Access radik.web-box.ru. Главная страница | Информационный сайт по физике и астрономии

name

value

score

weighting

FCP (First Contentful Paint)

Value4.1 s

22/100

10%

LCP (Largest Contentful Paint)

Value8.3 s

2/100

25%

SI (Speed Index)

Value7.0 s

32/100

10%

TBT (Total Blocking Time)

Value240 ms

85/100

30%

CLS (Cumulative Layout Shift)

Value0.776

5/100

15%

TTI (Time to Interactive)

Value10.6 s

23/100

10%

radik.web-box.ru

808 ms

amiro_sys_css.php

925 ms

jquery.min.js

615 ms

amiro_sys_js.php

1352 ms

emgen.js

804 ms

Our browser made a total of 63 requests to load all elements on the main page. We found that 46% of them (29 requests) were addressed to the original Radik.web-box.ru, 8% (5 requests) were made to Counter.yadro.ru and 5% (3 requests) were made to Google.com. The less responsive or slowest element that took the longest time to load (1.5 sec) belongs to the original domain Radik.web-box.ru.

Content Size

313.0 kB

After Optimization

191.3 kB

In fact, the total size of Radik.web-box.ru main page is 313.0 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. 45% of websites need less resources to load. Javascripts take 129.0 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 29.5 kB

Original 38.6 kB
After minification 35.9 kB
After compression 9.1 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 29.5 kB or 77% of the original size.

Image Optimization

-13%

Potential reduce by 6.7 kB

Original 49.7 kB
After minification 43.0 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, Radik Web Box needs image optimization as it can save up to 6.7 kB or 13% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-2%

Potential reduce by 2.4 kB

Original 129.0 kB
After minification 128.8 kB
After compression 126.6 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. This website has mostly compressed JavaScripts.

CSS Optimization

-87%

Potential reduce by 83.1 kB

Original 95.7 kB
After minification 77.6 kB
After compression 12.6 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. Radik.web-box.ru needs all CSS files to be minified and compressed as it can save up to 83.1 kB or 87% of the original size.

Requests Now

After Optimization

The browser has sent 49 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Radik Web Box. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Issues

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.

High

[aria-*] attributes do not match their roles

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 keyboard navigation in your application.

High

[id] attributes on active, focusable elements are not unique

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

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

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

High

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

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

High

Serves images with low resolution

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

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

High

Document uses plugins

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 Radik.web-box.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 Radik.web-box.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

radik.web-box.ru

Open Graph description is not detected on the main page of Radik Web Box. 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:

Report Summary

Performance

Accessibility

Best Practices

SEO

Главная страница | Информационный сайт по физике и астрономии

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

radik.web-box.ru

amiro_sys_css.php

jquery.min.js

amiro_sys_js.php

emgen.js

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

radik.web-box.ru

amiro_sys_css.php

jquery.min.js

amiro_sys_js.php

emgen.js

brand

adsbygoogle.js

brandjs.js

top100.jcn

amiro_sys_js.php

top100.jcn

index2.php

35121.png

pix.gif

w3.gif

button.png

body_left_1.gif

head_left.jpg

home.gif

sitemap.gif

654.jpg

head_right.jpg

body_ug_4.gif

body_ug_3.gif

000088.jpg

bodu_ug_2.gif

bodu_ug_1.gif

bottom_1.gif

bottom_2.gif

body_right_1.gif

body_bg_1.jpg

head_bg.jpg

index2.php

letter.gif

left_bg.gif

left_bot.gif

bg_menu.gif

body_bg_top.gif

cycounter

body_left.gif

body_right.gif

analytics.js

branding.png