Tools & Wizards About Us
cluboptica.ru screenshot

Report Summary

  • 19

    Performance

    Renders faster than
    36% of other websites

  • 81

    Accessibility

    Visual factors better than
    that of 52% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 98

    SEO

    Google-friendlier than
    92% of websites

cluboptica.ru

Контактные и цветные линзы с доставкой в Москве | Интернет-магазин Cluboptica.ru

Page Load Speed

5.9 sec in total

First Response

494 ms

Resources Loaded

5.1 sec

Page Rendered

370 ms

cluboptica.ru screenshot

About Website

Click here to check amazing Cluboptica content for Russia. Otherwise, check out these important facts you probably never knew about cluboptica.ru

Очки, контактные и цветные линзы от ведущих брендов - низкие цены, сертификаты производителей. Гарантия качества и быстрая доставка

Visit cluboptica.ru

Key Findings

We analyzed Cluboptica.ru page load time and found that the first response time was 494 ms and then it took 5.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

cluboptica.ru performance score

19

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value8.9 s

0/100

10%

LCP (Largest Contentful Paint)

Value13.0 s

0/100

25%

SI (Speed Index)

Value10.6 s

7/100

10%

TBT (Total Blocking Time)

Value2,080 ms

7/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value15.1 s

7/100

10%

Network Requests Diagram

cluboptica.ru

494 ms

www.cluboptica.ru

1081 ms

postamat.js

452 ms

script.js

242 ms

style.css

257 ms

Our browser made a total of 84 requests to load all elements on the main page. We found that 83% of them (70 requests) were addressed to the original Cluboptica.ru, 4% (3 requests) were made to Pickpoint.ru and 4% (3 requests) were made to Mc.yandex.ru. The less responsive or slowest element that took the longest time to load (1.9 sec) relates to the external source Mc.yandex.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 246.0 kB (43%)

Content Size

574.3 kB

After Optimization

328.3 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Cluboptica.ru main page is 574.3 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. Images take 259.0 kB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 101.3 kB

  • Original 116.6 kB
  • After minification 91.4 kB
  • After compression 15.3 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 25.2 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 101.3 kB or 87% of the original size.

Image Optimization

-5%

Potential reduce by 12.4 kB

  • Original 259.0 kB
  • After minification 246.6 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. Cluboptica images are well optimized though.

JavaScript Optimization

-62%

Potential reduce by 99.2 kB

  • Original 159.4 kB
  • After minification 144.3 kB
  • After compression 60.1 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 99.2 kB or 62% of the original size.

CSS Optimization

-84%

Potential reduce by 33.1 kB

  • Original 39.3 kB
  • After minification 32.9 kB
  • After compression 6.3 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. Cluboptica.ru needs all CSS files to be minified and compressed as it can save up to 33.1 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 34 (43%)

Requests Now

79

After Optimization

45

  • Images
  • JavaScript
  • CSS

The browser has sent 79 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cluboptica. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

cluboptica.ru

cluboptica.ru

494 ms

www.cluboptica.ru

www.cluboptica.ru

1081 ms

postamat.js

postamat.js

452 ms

script.js

script.js

242 ms

style.css

style.css

257 ms

ajax.js

ajax.js

258 ms

common.js

common.js

259 ms

nav_h.js

nav_h.js

262 ms

hover.js

hover.js

268 ms

region.js

region.js

374 ms

1714

1714

254 ms

cloudpayments

cloudpayments

735 ms

postamat.js

postamat.js

834 ms

ba.js

ba.js

184 ms

spread.php

spread.php

256 ms

widget_ru_RU.js

widget_ru_RU.js

199 ms

body.gif

body.gif

154 ms

top_panel.png

top_panel.png

264 ms

login_text.gif

login_text.gif

136 ms

login_sub.gif

login_sub.gif

141 ms

cart.gif

cart.gif

136 ms

logo.png

logo.png

257 ms

12dd257dd696714192e87392ba7a8a75.png

12dd257dd696714192e87392ba7a8a75.png

360 ms

about.png

about.png

250 ms

contacts.png

contacts.png

253 ms

support.png

support.png

268 ms

personal.png

personal.png

372 ms

search_block.png

search_block.png

378 ms

search.gif

search.gif

384 ms

filter_send.gif

filter_send.gif

523 ms

disc_air-optix-aqua-170.jpg

disc_air-optix-aqua-170.jpg

534 ms

cart.png

cart.png

485 ms

oftalmix_colors_170.jpg

oftalmix_colors_170.jpg

619 ms

1day_acuvue_moist_100x170.jpg

1day_acuvue_moist_100x170.jpg

628 ms

d43457067d210845d5b649f3eaeacbbe.jpg

d43457067d210845d5b649f3eaeacbbe.jpg

637 ms

oasys_2_pack.jpg

oasys_2_pack.jpg

735 ms

c74a88c8bc7ee584e81acad7ccf68412.jpg

c74a88c8bc7ee584e81acad7ccf68412.jpg

785 ms

9c643f5efa1f17566e7937a2446a8bcc.jpg

9c643f5efa1f17566e7937a2446a8bcc.jpg

800 ms

3a1baab9b1c6feae98049f39660a1afe.jpg

3a1baab9b1c6feae98049f39660a1afe.jpg

867 ms

purevision-2-biotrue60.png

purevision-2-biotrue60.png

878 ms

4ffffc788fc63aa7fa03c6e369755f7d.jpg

4ffffc788fc63aa7fa03c6e369755f7d.jpg

892 ms

2x_cluboptica_lenses.jpg

2x_cluboptica_lenses.jpg

986 ms

109bff45c4142abca610e77f267e215a.jpg

109bff45c4142abca610e77f267e215a.jpg

1046 ms

6b0f79000a9edd5e18400e925013799a.jpg

6b0f79000a9edd5e18400e925013799a.jpg

1066 ms

1261758efcbb2117f155d2ae10f1d454.jpg

1261758efcbb2117f155d2ae10f1d454.jpg

1115 ms

novelty.png

novelty.png

1129 ms

clariti_1day_170.jpg

clariti_1day_170.jpg

1147 ms

f3235a7b5b840c66785655fcab2f2926.jpg

f3235a7b5b840c66785655fcab2f2926.jpg

1237 ms

2343f2df1f6da2d823b54abc3c41cf88.jpg

2343f2df1f6da2d823b54abc3c41cf88.jpg

1308 ms

c1d209aa0f0d6abbf61764b80bbdf7d2.jpg

c1d209aa0f0d6abbf61764b80bbdf7d2.jpg

1333 ms

soflens_daily_25_170.jpg

soflens_daily_25_170.jpg

1361 ms

bio-true.jpg

bio-true.jpg

1380 ms

hit

hit

263 ms

watch.js

watch.js

1905 ms

ga.js

ga.js

27 ms

__utm.gif

__utm.gif

15 ms

cdm_protocol.js

cdm_protocol.js

387 ms

e9492436b182f7dfb6a3d0fecd5c04e9.png

e9492436b182f7dfb6a3d0fecd5c04e9.png

1279 ms

87c112711a17de5d6a6b4419917490cc.jpg

87c112711a17de5d6a6b4419917490cc.jpg

1363 ms

5eb4c6a4ad621020f3defdadcb5f7f0c.jpg

5eb4c6a4ad621020f3defdadcb5f7f0c.jpg

1444 ms

500871fb798a98c2c9914fbf147c4825.jpg

500871fb798a98c2c9914fbf147c4825.jpg

1471 ms

bx_stat

bx_stat

234 ms

cl_1day_toric_170.jpg

cl_1day_toric_170.jpg

1388 ms

cluboptica_sauflon.jpg

cluboptica_sauflon.jpg

1411 ms

logo_johnson.gif

logo_johnson.gif

1486 ms

cv.jpg

cv.jpg

1482 ms

bl.jpg

bl.jpg

1484 ms

ma.jpg

ma.jpg

1506 ms

logo_ocular.gif

logo_ocular.gif

1516 ms

cf.jpg

cf.jpg

1541 ms

of.jpg

of.jpg

1539 ms

cloud-p.png

cloud-p.png

1354 ms

visa.gif

visa.gif

1444 ms

master.gif

master.gif

1408 ms

ya.gif

ya.gif

1400 ms

shar.gif

shar.gif

1412 ms

search.png

search.png

1315 ms

search_but.png

search_but.png

1322 ms

block_white_top.png

block_white_top.png

1317 ms

block_white_bot.png

block_white_bot.png

1259 ms

li.gif

li.gif

1264 ms

payment_box.png

payment_box.png

1284 ms

advert.gif

advert.gif

86 ms

1

1

85 ms

Accessibility Review

cluboptica.ru accessibility score

81

Accessibility Issues

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

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

cluboptica.ru 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

High

Page has valid source maps

SEO Factors

cluboptica.ru SEO score

98

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

    RU

  • Language Claimed

    EN

  • Encoding

    WINDOWS-1251

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Cluboptica.ru can be misinterpreted by Google and other search engines. Our service has detected that Russian is used on the page, and it does not match the claimed English language. Our system also found out that Cluboptica.ru 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

cluboptica.ru

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