Report Summary

  • 26

    Performance

    Renders faster than
    46% of other websites

  • 77

    Accessibility

    Visual factors better than
    that of 45% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

life-prog.ru

Языки программирования — Life-Prog

Page Load Speed

3 sec in total

First Response

613 ms

Resources Loaded

2 sec

Page Rendered

369 ms

life-prog.ru screenshot

About Website

Visit life-prog.ru now to see the best up-to-date Life Prog content for Russia and also check out these interesting facts you probably never knew about life-prog.ru

Рассмотрено программирование. Языки программирования Java, Паскаль, Ассемблер, Си, Си Шарп, Матлаб, PHP. Программирование под Windows, ООП, примеры программ

Visit life-prog.ru

Key Findings

We analyzed Life-prog.ru page load time and found that the first response time was 613 ms and then it took 2.4 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

life-prog.ru performance score

26

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.1 s

83/100

10%

LCP (Largest Contentful Paint)

Value19.4 s

0/100

25%

SI (Speed Index)

Value10.9 s

6/100

10%

TBT (Total Blocking Time)

Value890 ms

32/100

30%

CLS (Cumulative Layout Shift)

Value0.267

46/100

15%

TTI (Time to Interactive)

Value22.5 s

1/100

10%

Network Requests Diagram

life-prog.ru

613 ms

style.css

255 ms

cnt.share.js

51 ms

adsbygoogle.js

51 ms

header3.jpg

426 ms

Our browser made a total of 43 requests to load all elements on the main page. We found that 21% of them (9 requests) were addressed to the original Life-prog.ru, 19% (8 requests) were made to Google.com and 9% (4 requests) were made to Pagead2.googlesyndication.com. The less responsive or slowest element that took the longest time to load (753 ms) relates to the external source Connect.mail.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 86.1 kB (23%)

Content Size

381.2 kB

After Optimization

295.1 kB

In fact, the total size of Life-prog.ru main page is 381.2 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. Images take 154.5 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 60.3 kB

  • Original 79.4 kB
  • After minification 77.5 kB
  • After compression 19.2 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 60.3 kB or 76% of the original size.

Image Optimization

-3%

Potential reduce by 5.1 kB

  • Original 154.5 kB
  • After minification 149.4 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. Life Prog images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 1.3 kB

  • Original 123.5 kB
  • After minification 123.3 kB
  • After compression 122.2 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

-82%

Potential reduce by 19.4 kB

  • Original 23.7 kB
  • After minification 19.2 kB
  • After compression 4.4 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. Life-prog.ru needs all CSS files to be minified and compressed as it can save up to 19.4 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 19 (49%)

Requests Now

39

After Optimization

20

The browser has sent 39 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Life Prog. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

life-prog.ru accessibility score

77

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

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

High

Image elements do not have [alt] attributes

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

life-prog.ru best practices score

67

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

High

Missing source maps for large first-party JavaScript

SEO Factors

life-prog.ru SEO score

69

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

Image elements do not have [alt] attributes

Language and Encoding

  • Language Detected

    RU

  • Language Claimed

    N/A

  • Encoding

    WINDOWS-1251

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Life-prog.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 Life-prog.ru main page’s claimed encoding is windows-1251. 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 Life Prog. 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: