Report Summary

  • 67

    Performance

    Renders faster than
    79% of other websites

  • 95

    Accessibility

    Visual factors better than
    that of 86% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

divekatran.kiev.ua

Дайвінг у Києві та по всьому світу Дайвінг тури з Києва

Page Load Speed

2.9 sec in total

First Response

566 ms

Resources Loaded

2.2 sec

Page Rendered

144 ms

divekatran.kiev.ua screenshot

About Website

Click here to check amazing Divekatran content for Ukraine. Otherwise, check out these important facts you probably never knew about divekatran.kiev.ua

Клуб Katran – дайвінг у Києві та по всьому світу. Навчання дайвінгу, спорядження для підводного плавання, подорожі, школа підводного живопису Art Gallery Katran, професійна підводна відеозйомка

Visit divekatran.kiev.ua

Key Findings

We analyzed Divekatran.kiev.ua page load time and found that the first response time was 566 ms and then it took 2.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

divekatran.kiev.ua performance score

67

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.9 s

25/100

10%

LCP (Largest Contentful Paint)

Value5.2 s

23/100

25%

SI (Speed Index)

Value5.0 s

64/100

10%

TBT (Total Blocking Time)

Value80 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value4.7 s

79/100

10%

Network Requests Diagram

divekatran.kiev.ua

566 ms

core_k.css

130 ms

style.css

383 ms

jquery-ui-1.10.4.custom.min.css

260 ms

jquery-ui-1.10.4.custom.min.css

256 ms

Our browser made a total of 40 requests to load all elements on the main page. We found that 95% of them (38 requests) were addressed to the original Divekatran.kiev.ua, 5% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (902 ms) belongs to the original domain Divekatran.kiev.ua.

Page Optimization Overview & Recommendations

Page size can be reduced by 137.9 kB (11%)

Content Size

1.3 MB

After Optimization

1.2 MB

In fact, the total size of Divekatran.kiev.ua main page is 1.3 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 1.1 MB which makes up the majority of the site volume.

HTML Optimization

-72%

Potential reduce by 9.8 kB

  • Original 13.6 kB
  • After minification 13.0 kB
  • After compression 3.8 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 9.8 kB or 72% of the original size.

Image Optimization

-8%

Potential reduce by 85.2 kB

  • Original 1.1 MB
  • After minification 1.0 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. Divekatran images are well optimized though.

JavaScript Optimization

-15%

Potential reduce by 21.4 kB

  • Original 142.8 kB
  • After minification 142.8 kB
  • After compression 121.4 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 21.4 kB or 15% of the original size.

CSS Optimization

-40%

Potential reduce by 21.4 kB

  • Original 53.6 kB
  • After minification 53.6 kB
  • After compression 32.2 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. Divekatran.kiev.ua needs all CSS files to be minified and compressed as it can save up to 21.4 kB or 40% of the original size.

Requests Breakdown

Number of requests can be reduced by 11 (28%)

Requests Now

39

After Optimization

28

The browser has sent 39 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Divekatran. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

divekatran.kiev.ua accessibility score

95

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

Links do not have a discernible name

Best Practices

divekatran.kiev.ua best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

divekatran.kiev.ua SEO score

90

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

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    UK

  • Language Claimed

    RU

  • Encoding

    WINDOWS-1251

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Divekatran.kiev.ua can be misinterpreted by Google and other search engines. Our service has detected that Ukrainian is used on the page, and it does not match the claimed Russian language. Our system also found out that Divekatran.kiev.ua 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 Divekatran. 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: