Report Summary

  • 72

    Performance

    Renders faster than
    82% of other websites

  • 97

    Accessibility

    Visual factors better than
    that of 92% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

um.co.ua

um.co.ua - учбові матеріали для студентів і школярів України: реферати та курсові, підручники та книги, твори й шпаргалки

Page Load Speed

1.6 sec in total

First Response

492 ms

Resources Loaded

981 ms

Page Rendered

80 ms

um.co.ua screenshot

About Website

Visit um.co.ua now to see the best up-to-date Um Co content and also check out these interesting facts you probably never knew about um.co.ua

На сайті um.co.ua представлені для загальнодоступного безплатного використання навчальні матеріали з іноземних мов та електроніки, соціології та математики, філософії та фінансів, медицини та фізики й...

Visit um.co.ua

Key Findings

We analyzed Um.co.ua page load time and found that the first response time was 492 ms and then it took 1.1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 20% of websites can load faster.

Performance Metrics

um.co.ua performance score

72

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.1 s

99/100

10%

LCP (Largest Contentful Paint)

Value2.0 s

97/100

25%

SI (Speed Index)

Value2.8 s

95/100

10%

TBT (Total Blocking Time)

Value790 ms

37/100

30%

CLS (Cumulative Layout Shift)

Value0.086

93/100

15%

TTI (Time to Interactive)

Value8.7 s

36/100

10%

Network Requests Diagram

um.co.ua

492 ms

adsbygoogle.js

109 ms

u.css

171 ms

js

67 ms

cse.js

60 ms

Our browser made a total of 12 requests to load all elements on the main page. We found that 17% of them (2 requests) were addressed to the original Um.co.ua, 42% (5 requests) were made to Google.com and 17% (2 requests) were made to Pagead2.googlesyndication.com. The less responsive or slowest element that took the longest time to load (492 ms) belongs to the original domain Um.co.ua.

Page Optimization Overview & Recommendations

Page size can be reduced by 13.3 kB (3%)

Content Size

420.8 kB

After Optimization

407.5 kB

In fact, the total size of Um.co.ua main page is 420.8 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 30% of websites need less resources to load. Javascripts take 394.3 kB which makes up the majority of the site volume.

HTML Optimization

-66%

Potential reduce by 8.7 kB

  • Original 13.2 kB
  • After minification 13.2 kB
  • After compression 4.5 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 8.7 kB or 66% of the original size.

Image Optimization

-2%

Potential reduce by 53 B

  • Original 2.4 kB
  • After minification 2.4 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. Um Co images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 976 B

  • Original 394.3 kB
  • After minification 394.3 kB
  • After compression 393.4 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

-33%

Potential reduce by 3.6 kB

  • Original 10.8 kB
  • After minification 10.7 kB
  • After compression 7.2 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. Um.co.ua needs all CSS files to be minified and compressed as it can save up to 3.6 kB or 33% of the original size.

Requests Breakdown

Number of requests can be reduced by 5 (45%)

Requests Now

11

After Optimization

6

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

Accessibility Review

um.co.ua accessibility score

97

Accessibility Issues

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

Best Practices

um.co.ua best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

High

Page has valid source maps

SEO Factors

um.co.ua SEO score

93

Search Engine Optimization Advices

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

    WINDOWS-1251

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

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