29.3 sec in total
1.8 sec
26.3 sec
1.2 sec
Welcome to osa-spb.ru homepage info - get ready to check Osa Spb best content for Russia right away, or after learning these important things about osa-spb.ru
Независимая экспертиза проводится нашими специалистами с использованием современного технического оборудования.
Visit osa-spb.ruWe analyzed Osa-spb.ru page load time and found that the first response time was 1.8 sec and then it took 27.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster. Unfortunately, there were 3 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.
osa-spb.ru performance score
name
value
score
weighting
Value10.5 s
0/100
10%
Value48.8 s
0/100
25%
Value26.8 s
0/100
10%
Value5,150 ms
1/100
30%
Value0.296
41/100
15%
Value111.2 s
0/100
10%
1789 ms
468 ms
1181 ms
467 ms
1406 ms
Our browser made a total of 133 requests to load all elements on the main page. We found that 36% of them (48 requests) were addressed to the original Osa-spb.ru, 9% (12 requests) were made to Vk.com and 8% (11 requests) were made to Apis.google.com. The less responsive or slowest element that took the longest time to load (20.4 sec) belongs to the original domain Osa-spb.ru.
Page size can be reduced by 1.3 MB (58%)
2.3 MB
992.2 kB
In fact, the total size of Osa-spb.ru main page is 2.3 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. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Javascripts take 929.5 kB which makes up the majority of the site volume.
Potential reduce by 353.8 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 353.8 kB or 87% of the original size.
Potential reduce by 17.3 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. Osa Spb images are well optimized though.
Potential reduce by 649.0 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 649.0 kB or 70% of the original size.
Potential reduce by 324.5 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. Osa-spb.ru needs all CSS files to be minified and compressed as it can save up to 324.5 kB or 87% of the original size.
Number of requests can be reduced by 62 (57%)
109
47
The browser has sent 109 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Osa Spb. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 41 to 1 for JavaScripts and from 17 to 1 for CSS and as a result speed up the page load time.
osa-spb.ru
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osa-spb.ru accessibility score
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
[aria-*] attributes do not match their roles
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
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
<frame> or <iframe> elements do not have a title
Links do not have a discernible name
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
osa-spb.ru best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Registers an unload listener
Detected JavaScript libraries
Browser errors were logged to the console
Issues were logged in the Issues panel in Chrome Devtools
osa-spb.ru SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
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
Document uses legible font sizes
RU
RU
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Osa-spb.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 Osa-spb.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.
osa-spb.ru
Open Graph description is not detected on the main page of Osa Spb. 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: