3.7 sec in total
382 ms
3.1 sec
207 ms
Welcome to nplu.org homepage info - get ready to check Nplu best content for Ukraine right away, or after learning these important things about nplu.org
Національна бібліотека України імені Ярослава Мудрого – провідний державний культурний, освітній, науково-інформаційний заклад. Це загальнодоступна установа з універсальними за змістом фондами, яка об...
Visit nplu.orgWe analyzed Nplu.org page load time and found that the first response time was 382 ms and then it took 3.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.
nplu.org performance score
name
value
score
weighting
Value6.4 s
2/100
10%
Value10.3 s
0/100
25%
Value9.0 s
14/100
10%
Value470 ms
61/100
30%
Value0
100/100
15%
Value11.3 s
19/100
10%
382 ms
1132 ms
489 ms
365 ms
365 ms
Our browser made a total of 48 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Nplu.org, 94% (45 requests) were made to Nlu.org.ua and 2% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (1.1 sec) relates to the external source Nlu.org.ua.
Page size can be reduced by 370.7 kB (30%)
1.2 MB
866.2 kB
In fact, the total size of Nplu.org main page is 1.2 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. 30% of websites need less resources to load. Images take 769.7 kB which makes up the majority of the site volume.
Potential reduce by 41.8 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 41.8 kB or 83% of the original size.
Potential reduce by 35.9 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. Nplu images are well optimized though.
Potential reduce by 251.9 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 251.9 kB or 68% of the original size.
Potential reduce by 41.1 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. Nplu.org needs all CSS files to be minified and compressed as it can save up to 41.1 kB or 85% of the original size.
Number of requests can be reduced by 11 (24%)
46
35
The browser has sent 46 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Nplu. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.
nplu.org
382 ms
nlu.org.ua
1132 ms
style.css
489 ms
content.css
365 ms
material-icon.css
365 ms
tiny_mce.js
847 ms
jquery-1.12.4.min.js
599 ms
script.js
445 ms
script.js
490 ms
date.format.js
492 ms
CalendarBox.js
572 ms
highslide-with-gallery.js
731 ms
highslide.css
732 ms
js
74 ms
element.js
40 ms
ict_bg.jpg
132 ms
arrow_up.png
129 ms
facebook.png
130 ms
elib_logo.jpg
130 ms
web_logo.jpg
132 ms
profy.jpg
138 ms
wifi.png
257 ms
new.gif
258 ms
bibl.png
374 ms
2024052214393726.png
373 ms
2024052116011487.png
258 ms
2024052315451068.png
265 ms
2024051617003195.png
621 ms
ukc.jpg
854 ms
logo.jpg
283 ms
line.png
286 ms
line_hover_bot.png
399 ms
pathway.png
399 ms
vzvr.jpg
411 ms
mba.jpg
412 ms
obr_zvyaz.png
526 ms
ramka-t.png
527 ms
ramka-r.png
539 ms
ramka-b.png
540 ms
ramka-l.png
643 ms
ramka-tl.png
654 ms
ramka-tr.png
655 ms
ramka-br.png
662 ms
ramka-bl.png
666 ms
bgf.jpg
770 ms
menu_item.png
782 ms
glossy-dark.png
128 ms
loader.white.gif
126 ms
nplu.org accessibility score
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
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
Image elements do not have [alt] attributes
Links do not have a discernible name
nplu.org best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
nplu.org SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
robots.txt is not valid
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Image elements do not have [alt] attributes
UK
UK
ISO-8859-1
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Nplu.org 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 Nplu.org main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.
nplu.org
Open Graph description is not detected on the main page of Nplu. 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: