Black Sabath. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

These are opportunities to improve the interpretation of your content by users in different locales.

High

<html> element does not have a [lang] attribute

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.

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

Search Engine Optimization Advices

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

High

Links are not crawlable

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

High

Image elements do not have [alt] attributes

High

Document uses plugins

Language and Encoding

Language Detected

RU
Language Claimed

N/A
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Black-sabath.ru can be misinterpreted by Google and other search engines. Our service has detected that Russian 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 Black-sabath.ru 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

black-sabath.ru

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

Report Summary

Performance

Accessibility

Best Practices

SEO

Black Sabbath - Главная страница. Новости, статьи, альбомы и рецензии. Концерты.

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

black-sabath.ru

hit;ucoznet

945.css

base.min.css

layer7.min.css

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

black-sabath.ru

hit;ucoznet

945.css

base.min.css

layer7.min.css

jquery-1.12.4.min.js

uwnd.min.js

ulightbox.min.css

ulightbox.min.js

hit;ucoz_desktop_ad

hit;ucoznet

hit;ucoz_desktop_ad

bg-new_superfon.gif

3SS.png

BlSabb.gif

krestik.jpg

NOTKA_N_1.gif

tri04.gif

fea.png

wink3.gif

media.png

extra.png

archives.png

Podsh.png

1home.png

2Biographies.png

structure.png

Black_n27124.png

albums.png

archive.png

gallery.png

Wallpaper.png

video.png

tabs.png

perevod.png

lyrics.png

Email.jpg

lign5_black.gif

Publ.png

MENUniz1.png

ligs.gif

line_razdel.png

tarja_afisha.jpg