Tools & Wizards About Us

Report Summary

  • 22

    Performance

    Renders faster than
    40% 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

  • 82

    SEO

    Google-friendlier than
    44% of websites

delrus.ru

Дельрус – медицинское оборудование и расходные материалы, продажа, ремонт и обслуживание медицинской техники.

Page Load Speed

9.9 sec in total

First Response

3.1 sec

Resources Loaded

6.6 sec

Page Rendered

220 ms

About Website

Visit delrus.ru now to see the best up-to-date Delrus content for Russia and also check out these interesting facts you probably never knew about delrus.ru

Дельрус – лидер российского рынка медицинских изделий, поставщик медицинского оборудования, медицинской техники и технологий лечения и диагностики, комплексных решений, оказываем услуги сервиса медици...

Visit delrus.ru

Key Findings

We analyzed Delrus.ru page load time and found that the first response time was 3.1 sec and then it took 6.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

delrus.ru performance score

22

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.7 s

13/100

10%

LCP (Largest Contentful Paint)

Value6.1 s

12/100

25%

SI (Speed Index)

Value11.8 s

4/100

10%

TBT (Total Blocking Time)

Value2,600 ms

4/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value15.0 s

8/100

10%

Network Requests Diagram

delrus.ru

3133 ms

style_rus.css

844 ms

cusel.css

645 ms

jquery.fancybox-1.3.4.css

655 ms

jquery-1.4.2.js

2004 ms

Our browser made a total of 102 requests to load all elements on the main page. We found that 94% of them (96 requests) were addressed to the original Delrus.ru, 2% (2 requests) were made to Google-analytics.com and 2% (2 requests) were made to Counter.yadro.ru. The less responsive or slowest element that took the longest time to load (3.1 sec) belongs to the original domain Delrus.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 244.8 kB (60%)

Content Size

410.9 kB

After Optimization

166.2 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Delrus.ru main page is 410.9 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. 35% of websites need less resources to load. Javascripts take 232.9 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 42.3 kB

  • Original 50.1 kB
  • After minification 43.9 kB
  • After compression 7.8 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 6.1 kB, which is 12% 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 42.3 kB or 84% of the original size.

Image Optimization

-8%

Potential reduce by 7.6 kB

  • Original 100.8 kB
  • After minification 93.2 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. Delrus images are well optimized though.

JavaScript Optimization

-74%

Potential reduce by 172.0 kB

  • Original 232.9 kB
  • After minification 160.7 kB
  • After compression 60.9 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 172.0 kB or 74% of the original size.

CSS Optimization

-84%

Potential reduce by 22.9 kB

  • Original 27.1 kB
  • After minification 18.4 kB
  • After compression 4.2 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. Delrus.ru needs all CSS files to be minified and compressed as it can save up to 22.9 kB or 84% of the original size.

Requests Breakdown

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

Requests Now

99

After Optimization

86

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 99 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Delrus. 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 from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

delrus.ru accessibility score

80

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

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

Best Practices

delrus.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

SEO Factors

delrus.ru SEO score

82

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

High

robots.txt is not valid

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

    WINDOWS-1251

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Delrus.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 Delrus.ru main page’s claimed encoding is windows-1251. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

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