Report Summary

  • 8

    Performance

    Renders faster than
    22% of other websites

  • 80

    Accessibility

    Visual factors better than
    that of 49% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 80

    SEO

    Google-friendlier than
    42% of websites

de-online.ru

Все для интересного и эффективного изучения немецкого языка!

Page Load Speed

8.7 sec in total

First Response

493 ms

Resources Loaded

7.7 sec

Page Rendered

517 ms

de-online.ru screenshot

About Website

Click here to check amazing De Online content for Germany. Otherwise, check out these important facts you probably never knew about de-online.ru

Материалы для изучающих немецкий язык: грамматика, онлайн-уроки, тесты, медиатека, интересные статьи об учебе и жизни в Германии и не только.Онлайн и бесплатно!

Visit de-online.ru

Key Findings

We analyzed De-online.ru page load time and found that the first response time was 493 ms and then it took 8.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

de-online.ru performance score

8

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.1 s

3/100

10%

LCP (Largest Contentful Paint)

Value19.3 s

0/100

25%

SI (Speed Index)

Value11.3 s

5/100

10%

TBT (Total Blocking Time)

Value1,610 ms

12/100

30%

CLS (Cumulative Layout Shift)

Value0.424

23/100

15%

TTI (Time to Interactive)

Value17.2 s

4/100

10%

Network Requests Diagram

de-online.ru

493 ms

www.de-online.ru

1013 ms

style.css

157 ms

style_cross.css

308 ms

my.css

464 ms

Our browser made a total of 160 requests to load all elements on the main page. We found that 78% of them (125 requests) were addressed to the original De-online.ru, 3% (5 requests) were made to Google-analytics.com and 3% (4 requests) were made to Top-fwz1.mail.ru. The less responsive or slowest element that took the longest time to load (2.3 sec) belongs to the original domain De-online.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 603.8 kB (18%)

Content Size

3.3 MB

After Optimization

2.7 MB

In fact, the total size of De-online.ru main page is 3.3 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. 70% of websites need less resources to load. Images take 2.2 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 94.8 kB

  • Original 113.6 kB
  • After minification 93.6 kB
  • After compression 18.8 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 20.0 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 94.8 kB or 83% of the original size.

Image Optimization

-7%

Potential reduce by 154.2 kB

  • Original 2.2 MB
  • After minification 2.1 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. De Online images are well optimized though.

JavaScript Optimization

-38%

Potential reduce by 351.2 kB

  • Original 929.6 kB
  • After minification 928.9 kB
  • After compression 578.4 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 351.2 kB or 38% of the original size.

CSS Optimization

-10%

Potential reduce by 3.7 kB

  • Original 35.6 kB
  • After minification 35.6 kB
  • After compression 31.9 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. De-online.ru has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 94 (60%)

Requests Now

157

After Optimization

63

The browser has sent 157 CSS, Javascripts, AJAX and image requests in order to completely render the main page of De Online. 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 10 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

de-online.ru accessibility score

80

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.

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

Links do not have a discernible name

Best Practices

de-online.ru best practices score

67

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

de-online.ru SEO score

80

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

    RU

  • Language Claimed

    RU

  • Encoding

    UTF-8

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