Tools & Wizards About Us
12ballov.net screenshot

Report Summary

  • 50

    Performance

    Renders faster than
    68% of other websites

  • 60

    Accessibility

    Visual factors better than
    that of 26% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

12ballov.net

Pешебник онлайн | ГДЗ - готовые домашние задания для учеников 1-11 классов

Page Load Speed

2.3 sec in total

First Response

304 ms

Resources Loaded

1.6 sec

Page Rendered

358 ms

12ballov.net screenshot

About Website

Welcome to 12ballov.net homepage info - get ready to check 12 Ballov best content for Ukraine right away, or after learning these important things about 12ballov.net

Решебник онлайн - Готовые домашние задания для учеников 1-11 классов по предметам Математика, Алгебра, Геометрия, Химия, Физика и др

Visit 12ballov.net

Key Findings

We analyzed 12ballov.net page load time and found that the first response time was 304 ms and then it took 2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

12ballov.net performance score

50

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.8 s

88/100

10%

LCP (Largest Contentful Paint)

Value4.7 s

32/100

25%

SI (Speed Index)

Value3.1 s

93/100

10%

TBT (Total Blocking Time)

Value530 ms

55/100

30%

CLS (Cumulative Layout Shift)

Value0.624

10/100

15%

TTI (Time to Interactive)

Value6.2 s

62/100

10%

Network Requests Diagram

12ballov.net

304 ms

index.php

182 ms

styles.css

153 ms

engine.css

161 ms

adsbygoogle.js

174 ms

Our browser made a total of 45 requests to load all elements on the main page. We found that 87% of them (39 requests) were addressed to the original 12ballov.net, 7% (3 requests) were made to Counter.yadro.ru and 2% (1 request) were made to Pagead2.googlesyndication.com. The less responsive or slowest element that took the longest time to load (541 ms) relates to the external source Counter.yadro.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 191.0 kB (40%)

Content Size

477.0 kB

After Optimization

286.1 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of 12ballov.net main page is 477.0 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. 25% of websites need less resources to load. Images take 268.9 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 41.9 kB

  • Original 51.8 kB
  • After minification 46.5 kB
  • After compression 9.9 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 41.9 kB or 81% of the original size.

Image Optimization

-36%

Potential reduce by 96.5 kB

  • Original 268.9 kB
  • After minification 172.4 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. Obviously, 12 Ballov needs image optimization as it can save up to 96.5 kB or 36% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-35%

Potential reduce by 52.5 kB

  • Original 148.8 kB
  • After minification 148.7 kB
  • After compression 96.2 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 52.5 kB or 35% of the original size.

CSS Optimization

-1%

Potential reduce by 46 B

  • Original 7.6 kB
  • After minification 7.6 kB
  • After compression 7.5 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. 12ballov.net has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 13 (31%)

Requests Now

42

After Optimization

29

  • Images
  • JavaScript
  • CSS

The browser has sent 42 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 12 Ballov. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

12ballov.net

12ballov.net

304 ms

index.php

index.php

182 ms

styles.css

styles.css

153 ms

engine.css

engine.css

161 ms

adsbygoogle.js

adsbygoogle.js

174 ms

libs.js

libs.js

159 ms

jquery.jcarousel.min.js

jquery.jcarousel.min.js

162 ms

jquery.lwtCountdown-0.9.5.js

jquery.lwtCountdown-0.9.5.js

166 ms

mobile.js

mobile.js

287 ms

embed.js

embed.js

15 ms

hit

hit

402 ms

hit

hit

406 ms

bg1.jpg

bg1.jpg

154 ms

ris.png

ris.png

230 ms

logo.png

logo.png

153 ms

search_icon.png

search_icon.png

155 ms

soc_bg.png

soc_bg.png

153 ms

soc_li_bg.png

soc_li_bg.png

154 ms

menu_a.png

menu_a.png

159 ms

menu_glow.png

menu_glow.png

161 ms

ic1.png

ic1.png

160 ms

menu_str.png

menu_str.png

166 ms

ic2.png

ic2.png

167 ms

dash.png

dash.png

237 ms

smile.png

smile.png

239 ms

books.gif

books.gif

240 ms

1473770323_matematika-2.jpg

1473770323_matematika-2.jpg

249 ms

1473706815_angliyskiy.jpg

1473706815_angliyskiy.jpg

251 ms

1476978057_matematika.jpg

1476978057_matematika.jpg

310 ms

1473786080_english.jpg

1473786080_english.jpg

315 ms

1474473320_istoriya-ukrainy.jpg

1474473320_istoriya-ukrainy.jpg

316 ms

1438506742_poster.jpg

1438506742_poster.jpg

318 ms

1473757467_fizika.jpg

1473757467_fizika.jpg

330 ms

1503498311_algebra.jpg

1503498311_algebra.jpg

331 ms

1409840556_kalinina-9-klas.jpg

1409840556_kalinina-9-klas.jpg

384 ms

1471181009_algebra-ershova-10.jpg

1471181009_algebra-ershova-10.jpg

393 ms

1473778308_fizika.jpg

1473778308_fizika.jpg

395 ms

1.png

1.png

397 ms

2.png

2.png

410 ms

3.png

3.png

414 ms

foot_bg.png

foot_bg.png

459 ms

prev-horizontal.png

prev-horizontal.png

330 ms

next-horizontal.png

next-horizontal.png

332 ms

hit

hit

541 ms

hit

hit

135 ms

Accessibility Review

12ballov.net accessibility score

60

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.

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

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

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

12ballov.net 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

12ballov.net SEO score

92

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

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

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 12ballov.net 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 12ballov.net 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

12ballov.net

Open Graph description is not detected on the main page of 12 Ballov. 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: