Access pskovlib.ru. Псковская областная универсальная научная библиотека (ГБУК ПОУНБ)

name

value

score

weighting

FCP (First Contentful Paint)

Value4.2 s

20/100

10%

LCP (Largest Contentful Paint)

Value4.2 s

45/100

25%

SI (Speed Index)

Value10.8 s

6/100

10%

TBT (Total Blocking Time)

Value670 ms

45/100

30%

CLS (Cumulative Layout Shift)

Value0.314

37/100

15%

TTI (Time to Interactive)

Value9.4 s

31/100

10%

pskovlib.ru

2679 ms

1a9ad238246f1209a179a2a1657cbf5a.css

628 ms

icon

29 ms

ec3448ecd08aa3b7bf57e9c3e36c2668.js

623 ms

4b27b350c2f9281636f80083a939b12e.js

499 ms

Our browser made a total of 110 requests to load all elements on the main page. We found that 87% of them (96 requests) were addressed to the original Pskovlib.ru, 5% (5 requests) were made to Top-fwz1.mail.ru and 3% (3 requests) were made to Pos.gosuslugi.ru. The less responsive or slowest element that took the longest time to load (2.7 sec) belongs to the original domain Pskovlib.ru.

Content Size

2.1 MB

After Optimization

1.8 MB

In fact, the total size of Pskovlib.ru main page is 2.1 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. 60% of websites need less resources to load. Images take 1.5 MB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 129.6 kB

Original 150.2 kB
After minification 92.6 kB
After compression 20.6 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 57.6 kB, which is 38% 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 129.6 kB or 86% of the original size.

Image Optimization

-7%

Potential reduce by 100.7 kB

Original 1.5 MB
After minification 1.4 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. Pskovlib images are well optimized though.

JavaScript Optimization

-8%

Potential reduce by 21.9 kB

Original 258.4 kB
After minification 258.4 kB
After compression 236.5 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

-0%

Potential reduce by 401 B

Original 114.9 kB
After minification 114.9 kB
After compression 114.5 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. Pskovlib.ru has all CSS files already compressed.

Requests Now

108

After Optimization

The browser has sent 108 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Pskovlib. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 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 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

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.

These are opportunities to improve keyboard navigation in your application.

High

Some elements have a [tabindex] value greater than 0

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

Low

Detected JavaScript libraries

High

Page has valid source maps

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

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

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Pskovlib.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 Pskovlib.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

pskovlib.ru

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

Псковская областная универсальная научная библиотека (ГБУК ПОУНБ) - Главная

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

pskovlib.ru

1a9ad238246f1209a179a2a1657cbf5a.css

icon

ec3448ecd08aa3b7bf57e9c3e36c2668.js

4b27b350c2f9281636f80083a939b12e.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

pskovlib.ru

1a9ad238246f1209a179a2a1657cbf5a.css

icon

ec3448ecd08aa3b7bf57e9c3e36c2668.js

4b27b350c2f9281636f80083a939b12e.js

jquery.fancybox.min.css

catalog-styles2.min.css

script.min.js

libs.js

jquery.fancybox.min.js

bvi.min.js

ac5190eabb.js

spxl.js

swiper.min.js

logo.svg

logo-special.svg

osen-v-mixailovskom-500x300.jpg

80-let-psk-obl-baner-500x300.png

57c806de293fb_57c806de29443-500x300.jpg

afisha-banner-500x300.jpg

mbclogo-160x160.jpg

osenvmich2024-160x160.jpg

rostrik2024-160x160.jpeg

vichodniesknigoj-logo-160x160.jpg

kurbatov_orehov_5_kvadrat-160x160.png

yuriystarobinetslogo-160x160.jpg

litsaisudbylogo-160x160.jpg

vistdenkinologo-160x160.jpg

stasov1logo-160x160.jpg

edgardegalogo-160x160.jpg

gnesinalogo-160x160.jpg

fradkinlogo-160x160.jpg

djazz100424logo-160x160.jpg

meerholdlogo-160x160.jpg

juellogo-160x160.jpg

polsezan195-logo-160x160.jpg

80-let-psk-obl-160x160.jpg

den-russkogo-yazuka-160x160.jpg

minin-160x160.jpg

ekonomicheskay-kniga-160x160.jpg

maslenica-shaimardanov-160x160.jpg

5-marta-den-oboza-160x160.jpg

flag-psk-oblasti_1_1-160x160.jpg

_-_20240725_1111506969.jpg

190-_20231221_1152258785.jpg

_ii--______20231027_1403457817.jpg