Tools & Wizards About Us
divers-team.ru screenshot

Report Summary

  • 15

    Performance

    Renders faster than
    27% of other websites

  • 65

    Accessibility

    Visual factors better than
    that of 31% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

divers-team.ru

Курсы подводного плавания от дайвинг-центра DIVERS | Цена обучения дайвингу в Москве

Page Load Speed

34.2 sec in total

First Response

1 sec

Resources Loaded

24.8 sec

Page Rendered

8.4 sec

divers-team.ru screenshot

About Website

Click here to check amazing DIVERS Team content for Russia. Otherwise, check out these important facts you probably never knew about divers-team.ru

Дайвинг-центр DIVERS предлагает курсы подводного плавания в Москве. Мы предлагаем индивидуальное занятие по цене группового и возможность выбора из нескольких программ.

Visit divers-team.ru

Key Findings

We analyzed Divers-team.ru page load time and found that the first response time was 1 sec and then it took 33.2 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster. Unfortunately, there was 1 request timeout, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

divers-team.ru performance score

15

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value7.9 s

0/100

10%

LCP (Largest Contentful Paint)

Value33.6 s

0/100

25%

SI (Speed Index)

Value30.9 s

0/100

10%

TBT (Total Blocking Time)

Value44,970 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.019

100/100

15%

TTI (Time to Interactive)

Value58.6 s

0/100

10%

Network Requests Diagram

divers-team.ru

1014 ms

kernel_main.css

822 ms

template_f95b5ec44caafafb77a20b607111ab26.css

1008 ms

rifs.jpg

2821 ms

woman.png

6965 ms

Our browser made a total of 189 requests to load all elements on the main page. We found that 1% of them (2 requests) were addressed to the original Divers-team.ru, 37% (70 requests) were made to Divers.ru.opt-images.1c-bitrix-cdn.ru and 12% (23 requests) were made to Divers.ru.opt-css.1c-bitrix-cdn.ru. The less responsive or slowest element that took the longest time to load (20.1 sec) relates to the external source Divers.ru.opt-css.1c-bitrix-cdn.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 792.8 kB (9%)

Content Size

9.2 MB

After Optimization

8.4 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Divers-team.ru main page is 9.2 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. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 8.1 MB which makes up the majority of the site volume.

HTML Optimization

-72%

Potential reduce by 230.7 kB

  • Original 321.1 kB
  • After minification 301.8 kB
  • After compression 90.4 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 230.7 kB or 72% of the original size.

Image Optimization

-0%

Potential reduce by 19.4 kB

  • Original 8.1 MB
  • After minification 8.1 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. DIVERS Team images are well optimized though.

JavaScript Optimization

-68%

Potential reduce by 393.0 kB

  • Original 576.0 kB
  • After minification 566.8 kB
  • After compression 183.0 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 393.0 kB or 68% of the original size.

CSS Optimization

-88%

Potential reduce by 149.7 kB

  • Original 171.0 kB
  • After minification 156.0 kB
  • After compression 21.3 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. Divers-team.ru needs all CSS files to be minified and compressed as it can save up to 149.7 kB or 88% of the original size.

Requests Breakdown

Number of requests can be reduced by 35 (20%)

Requests Now

175

After Optimization

140

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 175 CSS, Javascripts, AJAX and image requests in order to completely render the main page of DIVERS Team. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 29 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

divers-team.ru

divers-team.ru

1014 ms

kernel_main.css

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822 ms

template_f95b5ec44caafafb77a20b607111ab26.css

template_f95b5ec44caafafb77a20b607111ab26.css

1008 ms

rifs.jpg

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2821 ms

woman.png

woman.png

6965 ms

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10880 ms

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Accessibility Review

divers-team.ru accessibility score

65

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

button, link, and menuitem elements do not have accessible names.

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

Form elements do not have associated labels

High

Links do not have a discernible name

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.

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

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Best Practices

divers-team.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

Missing source maps for large first-party JavaScript

SEO Factors

divers-team.ru SEO score

69

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

Language and Encoding

  • Language Detected

    RU

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Divers-team.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 Divers-team.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

divers-team.ru

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