Tools & Wizards About Us
pulib.sk screenshot

Report Summary

  • 50

    Performance

    Renders faster than
    68% of other websites

  • 82

    Accessibility

    Visual factors better than
    that of 52% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 62

    SEO

    Google-friendlier than
    23% of websites

pulib.sk

Univerzitná knižnica Prešovskej univerzity v Prešove

Page Load Speed

4.6 sec in total

First Response

349 ms

Resources Loaded

4.1 sec

Page Rendered

142 ms

pulib.sk screenshot

About Website

Visit pulib.sk now to see the best up-to-date Pulib content for Ukraine and also check out these interesting facts you probably never knew about pulib.sk

Univerzitná knižnica Prešovskej univerzity v Prešove

Visit pulib.sk

Key Findings

We analyzed Pulib.sk page load time and found that the first response time was 349 ms and then it took 4.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

pulib.sk performance score

50

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value8.0 s

0/100

10%

LCP (Largest Contentful Paint)

Value10.7 s

0/100

25%

SI (Speed Index)

Value8.0 s

22/100

10%

TBT (Total Blocking Time)

Value50 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.005

100/100

15%

TTI (Time to Interactive)

Value9.2 s

32/100

10%

Network Requests Diagram

pulib.sk

349 ms

uvodna-strana

264 ms

site.forms.css

109 ms

jquery.qtip.min.css

217 ms

semantic.min.css

1438 ms

Our browser made a total of 45 requests to load all elements on the main page. We found that 73% of them (33 requests) were addressed to the original Pulib.sk, 13% (6 requests) were made to Fonts.gstatic.com and 7% (3 requests) were made to Cdn.pulib.sk. The less responsive or slowest element that took the longest time to load (2.3 sec) relates to the external source Cdn.pulib.sk.

Page Optimization Overview & Recommendations

Page size can be reduced by 897.2 kB (72%)

Content Size

1.2 MB

After Optimization

348.1 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Pulib.sk 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. 35% of websites need less resources to load. CSS take 587.0 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 17.2 kB

  • Original 22.8 kB
  • After minification 22.3 kB
  • After compression 5.6 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 17.2 kB or 76% of the original size.

Image Optimization

-43%

Potential reduce by 82.7 kB

  • Original 193.5 kB
  • After minification 110.9 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. Obviously, Pulib needs image optimization as it can save up to 82.7 kB or 43% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-71%

Potential reduce by 313.3 kB

  • Original 442.0 kB
  • After minification 440.1 kB
  • After compression 128.8 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 313.3 kB or 71% of the original size.

CSS Optimization

-82%

Potential reduce by 484.1 kB

  • Original 587.0 kB
  • After minification 581.8 kB
  • After compression 102.9 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. Pulib.sk needs all CSS files to be minified and compressed as it can save up to 484.1 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 15 (42%)

Requests Now

36

After Optimization

21

  • Images
  • JavaScript
  • CSS

The browser has sent 36 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Pulib. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

pulib.sk

pulib.sk

349 ms

uvodna-strana

uvodna-strana

264 ms

site.forms.css

site.forms.css

109 ms

jquery.qtip.min.css

jquery.qtip.min.css

217 ms

semantic.min.css

semantic.min.css

1438 ms

site.style.css

site.style.css

432 ms

jquery.min.js

jquery.min.js

540 ms

jquery.vmenu.js

jquery.vmenu.js

325 ms

jquery.qtip.min.js

jquery.qtip.min.js

455 ms

jquery.qtip.bubbles.js

jquery.qtip.bubbles.js

354 ms

iframeResizer.contentWindow.min.js

iframeResizer.contentWindow.min.js

433 ms

semantic.min.js

semantic.min.js

1059 ms

app.js

app.js

537 ms

cookieconsent.css

cookieconsent.css

2277 ms

cookieconsent.js

cookieconsent.js

2338 ms

cookiescript.js

cookiescript.js

2174 ms

js

js

64 ms

css2

css2

29 ms

css

css

26 ms

logo_uk_170.png

logo_uk_170.png

108 ms

logo_pu.png

logo_pu.png

229 ms

bgr_main.jpg

bgr_main.jpg

216 ms

btn_divider.jpg

btn_divider.jpg

122 ms

flag_sk.jpg

flag_sk.jpg

123 ms

flag_en.jpg

flag_en.jpg

122 ms

!poster_small.jpg

!poster_small.jpg

121 ms

!poster_small.jpg

!poster_small.jpg

121 ms

!poster_small.jpg

!poster_small.jpg

218 ms

!poster_small.jpg

!poster_small.jpg

219 ms

!poster_small.jpg

!poster_small.jpg

219 ms

!poster_small.jpg

!poster_small.jpg

228 ms

!poster_small.jpg

!poster_small.jpg

240 ms

!poster_small.jpg

!poster_small.jpg

311 ms

!poster_small.jpg

!poster_small.jpg

326 ms

bgr_footer.jpg

bgr_footer.jpg

326 ms

ikona_e.png

ikona_e.png

325 ms

ikona_w.png

ikona_w.png

341 ms

spr_spinner.gif

spr_spinner.gif

357 ms

S6uyw4BMUTPHjx4wWA.woff

S6uyw4BMUTPHjx4wWA.woff

25 ms

S6u9w4BMUTPHh6UVSwiPHw.woff

S6u9w4BMUTPHh6UVSwiPHw.woff

47 ms

1Ptyg83HX_SGhgqO0yLcmjzUAuWexaFRwaM.woff

1Ptyg83HX_SGhgqO0yLcmjzUAuWexaFRwaM.woff

61 ms

1Ptyg83HX_SGhgqO0yLcmjzUAuWexZNRwaM.woff

1Ptyg83HX_SGhgqO0yLcmjzUAuWexZNRwaM.woff

61 ms

1Ptyg83HX_SGhgqO0yLcmjzUAuWexc1RwaM.woff

1Ptyg83HX_SGhgqO0yLcmjzUAuWexc1RwaM.woff

62 ms

1Ptyg83HX_SGhgqO0yLcmjzUAuWexRNRwaM.woff

1Ptyg83HX_SGhgqO0yLcmjzUAuWexRNRwaM.woff

61 ms

icons.woff

icons.woff

423 ms

Accessibility Review

pulib.sk accessibility score

82

Accessibility Issues

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

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

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Tables and lists

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

Impact

Issue

High

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

Best Practices

pulib.sk best practices score

58

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

pulib.sk SEO score

62

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

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

High

Image elements do not have [alt] attributes

Language and Encoding

  • Language Detected

    SK

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Pulib.sk can be misinterpreted by Google and other search engines. Our service has detected that Slovak is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Pulib.sk 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

pulib.sk

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