Report Summary

  • 45

    Performance

    Renders faster than
    64% of other websites

  • 57

    Accessibility

    Visual factors better than
    that of 24% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 50

    SEO

    Google-friendlier than
    18% of websites

scubadiving.ru

SCUBA DIVING Снаряжение для дайвинга подводной охоты купить цена скидка компрессор водолазная помпа баллон купить в Москве по выгодной цене

Page Load Speed

4.5 sec in total

First Response

804 ms

Resources Loaded

3.2 sec

Page Rendered

511 ms

scubadiving.ru screenshot

About Website

Visit scubadiving.ru now to see the best up-to-date SCUBA DIVING content for Russia and also check out these interesting facts you probably never knew about scubadiving.ru

Scuba Diving RU Подводное снаряжение для дайвинга и подводной охоты, оборудование для подводного плавания с аквалангом купить цена

Visit scubadiving.ru

Key Findings

We analyzed Scubadiving.ru page load time and found that the first response time was 804 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 60% of websites can load faster.

Performance Metrics

scubadiving.ru performance score

45

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.6 s

94/100

10%

LCP (Largest Contentful Paint)

Value4.6 s

35/100

25%

SI (Speed Index)

Value3.1 s

93/100

10%

TBT (Total Blocking Time)

Value4,000 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value10.9 s

21/100

10%

Network Requests Diagram

scubadiving.ru

804 ms

stile.css

269 ms

baner.php

612 ms

scuba_diving_logo.gif

542 ms

strelka-krasnaja.gif

677 ms

Our browser made a total of 51 requests to load all elements on the main page. We found that 43% of them (22 requests) were addressed to the original Scubadiving.ru, 8% (4 requests) were made to Pagead2.googlesyndication.com and 8% (4 requests) were made to Yastatic.net. The less responsive or slowest element that took the longest time to load (888 ms) relates to the external source Imgs.smartresponder.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 203.4 kB (56%)

Content Size

364.7 kB

After Optimization

161.3 kB

In fact, the total size of Scubadiving.ru main page is 364.7 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. Javascripts take 211.4 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 79.0 kB

  • Original 96.5 kB
  • After minification 95.5 kB
  • After compression 17.5 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 79.0 kB or 82% of the original size.

Image Optimization

-6%

Potential reduce by 3.5 kB

  • Original 55.8 kB
  • After minification 52.3 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. SCUBA DIVING images are well optimized though.

JavaScript Optimization

-57%

Potential reduce by 120.1 kB

  • Original 211.4 kB
  • After minification 211.3 kB
  • After compression 91.3 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 120.1 kB or 57% of the original size.

CSS Optimization

-81%

Potential reduce by 775 B

  • Original 957 B
  • After minification 791 B
  • After compression 182 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. Scubadiving.ru needs all CSS files to be minified and compressed as it can save up to 775 B or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 15 (35%)

Requests Now

43

After Optimization

28

The browser has sent 43 CSS, Javascripts, AJAX and image requests in order to completely render the main page of SCUBA DIVING. 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 as a result speed up the page load time.

Accessibility Review

scubadiving.ru accessibility score

57

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

[aria-*] attributes do not match their roles

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

<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

High

<object> elements do not have alternate text

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

scubadiving.ru best practices score

67

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

Browser errors were logged to the console

SEO Factors

scubadiving.ru SEO score

50

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

High

Document uses plugins

Language and Encoding

  • Language Detected

    RU

  • Language Claimed

    N/A

  • Encoding

    WINDOWS-1251

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Scubadiving.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 Scubadiving.ru main page’s claimed encoding is windows-1251. 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

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