Tools & Wizards About Us
katon-spb.ru screenshot

Report Summary

  • 20

    Performance

    Renders faster than
    37% of other websites

  • 59

    Accessibility

    Visual factors better than
    that of 26% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 62

    SEO

    Google-friendlier than
    23% of websites

katon-spb.ru

Бухгалтерские курсы для начинающих в Санкт-Петербурге. Повышение квалификации бухгалтеров

Page Load Speed

7.2 sec in total

First Response

576 ms

Resources Loaded

5.9 sec

Page Rendered

779 ms

katon-spb.ru screenshot

About Website

Click here to check amazing Katon Spb content. Otherwise, check out these important facts you probably never knew about katon-spb.ru

Записаться на бухгалтерские курсы для начинающих в Санкт-Петербурге, или для повышения квалификации вы можете на сайте школы бухгалтеров «Аристек», где также есть отзывы слушателей курсов.

Visit katon-spb.ru

Key Findings

We analyzed Katon-spb.ru page load time and found that the first response time was 576 ms and then it took 6.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

katon-spb.ru performance score

20

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.0 s

23/100

10%

LCP (Largest Contentful Paint)

Value20.5 s

0/100

25%

SI (Speed Index)

Value11.8 s

4/100

10%

TBT (Total Blocking Time)

Value1,820 ms

9/100

30%

CLS (Cumulative Layout Shift)

Value0.043

99/100

15%

TTI (Time to Interactive)

Value22.1 s

1/100

10%

Network Requests Diagram

katon-spb.ru

576 ms

www.aristek.ru

577 ms

www.aristek.ru

649 ms

ga.js

28 ms

style.css

145 ms

Our browser made a total of 100 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Katon-spb.ru, 71% (71 requests) were made to Aristek.ru and 7% (7 requests) were made to Yastatic.net. The less responsive or slowest element that took the longest time to load (1.6 sec) relates to the external source Aristek.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 363.6 kB (15%)

Content Size

2.5 MB

After Optimization

2.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Katon-spb.ru main page is 2.5 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. 60% of websites need less resources to load. Images take 1.6 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 127.2 kB

  • Original 156.1 kB
  • After minification 154.2 kB
  • After compression 28.9 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 127.2 kB or 81% of the original size.

Image Optimization

-3%

Potential reduce by 45.6 kB

  • Original 1.6 MB
  • After minification 1.5 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. Katon Spb images are well optimized though.

JavaScript Optimization

-24%

Potential reduce by 176.7 kB

  • Original 746.8 kB
  • After minification 746.8 kB
  • After compression 570.1 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 176.7 kB or 24% of the original size.

CSS Optimization

-32%

Potential reduce by 14.1 kB

  • Original 44.0 kB
  • After minification 43.7 kB
  • After compression 29.9 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. Katon-spb.ru needs all CSS files to be minified and compressed as it can save up to 14.1 kB or 32% of the original size.

Requests Breakdown

Number of requests can be reduced by 34 (38%)

Requests Now

90

After Optimization

56

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 90 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Katon Spb. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 23 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

katon-spb.ru

katon-spb.ru

576 ms

www.aristek.ru

www.aristek.ru

577 ms

www.aristek.ru

www.aristek.ru

649 ms

ga.js

ga.js

28 ms

style.css

style.css

145 ms

whhg.css

whhg.css

292 ms

jquery.fancybox-1.3.4.css

jquery.fancybox-1.3.4.css

417 ms

swiper.min.css

swiper.min.css

418 ms

logo.png

logo.png

484 ms

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610 ms

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483 ms

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484 ms

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687 ms

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691 ms

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611 ms

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755 ms

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615 ms

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750 ms

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748 ms

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756 ms

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824 ms

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828 ms

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885 ms

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890 ms

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895 ms

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897 ms

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961 ms

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964 ms

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1022 ms

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1032 ms

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1035 ms

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1038 ms

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1098 ms

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1101 ms

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1159 ms

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1172 ms

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1176 ms

doc-1.jpg

doc-1.jpg

1178 ms

doc-2.jpg

doc-2.jpg

1235 ms

812 ms

es5-shims.min.js

es5-shims.min.js

557 ms

share.js

share.js

773 ms

js

js

94 ms

jquery.js

jquery.js

1244 ms

__utm.gif

__utm.gif

15 ms

collect

collect

24 ms

ga-audiences

ga-audiences

75 ms

jquery.reveal.js

jquery.reveal.js

1156 ms

jquery.mask.js

jquery.mask.js

1025 ms

jquery.scrollspy.js

jquery.scrollspy.js

909 ms

jquery.fancybox-1.3.4.pack.js

jquery.fancybox-1.3.4.pack.js

853 ms

swiper.jquery.min.js

swiper.jquery.min.js

897 ms

jquery.hcsticky.js

jquery.hcsticky.js

904 ms

jquery.smoth.js

jquery.smoth.js

954 ms

openapi.a2ed73393cad04481c1dfb3f7794921f.js

openapi.a2ed73393cad04481c1dfb3f7794921f.js

252 ms

jquery.main.js

jquery.main.js

848 ms

ProximaNovaRegular.woff

ProximaNovaRegular.woff

917 ms

NotoSerifRegular.woff

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1150 ms

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1391 ms

doc-3.jpg

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842 ms

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827 ms

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849 ms

2.png

2.png

850 ms

3.png

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906 ms

rtrg

rtrg

136 ms

hit

hit

526 ms

4.png

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888 ms

5.png

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914 ms

6.png

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862 ms

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910 ms

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957 ms

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987 ms

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928 ms

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961 ms

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918 ms

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957 ms

main-bg.jpg

main-bg.jpg

1556 ms

icon-menu.png

icon-menu.png

992 ms

blog-link.jpg

blog-link.jpg

968 ms

doc-bg.jpg

doc-bg.jpg

981 ms

quick-close.png

quick-close.png

966 ms

quick-open.png

quick-open.png

998 ms

arrows.png

arrows.png

1030 ms

watch.js

watch.js

69 ms

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250 ms

573 ms

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305 ms

tag.js

tag.js

778 ms

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548 ms

acf763b9fafc82e45544.css

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135 ms

303 ms

af38511f9dee6a6eabef.yandex.ru.js

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274 ms

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335 ms

watch.js

watch.js

3 ms

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203 ms

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1341 ms

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562 ms

1

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140 ms

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485 ms

bundle_ru_RU.js

bundle_ru_RU.js

232 ms

Accessibility Review

katon-spb.ru accessibility score

59

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

Buttons do not have an accessible name

High

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

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

katon-spb.ru best practices score

67

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

High

Page has valid source maps

SEO Factors

katon-spb.ru SEO score

62

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

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

    RU

  • Language Claimed

    N/A

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Katon-spb.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 Katon-spb.ru main page’s claimed encoding is iso-8859-1. 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

katon-spb.ru

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