2 sec in total
277 ms
1.6 sec
154 ms
Click here to check amazing Open Dive content for Russia. Otherwise, check out these important facts you probably never knew about open-dive.ru
Заказать подводное снаряжение для дайвинга и охоты по выгодной стоимости в интернет-магазине Опендайв - акции и скидки, быстрая доставка, надёжные бренды
Visit open-dive.ruWe analyzed Open-dive.ru page load time and found that the first response time was 277 ms and then it took 1.7 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.
open-dive.ru performance score
name
value
score
weighting
Value6.8 s
2/100
10%
Value11.4 s
0/100
25%
Value13.7 s
2/100
10%
Value5,280 ms
0/100
30%
Value0.185
66/100
15%
Value23.7 s
1/100
10%
277 ms
476 ms
298 ms
411 ms
205 ms
Our browser made a total of 14 requests to load all elements on the main page. We found that all of those requests were addressed to Open-dive.ru and no external sources were called. The less responsive or slowest element that took the longest time to load (476 ms) belongs to the original domain Open-dive.ru.
Page size can be reduced by 72.1 kB (40%)
179.9 kB
107.8 kB
In fact, the total size of Open-dive.ru main page is 179.9 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. 15% of websites need less resources to load. Images take 124.9 kB which makes up the majority of the site volume.
Potential reduce by 5.5 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 5.5 kB or 67% of the original size.
Potential reduce by 28.0 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. Obviously, Open Dive needs image optimization as it can save up to 28.0 kB or 22% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 38.6 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. Open-dive.ru needs all CSS files to be minified and compressed as it can save up to 38.6 kB or 83% of the original size.
We found no issues to fix!
12
12
The browser has sent 12 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Open Dive. According to our analytics all requests are already optimized.
open-dive.ru
277 ms
www.open-dive.ru
476 ms
style.css
298 ms
jquery-1.3.2.min.js
411 ms
logo_big.png
205 ms
chrome_icon.png
108 ms
ff_icon.png
189 ms
opera_icon.png
208 ms
safari_icon.png
201 ms
ie_icon.png
202 ms
locker.jpg
209 ms
folder.jpg
376 ms
windows_logo.jpg
397 ms
download_btn.gif
289 ms
open-dive.ru accessibility score
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
Buttons do not have an accessible name
Image elements do not have [alt] attributes
Links do not have a discernible name
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Internationalization and localization
These are opportunities to improve the interpretation of your content by users in different locales.
Impact
Issue
<html> element does not have a [lang] attribute
Best practices
These items highlight common accessibility best practices.
Impact
Issue
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
open-dive.ru SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
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
Image elements do not have [alt] attributes
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
Document uses legible font sizes
RU
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Open-dive.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 Open-dive.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.
open-dive.ru
Open Graph description is not detected on the main page of Open Dive. 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: