Access lib.misto.kiev.ua. КГБ: Киевская городская библиотека / Каталог онлайн книг

name

value

score

weighting

FCP (First Contentful Paint)

Value2.2 s

76/100

10%

LCP (Largest Contentful Paint)

Value3.1 s

75/100

25%

SI (Speed Index)

Value15.7 s

0/100

10%

TBT (Total Blocking Time)

Value8,440 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.311

37/100

15%

TTI (Time to Interactive)

Value32.0 s

0/100

10%

lib.misto.kiev.ua

1427 ms

lib.css

1134 ms

libsite.js

990 ms

21499.js

258 ms

watch.js

2 ms

Our browser made a total of 155 requests to load all elements on the main page. We found that 2% of them (3 requests) were addressed to the original Lib.misto.kiev.ua, 8% (13 requests) were made to Acint.net and 8% (13 requests) were made to Sync.botscanner.com. The less responsive or slowest element that took the longest time to load (19.6 sec) relates to the external source Match.bridge.systems.

Content Size

1.5 MB

After Optimization

538.2 kB

In fact, the total size of Lib.misto.kiev.ua main page is 1.5 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. 45% of websites need less resources to load. Javascripts take 1.2 MB which makes up the majority of the site volume.

HTML Optimization

-71%

Potential reduce by 77.1 kB

Original 108.6 kB
After minification 108.4 kB
After compression 31.6 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. 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 77.1 kB or 71% of the original size.

Image Optimization

-3%

Potential reduce by 2.9 kB

Original 88.7 kB
After minification 85.8 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. Lib Misto images are well optimized though.

JavaScript Optimization

-68%

Potential reduce by 816.8 kB

Original 1.2 MB
After minification 1.2 MB
After compression 392.2 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 816.8 kB or 68% of the original size.

CSS Optimization

-56%

Potential reduce by 35.7 kB

Original 64.3 kB
After minification 64.3 kB
After compression 28.5 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.misto.kiev.ua needs all CSS files to be minified and compressed as it can save up to 35.7 kB or 56% of the original size.

Requests Now

129

After Optimization

The browser has sent 129 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Lib Misto. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 46 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 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

High

Links do not have a discernible name

These are opportunities to improve keyboard navigation in your application.

High

Heading elements are not in a sequentially-descending order

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

High

Tap targets are not sized appropriately

Language and Encoding

Language Detected

RU
Language Claimed

RU
Encoding

WINDOWS-1251

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Lib.misto.kiev.ua 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 Lib.misto.kiev.ua main page’s claimed encoding is windows-1251. 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.

Social Sharing Optimization

lib.misto.kiev.ua

Open Graph description is not detected on the main page of Lib Misto. 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

КГБ: Киевская городская библиотека / Каталог онлайн книг

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.misto.kiev.ua

lib.css

libsite.js

21499.js

watch.js

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.misto.kiev.ua

lib.css

libsite.js

21499.js

watch.js

addthis_widget.js

urchin.js

lib_qr.png

top100.cnt

blue_rus.gif

logo.png

spacer.gif

content16.png

rotaban.js

aci.js

hit

rontar2_async.js

embed.js

__utm.gif

300lo.json

ru.js

counter.270bdfcf33bafb0fc8fc.js

sh.953eb77977227bfd253ee158.html

shares.json

d920cc7e1d1e4480801e8b288c54535a.js

stat.php

print.css

event.gif

hit

3_3_6.png

lounge.load.d074862f091cd9585b295f3979a4eb15.js

lounge.f668c82e65f78693a6a62a5c7d3e54b8.css

config.js

common.bundle.2604ea86c00f3bcc98e8fdc57114c1cc.js

ru.js

lounge.bundle.453d0281788b539960d8683df769dd95.js

cnysSP

sync

cm.gif

render.v1.js

cnysSP

148360.js

imp.gif