Tools & Wizards About Us
combook.ru screenshot

Report Summary

  • 50

    Performance

    Renders faster than
    68% of other websites

  • 67

    Accessibility

    Visual factors better than
    that of 32% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 82

    SEO

    Google-friendlier than
    44% of websites

combook.ru

- , , - - (Combook.RU)

Page Load Speed

5.9 sec in total

First Response

382 ms

Resources Loaded

4.9 sec

Page Rendered

625 ms

combook.ru screenshot

About Website

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

- , , -

Visit combook.ru

Key Findings

We analyzed Combook.ru page load time and found that the first response time was 382 ms and then it took 5.5 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

combook.ru performance score

50

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.4 s

2/100

10%

LCP (Largest Contentful Paint)

Value7.3 s

5/100

25%

SI (Speed Index)

Value9.6 s

11/100

10%

TBT (Total Blocking Time)

Value160 ms

93/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value7.6 s

47/100

10%

Network Requests Diagram

combook.ru

382 ms

www.combook.ru

866 ms

kiksov.index.min.js

130 ms

style.css

265 ms

frontend.css

381 ms

Our browser made a total of 93 requests to load all elements on the main page. We found that 99% of them (92 requests) were addressed to the original Combook.ru, 1% (1 request) were made to Mc.yandex.ru. The less responsive or slowest element that took the longest time to load (1.9 sec) belongs to the original domain Combook.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 615.5 kB (6%)

Content Size

10.7 MB

After Optimization

10.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Combook.ru main page is 10.7 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. 55% of websites need less resources to load. Images take 10.4 MB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 77.4 kB

  • Original 88.5 kB
  • After minification 52.7 kB
  • After compression 11.2 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 35.8 kB, which is 40% 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 77.4 kB or 87% of the original size.

Image Optimization

-5%

Potential reduce by 504.9 kB

  • Original 10.4 MB
  • After minification 9.9 MB

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. Combook images are well optimized though.

JavaScript Optimization

-12%

Potential reduce by 25.3 kB

  • Original 205.5 kB
  • After minification 205.5 kB
  • After compression 180.2 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 25.3 kB or 12% of the original size.

CSS Optimization

-17%

Potential reduce by 7.9 kB

  • Original 46.5 kB
  • After minification 46.5 kB
  • After compression 38.6 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. Combook.ru needs all CSS files to be minified and compressed as it can save up to 7.9 kB or 17% of the original size.

Requests Breakdown

Number of requests can be reduced by 46 (51%)

Requests Now

90

After Optimization

44

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 90 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Combook. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 25 to 1 for JavaScripts and from 18 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

combook.ru

combook.ru

382 ms

www.combook.ru

www.combook.ru

866 ms

kiksov.index.min.js

kiksov.index.min.js

130 ms

style.css

style.css

265 ms

frontend.css

frontend.css

381 ms

jquery.js

jquery.js

521 ms

jquery.maskedinput.min.js

jquery.maskedinput.min.js

382 ms

script.js

script.js

382 ms

frontend.js

frontend.js

395 ms

retina.js

retina.js

391 ms

reset.css

reset.css

242 ms

responsive.css

responsive.css

243 ms

superfish.css

superfish.css

245 ms

f-carousel.css

f-carousel.css

258 ms

tooltip.css

tooltip.css

262 ms

jquery-ui.css

jquery-ui.css

372 ms

ui.totop.css

ui.totop.css

369 ms

layerslider.css

layerslider.css

374 ms

iosslider.css

iosslider.css

383 ms

flexslider.css

flexslider.css

384 ms

responsive-tabs.css

responsive-tabs.css

393 ms

accordion.css

accordion.css

496 ms

theme_settings.css

theme_settings.css

498 ms

modal.css

modal.css

501 ms

magnific-popup.css

magnific-popup.css

509 ms

jquery.ui.selectmenu.css

jquery.ui.selectmenu.css

512 ms

superfish.js

superfish.js

128 ms

jquery.carouFredSel-6.1.0.js

jquery.carouFredSel-6.1.0.js

256 ms

jquery.touchSwipe.min.js

jquery.touchSwipe.min.js

126 ms

jquery-ui-1.9.2.custom.min.js

jquery-ui-1.9.2.custom.min.js

385 ms

jquery.ui.selectmenu.js

jquery.ui.selectmenu.js

133 ms

jquery.equalheights.js

jquery.equalheights.js

128 ms

jquery.ui.totop.js

jquery.ui.totop.js

254 ms

jquery-easing-1.3.js

jquery-easing-1.3.js

260 ms

jquery-transit-modified.js

jquery-transit-modified.js

259 ms

layerslider.transitions.js

layerslider.transitions.js

265 ms

layerslider.kreaturamedia.jquery.js

layerslider.kreaturamedia.jquery.js

423 ms

jquery.flexslider.js

jquery.flexslider.js

421 ms

jquery.zoom.js

jquery.zoom.js

382 ms

responsiveTabs.js

responsiveTabs.js

408 ms

forms.js

forms.js

429 ms

jquery.iosslider.js

jquery.iosslider.js

510 ms

jquery.cookie.js

jquery.cookie.js

507 ms

jquery.rs.modal.js

jquery.rs.modal.js

508 ms

jquery.magnific-popup.min.js

jquery.magnific-popup.min.js

515 ms

headerlinks_separate.jpg

headerlinks_separate.jpg

132 ms

nav_bg.jpg

nav_bg.jpg

130 ms

search_but.png

search_but.png

130 ms

6ppj7sm0eh0j5v9pmiccl8q0rtwusx.jpg

6ppj7sm0eh0j5v9pmiccl8q0rtwusx.jpg

133 ms

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135 ms

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134 ms

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mw5a9iav1kwtgnv3674nbuydw73te5.jpg

263 ms

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264 ms

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261 ms

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a1pcy63jaaj0jmntuxeeh99p72cd31.jpg

264 ms

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m82xp5whhspnqzvqq7dg7kwvrortfr.jpg

269 ms

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2bfyvrtjt31hoci558dp47ksvbd5cz.jpg

401 ms

ig90xe8ntrwmj8fr4tmgvvvx2ch1km.jpg

ig90xe8ntrwmj8fr4tmgvvvx2ch1km.jpg

408 ms

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pw73gwgifeml5fahh4slmy8o2ftn4r.jpg

402 ms

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402 ms

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515 ms

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404 ms

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532 ms

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530 ms

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528 ms

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530 ms

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536 ms

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892 ms

ochimj31kkj9wsqyul08w3pgrj75ql.jpg

ochimj31kkj9wsqyul08w3pgrj75ql.jpg

668 ms

stripe1.jpg

stripe1.jpg

659 ms

car_prev.png

car_prev.png

660 ms

car_next.png

car_next.png

662 ms

11978186_nviss_0.jpg

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1212 ms

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1432 ms

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1173 ms

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1059 ms

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1223 ms

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1299 ms

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1528 ms

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1507 ms

watch.js

watch.js

87 ms

ajax_port.php

ajax_port.php

1424 ms

ajax_port.php

ajax_port.php

1627 ms

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1432 ms

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1410 ms

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1753 ms

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1774 ms

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1571 ms

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11835840_nviss_1.jpg

1930 ms

visa20mastercard1.jpg

visa20mastercard1.jpg

1437 ms

footer_menu_sep.jpg

footer_menu_sep.jpg

1563 ms

back_to.png

back_to.png

1568 ms

cart_icon.png

cart_icon.png

127 ms

Accessibility Review

combook.ru accessibility score

67

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.

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

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

combook.ru best practices score

75

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

combook.ru SEO score

82

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

High

robots.txt is not valid

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

    EN

  • Language Claimed

    RU

  • Encoding

    WINDOWS-1251

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

combook.ru

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