Access lib.npu.edu.ua. Наукова бібліотека УДУ імені Михайла Драгоманова

name

value

score

weighting

FCP (First Contentful Paint)

Value7.8 s

0/100

10%

LCP (Largest Contentful Paint)

Value14.1 s

0/100

25%

SI (Speed Index)

Value10.8 s

6/100

10%

TBT (Total Blocking Time)

Value1,020 ms

26/100

30%

CLS (Cumulative Layout Shift)

Value0.618

10/100

15%

TTI (Time to Interactive)

Value19.0 s

3/100

10%

lib.npu.edu.ua

402 ms

lib.udu.edu.ua

1570 ms

js

98 ms

gtm.js

139 ms

bootstrap.css

259 ms

Our browser made a total of 102 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Lib.npu.edu.ua, 79% (81 requests) were made to Lib.udu.edu.ua and 5% (5 requests) were made to Gstatic.com. The less responsive or slowest element that took the longest time to load (1.6 sec) relates to the external source Lib.udu.edu.ua.

Content Size

7.0 MB

After Optimization

6.4 MB

In fact, the total size of Lib.npu.edu.ua main page is 7.0 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 6.3 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 138.6 kB

Original 164.8 kB
After minification 145.2 kB
After compression 26.2 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 19.6 kB, which is 12% 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 138.6 kB or 84% of the original size.

Image Optimization

-7%

Potential reduce by 429.9 kB

Original 6.3 MB
After minification 5.9 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. Lib Npu images are well optimized though.

JavaScript Optimization

-3%

Potential reduce by 11.4 kB

Original 404.7 kB
After minification 404.6 kB
After compression 393.3 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.

CSS Optimization

-28%

Potential reduce by 32.4 kB

Original 116.1 kB
After minification 88.3 kB
After compression 83.8 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. Lib.npu.edu.ua needs all CSS files to be minified and compressed as it can save up to 32.4 kB or 28% of the original size.

Requests Now

After Optimization

The browser has sent 91 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Lib Npu. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 30 to 1 for JavaScripts and from 16 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

[aria-hidden="true"] elements contain focusable descendents

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

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

These items highlight common accessibility best practices.

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

Low

Detected JavaScript libraries

Search Engine Optimization Advices

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

High

Links are not crawlable

High

robots.txt is not valid

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

UK
Language Claimed

UK
Encoding

UTF-8

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

lib.npu.edu.ua

Open Graph data is detected on the main page of Lib Npu. 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

Наукова бібліотека УДУ імені Михайла Драгоманова | Головна

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

lib.npu.edu.ua

lib.udu.edu.ua

js

gtm.js

bootstrap.css

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

lib.npu.edu.ua

lib.udu.edu.ua

js

gtm.js

bootstrap.css

mainstyle.css

system.css

legacy-grid.css

font-awesome.min.css

template.css

megamenu.css

font-awesome.min.css

contactus_lightbox.css

st.carousel.css

865a8b929fe6b9c52e25e2b58498c551.css

font-awesome.min.css

wk-styles-bc654b27.css

greensock.js

jquery.min.js

jquery-noconflict.js

jquery-migrate.min.js

jquery.noconflict.js

stream.js

heatmap.js

caption.js

bootstrap.js

core.js

jquery.tap.min.js

script.js

menu.js

script.js

contactus_common.js

contactus_lightbox.js

api.js

st.carousel.min.js

perfect-scrollbar.js

mod_vertical_menu.js

accessibility.min.js

uikit2-8615c90e.js

wk-scripts-6e450a03.js

system.css

font-awesome.min.css

AvantGardeGothicMdITC-Reg.woff