Tools & Wizards About Us
sidorin.su screenshot

Report Summary

  • 34

    Performance

    Renders faster than
    54% of other websites

  • 78

    Accessibility

    Visual factors better than
    that of 45% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

sidorin.su

Персональный сайт Дмитрия Сидорина - биография, отзывы, работа, книги, публикации

Page Load Speed

4.1 sec in total

First Response

480 ms

Resources Loaded

2.7 sec

Page Rendered

907 ms

sidorin.su screenshot

About Website

Visit sidorin.su now to see the best up-to-date Sidorin content for Russia and also check out these interesting facts you probably never knew about sidorin.su

Узнайте все о Дмитрии Сидорине на его персональном сайте. Здесь вы найдете публикации, отзывы, информацию о его биографии, работе, книгах и многое другое. Дмитрий Сидорин - основатель Сидорин Лаб

Visit sidorin.su

Key Findings

We analyzed Sidorin.su page load time and found that the first response time was 480 ms and then it took 3.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

sidorin.su performance score

34

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.9 s

55/100

10%

LCP (Largest Contentful Paint)

Value15.1 s

0/100

25%

SI (Speed Index)

Value5.4 s

57/100

10%

TBT (Total Blocking Time)

Value540 ms

55/100

30%

CLS (Cumulative Layout Shift)

Value0.472

18/100

15%

TTI (Time to Interactive)

Value9.1 s

33/100

10%

Network Requests Diagram

sidorin.su

480 ms

sidorin.su

512 ms

bootstrap.min.css

117 ms

fancybox.css

227 ms

slider.css

318 ms

Our browser made a total of 51 requests to load all elements on the main page. We found that 90% of them (46 requests) were addressed to the original Sidorin.su, 8% (4 requests) were made to Use.fontawesome.com and 2% (1 request) were made to Mc.yandex.ru. The less responsive or slowest element that took the longest time to load (988 ms) belongs to the original domain Sidorin.su.

Page Optimization Overview & Recommendations

Page size can be reduced by 107.2 kB (2%)

Content Size

4.5 MB

After Optimization

4.4 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Sidorin.su main page is 4.5 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. Images take 4.2 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 41.3 kB

  • Original 50.4 kB
  • After minification 42.5 kB
  • After compression 9.2 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 7.9 kB, which is 16% 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 41.3 kB or 82% of the original size.

Image Optimization

-2%

Potential reduce by 63.6 kB

  • Original 4.2 MB
  • After minification 4.2 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. Sidorin images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 380 B

  • Original 160.4 kB
  • After minification 160.4 kB
  • After compression 160.0 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. This website has mostly compressed JavaScripts.

CSS Optimization

-4%

Potential reduce by 2.0 kB

  • Original 45.1 kB
  • After minification 44.8 kB
  • After compression 43.2 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. Sidorin.su has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 15 (34%)

Requests Now

44

After Optimization

29

  • Images
  • JavaScript
  • CSS

The browser has sent 44 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sidorin. 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 8 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

sidorin.su

sidorin.su

480 ms

sidorin.su

sidorin.su

512 ms

bootstrap.min.css

bootstrap.min.css

117 ms

fancybox.css

fancybox.css

227 ms

slider.css

slider.css

318 ms

style.css

style.css

319 ms

responsive.css

responsive.css

318 ms

jquery.js

jquery.js

436 ms

all.css

all.css

32 ms

default.css

default.css

329 ms

masked.js

masked.js

333 ms

slider.js

slider.js

423 ms

fancybox.js

fancybox.js

529 ms

script.js

script.js

426 ms

default.js

default.js

461 ms

jquery.jgrowl.min.css

jquery.jgrowl.min.css

110 ms

logo.svg

logo.svg

234 ms

sidorin.png

sidorin.png

736 ms

icons.svg

icons.svg

237 ms

sidorin-bg.jpg

sidorin-bg.jpg

238 ms

sidorin-bg_mobile.png

sidorin-bg_mobile.png

702 ms

JfsmdJr3_575x330_e9f.jpg

JfsmdJr3_575x330_e9f.jpg

321 ms

kJfnkrUe_575x330_e9f.jpg

kJfnkrUe_575x330_e9f.jpg

434 ms

vJferojc_575x330_e9f.jpg

vJferojc_575x330_e9f.jpg

326 ms

smi-logo.svg

smi-logo.svg

316 ms

forbes-logo.svg

forbes-logo.svg

422 ms

smi3.svg

smi3.svg

431 ms

book1.jpg

book1.jpg

433 ms

book2.jpg

book2.jpg

527 ms

book3.jpg

book3.jpg

539 ms

new.svg

new.svg

542 ms

bestseller.svg

bestseller.svg

544 ms

1_500x700_2b4.jpg

1_500x700_2b4.jpg

945 ms

2_500x700_2b4.jpg

2_500x700_2b4.jpg

756 ms

3_500x700_2b4.jpg

3_500x700_2b4.jpg

867 ms

4_500x700_2b4.jpg

4_500x700_2b4.jpg

759 ms

5_500x700_2b4.jpg

5_500x700_2b4.jpg

806 ms

6_500x700_2b4.jpg

6_500x700_2b4.jpg

841 ms

7_500x700_2b4.jpg

7_500x700_2b4.jpg

866 ms

8_500x700_2b4.jpg

8_500x700_2b4.jpg

988 ms

posle_inside_dop_m_4_1140x700_abf.jpeg

posle_inside_dop_m_4_1140x700_abf.jpeg

787 ms

Kfsdmrjef_1140x700_abf.jpeg

Kfsdmrjef_1140x700_abf.jpeg

822 ms

sidorin-bg_1140x700_d2e.jpg

sidorin-bg_1140x700_d2e.jpg

861 ms

ObjectSans-Regular.woff

ObjectSans-Regular.woff

740 ms

ObjectSans-Heavy.woff

ObjectSans-Heavy.woff

785 ms

fa-solid-900.woff

fa-solid-900.woff

16 ms

fa-regular-400.woff

fa-regular-400.woff

31 ms

fa-brands-400.woff

fa-brands-400.woff

43 ms

tag.js

tag.js

949 ms

jquery.form.min.js

jquery.form.min.js

805 ms

jquery.jgrowl.min.js

jquery.jgrowl.min.js

809 ms

Accessibility Review

sidorin.su accessibility score

78

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.

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

Form elements do not have associated labels

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

sidorin.su best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

sidorin.su 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

    RU

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sidorin.su 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 Sidorin.su 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

sidorin.su

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