Tools & Wizards About Us
kotelnikov.biz screenshot

Report Summary

  • 22

    Performance

    Renders faster than
    41% of other websites

  • 46

    Accessibility

    Visual factors better than
    that of 19% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 67

    SEO

    Google-friendlier than
    25% of websites

kotelnikov.biz

Vadim Kotelnikov - inventor Busines e-Coach, Innoball, Innompic Games

Page Load Speed

3.9 sec in total

First Response

1.1 sec

Resources Loaded

2.4 sec

Page Rendered

341 ms

kotelnikov.biz screenshot

About Website

Click here to check amazing Kotelnikov content for United Kingdom. Otherwise, check out these important facts you probably never knew about kotelnikov.biz

Vadim Kotelnikov, Founder of Innompic Games, inventor and aouthor of inspirational Business e-Coach - inspiration and innovation unlimited, Innovarsity, HappyVictor, father of emfographics, founder of...

Visit kotelnikov.biz

Key Findings

We analyzed Kotelnikov.biz page load time and found that the first response time was 1.1 sec and then it took 2.8 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

kotelnikov.biz performance score

22

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.5 s

34/100

10%

LCP (Largest Contentful Paint)

Value5.9 s

14/100

25%

SI (Speed Index)

Value11.6 s

4/100

10%

TBT (Total Blocking Time)

Value17,330 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.014

100/100

15%

TTI (Time to Interactive)

Value27.7 s

0/100

10%

Network Requests Diagram

kotelnikov.biz

1120 ms

AJS.js

495 ms

AJS_fx.js

372 ms

gb_scripts.js

509 ms

gb_styles.css

263 ms

Our browser made a total of 51 requests to load all elements on the main page. We found that 84% of them (43 requests) were addressed to the original Kotelnikov.biz, 4% (2 requests) were made to Google.com and 4% (2 requests) were made to Connect.facebook.net. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Kotelnikov.biz.

Page Optimization Overview & Recommendations

Page size can be reduced by 122.7 kB (41%)

Content Size

297.2 kB

After Optimization

174.6 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Kotelnikov.biz main page is 297.2 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. 35% of websites need less resources to load. Images take 142.7 kB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 71.8 kB

  • Original 82.8 kB
  • After minification 74.6 kB
  • After compression 11.0 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 71.8 kB or 87% of the original size.

Image Optimization

-5%

Potential reduce by 7.6 kB

  • Original 142.7 kB
  • After minification 135.2 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. Kotelnikov images are well optimized though.

JavaScript Optimization

-60%

Potential reduce by 41.5 kB

  • Original 69.3 kB
  • After minification 68.2 kB
  • After compression 27.8 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 41.5 kB or 60% of the original size.

CSS Optimization

-76%

Potential reduce by 1.8 kB

  • Original 2.4 kB
  • After minification 1.7 kB
  • After compression 596 B

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. Kotelnikov.biz needs all CSS files to be minified and compressed as it can save up to 1.8 kB or 76% of the original size.

Requests Breakdown

Number of requests can be reduced by 22 (45%)

Requests Now

49

After Optimization

27

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 49 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Kotelnikov. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

kotelnikov.biz

kotelnikov.biz

1120 ms

AJS.js

AJS.js

495 ms

AJS_fx.js

AJS_fx.js

372 ms

gb_scripts.js

gb_scripts.js

509 ms

gb_styles.css

gb_styles.css

263 ms

brand

brand

16 ms

brandjs.js

brandjs.js

47 ms

innompic-gesture_vk_teaching_innompics1-day1.JPG

innompic-gesture_vk_teaching_innompics1-day1.JPG

1174 ms

logo_vk_vk_vk_75x75.png

logo_vk_vk_vk_75x75.png

173 ms

icon_bec_logo_16x16.png

icon_bec_logo_16x16.png

173 ms

icon_innompics_iG_g-w-y_sq_16x16.png

icon_innompics_iG_g-w-y_sq_16x16.png

172 ms

logo_innoball_72x45.png

logo_innoball_72x45.png

259 ms

icon_fun4biz_32x32.png

icon_fun4biz_32x32.png

265 ms

icon_emfographics_16x16.png

icon_emfographics_16x16.png

293 ms

icon_bec-innovarsitet_3sx32.png

icon_bec-innovarsitet_3sx32.png

292 ms

icon_leader360_32x32.png

icon_leader360_32x32.png

265 ms

icon_1w1w_16x16.GIF

icon_1w1w_16x16.GIF

381 ms

icon_hv_16x16.png

icon_hv_16x16.png

387 ms

icon_feed4soul_16x16.png

icon_feed4soul_16x16.png

388 ms

icon_inhale_love_16x16.png

icon_inhale_love_16x16.png

423 ms

logo_brec_84x84.png

logo_brec_84x84.png

557 ms

logo_innoball_y_84x84.png

logo_innoball_y_84x84.png

505 ms

logo_innompics_iG_w-g-mc_84x84.png

logo_innompics_iG_w-g-mc_84x84.png

514 ms

icon_world.gif

icon_world.gif

514 ms

all.js

all.js

52 ms

frame_top_1100.html

frame_top_1100.html

818 ms

branding.png

branding.png

115 ms

all.js

all.js

80 ms

flag_india.png

flag_india.png

525 ms

vk_photogram_loving_creator.jpg

vk_photogram_loving_creator.jpg

786 ms

icon_camera_orange_16x16.png

icon_camera_orange_16x16.png

525 ms

icon_selfie.png

icon_selfie.png

569 ms

icon_kotelnikovs.png

icon_kotelnikovs.png

658 ms

icon_linkedin_16x16.png

icon_linkedin_16x16.png

658 ms

icon_facebook.png

icon_facebook.png

717 ms

widgets.js

widgets.js

104 ms

vk_frame_bottom.html

vk_frame_bottom.html

768 ms

80 ms

logo_vk_vadim_100x100.png

logo_vk_vadim_100x100.png

535 ms

adsbygoogle.js

adsbygoogle.js

71 ms

bec_geo_globe-blue-only_20x15.GIF

bec_geo_globe-blue-only_20x15.GIF

157 ms

au4q_vk_03.jpg

au4q_vk_03.jpg

156 ms

arrow_right_20.gif

arrow_right_20.gif

156 ms

w_close.gif

w_close.gif

124 ms

header_bg.gif

header_bg.gif

127 ms

g_close.gif

g_close.gif

126 ms

indicator.gif

indicator.gif

126 ms

w_close.gif

w_close.gif

127 ms

header_bg.gif

header_bg.gif

126 ms

g_close.gif

g_close.gif

178 ms

indicator.gif

indicator.gif

302 ms

Accessibility Review

kotelnikov.biz accessibility score

46

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

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

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

Best Practices

kotelnikov.biz best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

High

Page has valid source maps

SEO Factors

kotelnikov.biz SEO score

67

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

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    WINDOWS-1252

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Kotelnikov.biz can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Kotelnikov.biz main page’s claimed encoding is windows-1252. 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

kotelnikov.biz

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