Tools & Wizards About Us
artlib.osu.ru screenshot

Report Summary

  • 75

    Performance

    Renders faster than
    83% of other websites

  • 71

    Accessibility

    Visual factors better than
    that of 36% of websites

  • 50

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

artlib.osu.ru

Научная библиотека ОГУ - Новости научной библиотеки

Page Load Speed

7.9 sec in total

First Response

1.6 sec

Resources Loaded

5.3 sec

Page Rendered

985 ms

artlib.osu.ru screenshot

About Website

Visit artlib.osu.ru now to see the best up-to-date Artlib Osu content for Russia and also check out these interesting facts you probably never knew about artlib.osu.ru

Научная библиотека Оренбургского государственного университета способствует подготовке специалистов для всех отраслей хозяйства региона и градообразующих предприятий.

Visit artlib.osu.ru

Key Findings

We analyzed Artlib.osu.ru page load time and found that the first response time was 1.6 sec and then it took 6.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

artlib.osu.ru performance score

75

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.6 s

33/100

10%

LCP (Largest Contentful Paint)

Value3.6 s

61/100

25%

SI (Speed Index)

Value7.0 s

32/100

10%

TBT (Total Blocking Time)

Value60 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.023

100/100

15%

TTI (Time to Interactive)

Value4.5 s

82/100

10%

Network Requests Diagram

1613 ms

style.css

592 ms

jquery.treeview.css

297 ms

openedPhoto.css

299 ms

accordeon.css

300 ms

Our browser made a total of 84 requests to load all elements on the main page. We found that 96% of them (81 requests) were addressed to the original Artlib.osu.ru, 2% (2 requests) were made to Mc.yandex.com and 1% (1 request) were made to Mc.yandex.ru. The less responsive or slowest element that took the longest time to load (1.9 sec) belongs to the original domain Artlib.osu.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 196.6 kB (16%)

Content Size

1.2 MB

After Optimization

1.0 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Artlib.osu.ru 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. Images take 911.4 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 56.5 kB

  • Original 69.7 kB
  • After minification 63.3 kB
  • After compression 13.2 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. 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 56.5 kB or 81% of the original size.

Image Optimization

-3%

Potential reduce by 29.2 kB

  • Original 911.4 kB
  • After minification 882.2 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. Artlib Osu images are well optimized though.

JavaScript Optimization

-40%

Potential reduce by 84.8 kB

  • Original 210.0 kB
  • After minification 198.2 kB
  • After compression 125.2 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 84.8 kB or 40% of the original size.

CSS Optimization

-83%

Potential reduce by 26.1 kB

  • Original 31.4 kB
  • After minification 20.8 kB
  • After compression 5.3 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. Artlib.osu.ru needs all CSS files to be minified and compressed as it can save up to 26.1 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 27 (33%)

Requests Now

82

After Optimization

55

  • Images
  • JavaScript
  • CSS

The browser has sent 82 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Artlib Osu. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

1613 ms

style.css

style.css

592 ms

jquery.treeview.css

jquery.treeview.css

297 ms

openedPhoto.css

openedPhoto.css

299 ms

accordeon.css

accordeon.css

300 ms

presentation.css

presentation.css

313 ms

jquery.fancybox.css

jquery.fancybox.css

446 ms

jquery-1.6.2.min.js

jquery-1.6.2.min.js

1259 ms

main_.js

main_.js

598 ms

jquery.cookie.js

jquery.cookie.js

466 ms

jquery.treeview.js

jquery.treeview.js

737 ms

openPhoto.js

openPhoto.js

624 ms

presentation.js

presentation.js

725 ms

accordeon.js

accordeon.js

734 ms

rotate.js

rotate.js

771 ms

jquery.fancybox-1.2.1.pack.js

jquery.fancybox-1.2.1.pack.js

870 ms

scripts.js

scripts.js

748 ms

background.jpg

background.jpg

234 ms

logo_osu.png

logo_osu.png

275 ms

logo_nb1.png

logo_nb1.png

598 ms

eye.png

eye.png

279 ms

index.png

index.png

262 ms

bibl.png

bibl.png

488 ms

icon2.png

icon2.png

415 ms

icon3.png

icon3.png

429 ms

svitok1.png

svitok1.png

417 ms

svitok2.png

svitok2.png

426 ms

top_panel_icon1.png

top_panel_icon1.png

415 ms

top_panel_icon2.png

top_panel_icon2.png

413 ms

top_panel_icon3.png

top_panel_icon3.png

463 ms

top_panel_icon4.png

top_panel_icon4.png

430 ms

svitok3.png

svitok3.png

443 ms

ebs-online.jpg

ebs-online.jpg

1374 ms

ebs-znanium.gif

ebs-znanium.gif

556 ms

ebs-lan.jpg

ebs-lan.jpg

707 ms

ebs-konsult.png

ebs-konsult.png

1367 ms

08062022.jpg

08062022.jpg

1374 ms

sideCenter.png

sideCenter.png

552 ms

menu_topleftangle.png

menu_topleftangle.png

701 ms

menu_topline.png

menu_topline.png

843 ms

menu_toprightangle.png

menu_toprightangle.png

847 ms

panel_center.png

panel_center.png

843 ms

menu_line.jpg

menu_line.jpg

985 ms

minus.gif

minus.gif

988 ms

point.png

point.png

989 ms

plus.gif

plus.gif

1361 ms

menu_bottomleftangle.png

menu_bottomleftangle.png

1360 ms

menu_bottomline.png

menu_bottomline.png

1362 ms

menu_bottomrightangle.png

menu_bottomrightangle.png

1361 ms

panel_top_left.png

panel_top_left.png

1360 ms

panel_top_center.png

panel_top_center.png

1361 ms

icon_sv.jpg

icon_sv.jpg

1361 ms

menu_line2.jpg

menu_line2.jpg

1361 ms

panel_top_right.png

panel_top_right.png

1349 ms

ebs-ivis.jpg

ebs-ivis.jpg

1503 ms

znak_neb.png

znak_neb.png

1372 ms

panel_bottom_left.png

panel_bottom_left.png

1375 ms

tag.js

tag.js

974 ms

panel_bottom_center.png

panel_bottom_center.png

1053 ms

panel_bottom_right.png

panel_bottom_right.png

1051 ms

logo_elib.gif

logo_elib.gif

1121 ms

datalib.png

datalib.png

1316 ms

net_terroru.jpg

net_terroru.jpg

1623 ms

prot-korruptsii.png

prot-korruptsii.png

1322 ms

vkr.jpg

vkr.jpg

1159 ms

140x190_arch.gif

140x190_arch.gif

1853 ms

logo_dissrsl.png

logo_dissrsl.png

1232 ms

logo_rba.gif

logo_rba.gif

1279 ms

logo_mars.png

logo_mars.png

1371 ms

logo_rusmarc.gif

logo_rusmarc.gif

1307 ms

logo_conspl.gif

logo_conspl.gif

1319 ms

pravo.jpg

pravo.jpg

1177 ms

logo_polpred.gif

logo_polpred.gif

1273 ms

logo_elibrary.gif

logo_elibrary.gif

1162 ms

logo_scopus.png

logo_scopus.png

1175 ms

logo_web_of_science.jpg

logo_web_of_science.jpg

1192 ms

logo_uisrossia.png

logo_uisrossia.png

1133 ms

books.png

books.png

1159 ms

back_foot.jpg

back_foot.jpg

1170 ms

line_foot.jpg

line_foot.jpg

797 ms

decor_foot_left.png

decor_foot_left.png

806 ms

decor_foot_right.png

decor_foot_right.png

899 ms

advert.gif

advert.gif

656 ms

sync_cookie_image_decide

sync_cookie_image_decide

148 ms

Accessibility Review

artlib.osu.ru accessibility score

71

Accessibility Issues

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

[id] attributes on active, focusable elements are not unique

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

Best Practices

artlib.osu.ru best practices score

50

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

Browser errors were logged to the console

SEO Factors

artlib.osu.ru SEO score

69

Search Engine Optimization Advices

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

    RU

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Artlib.osu.ru can be misinterpreted by Google and other search engines. Our service has detected that Russian 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 Artlib.osu.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

artlib.osu.ru

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