Report Summary

  • 29

    Performance

    Renders faster than
    49% of other websites

  • 83

    Accessibility

    Visual factors better than
    that of 56% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

Page Load Speed

4.4 sec in total

First Response

431 ms

Resources Loaded

3.5 sec

Page Rendered

499 ms

oserebre.ru screenshot

About Website

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

Серебро - один из самых редких металлов на планете. Он обладает не только удивительной красотой, но и полезнейшими свойствами, которые способствуют его применению в разных сферах.

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Key Findings

We analyzed Oserebre.ru page load time and found that the first response time was 431 ms and then it took 4 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

oserebre.ru performance score

29

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.1 s

9/100

10%

LCP (Largest Contentful Paint)

Value7.2 s

5/100

25%

SI (Speed Index)

Value8.8 s

15/100

10%

TBT (Total Blocking Time)

Value860 ms

33/100

30%

CLS (Cumulative Layout Shift)

Value0.069

96/100

15%

TTI (Time to Interactive)

Value14.6 s

8/100

10%

Network Requests Diagram

oserebre.ru

431 ms

reset.css

101 ms

style.css

192 ms

resp.css

196 ms

jquery.min.js

43 ms

Our browser made a total of 71 requests to load all elements on the main page. We found that 82% of them (58 requests) were addressed to the original Oserebre.ru, 4% (3 requests) were made to Fonts.gstatic.com and 3% (2 requests) were made to Counter.yadro.ru. The less responsive or slowest element that took the longest time to load (1.9 sec) belongs to the original domain Oserebre.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 224.9 kB (25%)

Content Size

917.8 kB

After Optimization

692.8 kB

In fact, the total size of Oserebre.ru main page is 917.8 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. 40% of websites need less resources to load. Images take 626.5 kB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 27.0 kB

  • Original 36.2 kB
  • After minification 33.3 kB
  • After compression 9.3 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 27.0 kB or 74% of the original size.

Image Optimization

-4%

Potential reduce by 24.9 kB

  • Original 626.5 kB
  • After minification 601.6 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. Oserebre images are well optimized though.

JavaScript Optimization

-65%

Potential reduce by 137.1 kB

  • Original 209.4 kB
  • After minification 201.1 kB
  • After compression 72.4 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 137.1 kB or 65% of the original size.

CSS Optimization

-79%

Potential reduce by 36.0 kB

  • Original 45.6 kB
  • After minification 35.8 kB
  • After compression 9.6 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. Oserebre.ru needs all CSS files to be minified and compressed as it can save up to 36.0 kB or 79% of the original size.

Requests Breakdown

Number of requests can be reduced by 31 (50%)

Requests Now

62

After Optimization

31

The browser has sent 62 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Oserebre. 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 9 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

oserebre.ru accessibility score

83

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

Document doesn't have a <title> element

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

Best Practices

oserebre.ru best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

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

High

Browser errors were logged to the console

SEO Factors

oserebre.ru SEO score

77

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Document doesn't have a <title> element

High

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

High

Document uses legible font sizes

Language and Encoding

  • Language Detected

    RU

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Oserebre.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 Oserebre.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

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