Access 3v-service.ru. 3в Главная - 3В инженерные системы в Москве и Московской области

Report Summary

About Website

Click here to check amazing 3 V Service content for Russia. Otherwise, check out these important facts you probably never knew about 3v-service.ru

Главная - 3В инженерные системы в Москве и Московской области. Компания "3В инженерные системы" специализируется на предоставлении комплекса услуг по техническому консультированию, проектированию, мон...

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name

value

score

weighting

FCP (First Contentful Paint)

Value5.4 s

6/100

10%

LCP (Largest Contentful Paint)

Value6.9 s

6/100

25%

SI (Speed Index)

Value9.3 s

13/100

10%

TBT (Total Blocking Time)

Value210 ms

89/100

30%

CLS (Cumulative Layout Shift)

Value0.002

100/100

15%

TTI (Time to Interactive)

Value11.5 s

18/100

10%

3v-service.ru

1145 ms

3v-online.ru

988 ms

wp-emoji-release.min.js

112 ms

bootstrap.css

223 ms

frontend_main.css

330 ms

Our browser made a total of 84 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original 3v-service.ru, 87% (73 requests) were made to 3v-online.ru and 5% (4 requests) were made to Cdnjs.cloudflare.com. The less responsive or slowest element that took the longest time to load (1.2 sec) relates to the external source 3v-online.ru.

Content Size

4.5 MB

After Optimization

4.4 MB

In fact, the total size of 3v-service.ru main page is 4.5 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. 65% of websites need less resources to load. Images take 4.2 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 37.9 kB

Original 46.0 kB
After minification 39.9 kB
After compression 8.1 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. This page needs HTML code to be minified as it can gain 6.1 kB, which is 13% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 37.9 kB or 82% of the original size.

Image Optimization

-0%

Potential reduce by 747 B

Original 4.2 MB
After minification 4.2 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. 3 V Service images are well optimized though.

JavaScript Optimization

-9%

Potential reduce by 16.2 kB

Original 181.2 kB
After minification 180.1 kB
After compression 165.0 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

-17%

Potential reduce by 7.5 kB

Original 43.6 kB
After minification 43.6 kB
After compression 36.1 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. 3v-service.ru needs all CSS files to be minified and compressed as it can save up to 7.5 kB or 17% of the original size.

Requests Now

After Optimization

The browser has sent 66 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 3 V Service. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 19 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

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 the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

High

Links do not have a discernible name

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

Page has valid source maps

Search Engine Optimization Advices

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/).

High

Document uses legible font sizes

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 3v-service.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 3v-service.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

3v-service.ru

Open Graph data is detected on the main page of 3 V Service. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook:

Report Summary

Performance

Accessibility

Best Practices

SEO

3в Главная - 3В инженерные системы в Москве и Московской области

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)