Access divers-team.ru. Курсы подводного плавания от дайвинг-центра DIVERS

name

value

score

weighting

FCP (First Contentful Paint)

Value3.4 s

36/100

10%

LCP (Largest Contentful Paint)

Value24.5 s

0/100

25%

SI (Speed Index)

Value9.7 s

11/100

10%

TBT (Total Blocking Time)

Value1,670 ms

11/100

30%

CLS (Cumulative Layout Shift)

Value0.029

100/100

15%

TTI (Time to Interactive)

Value18.8 s

3/100

10%

divers-team.ru

747 ms

normalize.min.css

181 ms

jquery.pwstabs-1.5.0.min.css

186 ms

jquery.fancybox.min.css

187 ms

animate.min.css

187 ms

Our browser made a total of 136 requests to load all elements on the main page. We found that 40% of them (54 requests) were addressed to the original Divers-team.ru, 40% (54 requests) were made to Core-renderer-tiles.maps.yandex.net and 5% (7 requests) were made to Api-maps.yandex.ru. The less responsive or slowest element that took the longest time to load (2.2 sec) relates to the external source Core-renderer-tiles.maps.yandex.net.

Content Size

8.1 MB

After Optimization

7.6 MB

In fact, the total size of Divers-team.ru main page is 8.1 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 7.1 MB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 269.5 kB

Original 364.7 kB
After minification 351.4 kB
After compression 95.2 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. 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 269.5 kB or 74% of the original size.

Image Optimization

-1%

Potential reduce by 38.7 kB

Original 7.1 MB
After minification 7.1 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

-18%

Potential reduce by 74.5 kB

Original 418.5 kB
After minification 418.5 kB
After compression 344.0 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 74.5 kB or 18% of the original size.

CSS Optimization

-66%

Potential reduce by 124.3 kB

Original 189.4 kB
After minification 152.8 kB
After compression 65.1 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 124.3 kB or 66% of the original size.

Requests Now

119

After Optimization

The browser has sent 119 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 33 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

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.

High

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

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

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

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 interpretation of your content by users in different locales.

High

<html> element does not have a [lang] attribute

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

High

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

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

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:

Report Summary

Performance

Accessibility

Best Practices

SEO

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

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

divers-team.ru

normalize.min.css

jquery.pwstabs-1.5.0.min.css

jquery.fancybox.min.css

animate.min.css

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

divers-team.ru

normalize.min.css

jquery.pwstabs-1.5.0.min.css

jquery.fancybox.min.css

animate.min.css

styles.min.css

select2.css

styles.css

css

tracker.css

cbk.css

059680c144f7f5467b673d6f89d1bc45.png

logo.png

divemaster-girl.png

core.js

protobuf.js

model.js

core_promise.js

rest.client.js

pull.client.js

jquery-1.11.1.min.js

jquery.inputmask.js

script.js

jquery.lazyload.min.js

jquery.transit.min.js

jquery.viewport.min.js

jquery.scrollTo.min.js

jquery.pwstabs-1.5.0.min.js

jquery.carouFredSel-6.0.4-packed.js

jquery.fancybox.pack.js

wow.min.js

masked-input.min.js

jquery.validate.min.js

jquery.flexslider.js

select2.min.js

main.js

html5.js

cbk.js

tracker.js

informer_close.png

img.bk.main.slide.0.png

img.bk.main.slide.1.png

img.bk.main.slide.2.png