Tools & Wizards About Us
delfinary.ru screenshot

Report Summary

  • 9

    Performance

    Renders faster than
    23% of other websites

  • 75

    Accessibility

    Visual factors better than
    that of 41% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

delfinary.ru

Центр океанографии и морской биологии Дельфиния

Page Load Speed

5.4 sec in total

First Response

523 ms

Resources Loaded

4.6 sec

Page Rendered

258 ms

delfinary.ru screenshot

About Website

Click here to check amazing Delfinary content for Russia. Otherwise, check out these important facts you probably never knew about delfinary.ru

Невероятные прыжки и пируэты дельфинов. Величественные и грациозные полярные киты белухи. Аквариум с самым большим по протяженности подводным туннелем в Сибири.

Visit delfinary.ru

Key Findings

We analyzed Delfinary.ru page load time and found that the first response time was 523 ms and then it took 4.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

delfinary.ru performance score

9

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.0 s

10/100

10%

LCP (Largest Contentful Paint)

Value11.1 s

0/100

25%

SI (Speed Index)

Value7.0 s

32/100

10%

TBT (Total Blocking Time)

Value2,490 ms

4/100

30%

CLS (Cumulative Layout Shift)

Value0.461

19/100

15%

TTI (Time to Interactive)

Value14.5 s

8/100

10%

Network Requests Diagram

delfinary.ru

523 ms

delfinary.ru

1066 ms

style.css

129 ms

style.css

259 ms

style.css

381 ms

Our browser made a total of 58 requests to load all elements on the main page. We found that 81% of them (47 requests) were addressed to the original Delfinary.ru, 3% (2 requests) were made to Fonts.googleapis.com and 3% (2 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (1.6 sec) belongs to the original domain Delfinary.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 186.5 kB (57%)

Content Size

329.8 kB

After Optimization

143.3 kB

  • HTML
  • JavaScript

In fact, the total size of Delfinary.ru main page is 329.8 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. 45% of websites need less resources to load. HTML takes 216.9 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 182.7 kB

  • Original 216.9 kB
  • After minification 201.2 kB
  • After compression 34.2 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 182.7 kB or 84% of the original size.

JavaScript Optimization

-3%

Potential reduce by 3.8 kB

  • Original 113.0 kB
  • After minification 113.0 kB
  • After compression 109.1 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. This website has mostly compressed JavaScripts.

Requests Breakdown

Number of requests can be reduced by 37 (67%)

Requests Now

55

After Optimization

18

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 55 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Delfinary. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and from 17 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

delfinary.ru

delfinary.ru

523 ms

delfinary.ru

delfinary.ru

1066 ms

style.css

style.css

129 ms

style.css

style.css

259 ms

style.css

style.css

381 ms

style.css

style.css

381 ms

bootstrap.min.css

bootstrap.min.css

389 ms

slick.css

slick.css

387 ms

fotorama.css

fotorama.css

396 ms

style.css

style.css

404 ms

jquery.fancybox.css

jquery.fancybox.css

504 ms

booking-style.min.css

booking-style.min.css

505 ms

flexblock.css

flexblock.css

515 ms

sv.css

sv.css

515 ms

style.min.css

style.min.css

518 ms

style.min.css

style.min.css

536 ms

style.min.css

style.min.css

628 ms

core.min.js

core.min.js

883 ms

protobuf.min.js

protobuf.min.js

773 ms

model.min.js

model.min.js

642 ms

rest.client.min.js

rest.client.min.js

647 ms

pull.client.min.js

pull.client.min.js

669 ms

template_c6eff76eeb4b2357542911a956d9fd29_v1.js

template_c6eff76eeb4b2357542911a956d9fd29_v1.js

1259 ms

css

css

38 ms

order-dolphinarium.js

order-dolphinarium.js

771 ms

sv.js

sv.js

775 ms

snowfall.min.js

snowfall.min.js

802 ms

js

js

64 ms

css

css

19 ms

ba.js

ba.js

333 ms

Spinner.svg

Spinner.svg

131 ms

logo.png

logo.png

130 ms

ico_close.png

ico_close.png

161 ms

ico_menu.png

ico_menu.png

130 ms

e0e7c4c486f272083ff374d1f1d75861.jpg

e0e7c4c486f272083ff374d1f1d75861.jpg

910 ms

0d608e923fe56e8d1e22e8cea6db2ee4.jpg

0d608e923fe56e8d1e22e8cea6db2ee4.jpg

1606 ms

75e2f2bee72e3450f9ec022a71608685.jpg

75e2f2bee72e3450f9ec022a71608685.jpg

1393 ms

2cc9ddaa69a24cd1c4890c5815e50672.jpg

2cc9ddaa69a24cd1c4890c5815e50672.jpg

636 ms

ico_time.png

ico_time.png

260 ms

ico_tel.png

ico_tel.png

260 ms

block-wave.png

block-wave.png

389 ms

boble-min.png

boble-min.png

392 ms

77b828c6e3ef618d74d9a3e528695c95.jpg

77b828c6e3ef618d74d9a3e528695c95.jpg

645 ms

stars.png

stars.png

521 ms

ico_vk.png

ico_vk.png

652 ms

captcha.php

captcha.php

784 ms

1.png

1.png

777 ms

loading.png

loading.png

781 ms

tag.js

tag.js

784 ms

seats-new.svg

seats-new.svg

1081 ms

ico_slide_left.png

ico_slide_left.png

811 ms

arrow-left.png

arrow-left.png

934 ms

js

js

50 ms

analytics.js

analytics.js

25 ms

collect

collect

61 ms

bx_stat

bx_stat

190 ms

advert.gif

advert.gif

674 ms

sync_cookie_image_decide

sync_cookie_image_decide

148 ms

Accessibility Review

delfinary.ru accessibility score

75

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

High

ARIA input fields do not have accessible names

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

High

[aria-*] attributes do not have valid values

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

Links do not have a discernible name

Best Practices

delfinary.ru best practices score

75

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

SEO Factors

delfinary.ru SEO score

92

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

Language and Encoding

  • Language Detected

    RU

  • Language Claimed

    RU

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Delfinary.ru can be misinterpreted by Google and other search engines. Our service has detected that Russian is used on the page, and it matches the claimed language. Our system also found out that Delfinary.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

delfinary.ru

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