Tools & Wizards About Us
booktrailers.ru screenshot

Report Summary

  • 41

    Performance

    Renders faster than
    60% of other websites

  • 89

    Accessibility

    Visual factors better than
    that of 71% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

booktrailers.ru

Буктрейлеры - видеоролики по книгам

Page Load Speed

4.4 sec in total

First Response

698 ms

Resources Loaded

3.5 sec

Page Rendered

246 ms

booktrailers.ru screenshot

About Website

Visit booktrailers.ru now to see the best up-to-date Booktrailers content for Russia and also check out these interesting facts you probably never knew about booktrailers.ru

Буктрейлер - это ролик-миниатюра, тизер, который включает в себя самые яркие и узнаваемые моменты книги, визуализируя ее содержание.

Visit booktrailers.ru

Key Findings

We analyzed Booktrailers.ru page load time and found that the first response time was 698 ms and then it took 3.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

booktrailers.ru performance score

41

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.5 s

15/100

10%

LCP (Largest Contentful Paint)

Value6.4 s

10/100

25%

SI (Speed Index)

Value6.0 s

46/100

10%

TBT (Total Blocking Time)

Value650 ms

46/100

30%

CLS (Cumulative Layout Shift)

Value0.016

100/100

15%

TTI (Time to Interactive)

Value8.3 s

40/100

10%

Network Requests Diagram

booktrailers.ru

698 ms

jquery.js

259 ms

common.js

254 ms

invideo.css

256 ms

common.js

255 ms

Our browser made a total of 86 requests to load all elements on the main page. We found that 86% of them (74 requests) were addressed to the original Booktrailers.ru, 6% (5 requests) were made to Googleads.g.doubleclick.net and 2% (2 requests) were made to Pagead2.googlesyndication.com. The less responsive or slowest element that took the longest time to load (1.9 sec) belongs to the original domain Booktrailers.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 439.8 kB (39%)

Content Size

1.1 MB

After Optimization

686.2 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Booktrailers.ru main page is 1.1 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. 45% of websites need less resources to load. Javascripts take 656.5 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 59.5 kB

  • Original 73.6 kB
  • After minification 62.8 kB
  • After compression 14.1 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 10.8 kB, which is 15% 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 59.5 kB or 81% of the original size.

Image Optimization

-2%

Potential reduce by 7.5 kB

  • Original 334.1 kB
  • After minification 326.6 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. Booktrailers images are well optimized though.

JavaScript Optimization

-52%

Potential reduce by 344.0 kB

  • Original 656.5 kB
  • After minification 656.5 kB
  • After compression 312.5 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 344.0 kB or 52% of the original size.

CSS Optimization

-47%

Potential reduce by 28.8 kB

  • Original 61.7 kB
  • After minification 59.3 kB
  • After compression 32.9 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. Booktrailers.ru needs all CSS files to be minified and compressed as it can save up to 28.8 kB or 47% of the original size.

Requests Breakdown

Number of requests can be reduced by 31 (40%)

Requests Now

78

After Optimization

47

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 78 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Booktrailers. 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 9 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

booktrailers.ru

booktrailers.ru

698 ms

jquery.js

jquery.js

259 ms

common.js

common.js

254 ms

invideo.css

invideo.css

256 ms

common.js

common.js

255 ms

imageflow.packed.js

imageflow.packed.js

257 ms

imageflow.packed.css

imageflow.packed.css

273 ms

mod_video_search.css

mod_video_search.css

381 ms

jquery-ui-1.10.3.custom.js

jquery-ui-1.10.3.custom.js

512 ms

jquery.ui.datepicker-ru.min.js

jquery.ui.datepicker-ru.min.js

382 ms

jquery-ui-1.10.3.custom.min.css

jquery-ui-1.10.3.custom.min.css

385 ms

jquery.colorbox.js

jquery.colorbox.js

384 ms

colorbox.css

colorbox.css

392 ms

init_colorbox.js

init_colorbox.js

507 ms

template.js

template.js

509 ms

reset.css

reset.css

510 ms

text.css

text.css

520 ms

template.css

template.css

523 ms

styles.css

styles.css

765 ms

adsbygoogle.js

adsbygoogle.js

159 ms

widget.js

widget.js

470 ms

check.js

check.js

634 ms

sign_in_button_gray.gif

sign_in_button_gray.gif

135 ms

cat_list.png

cat_list.png

128 ms

folder.png

folder.png

130 ms

cat_plus.png

cat_plus.png

129 ms

cat_minus.png

cat_minus.png

129 ms

header_line.png

header_line.png

130 ms

main_menu.png

main_menu.png

131 ms

mmhome.png

mmhome.png

255 ms

mmli.png

mmli.png

257 ms

starcons20.gif

starcons20.gif

254 ms

voteyes.gif

voteyes.gif

255 ms

logo.png

logo.png

393 ms

mt.png

mt.png

261 ms

sep.png

sep.png

393 ms

rbc.png

rbc.png

394 ms

rbi.png

rbi.png

394 ms

full_m.png

full_m.png

393 ms

button.png

button.png

394 ms

buktreiler-po-proizvedeniyu-aleksandra-g.jpg

buktreiler-po-proizvedeniyu-aleksandra-g.jpg

511 ms

buktrei-ler-prestuplenie-i-nakazanie.jpg

buktrei-ler-prestuplenie-i-nakazanie.jpg

508 ms

kak-sozdat-buktreiler.jpg

kak-sozdat-buktreiler.jpg

511 ms

buktreiler-alisa-v-strane-chudes.jpg

buktreiler-alisa-v-strane-chudes.jpg

511 ms

buktreiler-malenkii-princ.jpg

buktreiler-malenkii-princ.jpg

513 ms

buktreiler-a-zori-zdes-tihie.jpg

buktreiler-a-zori-zdes-tihie.jpg

652 ms

buktreiler-l-n-tolstoi-voina-i-mir.jpg

buktreiler-l-n-tolstoi-voina-i-mir.jpg

635 ms

buktreiler-k-knige-volshebnik-izumrudnog.jpg

buktreiler-k-knige-volshebnik-izumrudnog.jpg

639 ms

buktreiler-master-i-margarita.jpg

buktreiler-master-i-margarita.jpg

638 ms

krasnaja-shapochka.jpg

krasnaja-shapochka.jpg

638 ms

buktreiler-moskva-petushki.jpg

buktreiler-moskva-petushki.jpg

637 ms

mertvye-dushi-buktreiler.jpg

mertvye-dushi-buktreiler.jpg

761 ms

russkie-narodnye-skazki.jpg

russkie-narodnye-skazki.jpg

765 ms

taras-bulba-2.jpg

taras-bulba-2.jpg

764 ms

buktreiler-vechera-na-hutore-bliz-dikank.jpg

buktreiler-vechera-na-hutore-bliz-dikank.jpg

765 ms

mnogogrannyi-buktreiler.jpg

mnogogrannyi-buktreiler.jpg

767 ms

cms_codegen.php

cms_codegen.php

847 ms

rbb.png

rbb.png

878 ms

rbt.png

rbt.png

878 ms

hit

hit

257 ms

show_ads_impl.js

show_ads_impl.js

251 ms

1a9593cbf2bdcbbd4145863f6a7adfe4.png

1a9593cbf2bdcbbd4145863f6a7adfe4.png

1874 ms

35e45e1715099af28b95acb3a524e1b0.png

35e45e1715099af28b95acb3a524e1b0.png

788 ms

038077b06194e49ba6a5f65d7e116784.png

038077b06194e49ba6a5f65d7e116784.png

1790 ms

bc95c16308118e1a11c0863cabaa4da3.png

bc95c16308118e1a11c0863cabaa4da3.png

849 ms

icns.png

icns.png

892 ms

pagebar_page.png

pagebar_page.png

892 ms

low_m.png

low_m.png

789 ms

b50.png

b50.png

852 ms

hidecat.png

hidecat.png

892 ms

overlay.png

overlay.png

892 ms

hit

hit

554 ms

zrt_lookup.html

zrt_lookup.html

49 ms

ads

ads

419 ms

close_cat_list.png

close_cat_list.png

737 ms

b10.png

b10.png

804 ms

login_btn.png

login_btn.png

842 ms

reg_btn.png

reg_btn.png

843 ms

controls.png

controls.png

864 ms

border.png

border.png

935 ms

loading_background.png

loading_background.png

969 ms

ads

ads

344 ms

loading.gif

loading.gif

894 ms

ca-pub-7402614738147167

ca-pub-7402614738147167

117 ms

ads

ads

337 ms

ads

ads

176 ms

Accessibility Review

booktrailers.ru accessibility score

89

Accessibility Issues

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

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

High

Heading elements are not in a sequentially-descending order

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

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

Links do not have a discernible name

Best Practices

booktrailers.ru best practices score

58

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

booktrailers.ru SEO score

77

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    RU

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Booktrailers.ru can be misinterpreted by Google and other search engines. Our service has detected that Russian 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 Booktrailers.ru 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

booktrailers.ru

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