Tools & Wizards About Us
nautsilus.ru screenshot

Report Summary

  • 75

    Performance

    Renders faster than
    84% of other websites

  • 48

    Accessibility

    Visual factors better than
    that of 20% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 92

    SEO

    Google-friendlier than
    75% of websites

nautsilus.ru

Научный центр Науцилус

Page Load Speed

4.4 sec in total

First Response

776 ms

Resources Loaded

3.5 sec

Page Rendered

128 ms

nautsilus.ru screenshot

About Website

Click here to check amazing Nautsilus content for Russia. Otherwise, check out these important facts you probably never knew about nautsilus.ru

Научный центр Науцилус

Visit nautsilus.ru

Key Findings

We analyzed Nautsilus.ru page load time and found that the first response time was 776 ms and then it took 3.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

nautsilus.ru performance score

75

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.4 s

71/100

10%

LCP (Largest Contentful Paint)

Value4.0 s

50/100

25%

SI (Speed Index)

Value7.8 s

24/100

10%

TBT (Total Blocking Time)

Value140 ms

95/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value3.6 s

91/100

10%

Network Requests Diagram

nautsilus.ru

776 ms

jquery.css

269 ms

styles.css

401 ms

jquery.js

807 ms

jquery_002.js

551 ms

Our browser made a total of 24 requests to load all elements on the main page. We found that 83% of them (20 requests) were addressed to the original Nautsilus.ru, 8% (2 requests) were made to Google-analytics.com and 4% (1 request) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (2 sec) belongs to the original domain Nautsilus.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 212.8 kB (59%)

Content Size

362.1 kB

After Optimization

149.3 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Nautsilus.ru main page is 362.1 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. 20% of websites need less resources to load. Javascripts take 227.2 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 16.2 kB

  • Original 19.7 kB
  • After minification 10.1 kB
  • After compression 3.5 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 9.6 kB, which is 49% 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 16.2 kB or 82% of the original size.

Image Optimization

-14%

Potential reduce by 10.4 kB

  • Original 76.3 kB
  • After minification 65.9 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, Nautsilus needs image optimization as it can save up to 10.4 kB or 14% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-67%

Potential reduce by 153.0 kB

  • Original 227.2 kB
  • After minification 199.1 kB
  • After compression 74.1 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 153.0 kB or 67% of the original size.

CSS Optimization

-85%

Potential reduce by 33.2 kB

  • Original 39.0 kB
  • After minification 30.9 kB
  • After compression 5.8 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. Nautsilus.ru needs all CSS files to be minified and compressed as it can save up to 33.2 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 11 (50%)

Requests Now

22

After Optimization

11

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 22 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Nautsilus. 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 from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

nautsilus.ru

nautsilus.ru

776 ms

jquery.css

jquery.css

269 ms

styles.css

styles.css

401 ms

jquery.js

jquery.js

807 ms

jquery_002.js

jquery_002.js

551 ms

scripts.js

scripts.js

419 ms

jquery.hoverIntent.minified.js

jquery.hoverIntent.minified.js

286 ms

jquery.dcmegamenu.1.2.js

jquery.dcmegamenu.1.2.js

404 ms

style.css

style.css

426 ms

modernizr.custom.28468.js

modernizr.custom.28468.js

534 ms

css

css

24 ms

jquery.cslider.js

jquery.cslider.js

539 ms

bsa.js

bsa.js

47 ms

logo.png

logo.png

135 ms

slide1_pic_s.png

slide1_pic_s.png

400 ms

slide2_pic_s.png

slide2_pic_s.png

272 ms

slide3_pic_s.png

slide3_pic_s.png

410 ms

analytics.js

analytics.js

43 ms

arrow.png

arrow.png

137 ms

slider_bg.png

slider_bg.png

663 ms

arrows.png

arrows.png

228 ms

arrow.png

arrow.png

272 ms

calibri.ttf

calibri.ttf

1975 ms

collect

collect

25 ms

Accessibility Review

nautsilus.ru accessibility score

48

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.

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

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

High

Links do not have a discernible name

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

nautsilus.ru best practices score

58

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

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

nautsilus.ru SEO score

92

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

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

Language and Encoding

  • Language Detected

    RU

  • Language Claimed

    N/A

  • Encoding

    WINDOWS-1251

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Nautsilus.ru can be misinterpreted by Google and other search engines. Our service has detected that Russian is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Nautsilus.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

nautsilus.ru

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