Report Summary

  • 43

    Performance

    Renders faster than
    62% of other websites

  • 69

    Accessibility

    Visual factors better than
    that of 35% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 99

    SEO

    Google-friendlier than
    93% of websites

referat.ru

Referat.ru — бесплатный сервис для поиска рефератов, дипломов, курсовых работ на любую тему | Referat.ru

Page Load Speed

23.2 sec in total

First Response

553 ms

Resources Loaded

22.5 sec

Page Rendered

211 ms

referat.ru screenshot

About Website

Click here to check amazing Referat content for Russia. Otherwise, check out these important facts you probably never knew about referat.ru

Лучшая база бесплатных работ в Рунете для школьников и струдентов. У нас вы сможете найти и ознакомиться с рефератами, дипломными и курсовыми работами, докладами, контрольными на любую тему.

Visit referat.ru

Key Findings

We analyzed Referat.ru page load time and found that the first response time was 553 ms and then it took 22.7 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster. Unfortunately, there were 4 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

referat.ru performance score

43

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.2 s

79/100

10%

LCP (Largest Contentful Paint)

Value3.2 s

71/100

25%

SI (Speed Index)

Value4.1 s

79/100

10%

TBT (Total Blocking Time)

Value3,500 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0.345

32/100

15%

TTI (Time to Interactive)

Value8.3 s

40/100

10%

Network Requests Diagram

referat.ru

553 ms

referat.ru

865 ms

bg.jpg

403 ms

logo.png

404 ms

banner_33.png

551 ms

Our browser made a total of 33 requests to load all elements on the main page. We found that 58% of them (19 requests) were addressed to the original Referat.ru, 12% (4 requests) were made to Synergy.ru and 9% (3 requests) were made to An.yandex.ru. The less responsive or slowest element that took the longest time to load (20 sec) relates to the external source Synergy.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 119.9 kB (21%)

Content Size

561.4 kB

After Optimization

441.5 kB

In fact, the total size of Referat.ru main page is 561.4 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 365.1 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 21.9 kB

  • Original 29.0 kB
  • After minification 23.8 kB
  • After compression 7.1 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 5.2 kB, which is 18% 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 21.9 kB or 76% of the original size.

Image Optimization

-2%

Potential reduce by 7.7 kB

  • Original 365.1 kB
  • After minification 357.4 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. Referat images are well optimized though.

JavaScript Optimization

-49%

Potential reduce by 65.9 kB

  • Original 135.7 kB
  • After minification 134.8 kB
  • After compression 69.8 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 65.9 kB or 49% of the original size.

CSS Optimization

-77%

Potential reduce by 24.4 kB

  • Original 31.6 kB
  • After minification 30.0 kB
  • After compression 7.2 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. Referat.ru needs all CSS files to be minified and compressed as it can save up to 24.4 kB or 77% of the original size.

Requests Breakdown

Number of requests can be reduced by 5 (22%)

Requests Now

23

After Optimization

18

The browser has sent 23 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Referat. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

referat.ru accessibility score

69

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

Form elements do not have associated labels

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

referat.ru best practices score

75

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

Browser errors were logged to the console

SEO Factors

referat.ru SEO score

99

Search Engine Optimization Advices

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

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Referat.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 Referat.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 Referat. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: