Access sdnv.ru.

name

value

score

weighting

FCP (First Contentful Paint)

Value3.7 s

30/100

10%

LCP (Largest Contentful Paint)

Value9.0 s

1/100

25%

SI (Speed Index)

Value10.0 s

9/100

10%

TBT (Total Blocking Time)

Value12,630 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.025

100/100

15%

TTI (Time to Interactive)

Value23.7 s

1/100

10%

sdnv.ru

556 ms

styles.css

126 ms

highslide.min.css

244 ms

highslide.packed.js

244 ms

flowplayer-3.2.9.min.js

256 ms

Our browser made a total of 84 requests to load all elements on the main page. We found that 42% of them (35 requests) were addressed to the original Sdnv.ru, 14% (12 requests) were made to Vk.com and 11% (9 requests) were made to Cp.onicon.ru. The less responsive or slowest element that took the longest time to load (724 ms) belongs to the original domain Sdnv.ru.

Content Size

1.7 MB

After Optimization

776.7 kB

In fact, the total size of Sdnv.ru main page is 1.7 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. 45% of websites need less resources to load. Javascripts take 1.0 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 62.7 kB

Original 77.7 kB
After minification 76.1 kB
After compression 15.0 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 62.7 kB or 81% of the original size.

Image Optimization

-3%

Potential reduce by 12.3 kB

Original 399.1 kB
After minification 386.8 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. Sdnv images are well optimized though.

JavaScript Optimization

-67%

Potential reduce by 703.8 kB

Original 1.0 MB
After minification 979.9 kB
After compression 339.6 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 703.8 kB or 67% of the original size.

CSS Optimization

-77%

Potential reduce by 120.8 kB

Original 156.1 kB
After minification 140.7 kB
After compression 35.3 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. Sdnv.ru needs all CSS files to be minified and compressed as it can save up to 120.8 kB or 77% of the original size.

Requests Now

After Optimization

The browser has sent 76 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sdnv. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 31 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

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

Form elements do not have associated labels

High

Links do not have a discernible name

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

High

Serves images with low resolution

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

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

Language and Encoding

Language Detected

RU
Language Claimed

EN
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sdnv.ru can be misinterpreted by Google and other search engines. Our service has detected that Russian is used on the page, and it does not match the claimed English language. Our system also found out that Sdnv.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

sdnv.ru

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

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

sdnv.ru

styles.css

highslide.min.css

highslide.packed.js

flowplayer-3.2.9.min.js

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

sdnv.ru

styles.css

highslide.min.css

highslide.packed.js

flowplayer-3.2.9.min.js

calendar.css

ru.js

cookie.js

widgets.js

calendar.packed.js

feedback.factory.min.js

jquery-1.6.1.min.js

openapi.js

naverh.js

share.js

main.js

top100.jcn

body_bg.png

InqR

wrap_bg.png

wrap.jpg

tmenu_i.png

logo.png

lmenu_a.png

657521603_6.jpg

657519403_6.jpg

719932803_6.jpg

block_name.png

562652803_5.jpg

zoomin.cur

news_name.png

103_off.png

upload.gif

sdnv_baner_2016_1.gif

logo_kvadratn_orang.jpg

775959403_5.jpg

777525203_5.jpg

820661203_5.jpg

sdnv_logo_orang.jpg

footer.png

widget_community.php

top100.scn

code.js

hit