Access lms.biblioclub.ru. Центр профессионального обучения "Электронные курсы"

name

value

score

weighting

FCP (First Contentful Paint)

Value7.6 s

1/100

10%

LCP (Largest Contentful Paint)

Value11.8 s

0/100

25%

SI (Speed Index)

Value17.4 s

0/100

10%

TBT (Total Blocking Time)

Value11,400 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value64.8 s

0/100

10%

lms.biblioclub.ru

473 ms

1030 ms

css

41 ms

yui_combo.php

189 ms

all

858 ms

Our browser made a total of 56 requests to load all elements on the main page. We found that 80% of them (45 requests) were addressed to the original Lms.biblioclub.ru, 5% (3 requests) were made to Fonts.gstatic.com and 5% (3 requests) were made to App.chaport.com. The less responsive or slowest element that took the longest time to load (3.5 sec) relates to the external source Mc.yandex.com.

Content Size

4.1 MB

After Optimization

3.7 MB

In fact, the total size of Lms.biblioclub.ru main page is 4.1 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. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 3.9 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 73.9 kB

Original 90.1 kB
After minification 88.5 kB
After compression 16.3 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 73.9 kB or 82% of the original size.

Image Optimization

-9%

Potential reduce by 362.1 kB

Original 3.9 MB
After minification 3.6 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. Lms Biblioclub images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 7 B

Original 99.3 kB
After minification 99.3 kB
After compression 99.3 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.

Requests Now

After Optimization

The browser has sent 48 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Lms Biblioclub. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 17 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

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.

High

[role]s are not contained by their required parent element

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 keyboard navigation in your application.

High

Heading elements are not in a sequentially-descending order

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

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Areas of Improvement

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

Search Engine Optimization Advices

To appear in search results, crawlers need access to your app.

High

Links are not crawlable

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 Lms.biblioclub.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 Lms.biblioclub.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

lms.biblioclub.ru

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

Report Summary

Performance

Accessibility

Best Practices

SEO

Центр профессионального обучения "Электронные курсы"

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)

Network Requests Diagram

lms.biblioclub.ru

css

yui_combo.php

all

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

lms.biblioclub.ru

css

yui_combo.php

all

polyfill.min.js

polyfill.js

yui_combo.php

jquery-3.5.1.min.js

javascript-static.js

require.min.js

superfish.custom.js

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