Report Summary

  • 63

    Performance

    Renders faster than
    77% of other websites

  • 93

    Accessibility

    Visual factors better than
    that of 80% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

web1.cdmed.ru

Северо-Западный Центр Доказательной Медицины - лабораторные анализы и исследования

Page Load Speed

8.1 sec in total

First Response

545 ms

Resources Loaded

4.7 sec

Page Rendered

2.8 sec

About Website

Click here to check amazing Web 1 Cdmed content for Russia. Otherwise, check out these important facts you probably never knew about web1.cdmed.ru

Северо-Западный Центр Доказательной Медицины - это современная медицинская лаборатория и квалифицированные специалисты широкого профиля в Санкт-Петербурге и других городах Северо-Западного региона.

Visit web1.cdmed.ru

Key Findings

We analyzed Web1.cdmed.ru page load time and found that the first response time was 545 ms and then it took 7.5 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

web1.cdmed.ru performance score

63

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.3 s

41/100

10%

LCP (Largest Contentful Paint)

Value5.1 s

24/100

25%

SI (Speed Index)

Value7.1 s

32/100

10%

TBT (Total Blocking Time)

Value140 ms

96/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value6.2 s

62/100

10%

Network Requests Diagram

web1.cdmed.ru

545 ms

cdmed.ru

1210 ms

ui.design-tokens.min.css

242 ms

ui.font.opensans.min.css

365 ms

main.popup.bundle.min.css

369 ms

Our browser made a total of 79 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Web1.cdmed.ru, 96% (76 requests) were made to Cdmed.ru and 3% (2 requests) were made to Bitrix.info. The less responsive or slowest element that took the longest time to load (1.3 sec) relates to the external source Cdmed.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 779.3 kB (12%)

Content Size

6.6 MB

After Optimization

5.8 MB

In fact, the total size of Web1.cdmed.ru main page is 6.6 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 6.0 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 233.6 kB

  • Original 279.4 kB
  • After minification 199.7 kB
  • After compression 45.7 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. This page needs HTML code to be minified as it can gain 79.7 kB, which is 29% 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 233.6 kB or 84% of the original size.

Image Optimization

-8%

Potential reduce by 483.4 kB

  • Original 6.0 MB
  • After minification 5.5 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. Web 1 Cdmed images are well optimized though.

JavaScript Optimization

-16%

Potential reduce by 47.8 kB

  • Original 291.0 kB
  • After minification 291.0 kB
  • After compression 243.2 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 47.8 kB or 16% of the original size.

CSS Optimization

-27%

Potential reduce by 14.5 kB

  • Original 53.7 kB
  • After minification 53.6 kB
  • After compression 39.1 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. Web1.cdmed.ru needs all CSS files to be minified and compressed as it can save up to 14.5 kB or 27% of the original size.

Requests Breakdown

Number of requests can be reduced by 13 (18%)

Requests Now

73

After Optimization

60

The browser has sent 73 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Web 1 Cdmed. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

web1.cdmed.ru accessibility score

93

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

Best Practices

web1.cdmed.ru best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

web1.cdmed.ru SEO score

83

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

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 Web1.cdmed.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 Web1.cdmed.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 description is not detected on the main page of Web 1 Cdmed. 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: