Access nrcki.ru. Национальный исследовательский центр Курчатовский институт

name

value

score

weighting

FCP (First Contentful Paint)

Value2.4 s

70/100

10%

LCP (Largest Contentful Paint)

Value8.4 s

2/100

25%

SI (Speed Index)

Value8.9 s

15/100

10%

TBT (Total Blocking Time)

Value3,030 ms

2/100

30%

CLS (Cumulative Layout Shift)

Value0.216

58/100

15%

TTI (Time to Interactive)

Value15.6 s

6/100

10%

nrcki.ru

668 ms

styles77.css

536 ms

lightgallery.min.css

274 ms

masterslider.css

268 ms

jquery.mCustomScrollbar.min.css

277 ms

Our browser made a total of 91 requests to load all elements on the main page. We found that 95% of them (86 requests) were addressed to the original Nrcki.ru, 3% (3 requests) were made to Fonts.gstatic.com and 1% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (5.3 sec) belongs to the original domain Nrcki.ru.

Content Size

3.4 MB

After Optimization

3.3 MB

In fact, the total size of Nrcki.ru main page is 3.4 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. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 3.1 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 72.5 kB

Original 87.0 kB
After minification 84.7 kB
After compression 14.6 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 72.5 kB or 83% of the original size.

Image Optimization

-2%

Potential reduce by 72.7 kB

Original 3.1 MB
After minification 3.0 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. Nrcki images are well optimized though.

JavaScript Optimization

-5%

Potential reduce by 9.6 kB

Original 209.2 kB
After minification 209.2 kB
After compression 199.6 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. This website has mostly compressed JavaScripts.

CSS Optimization

-9%

Potential reduce by 5.5 kB

Original 60.7 kB
After minification 60.7 kB
After compression 55.2 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. Nrcki.ru has all CSS files already compressed.

Requests Now

After Optimization

The browser has sent 83 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Nrcki. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 21 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

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 keyboard navigation in your application.

High

Heading elements are not in a sequentially-descending order

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

High

Page has valid source maps

Search Engine Optimization Advices

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

WINDOWS-1251

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Nrcki.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 Nrcki.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

nrcki.ru

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

Национальный исследовательский центр Курчатовский институт

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

nrcki.ru

styles77.css

lightgallery.min.css

masterslider.css

jquery.mCustomScrollbar.min.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

nrcki.ru

styles77.css

lightgallery.min.css

masterslider.css

jquery.mCustomScrollbar.min.css

jstree.css

video-js.css

owl.carousel.min.css

owl.theme.default.min.css

js

logo-blue.png

pixel.png

loading-1-dark.gif

icon-49754.jpg

icon-49750.jpg

icon-49739.jpg

icon-49725.jpg

icon-49715.jpg

icon-49712.jpg

icon-49677.jpg

icon-49676.jpg

icon-49670.jpg

icon-49659.jpg

icon-49644.jpg

icon-49650.jpg

icon-49625.jpg

icon-49613.jpg

icon-49589.jpg

img49766.jpg

icon-44416.jpg

icon-44417.jpg

icon-44418.jpg

icon-44420.jpg

icon-44422.jpg

icon-46944.jpg

img40105.png

img34604.jpg

jquery-1.12.4.min.js

bootstrap.min.js

jquery.easing.min.js

modernizr.custom.js

jquery.ezCookie_0.7.js

jquery.mCustomScrollbar.concat.min.js