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csdev.ru screenshot

Report Summary

  • 32

    Performance

    Renders faster than
    52% of other websites

  • 89

    Accessibility

    Visual factors better than
    that of 71% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 97

    SEO

    Google-friendlier than
    91% of websites

csdev.ru

Главная

Page Load Speed

5.8 sec in total

First Response

410 ms

Resources Loaded

4.4 sec

Page Rendered

1 sec

csdev.ru screenshot

About Website

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

Инженерные решения для цифровизации бизнеса. Создаем и внедряем инженерные технологии свыше 30 лет.

Visit csdev.ru

Key Findings

We analyzed Csdev.ru page load time and found that the first response time was 410 ms and then it took 5.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

csdev.ru performance score

32

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.2 s

20/100

10%

LCP (Largest Contentful Paint)

Value12.4 s

0/100

25%

SI (Speed Index)

Value7.9 s

23/100

10%

TBT (Total Blocking Time)

Value660 ms

45/100

30%

CLS (Cumulative Layout Shift)

Value0.099

90/100

15%

TTI (Time to Interactive)

Value15.8 s

6/100

10%

Network Requests Diagram

csdev.ru

410 ms

csdev.ru

1370 ms

717 ms

jquery.min.js

837 ms

jquery-migrate.min.js

694 ms

Our browser made a total of 72 requests to load all elements on the main page. We found that 67% of them (48 requests) were addressed to the original Csdev.ru, 29% (21 requests) were made to Csj.ru and 1% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (1.5 sec) belongs to the original domain Csdev.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 339.4 kB (14%)

Content Size

2.4 MB

After Optimization

2.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Csdev.ru main page is 2.4 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 60% of websites need less resources to load. Images take 2.1 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 43.1 kB

  • Original 52.8 kB
  • After minification 51.4 kB
  • After compression 9.7 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 43.1 kB or 82% of the original size.

Image Optimization

-14%

Potential reduce by 290.8 kB

  • Original 2.1 MB
  • After minification 1.9 MB

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, Csdev needs image optimization as it can save up to 290.8 kB or 14% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-4%

Potential reduce by 5.2 kB

  • Original 139.3 kB
  • After minification 139.3 kB
  • After compression 134.1 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

-1%

Potential reduce by 353 B

  • Original 50.5 kB
  • After minification 50.5 kB
  • After compression 50.2 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. Csdev.ru has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 19 (30%)

Requests Now

64

After Optimization

45

  • Images
  • JavaScript
  • CSS

The browser has sent 64 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Csdev. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

csdev.ru

csdev.ru

410 ms

csdev.ru

csdev.ru

1370 ms

717 ms

jquery.min.js

jquery.min.js

837 ms

jquery-migrate.min.js

jquery-migrate.min.js

694 ms

all.min.css

all.min.css

899 ms

magnific-popup.css

magnific-popup.css

706 ms

main.css

main.css

372 ms

main.add.css

main.add.css

791 ms

swiper.min.js

swiper.min.js

886 ms

buttons.min.css

buttons.min.css

885 ms

jquery.magnific-popup.min.js

jquery.magnific-popup.min.js

886 ms

masonry.pkgd.min.js

masonry.pkgd.min.js

886 ms

select2.full.min.js

select2.full.min.js

1016 ms

ru.js

ru.js

1015 ms

select2.min.css

select2.min.css

1015 ms

select2-bootstrap4.min.css

select2-bootstrap4.min.css

1016 ms

libs.min.js

libs.min.js

673 ms

main.add.js

main.add.js

528 ms

nl_mistake.js

nl_mistake.js

1017 ms

js

js

59 ms

logo_csdev.png

logo_csdev.png

265 ms

20240703_h.jpg

20240703_h.jpg

310 ms

20240314_2-2-h.png

20240314_2-2-h.png

560 ms

20231004_h.jpg

20231004_h.jpg

440 ms

bg-2.png

bg-2.png

405 ms

cadlib_namelogo2.png

cadlib_namelogo2.png

506 ms

modelstudiocs_namelogo2.png

modelstudiocs_namelogo2.png

634 ms

plantracer_namelogo2.png

plantracer_namelogo2.png

763 ms

poligonsoft_namelogo2.png

poligonsoft_namelogo2.png

635 ms

tdms_namelogo2.png

tdms_namelogo2.png

635 ms

technologics_namelogo3.png

technologics_namelogo3.png

763 ms

news_20230719_h.png

news_20230719_h.png

762 ms

20240719_h.png

20240719_h.png

1134 ms

20240711_h.jpg

20240711_h.jpg

763 ms

20240711_h.jpg

20240711_h.jpg

808 ms

20240710_h.jpg

20240710_h.jpg

906 ms

20240708_h.png

20240708_h.png

1151 ms

20240705_h.png

20240705_h.png

914 ms

20240703_1_h.jpg

20240703_1_h.jpg

916 ms

20240703_h.jpg

20240703_h.jpg

940 ms

20240702_h.png

20240702_h.png

1236 ms

clients-01.png

clients-01.png

1049 ms

clients-02.png

clients-02.png

1054 ms

clients-03.png

clients-03.png

1080 ms

clients-04.png

clients-04.png

1184 ms

clients-05.png

clients-05.png

1192 ms

clients-06.png

clients-06.png

1219 ms

clients-07.png

clients-07.png

1269 ms

clients-08.png

clients-08.png

1288 ms

clients-09.png

clients-09.png

1320 ms

clients-10.png

clients-10.png

1329 ms

clients-11.png

clients-11.png

1356 ms

clients-12.png

clients-12.png

1369 ms

clients-13.png

clients-13.png

1403 ms

clients-14.png

clients-14.png

1426 ms

clients-15.png

clients-15.png

1455 ms

nunito-sans.woff

nunito-sans.woff

281 ms

nunito-sans-700.woff

nunito-sans-700.woff

280 ms

nunito-sans-900.woff

nunito-sans-900.woff

271 ms

fa-light-300.woff

fa-light-300.woff

602 ms

fa-regular-400.woff

fa-regular-400.woff

602 ms

fa-solid-900.woff

fa-solid-900.woff

601 ms

nl_mistake.css

nl_mistake.css

396 ms

clients-16.png

clients-16.png

1208 ms

clients-17.png

clients-17.png

1188 ms

logo-2.png

logo-2.png

1102 ms

bg-1.jpg

bg-1.jpg

1098 ms

bg-3-1.jpg

bg-3-1.jpg

1190 ms

bg-3-2.jpg

bg-3-2.jpg

1033 ms

tag.js

tag.js

82 ms

advert.gif

advert.gif

793 ms

Accessibility Review

csdev.ru accessibility score

89

Accessibility Issues

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

Buttons do not have an accessible name

High

Links do not have a discernible name

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.

Best Practices

csdev.ru best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

csdev.ru SEO score

97

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    RU

  • Language Claimed

    RU

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Csdev.ru can be misinterpreted by Google and other search engines. Our service has detected that Russian is used on the page, and it matches the claimed language. Our system also found out that Csdev.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

csdev.ru

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