Tools & Wizards About Us
delrus.ru screenshot

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

delrus.ru screenshot

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

delrus.ru

delrus.ru

3133 ms

style_rus.css

style_rus.css

844 ms

cusel.css

cusel.css

645 ms

jquery.fancybox-1.3.4.css

jquery.fancybox-1.3.4.css

655 ms

jquery-1.4.2.js

jquery-1.4.2.js

2004 ms

jCarouselLite.js

jCarouselLite.js

1115 ms

cusel-min-2.3.1.js

cusel-min-2.3.1.js

1127 ms

jquery.fancybox-1.3.4.pack.js

jquery.fancybox-1.3.4.pack.js

1080 ms

speechbubbles.js

speechbubbles.js

1063 ms

speechbubbles.css

speechbubbles.css

1072 ms

watch.js

watch.js

55 ms

analytics.js

analytics.js

57 ms

get_flash_player.gif

get_flash_player.gif

57 ms

header_back.png

header_back.png

256 ms

earth1.png

earth1.png

388 ms

logo_ru.png

logo_ru.png

255 ms

progress_rus.png

progress_rus.png

265 ms

menu_back.gif

menu_back.gif

763 ms

iso.png

iso.png

425 ms

left_back.png

left_back.png

453 ms

button.png

button.png

456 ms

bullet.png

bullet.png

546 ms

right_back.png

right_back.png

635 ms

gr_531.gif

gr_531.gif

650 ms

gr_1048.gif

gr_1048.gif

637 ms

group_img.gif

group_img.gif

745 ms

gr_3.gif

gr_3.gif

835 ms

gr_157.gif

gr_157.gif

833 ms

gr_156.gif

gr_156.gif

837 ms

gr_1999.gif

gr_1999.gif

973 ms

gr_3159.gif

gr_3159.gif

978 ms

gr_3166.gif

gr_3166.gif

1103 ms

gr_3172.gif

gr_3172.gif

1101 ms

gr_3167.gif

gr_3167.gif

1102 ms

gr_3168.gif

gr_3168.gif

1210 ms

gr_3169.gif

gr_3169.gif

1219 ms

gr_2752.gif

gr_2752.gif

1391 ms

gr_2753.gif

gr_2753.gif

1328 ms

gr_2754.gif

gr_2754.gif

1350 ms

gr_4.gif

gr_4.gif

1591 ms

gr_158.gif

gr_158.gif

1427 ms

gr_1716.gif

gr_1716.gif

1871 ms

gr_5.gif

gr_5.gif

1513 ms

gr_161.gif

gr_161.gif

1552 ms

gr_160.gif

gr_160.gif

1576 ms

gr_2904.gif

gr_2904.gif

1616 ms

gr_30.gif

gr_30.gif

1713 ms

gr_354.gif

gr_354.gif

1720 ms

collect

collect

46 ms

hit

hit

280 ms

speechdata.txt

speechdata.txt

1661 ms

gr_355.gif

gr_355.gif

1513 ms

gr_7.gif

gr_7.gif

1567 ms

gr_165.gif

gr_165.gif

1635 ms

hit

hit

137 ms

gr_164.gif

gr_164.gif

1543 ms

gr_919.gif

gr_919.gif

1530 ms

gr_2147.gif

gr_2147.gif

1505 ms

gr_2146.gif

gr_2146.gif

1557 ms

gr_1951.gif

gr_1951.gif

1551 ms

gr_2453.gif

gr_2453.gif

1467 ms

gr_1354.gif

gr_1354.gif

1534 ms

gr_2137.gif

gr_2137.gif

1525 ms

gr_2138.gif

gr_2138.gif

1435 ms

gr_8.gif

gr_8.gif

1446 ms

gr_167.gif

gr_167.gif

1475 ms

gr_166.gif

gr_166.gif

1451 ms

gr_1848.gif

gr_1848.gif

1550 ms

gr_2190.gif

gr_2190.gif

1416 ms

gr_6.gif

gr_6.gif

1453 ms

gr_162.gif

gr_162.gif

1345 ms

gr_9.gif

gr_9.gif

1372 ms

gr_169.gif

gr_169.gif

1394 ms

gr_10.gif

gr_10.gif

1414 ms

gr_171.gif

gr_171.gif

1408 ms

gr_170.gif

gr_170.gif

1318 ms

gr_2960.gif

gr_2960.gif

1316 ms

gr_11.gif

gr_11.gif

1295 ms

gr_2206.gif

gr_2206.gif

1273 ms

gr_2241.gif

gr_2241.gif

1294 ms

gr_2208.gif

gr_2208.gif

1274 ms

gr_2207.gif

gr_2207.gif

1262 ms

gr_3345.gif

gr_3345.gif

1251 ms

gr_1073.gif

gr_1073.gif

1238 ms

gr_1075.gif

gr_1075.gif

1169 ms

gr_1074.gif

gr_1074.gif

1241 ms

gr_13.gif

gr_13.gif

1259 ms

gr_176.gif

gr_176.gif

1298 ms

gr_12.gif

gr_12.gif

1229 ms

gr_175.gif

gr_175.gif

1184 ms

gr_14.gif

gr_14.gif

1179 ms

gr_178.gif

gr_178.gif

1263 ms

gr_15.gif

gr_15.gif

1289 ms

gr_181.gif

gr_181.gif

1313 ms

gr_180.gif

gr_180.gif

1313 ms

gr_29.gif

gr_29.gif

1229 ms

gr_239.gif

gr_239.gif

1235 ms

gr_241.gif

gr_241.gif

1210 ms

gr_16.gif

gr_16.gif

1264 ms

gr_182.gif

gr_182.gif

1263 ms

footer.png

footer.png

1303 ms

selects-focus.png

selects-focus.png

1232 ms

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

delrus.ru

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: