Tools & Wizards About Us

Report Summary

  • 31

    Performance

    Renders faster than
    51% of other websites

  • 64

    Accessibility

    Visual factors better than
    that of 29% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

nn.ucheba.ru

Поможем определиться с профессией и специальностью, выбрать вуз или колледж и подготовиться к успешному поступлению — Учёба.ру

Page Load Speed

3.9 sec in total

First Response

397 ms

Resources Loaded

3.2 sec

Page Rendered

361 ms

About Website

Click here to check amazing Nn Ucheba content for Russia. Otherwise, check out these important facts you probably never knew about nn.ucheba.ru

Кем стать? Какую профессию, специальность и образование выбрать? Куда пойти учиться? В вуз или колледж? Как подготовиться, чтобы успешно поступить на бюджет? Учёба.ру поможет на всех шагах от профорие...

Visit nn.ucheba.ru

Key Findings

We analyzed Nn.ucheba.ru page load time and found that the first response time was 397 ms and then it took 3.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

nn.ucheba.ru performance score

31

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.3 s

74/100

10%

LCP (Largest Contentful Paint)

Value7.0 s

6/100

25%

SI (Speed Index)

Value5.1 s

61/100

10%

TBT (Total Blocking Time)

Value2,210 ms

6/100

30%

CLS (Cumulative Layout Shift)

Value0.104

88/100

15%

TTI (Time to Interactive)

Value13.9 s

10/100

10%

Network Requests Diagram

nn.ucheba.ru

397 ms

nn.ucheba.ru

798 ms

loader.js

1100 ms

2582c185e537020c.css

233 ms

polyfills-78c92fac7aa8fdd8.js

450 ms

Our browser made a total of 47 requests to load all elements on the main page. We found that 57% of them (27 requests) were addressed to the original Nn.ucheba.ru, 19% (9 requests) were made to Ucheba.ru and 11% (5 requests) were made to Use.typekit.net. The less responsive or slowest element that took the longest time to load (1.8 sec) relates to the external source Ucheba.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 190.9 kB (18%)

Content Size

1.1 MB

After Optimization

872.7 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Nn.ucheba.ru main page is 1.1 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. 45% of websites need less resources to load. Images take 849.2 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 128.6 kB

  • Original 152.4 kB
  • After minification 152.1 kB
  • After compression 23.7 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 128.6 kB or 84% of the original size.

Image Optimization

-6%

Potential reduce by 53.0 kB

  • Original 849.2 kB
  • After minification 796.2 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. Nn Ucheba images are well optimized though.

JavaScript Optimization

-15%

Potential reduce by 9.3 kB

  • Original 62.1 kB
  • After minification 62.1 kB
  • After compression 52.8 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 9.3 kB or 15% of the original size.

Requests Breakdown

Number of requests can be reduced by 20 (50%)

Requests Now

40

After Optimization

20

  • Images
  • JavaScript
  • CSS

The browser has sent 40 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Nn Ucheba. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 21 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

nn.ucheba.ru accessibility score

64

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

Buttons do not have an accessible name

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

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

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

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

nn.ucheba.ru best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

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

Page has valid source maps

SEO Factors

nn.ucheba.ru SEO score

91

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    RU

  • Language Claimed

    RU

  • Encoding

    UTF-8

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

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