Report Summary

  • 26

    Performance

    Renders faster than
    46% of other websites

  • 75

    Accessibility

    Visual factors better than
    that of 42% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

rosmedlib.ru

Консультант врача. Электронная медицинская библиотека

Page Load Speed

11 sec in total

First Response

2 sec

Resources Loaded

8.8 sec

Page Rendered

181 ms

rosmedlib.ru screenshot

About Website

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

Консультант врача. Электронная медицинская библиотека

Visit rosmedlib.ru

Key Findings

We analyzed Rosmedlib.ru page load time and found that the first response time was 2 sec and then it took 9 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

rosmedlib.ru performance score

26

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.4 s

7/100

10%

LCP (Largest Contentful Paint)

Value5.4 s

20/100

25%

SI (Speed Index)

Value10.8 s

6/100

10%

TBT (Total Blocking Time)

Value1,520 ms

13/100

30%

CLS (Cumulative Layout Shift)

Value0.013

100/100

15%

TTI (Time to Interactive)

Value15.1 s

7/100

10%

Network Requests Diagram

rosmedlib.ru

2027 ms

www.rosmedlib.ru

4942 ms

rds_defaults_0.js

257 ms

rds_defaults2_0.js

382 ms

search_prompts_0.js

264 ms

Our browser made a total of 44 requests to load all elements on the main page. We found that 98% of them (43 requests) were addressed to the original Rosmedlib.ru, 2% (1 request) were made to Counter.yadro.ru. The less responsive or slowest element that took the longest time to load (4.9 sec) belongs to the original domain Rosmedlib.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 397.7 kB (63%)

Content Size

635.7 kB

After Optimization

238.0 kB

In fact, the total size of Rosmedlib.ru main page is 635.7 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. 30% of websites need less resources to load. Images take 456.1 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 39.2 kB

  • Original 48.5 kB
  • After minification 46.7 kB
  • After compression 9.3 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. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 39.2 kB or 81% of the original size.

Image Optimization

-54%

Potential reduce by 244.1 kB

  • Original 456.1 kB
  • After minification 212.0 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. Obviously, Rosmedlib needs image optimization as it can save up to 244.1 kB or 54% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-81%

Potential reduce by 22.9 kB

  • Original 28.2 kB
  • After minification 16.1 kB
  • After compression 5.3 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 22.9 kB or 81% of the original size.

CSS Optimization

-89%

Potential reduce by 91.5 kB

  • Original 103.0 kB
  • After minification 65.4 kB
  • After compression 11.5 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. Rosmedlib.ru needs all CSS files to be minified and compressed as it can save up to 91.5 kB or 89% of the original size.

Requests Breakdown

Number of requests can be reduced by 11 (27%)

Requests Now

41

After Optimization

30

The browser has sent 41 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Rosmedlib. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

rosmedlib.ru accessibility score

75

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

Document doesn't have a <title> element

High

<frame> or <iframe> elements do not have a title

High

Form elements do not have associated labels

High

Links do not have a discernible name

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

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Some elements have a [tabindex] value greater than 0

Best Practices

rosmedlib.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

rosmedlib.ru SEO score

83

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Document doesn't have a <title> element

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

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 Rosmedlib.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 Rosmedlib.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 Rosmedlib. 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: