Report Summary

  • 17

    Performance

    Renders faster than
    33% of other websites

  • 61

    Accessibility

    Visual factors better than
    that of 27% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    82% of websites

  • 92

    SEO

    Google-friendlier than
    75% of websites

zir.com.ua

Офтальмологія Київ та в Україні — Новий Зір, офтальмологічна клініка Харків, Дніпро, Кривий Ріг, Хмельницький, Черкаси, Суми

Page Load Speed

11.3 sec in total

First Response

1.2 sec

Resources Loaded

9.5 sec

Page Rendered

528 ms

zir.com.ua screenshot

About Website

Visit zir.com.ua now to see the best up-to-date Zir content for Ukraine and also check out these interesting facts you probably never knew about zir.com.ua

Офтальмологія Київ та в Україні — Новий Зір ✔ Досвід роботи з 1999 року ✔ Офтальмологічна клініка — відомі офтальмохірурги України ✔ Сучасне обладнання ✔ Офтальмологія Київ — знижки на лікування

Visit zir.com.ua

Key Findings

We analyzed Zir.com.ua page load time and found that the first response time was 1.2 sec and then it took 10.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

zir.com.ua performance score

17

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.3 s

7/100

10%

LCP (Largest Contentful Paint)

Value6.9 s

7/100

25%

SI (Speed Index)

Value29.7 s

0/100

10%

TBT (Total Blocking Time)

Value41,130 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value51.3 s

0/100

10%

Network Requests Diagram

zir.com.ua

1214 ms

www.zir.com.ua

991 ms

all.css

377 ms

jquery-1.9.1.min.js

384 ms

jquery.nivo.slider.js

257 ms

Our browser made a total of 148 requests to load all elements on the main page. We found that 80% of them (118 requests) were addressed to the original Zir.com.ua, 7% (10 requests) were made to Web-client.livetex.ru and 3% (4 requests) were made to Mc.yandex.ru. The less responsive or slowest element that took the longest time to load (2.7 sec) belongs to the original domain Zir.com.ua.

Page Optimization Overview & Recommendations

Page size can be reduced by 650.4 kB (76%)

Content Size

859.0 kB

After Optimization

208.5 kB

In fact, the total size of Zir.com.ua main page is 859.0 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. 65% of websites need less resources to load. Javascripts take 550.1 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 70.6 kB

  • Original 84.9 kB
  • After minification 66.1 kB
  • After compression 14.3 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 18.9 kB, which is 22% 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 70.6 kB or 83% of the original size.

Image Optimization

-17%

Potential reduce by 753 B

  • Original 4.5 kB
  • After minification 3.7 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, Zir needs image optimization as it can save up to 753 B or 17% 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 389.1 kB

  • Original 550.1 kB
  • After minification 529.0 kB
  • After compression 161.0 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 389.1 kB or 71% of the original size.

CSS Optimization

-87%

Potential reduce by 189.9 kB

  • Original 219.5 kB
  • After minification 190.8 kB
  • After compression 29.5 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. Zir.com.ua needs all CSS files to be minified and compressed as it can save up to 189.9 kB or 87% of the original size.

Requests Breakdown

Number of requests can be reduced by 42 (30%)

Requests Now

139

After Optimization

97

The browser has sent 139 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zir. 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 8 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

zir.com.ua accessibility score

61

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-*] attributes do not match their roles

High

ARIA input fields do not have accessible names

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

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

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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.

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

zir.com.ua best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

zir.com.ua SEO score

92

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

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

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 Zir.com.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 Zir.com.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

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