Tools & Wizards About Us
opensea.ru screenshot

Report Summary

  • 63

    Performance

    Renders faster than
    77% of other websites

  • 81

    Accessibility

    Visual factors better than
    that of 51% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 82

    SEO

    Google-friendlier than
    44% of websites

opensea.ru

Открытое море: магазин подводного снаряжения для дайверов и подводных охотников.

Page Load Speed

2.9 sec in total

First Response

599 ms

Resources Loaded

2.1 sec

Page Rendered

236 ms

opensea.ru screenshot

About Website

Welcome to opensea.ru homepage info - get ready to check Opensea best content for Russia right away, or after learning these important things about opensea.ru

Cайт магазинов подводного снаряжения Открытое море. Магазины расположены в Санкт-Петербурге, но работают по всей России. Обучение дайвингу в Санкт-Петербурге. Обучение фридайвингу в Санкт-Петербурге.

Visit opensea.ru

Key Findings

We analyzed Opensea.ru page load time and found that the first response time was 599 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

opensea.ru performance score

63

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.0 s

48/100

10%

LCP (Largest Contentful Paint)

Value8.4 s

2/100

25%

SI (Speed Index)

Value4.4 s

73/100

10%

TBT (Total Blocking Time)

Value140 ms

96/100

30%

CLS (Cumulative Layout Shift)

Value0.027

100/100

15%

TTI (Time to Interactive)

Value5.9 s

66/100

10%

Network Requests Diagram

opensea.ru

599 ms

ga.js

50 ms

style.css

144 ms

jshttprequest_clnt.js

272 ms

xs2ajaxrequest.js

268 ms

Our browser made a total of 42 requests to load all elements on the main page. We found that 74% of them (31 requests) were addressed to the original Opensea.ru, 10% (4 requests) were made to Site.yandex.net and 5% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Opensea.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 188.1 kB (27%)

Content Size

704.6 kB

After Optimization

516.5 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Opensea.ru main page is 704.6 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. 25% of websites need less resources to load. Images take 416.4 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 45.5 kB

  • Original 56.6 kB
  • After minification 42.0 kB
  • After compression 11.1 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. This page needs HTML code to be minified as it can gain 14.6 kB, which is 26% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 45.5 kB or 80% of the original size.

Image Optimization

-6%

Potential reduce by 23.5 kB

  • Original 416.4 kB
  • After minification 392.9 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. Opensea images are well optimized though.

JavaScript Optimization

-46%

Potential reduce by 89.8 kB

  • Original 197.3 kB
  • After minification 181.3 kB
  • After compression 107.5 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 89.8 kB or 46% of the original size.

CSS Optimization

-86%

Potential reduce by 29.4 kB

  • Original 34.3 kB
  • After minification 26.2 kB
  • After compression 4.9 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. Opensea.ru needs all CSS files to be minified and compressed as it can save up to 29.4 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 9 (23%)

Requests Now

39

After Optimization

30

  • Images
  • JavaScript
  • CSS

The browser has sent 39 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Opensea. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

opensea.ru

opensea.ru

599 ms

ga.js

ga.js

50 ms

style.css

style.css

144 ms

jshttprequest_clnt.js

jshttprequest_clnt.js

272 ms

xs2ajaxrequest.js

xs2ajaxrequest.js

268 ms

jquery.js

jquery.js

401 ms

script.js

script.js

272 ms

orphus.js

orphus.js

263 ms

__utm.gif

__utm.gif

21 ms

collect

collect

87 ms

baner.php

baner.php

565 ms

counter.php

counter.php

700 ms

login.png

login.png

211 ms

helm.png

helm.png

211 ms

cartmy.png

cartmy.png

210 ms

opensea_logo.png

opensea_logo.png

478 ms

380-89-80.png

380-89-80.png

201 ms

274-80-35.png

274-80-35.png

206 ms

os_comission.png

os_comission.png

476 ms

rss.png

rss.png

352 ms

visamaster.jpg

visamaster.jpg

355 ms

response.jpg

response.jpg

484 ms

top_d_.png

top_d_.png

598 ms

top_d1_.png

top_d1_.png

1056 ms

service.png

service.png

623 ms

useful_info.png

useful_info.png

777 ms

obuchenie_daivingu.png

obuchenie_daivingu.png

610 ms

go_diving.png

go_diving.png

746 ms

orphus.gif

orphus.gif

725 ms

vk.png

vk.png

735 ms

facebook.png

facebook.png

755 ms

twitter.jpg

twitter.jpg

852 ms

discount1.gif

discount1.gif

850 ms

book1.gif

book1.gif

862 ms

payment1.gif

payment1.gif

875 ms

delivery1.gif

delivery1.gif

884 ms

all.js

all.js

187 ms

watch.js

watch.js

3 ms

jquery.min.js

jquery.min.js

137 ms

suggest.js

suggest.js

48 ms

opensearch.js

opensearch.js

54 ms

yandex-hint-rb.png

yandex-hint-rb.png

43 ms

Accessibility Review

opensea.ru accessibility score

81

Accessibility Issues

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

Form elements do not have associated labels

Best Practices

opensea.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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

opensea.ru SEO score

82

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 doesn't use legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    RU

  • Language Claimed

    EN

  • Encoding

    UTF-8

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

opensea.ru

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