Tools & Wizards About Us
optica.kh.ua screenshot

Report Summary

  • 90

    Performance

    Renders faster than
    91% of other websites

  • 79

    Accessibility

    Visual factors better than
    that of 47% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

optica.kh.ua

Контактні лінзи, лінзи для окулярів, краплі, таблетки | Оптика Харків

Page Load Speed

2.8 sec in total

First Response

430 ms

Resources Loaded

2.2 sec

Page Rendered

146 ms

optica.kh.ua screenshot

About Website

Welcome to optica.kh.ua homepage info - get ready to check Optica best content for Russia right away, or after learning these important things about optica.kh.ua

В інтернет-магазині "Оптика Харків" ви зможете купити: контактні лінзи, лінзи для окулярів, розчини, краплі з доставкою по Харкову і Україні

Visit optica.kh.ua

Key Findings

We analyzed Optica.kh.ua page load time and found that the first response time was 430 ms and then it took 2.4 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

optica.kh.ua performance score

90

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.1 s

80/100

10%

LCP (Largest Contentful Paint)

Value2.4 s

91/100

25%

SI (Speed Index)

Value3.2 s

91/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.176

68/100

15%

TTI (Time to Interactive)

Value2.1 s

99/100

10%

Network Requests Diagram

optica.kh.ua

430 ms

www.optica.kh.ua

713 ms

colorbox.css.pagespeed.ce.cBsB9gQE4A.css

97 ms

seocms.css.pagespeed.ce.7wX1C6O3lT.css

194 ms

stylesheet.css.pagespeed.ce.4F437jf4zf.css

289 ms

Our browser made a total of 41 requests to load all elements on the main page. We found that all of those requests were addressed to Optica.kh.ua and no external sources were called. The less responsive or slowest element that took the longest time to load (713 ms) belongs to the original domain Optica.kh.ua.

Page Optimization Overview & Recommendations

Page size can be reduced by 59.9 kB (13%)

Content Size

451.0 kB

After Optimization

391.1 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Optica.kh.ua main page is 451.0 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. 35% of websites need less resources to load. Images take 280.4 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 33.6 kB

  • Original 42.5 kB
  • After minification 36.5 kB
  • After compression 8.9 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 6.0 kB, which is 14% 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 33.6 kB or 79% of the original size.

Image Optimization

-6%

Potential reduce by 17.9 kB

  • Original 280.4 kB
  • After minification 262.5 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. Optica images are well optimized though.

JavaScript Optimization

-6%

Potential reduce by 6.0 kB

  • Original 106.8 kB
  • After minification 106.8 kB
  • After compression 100.8 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. This website has mostly compressed JavaScripts.

CSS Optimization

-11%

Potential reduce by 2.4 kB

  • Original 21.3 kB
  • After minification 21.3 kB
  • After compression 18.9 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. Optica.kh.ua needs all CSS files to be minified and compressed as it can save up to 2.4 kB or 11% of the original size.

Requests Breakdown

Number of requests can be reduced by 21 (54%)

Requests Now

39

After Optimization

18

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 39 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Optica. 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 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

optica.kh.ua

optica.kh.ua

430 ms

www.optica.kh.ua

www.optica.kh.ua

713 ms

colorbox.css.pagespeed.ce.cBsB9gQE4A.css

colorbox.css.pagespeed.ce.cBsB9gQE4A.css

97 ms

seocms.css.pagespeed.ce.7wX1C6O3lT.css

seocms.css.pagespeed.ce.7wX1C6O3lT.css

194 ms

stylesheet.css.pagespeed.ce.4F437jf4zf.css

stylesheet.css.pagespeed.ce.4F437jf4zf.css

289 ms

jquery-1.7.1.min.js

jquery-1.7.1.min.js

383 ms

jquery-ui-1.8.16.custom.min.js

jquery-ui-1.8.16.custom.min.js

480 ms

jquery.cookie.js

jquery.cookie.js

293 ms

jquery.colorbox.js

jquery.colorbox.js

293 ms

jquery.colorbox.js

jquery.colorbox.js

295 ms

blog.color.js

blog.color.js

391 ms

smenu.js

smenu.js

391 ms

common.js

common.js

391 ms

jquery-ui-1.8.16.custom.css.pagespeed.ce.zCw5RjU848.css

jquery-ui-1.8.16.custom.css.pagespeed.ce.zCw5RjU848.css

392 ms

searchlive.js

searchlive.js

475 ms

r1_c.png

r1_c.png

100 ms

spriteme1.png

spriteme1.png

97 ms

r1_back.png

r1_back.png

193 ms

logo_site.png

logo_site.png

97 ms

telef.png

telef.png

97 ms

category_action-150x123.jpg

category_action-150x123.jpg

98 ms

category_mkl-150x123.jpg

category_mkl-150x123.jpg

194 ms

category_lens-150x123.jpg

category_lens-150x123.jpg

193 ms

category_luqid-150x123.jpg

category_luqid-150x123.jpg

195 ms

category_eyewear-150x123.jpg

category_eyewear-150x123.jpg

194 ms

category_acsessory-150x123.jpg

category_acsessory-150x123.jpg

195 ms

button-search.png

button-search.png

284 ms

menu.png

menu.png

282 ms

spriteme3.png

spriteme3.png

274 ms

www.optica.kh.ua

www.optica.kh.ua

485 ms

aloading16.png

aloading16.png

271 ms

bullet-list.gif

bullet-list.gif

269 ms

downArrow.png

downArrow.png

352 ms

smenu_l_placeholder.gif

smenu_l_placeholder.gif

97 ms

smenu_1.png

smenu_1.png

192 ms

smenu_splitter_placeholder.gif

smenu_splitter_placeholder.gif

97 ms

smenu_2.png

smenu_2.png

191 ms

smenu_3.png

smenu_3.png

98 ms

smenu_r_placeholder.gif

smenu_r_placeholder.gif

192 ms

ua.png

ua.png

97 ms

ru.png

ru.png

97 ms

Accessibility Review

optica.kh.ua accessibility score

79

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

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

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

Form elements do not have associated labels

Best Practices

optica.kh.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

SEO Factors

optica.kh.ua SEO score

90

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

    RU

  • Encoding

    N/A

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Optica.kh.ua can be misinterpreted by Google and other search engines. Our service has detected that Ukrainian is used on the page, and it does not match the claimed Russian language. Our system also found out that Optica.kh.ua main page’s claimed encoding is . 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

optica.kh.ua

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