Tools & Wizards About Us
digteh.ru screenshot

Report Summary

  • 40

    Performance

    Renders faster than
    59% of other websites

  • 67

    Accessibility

    Visual factors better than
    that of 32% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

digteh.ru

Цифровая техника в радиосвязи

Page Load Speed

4.8 sec in total

First Response

574 ms

Resources Loaded

4 sec

Page Rendered

255 ms

digteh.ru screenshot

About Website

Welcome to digteh.ru homepage info - get ready to check Digteh best content for Russia right away, or after learning these important things about digteh.ru

Цифровые устройства в технике связи. Сайт с учебными материалами для студентов и инженеров

Visit digteh.ru

Key Findings

We analyzed Digteh.ru page load time and found that the first response time was 574 ms and then it took 4.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

digteh.ru performance score

40

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.1 s

46/100

10%

LCP (Largest Contentful Paint)

Value3.1 s

75/100

25%

SI (Speed Index)

Value9.0 s

14/100

10%

TBT (Total Blocking Time)

Value4,720 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value33.7 s

0/100

10%

Network Requests Diagram

digteh.ru

574 ms

digteh.ru

605 ms

main_info.css

143 ms

context.js

975 ms

js

55 ms

Our browser made a total of 54 requests to load all elements on the main page. We found that 15% of them (8 requests) were addressed to the original Digteh.ru, 15% (8 requests) were made to Top-fwz1.mail.ru and 11% (6 requests) were made to St6-21.vk.com. The less responsive or slowest element that took the longest time to load (1.1 sec) relates to the external source St6-21.vk.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 105.6 kB (13%)

Content Size

834.7 kB

After Optimization

729.1 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Digteh.ru main page is 834.7 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. 50% of websites need less resources to load. Javascripts take 379.6 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 43.3 kB

  • Original 58.0 kB
  • After minification 56.3 kB
  • After compression 14.7 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 43.3 kB or 75% of the original size.

Image Optimization

-18%

Potential reduce by 8.8 kB

  • Original 49.4 kB
  • After minification 40.6 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. Obviously, Digteh needs image optimization as it can save up to 8.8 kB or 18% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-7%

Potential reduce by 26.2 kB

  • Original 379.6 kB
  • After minification 379.6 kB
  • After compression 353.4 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

-8%

Potential reduce by 27.3 kB

  • Original 347.7 kB
  • After minification 347.7 kB
  • After compression 320.4 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. Digteh.ru has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 37 (74%)

Requests Now

50

After Optimization

13

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 50 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Digteh. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 21 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

digteh.ru

digteh.ru

574 ms

digteh.ru

digteh.ru

605 ms

main_info.css

main_info.css

143 ms

context.js

context.js

975 ms

js

js

55 ms

main.css

main.css

282 ms

openapi.318ba3d5a50b8d6990cb0284cb0e0963.js

openapi.318ba3d5a50b8d6990cb0284cb0e0963.js

256 ms

digteh.ru

digteh.ru

189 ms

logo

logo

703 ms

3_1_FFFFFFFF_EFEFEFFF_0_pageviews

3_1_FFFFFFFF_EFEFEFFF_0_pageviews

757 ms

map_v2.png

map_v2.png

179 ms

RSS.gif

RSS.gif

189 ms

1.jpg

1.jpg

349 ms

code.js

code.js

863 ms

watch.js

watch.js

68 ms

bg_dark_grey.png

bg_dark_grey.png

323 ms

hit

hit

695 ms

upload.gif

upload.gif

161 ms

widget_comments.php

widget_comments.php

335 ms

all.js

all.js

1040 ms

cse.js

cse.js

174 ms

ga.js

ga.js

120 ms

map_v2.png

map_v2.png

315 ms

advert.gif

advert.gif

610 ms

__utm.gif

__utm.gif

16 ms

collect

collect

28 ms

cse_element__ru.js

cse_element__ru.js

24 ms

default+ru.css

default+ru.css

78 ms

default.css

default.css

80 ms

async-ads.js

async-ads.js

31 ms

branding.png

branding.png

29 ms

clear.png

clear.png

26 ms

loader_nav2108513156_3.js

loader_nav2108513156_3.js

290 ms

fonts_cnt.c7a76efe.css

fonts_cnt.c7a76efe.css

1121 ms

lite.93f44416.css

lite.93f44416.css

813 ms

lang3_2.js

lang3_2.js

648 ms

c3d11fba.5504cac7.js

c3d11fba.5504cac7.js

669 ms

xdm.js

xdm.js

663 ms

base.ec2ae8ae.css

base.ec2ae8ae.css

685 ms

lite.bcf10ece3464fec8b554bde483fa2494.js

lite.bcf10ece3464fec8b554bde483fa2494.js

305 ms

counter2

counter2

133 ms

sync-loader.js

sync-loader.js

750 ms

dyn-goal-config.js

dyn-goal-config.js

128 ms

counter

counter

127 ms

1

1

129 ms

jquery.min.js

jquery.min.js

489 ms

upload.gif

upload.gif

88 ms

counter

counter

124 ms

dyn-goal-config.js

dyn-goal-config.js

125 ms

suggest.js

suggest.js

96 ms

opensearch.js

opensearch.js

201 ms

search.png

search.png

274 ms

tracker

tracker

125 ms

tracker

tracker

125 ms

Accessibility Review

digteh.ru accessibility score

67

Accessibility Issues

ARIA

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.

Impact

Issue

High

[role] values are not valid

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

Form elements do not have associated labels

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

digteh.ru best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

SEO Factors

digteh.ru SEO score

100

Search Engine Optimization Advices

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

    WINDOWS-1251

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Digteh.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 Digteh.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

digteh.ru

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