Tools & Wizards About Us
life-prog.ru screenshot

Report Summary

  • 74

    Performance

    Renders faster than
    83% of other websites

  • 87

    Accessibility

    Visual factors better than
    that of 66% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

life-prog.ru

Языки программирования — Life-Prog

Page Load Speed

3.6 sec in total

First Response

454 ms

Resources Loaded

2.8 sec

Page Rendered

302 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 454 ms and then it took 3.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

life-prog.ru performance score

74

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.9 s

87/100

10%

LCP (Largest Contentful Paint)

Value2.5 s

90/100

25%

SI (Speed Index)

Value4.5 s

73/100

10%

TBT (Total Blocking Time)

Value590 ms

51/100

30%

CLS (Cumulative Layout Shift)

Value0.003

100/100

15%

TTI (Time to Interactive)

Value7.3 s

50/100

10%

Network Requests Diagram

life-prog.ru

454 ms

life-prog.ru

483 ms

style.css

117 ms

context.js

1079 ms

cse.js

50 ms

Our browser made a total of 21 requests to load all elements on the main page. We found that 38% of them (8 requests) were addressed to the original Life-prog.ru, 29% (6 requests) were made to Google.com and 10% (2 requests) were made to Cse.google.com. The less responsive or slowest element that took the longest time to load (1.1 sec) relates to the external source Yandex.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 31.7 kB (9%)

Content Size

362.4 kB

After Optimization

330.7 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Life-prog.ru main page is 362.4 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. 20% of websites need less resources to load. Javascripts take 251.4 kB which makes up the majority of the site volume.

HTML Optimization

-71%

Potential reduce by 24.6 kB

  • Original 34.4 kB
  • After minification 34.0 kB
  • After compression 9.8 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 24.6 kB or 71% of the original size.

Image Optimization

-4%

Potential reduce by 2.3 kB

  • Original 63.9 kB
  • After minification 61.6 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. Life Prog images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 1.0 kB

  • Original 251.4 kB
  • After minification 251.4 kB
  • After compression 250.4 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. This website has mostly compressed JavaScripts.

CSS Optimization

-30%

Potential reduce by 3.7 kB

  • Original 12.7 kB
  • After minification 12.7 kB
  • After compression 8.9 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. Life-prog.ru needs all CSS files to be minified and compressed as it can save up to 3.7 kB or 30% of the original size.

Requests Breakdown

Number of requests can be reduced by 4 (21%)

Requests Now

19

After Optimization

15

  • Images
  • JavaScript
  • CSS

The browser has sent 19 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 5 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

life-prog.ru

life-prog.ru

454 ms

life-prog.ru

life-prog.ru

483 ms

style.css

style.css

117 ms

context.js

context.js

1079 ms

cse.js

cse.js

50 ms

hit

hit

566 ms

tag.js

tag.js

859 ms

i.gif

i.gif

176 ms

header3.jpg

header3.jpg

407 ms

bullet_g.gif

bullet_g.gif

410 ms

untitled6465465.jpg

untitled6465465.jpg

410 ms

alex.gif

alex.gif

408 ms

cse_element__ru.js

cse_element__ru.js

25 ms

default+ru.css

default+ru.css

113 ms

default.css

default.css

124 ms

async-ads.js

async-ads.js

79 ms

branding.png

branding.png

22 ms

clear.png

clear.png

11 ms

nav_logo114.png

nav_logo114.png

11 ms

advert.gif

advert.gif

672 ms

sync_cookie_image_decide

sync_cookie_image_decide

138 ms

Accessibility Review

life-prog.ru accessibility score

87

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.

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

Best Practices

life-prog.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

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

life-prog.ru

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: