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oa.edu.ua screenshot

Report Summary

  • 57

    Performance

    Renders faster than
    73% of other websites

  • 91

    Accessibility

    Visual factors better than
    that of 76% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 87

    SEO

    Google-friendlier than
    65% of websites

oa.edu.ua

Національний університет «Острозька академія»

Page Load Speed

4.7 sec in total

First Response

495 ms

Resources Loaded

3.9 sec

Page Rendered

269 ms

oa.edu.ua screenshot

About Website

Click here to check amazing Oa content for Ukraine. Otherwise, check out these important facts you probably never knew about oa.edu.ua

Національний університет «Острозька академія» — наступник першого вищого навчального закладу східнослов’янських народів — Острозької слов’яно-греко-латинської академії. Сьогодні виш визнано одним із н...

Visit oa.edu.ua

Key Findings

We analyzed Oa.edu.ua page load time and found that the first response time was 495 ms and then it took 4.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

oa.edu.ua performance score

57

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.8 s

58/100

10%

LCP (Largest Contentful Paint)

Value4.8 s

30/100

25%

SI (Speed Index)

Value7.4 s

28/100

10%

TBT (Total Blocking Time)

Value70 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0.288

42/100

15%

TTI (Time to Interactive)

Value6.9 s

54/100

10%

Network Requests Diagram

oa.edu.ua

495 ms

www.oa.edu.ua

1985 ms

bootstrap.min.css

363 ms

bootstrap-theme.min.css

245 ms

owl.carousel.css

248 ms

Our browser made a total of 41 requests to load all elements on the main page. We found that 88% of them (36 requests) were addressed to the original Oa.edu.ua, 7% (3 requests) were made to I.ytimg.com and 5% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (2 sec) belongs to the original domain Oa.edu.ua.

Page Optimization Overview & Recommendations

Page size can be reduced by 310.8 kB (28%)

Content Size

1.1 MB

After Optimization

808.2 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Oa.edu.ua main page is 1.1 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. 35% of websites need less resources to load. Images take 677.6 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 39.8 kB

  • Original 48.8 kB
  • After minification 39.8 kB
  • After compression 9.0 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 9.0 kB, which is 18% 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 39.8 kB or 82% of the original size.

Image Optimization

-0%

Potential reduce by 3.4 kB

  • Original 677.6 kB
  • After minification 674.2 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. Oa images are well optimized though.

JavaScript Optimization

-59%

Potential reduce by 134.6 kB

  • Original 229.5 kB
  • After minification 229.5 kB
  • After compression 94.9 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 134.6 kB or 59% of the original size.

CSS Optimization

-82%

Potential reduce by 133.0 kB

  • Original 163.0 kB
  • After minification 162.8 kB
  • After compression 30.0 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. Oa.edu.ua needs all CSS files to be minified and compressed as it can save up to 133.0 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 12 (34%)

Requests Now

35

After Optimization

23

  • Images
  • JavaScript
  • CSS

The browser has sent 35 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Oa. 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 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

oa.edu.ua

oa.edu.ua

495 ms

www.oa.edu.ua

www.oa.edu.ua

1985 ms

bootstrap.min.css

bootstrap.min.css

363 ms

bootstrap-theme.min.css

bootstrap-theme.min.css

245 ms

owl.carousel.css

owl.carousel.css

248 ms

jquery.fancybox.css

jquery.fancybox.css

257 ms

style.css

style.css

250 ms

logo.png

logo.png

254 ms

logo_s.png

logo_s.png

444 ms

lang.jpg

lang.jpg

445 ms

nav_about.jpg

nav_about.jpg

493 ms

nav_admissions.jpg

nav_admissions.jpg

498 ms

nav_science.jpg

nav_science.jpg

497 ms

nav_resources.jpg

nav_resources.jpg

481 ms

nav_departments.jpg

nav_departments.jpg

489 ms

nav_student.jpg

nav_student.jpg

377 ms

10_rait.jpg

10_rait.jpg

1110 ms

eu.jpg

eu.jpg

939 ms

jquery.min.js

jquery.min.js

511 ms

bootstrap.min.js

bootstrap.min.js

507 ms

owl.carousel.min.js

owl.carousel.min.js

508 ms

jquery.mousewheel-3.0.6.pack.js

jquery.mousewheel-3.0.6.pack.js

605 ms

jquery.fancybox.pack.js

jquery.fancybox.pack.js

632 ms

jquery.fancybox-media.js

jquery.fancybox-media.js

637 ms

jquery-ui-1.10.4.custom.min.js

jquery-ui-1.10.4.custom.min.js

637 ms

config.js

config.js

728 ms

artpostril2_s.jpg

artpostril2_s.jpg

934 ms

moodle.png

moodle.png

935 ms

eprints.png

eprints.png

934 ms

header_fade.png

header_fade.png

673 ms

android.png

android.png

673 ms

segoe_ui.woff

segoe_ui.woff

1053 ms

glyphicons-halflings-regular.woff

glyphicons-halflings-regular.woff

613 ms

segoe_ui_light.woff

segoe_ui_light.woff

1073 ms

ss-social-regular.woff

ss-social-regular.woff

651 ms

analytics.js

analytics.js

202 ms

mqdefault.jpg

mqdefault.jpg

75 ms

mqdefault.jpg

mqdefault.jpg

86 ms

mqdefault.jpg

mqdefault.jpg

98 ms

sher6_s.jpg

sher6_s.jpg

251 ms

collect

collect

30 ms

Accessibility Review

oa.edu.ua accessibility score

91

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

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

High

Links do not have a discernible name

Best Practices

oa.edu.ua best practices score

67

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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

oa.edu.ua SEO score

87

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

Mobile Friendly

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/).

Impact

Issue

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    UK

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Oa.edu.ua can be misinterpreted by Google and other search engines. Our service has detected that Ukrainian 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 Oa.edu.ua 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

oa.edu.ua

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