Report Summary

  • 29

    Performance

    Renders faster than
    49% of other websites

  • 88

    Accessibility

    Visual factors better than
    that of 69% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 92

    SEO

    Google-friendlier than
    75% of websites

sde.nnov.ru

Welcome to nginx!

Page Load Speed

5.2 sec in total

First Response

448 ms

Resources Loaded

4.5 sec

Page Rendered

336 ms

sde.nnov.ru screenshot

About Website

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

Visit sde.nnov.ru

Key Findings

We analyzed Sde.nnov.ru page load time and found that the first response time was 448 ms and then it took 4.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

sde.nnov.ru performance score

29

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.5 s

15/100

10%

LCP (Largest Contentful Paint)

Value4.5 s

37/100

25%

SI (Speed Index)

Value8.9 s

15/100

10%

TBT (Total Blocking Time)

Value1,800 ms

9/100

30%

CLS (Cumulative Layout Shift)

Value0.111

87/100

15%

TTI (Time to Interactive)

Value13.8 s

10/100

10%

Network Requests Diagram

sde.nnov.ru

448 ms

sde

519 ms

styles.css

149 ms

jquery,startup.js

1532 ms

index.js

299 ms

Our browser made a total of 57 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Sde.nnov.ru, 28% (16 requests) were made to Img.nnov.org and 18% (10 requests) were made to Names.nnov.org. The less responsive or slowest element that took the longest time to load (1.5 sec) relates to the external source S.img.nnov.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 928.7 kB (72%)

Content Size

1.3 MB

After Optimization

360.9 kB

In fact, the total size of Sde.nnov.ru main page is 1.3 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. 20% of websites need less resources to load. Javascripts take 932.0 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 100.7 kB

  • Original 120.4 kB
  • After minification 115.1 kB
  • After compression 19.6 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 100.7 kB or 84% of the original size.

Image Optimization

-14%

Potential reduce by 8.8 kB

  • Original 61.4 kB
  • After minification 52.6 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, Sde Nnov needs image optimization as it can save up to 8.8 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

-72%

Potential reduce by 673.4 kB

  • Original 932.0 kB
  • After minification 929.5 kB
  • After compression 258.6 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 673.4 kB or 72% of the original size.

CSS Optimization

-83%

Potential reduce by 145.7 kB

  • Original 175.9 kB
  • After minification 172.4 kB
  • After compression 30.1 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. Sde.nnov.ru needs all CSS files to be minified and compressed as it can save up to 145.7 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 24 (48%)

Requests Now

50

After Optimization

26

The browser has sent 50 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sde Nnov. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

sde.nnov.ru accessibility score

88

Accessibility Issues

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

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

High

Form elements do not have associated labels

Best Practices

sde.nnov.ru best practices score

75

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

sde.nnov.ru SEO score

92

Search Engine Optimization Advices

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

    EN

  • Language Claimed

    N/A

  • Encoding

    KOI8-R

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sde.nnov.ru can be misinterpreted by Google and other search engines. Our service has detected that English 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 Sde.nnov.ru main page’s claimed encoding is koi8-r. 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

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