Access narkologcentre.ru. Наркологический центр в Москве "РусНарколог"

name

value

score

weighting

FCP (First Contentful Paint)

Value3.1 s

46/100

10%

LCP (Largest Contentful Paint)

Value14.4 s

0/100

25%

SI (Speed Index)

Value15.0 s

1/100

10%

TBT (Total Blocking Time)

Value3,640 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0.449

20/100

15%

TTI (Time to Interactive)

Value16.0 s

6/100

10%

narkologcentre.ru

1085 ms

jquery.min.js

284 ms

lazyload.min.js

646 ms

6abf738110f9abd97f048055543fee52.js

2718 ms

164352819307

675 ms

Our browser made a total of 89 requests to load all elements on the main page. We found that 57% of them (51 requests) were addressed to the original Narkologcentre.ru, 39% (35 requests) were made to Fonts.gstatic.com and 1% (1 request) were made to Yandex.ru. The less responsive or slowest element that took the longest time to load (4.9 sec) belongs to the original domain Narkologcentre.ru.

Content Size

3.6 MB

After Optimization

2.9 MB

In fact, the total size of Narkologcentre.ru main page is 3.6 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 3.4 MB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 188.6 kB

Original 222.9 kB
After minification 222.7 kB
After compression 34.3 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 188.6 kB or 85% of the original size.

Image Optimization

-16%

Potential reduce by 538.0 kB

Original 3.4 MB
After minification 2.8 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. Obviously, Narkologcentre needs image optimization as it can save up to 538.0 kB or 16% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

Requests Now

After Optimization

The browser has sent 44 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Narkologcentre. According to our analytics all requests are already optimized.

Accessibility Issues

These are opportunities to improve the legibility of your content.

High

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

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

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

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

Low

Ensure CSP is effective against XSS attacks

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

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

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 Narkologcentre.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 Narkologcentre.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 data is detected on the main page of Narkologcentre. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: