Report Summary

  • 19

    Performance

    Renders faster than
    36% of other websites

  • 62

    Accessibility

    Visual factors better than
    that of 28% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

onlinesafety.info

Курс безопасного пользования ресурсами сети Интернет

Page Load Speed

6.2 sec in total

First Response

531 ms

Resources Loaded

5.4 sec

Page Rendered

249 ms

About Website

Visit onlinesafety.info now to see the best up-to-date Onlinesafety content for Russia and also check out these interesting facts you probably never knew about onlinesafety.info

Мультимедийный учебный дистанционный курс безопасного пользования ресурсами сети Интернет

Visit onlinesafety.info

Key Findings

We analyzed Onlinesafety.info page load time and found that the first response time was 531 ms and then it took 5.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

onlinesafety.info performance score

19

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

68/100

10%

LCP (Largest Contentful Paint)

Value22.0 s

0/100

25%

SI (Speed Index)

Value11.0 s

6/100

10%

TBT (Total Blocking Time)

Value990 ms

27/100

30%

CLS (Cumulative Layout Shift)

Value0.396

25/100

15%

TTI (Time to Interactive)

Value21.8 s

1/100

10%

Network Requests Diagram

onlinesafety.info

531 ms

onlinesafety.info

561 ms

app.e359f27b.css

913 ms

app.bace6de9.js

2958 ms

analytics.js

21 ms

Our browser made a total of 15 requests to load all elements on the main page. We found that 87% of them (13 requests) were addressed to the original Onlinesafety.info, 13% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (3 sec) belongs to the original domain Onlinesafety.info.

Page Optimization Overview & Recommendations

Page size can be reduced by 2.7 MB (70%)

Content Size

3.9 MB

After Optimization

1.2 MB

In fact, the total size of Onlinesafety.info main page is 3.9 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. 20% of websites need less resources to load. Javascripts take 3.3 MB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 17.5 kB

  • Original 22.0 kB
  • After minification 20.4 kB
  • After compression 4.5 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 17.5 kB or 80% of the original size.

Image Optimization

-1%

Potential reduce by 6.5 kB

  • Original 475.1 kB
  • After minification 468.6 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. Onlinesafety images are well optimized though.

JavaScript Optimization

-79%

Potential reduce by 2.6 MB

  • Original 3.3 MB
  • After minification 3.3 MB
  • After compression 679.8 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 2.6 MB or 79% of the original size.

CSS Optimization

-84%

Potential reduce by 138.5 kB

  • Original 165.5 kB
  • After minification 165.1 kB
  • After compression 27.0 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. Onlinesafety.info needs all CSS files to be minified and compressed as it can save up to 138.5 kB or 84% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

12

After Optimization

12

The browser has sent 12 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Onlinesafety. According to our analytics all requests are already optimized.

Accessibility Review

onlinesafety.info accessibility score

62

Accessibility Issues

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

onlinesafety.info best practices score

83

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

Missing source maps for large first-party JavaScript

SEO Factors

onlinesafety.info SEO score

83

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

Content Best Practices

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

Impact

Issue

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 Onlinesafety.info 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 Onlinesafety.info 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 Onlinesafety. 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: