Access rcrm.by. Республиканский научно-практический центр радиационной медицины и экологии человека

name

value

score

weighting

FCP (First Contentful Paint)

Value4.9 s

11/100

10%

LCP (Largest Contentful Paint)

Value26.8 s

0/100

25%

SI (Speed Index)

Value16.0 s

0/100

10%

TBT (Total Blocking Time)

Value890 ms

32/100

30%

CLS (Cumulative Layout Shift)

Value1.019

2/100

15%

TTI (Time to Interactive)

Value21.9 s

1/100

10%

rcrm.by

443 ms

rcrm.by

474 ms

www.rcrm.by

2084 ms

page_292a81dab3bd5786884c553162b5cba1_v1.css

335 ms

template_91693a7ff611dc9802158d0a7db2a5de_v1.css

475 ms

Our browser made a total of 100 requests to load all elements on the main page. We found that 89% of them (89 requests) were addressed to the original Rcrm.by, 3% (3 requests) were made to Mc.yandex.com and 2% (2 requests) were made to Bitrix.info. The less responsive or slowest element that took the longest time to load (4.8 sec) belongs to the original domain Rcrm.by.

Content Size

6.9 MB

After Optimization

6.0 MB

In fact, the total size of Rcrm.by main page is 6.9 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 5.8 MB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 144.5 kB

Original 167.4 kB
After minification 102.2 kB
After compression 22.9 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 65.1 kB, which is 39% 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 144.5 kB or 86% of the original size.

Image Optimization

-2%

Potential reduce by 141.9 kB

Original 5.8 MB
After minification 5.7 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. Rcrm images are well optimized though.

JavaScript Optimization

-61%

Potential reduce by 474.5 kB

Original 774.8 kB
After minification 774.8 kB
After compression 300.3 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 474.5 kB or 61% of the original size.

CSS Optimization

-82%

Potential reduce by 158.9 kB

Original 192.7 kB
After minification 190.7 kB
After compression 33.8 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. Rcrm.by needs all CSS files to be minified and compressed as it can save up to 158.9 kB or 82% of the original size.

Requests Now

After Optimization

The browser has sent 92 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Rcrm. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

High

[aria-hidden="true"] elements contain focusable descendents

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.

High

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

Low

Detected JavaScript libraries

Search Engine Optimization Advices

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

High

Links are not crawlable

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

High

Image elements do not have [alt] attributes

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/).

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 Rcrm.by 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 Rcrm.by 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

rcrm.by

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

Report Summary

Performance

Accessibility

Best Practices

SEO

Республиканский научно-практический центр радиационной медицины и экологии человека

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

rcrm.by

rcrm.by

www.rcrm.by

page_292a81dab3bd5786884c553162b5cba1_v1.css

template_91693a7ff611dc9802158d0a7db2a5de_v1.css

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

rcrm.by

rcrm.by

www.rcrm.by

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