Access security.opennet.ru. Проект OpenNet - всё, что связано с открытым ПО, открытыми технологиями, Linux, BSD и Unix

name

value

score

weighting

FCP (First Contentful Paint)

Value1.8 s

89/100

10%

LCP (Largest Contentful Paint)

Value2.5 s

90/100

25%

SI (Speed Index)

Value2.9 s

95/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.005

100/100

15%

TTI (Time to Interactive)

Value1.8 s

100/100

10%

security.opennet.ru

481 ms

index.shtml

579 ms

279 ms

opennet4.css

131 ms

opennet.css

259 ms

Our browser made a total of 19 requests to load all elements on the main page. We found that 5% of them (1 request) were addressed to the original Security.opennet.ru, 95% (18 requests) were made to Opennet.ru. The less responsive or slowest element that took the longest time to load (620 ms) relates to the external source Opennet.ru.

Content Size

121.7 kB

After Optimization

37.1 kB

In fact, the total size of Security.opennet.ru main page is 121.7 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. Only 10% of websites need less resources to load. HTML takes 81.2 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 62.8 kB

Original 81.2 kB
After minification 79.3 kB
After compression 18.3 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 62.8 kB or 77% of the original size.

Image Optimization

-47%

Potential reduce by 14.8 kB

Original 31.8 kB
After minification 17.0 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, Security Open Net needs image optimization as it can save up to 14.8 kB or 47% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

CSS Optimization

-79%

Potential reduce by 6.9 kB

Original 8.8 kB
After minification 6.1 kB
After compression 1.9 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. Security.opennet.ru needs all CSS files to be minified and compressed as it can save up to 6.9 kB or 79% of the original size.

Requests Now

After Optimization

The browser has sent 16 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Security Open Net. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

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

High

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

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.

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Areas of Improvement

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

Search Engine Optimization Advices

To appear in search results, crawlers need access to your app.

High

Links are not crawlable

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

High

Image elements do not have [alt] attributes

Language and Encoding

Language Detected

RU
Language Claimed

N/A
Encoding

KOI8-R

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Security.opennet.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 Security.opennet.ru main page’s claimed encoding is koi8-r. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

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