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Report Summary

About Website

Click here to check amazing Contextgen content for Russia. Otherwise, check out these important facts you probably never knew about contextgen.ru

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name

value

score

weighting

FCP (First Contentful Paint)

Value4.2 s

19/100

10%

LCP (Largest Contentful Paint)

Value18.8 s

0/100

25%

SI (Speed Index)

Value8.1 s

21/100

10%

TBT (Total Blocking Time)

Value4,550 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.025

100/100

15%

TTI (Time to Interactive)

Value21.3 s

1/100

10%

contextgen.ru

971 ms

main.js

30 ms

vP9vc_h_wa8

265 ms

logotype.png

371 ms

thumbnail.php

661 ms

Our browser made a total of 62 requests to load all elements on the main page. We found that 82% of them (51 requests) were addressed to the original Contextgen.ru, 3% (2 requests) were made to S.ytimg.com and 3% (2 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (1.7 sec) belongs to the original domain Contextgen.ru.

Content Size

1.1 MB

After Optimization

896.6 kB

In fact, the total size of Contextgen.ru main page is 1.1 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. 55% of websites need less resources to load. Images take 880.0 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 63.0 kB

Original 76.5 kB
After minification 61.0 kB
After compression 13.6 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 15.5 kB, which is 20% 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 63.0 kB or 82% of the original size.

Image Optimization

-3%

Potential reduce by 27.4 kB

Original 880.0 kB
After minification 852.7 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. Contextgen images are well optimized though.

JavaScript Optimization

-60%

Potential reduce by 32.2 kB

Original 53.4 kB
After minification 53.3 kB
After compression 21.2 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 32.2 kB or 60% of the original size.

CSS Optimization

-89%

Potential reduce by 72.6 kB

Original 81.8 kB
After minification 81.7 kB
After compression 9.2 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. Contextgen.ru needs all CSS files to be minified and compressed as it can save up to 72.6 kB or 89% of the original size.

Requests Now

After Optimization

The browser has sent 54 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Contextgen. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts 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

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

High

Image elements do not have [alt] attributes

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

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

Search Engine Optimization Advices

Format your HTML in a way that enables crawlers to better understand your app’s content.

High

Image elements do not have [alt] attributes

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

EN
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Contextgen.ru can be misinterpreted by Google and other search engines. Our service has detected that Russian is used on the page, and it does not match the claimed English language. Our system also found out that Contextgen.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

contextgen.ru

Open Graph data is detected on the main page of Contextgen. 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

Срок регистрации домена contextgen.ru истёк

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)