Tools & Wizards About Us
libsov.ru screenshot

Report Summary

  • 61

    Performance

    Renders faster than
    76% of other websites

  • 88

    Accessibility

    Visual factors better than
    that of 68% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 80

    SEO

    Google-friendlier than
    42% of websites

libsov.ru

Электронная библиотека современного книголюба. Здесь можно без регистрации бесплатно скачать книги в электронных форматах fb2, epub, pdf, rtf, txt, чи...

Page Load Speed

26.4 sec in total

First Response

1.1 sec

Resources Loaded

24.7 sec

Page Rendered

577 ms

libsov.ru screenshot

About Website

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

Электронная библиотека современного книолюба. Здесь можно без регистрации бесплатно скачать книги в электронных форматах fb2, epub, pdf, rtf, txt, читать онлайн или купить лицензионные электронные кни...

Visit libsov.ru

Key Findings

We analyzed Libsov.ru page load time and found that the first response time was 1.1 sec and then it took 25.3 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster. Unfortunately, there was 1 request timeout, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

libsov.ru performance score

61

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.2 s

43/100

10%

LCP (Largest Contentful Paint)

Value3.2 s

72/100

25%

SI (Speed Index)

Value5.4 s

57/100

10%

TBT (Total Blocking Time)

Value570 ms

52/100

30%

CLS (Cumulative Layout Shift)

Value0.043

99/100

15%

TTI (Time to Interactive)

Value9.6 s

29/100

10%

Network Requests Diagram

libsov.ru

1126 ms

common.css

297 ms

style.css

298 ms

default.css

296 ms

foundry.js

601 ms

Our browser made a total of 275 requests to load all elements on the main page. We found that 16% of them (43 requests) were addressed to the original Libsov.ru, 7% (19 requests) were made to Partnersdnld.litres.ru and 6% (17 requests) were made to Assets.alicdn.com. The less responsive or slowest element that took the longest time to load (20.5 sec) relates to the external source Net-a-porter.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.1 MB (48%)

Content Size

2.3 MB

After Optimization

1.2 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Libsov.ru main page is 2.3 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. Only a small number of websites need less resources to load. Javascripts take 1.6 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 204.0 kB

  • Original 248.6 kB
  • After minification 246.1 kB
  • After compression 44.6 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. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 204.0 kB or 82% of the original size.

Image Optimization

-14%

Potential reduce by 16.9 kB

  • Original 118.7 kB
  • After minification 101.8 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, Libsov needs image optimization as it can save up to 16.9 kB or 14% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-38%

Potential reduce by 595.2 kB

  • Original 1.6 MB
  • After minification 1.6 MB
  • After compression 980.6 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 595.2 kB or 38% of the original size.

CSS Optimization

-78%

Potential reduce by 306.3 kB

  • Original 393.3 kB
  • After minification 393.2 kB
  • After compression 87.0 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. Libsov.ru needs all CSS files to be minified and compressed as it can save up to 306.3 kB or 78% of the original size.

Requests Breakdown

Number of requests can be reduced by 112 (50%)

Requests Now

225

After Optimization

113

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 225 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Libsov. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 68 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

libsov.ru

libsov.ru

1126 ms

common.css

common.css

297 ms

style.css

style.css

298 ms

default.css

default.css

296 ms

foundry.js

foundry.js

601 ms

abstract.js

abstract.js

301 ms

jquery.min.js

jquery.min.js

454 ms

jquery-noconflict.js

jquery-noconflict.js

448 ms

jquery-migrate.min.js

jquery-migrate.min.js

443 ms

bootstrap.min.js

bootstrap.min.js

445 ms

mootools-core.js

mootools-core.js

600 ms

core.js

core.js

592 ms

mootools-more.js

mootools-more.js

903 ms

keepalive.js

keepalive.js

595 ms

template.css

template.css

650 ms

template.responsive.css

template.responsive.css

739 ms

css

css

55 ms

js

js

97 ms

120548.js

120548.js

1038 ms

draw_script.js

draw_script.js

60 ms

120548.js

120548.js

1407 ms

counter.js

counter.js

527 ms

show.cgi

show.cgi

617 ms

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618 ms

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show.cgi

623 ms

server.js

server.js

149 ms

controller.js

controller.js

150 ms

model.js

model.js

149 ms

model.list.js

model.list.js

153 ms

view.js

view.js

153 ms

view.ejs.js

view.ejs.js

153 ms

lang.json.js

lang.json.js

321 ms

71lix.js

71lix.js

482 ms

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864 ms

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logo.png

logo.png

303 ms

rating_star_blank.png

rating_star_blank.png

309 ms

xn--93-6kc2cpp5b2a.xn--p1ai.ico

xn--93-6kc2cpp5b2a.xn--p1ai.ico

310 ms

rotaban.js

rotaban.js

586 ms

pageglare.png

pageglare.png

422 ms

page.png

page.png

270 ms

header.png

header.png

413 ms

nav.png

nav.png

420 ms

blockheader.png

blockheader.png

417 ms

blockcontent.png

blockcontent.png

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blockbullets.png

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footerrssicon.png

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565 ms

ok6.js

ok6.js

28 ms

main.js

main.js

511 ms

se1zad12.js

se1zad12.js

433 ms

aake6aba.js

aake6aba.js

431 ms

ico-comment.png

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531 ms

ico-hits.png

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530 ms

postcategoryicon.png

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529 ms

aci.js

aci.js

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222 ms

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408 ms

uptolike.js

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footer.png

footer.png

520 ms

core.js

core.js

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hit

hit

271 ms

code.js

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557 ms

watch.js

watch.js

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class.js

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lang.string.js

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616 ms

event.destroyed.js

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stat.js

stat.js

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hit

hit

544 ms

version.js

version.js

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counter.js

counter.js

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sync-loader.js

sync-loader.js

1083 ms

counter

counter

514 ms

dyn-goal-config.js

dyn-goal-config.js

573 ms

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bon.png

bon.png

111 ms

widgetsModule.js

widgetsModule.js

301 ms

save_c.php

save_c.php

175 ms

rotaban_229484.htm

rotaban_229484.htm

160 ms

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imp.gif

469 ms

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watch.js

watch.js

2 ms

ymcode

ymcode

870 ms

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836 ms

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loader.js

loader.js

534 ms

www.typeform.com

www.typeform.com

283 ms

newVerify.php

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269 ms

www.thriftbooks.com

www.thriftbooks.com

481 ms

www.viagogo.com

www.viagogo.com

10425 ms

www.tomtop.com

www.tomtop.com

570 ms

ai

ai

854 ms

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www.jotform.com

440 ms

www.vrbo.com

www.vrbo.com

374 ms

j19u1ne5

j19u1ne5

349 ms

www.gohighlevel.com

www.gohighlevel.com

364 ms

www.expedia.com

www.expedia.com

4495 ms

281 ms

www.getyourguide.com

www.getyourguide.com

342 ms

webflow.com

webflow.com

291 ms

stripchat.com

stripchat.com

549 ms

www.travelocity.com

www.travelocity.com

1288 ms

deals

deals

398 ms

track

track

421 ms

www.hotels.com

www.hotels.com

397 ms

share-counter.html

share-counter.html

318 ms

impression.html

impression.html

480 ms

bottom-top.png

bottom-top.png

488 ms

icomoon.svg

icomoon.svg

224 ms

icomoon.woff

icomoon.woff

454 ms

mm-affiliate

mm-affiliate

169 ms

rakuten

rakuten

238 ms

home-remodeling

home-remodeling

176 ms

easy-email.htm

easy-email.htm

56 ms

widgets-batch.js

widgets-batch.js

428 ms

Entry.jsp

Entry.jsp

263 ms

en-eu

en-eu

146 ms

477 ms

www.figma.com

www.figma.com

794 ms

etext.html

etext.html

259 ms

best.aliexpress.com

best.aliexpress.com

549 ms

www.eventticketscenter.com

www.eventticketscenter.com

68 ms

free-trial

free-trial

229 ms

www.hrblock.com

www.hrblock.com

74 ms

www.udemy.com

www.udemy.com

65 ms

www.stubhub.com

www.stubhub.com

8458 ms

www.zazzle.com

www.zazzle.com

83 ms

147 ms

www.ediblearrangements.com

www.ediblearrangements.com

287 ms

www.anntaylor.com

www.anntaylor.com

297 ms

www.thumbtack.com

www.thumbtack.com

341 ms

57 ms

www.shopbop.com

www.shopbop.com

598 ms

pearsonplus.html

pearsonplus.html

170 ms

en

en

141 ms

lastpass.com

lastpass.com

292 ms

Search-Jobs-Near-Me

Search-Jobs-Near-Me

134 ms

146 ms

index.cfm

index.cfm

170 ms

watch.js

watch.js

1 ms

www.printify.com

www.printify.com

191 ms

1

1

133 ms

3

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161 ms

extra.js

extra.js

175 ms

watch.js

watch.js

23 ms

www.datacamp.com

www.datacamp.com

163 ms

www.viator.com

www.viator.com

642 ms

www.wine.com

www.wine.com

464 ms

www.fast-growing-trees.com

www.fast-growing-trees.com

422 ms

1

1

150 ms

bongacams.com

bongacams.com

184 ms

www.trip.com

www.trip.com

1298 ms

www.newbalance.com

www.newbalance.com

276 ms

www.crocs.com

www.crocs.com

258 ms

www.opticsplanet.com

www.opticsplanet.com

1140 ms

www.finishline.com

www.finishline.com

126 ms

printify.com

printify.com

388 ms

index.css

index.css

140 ms

ae-header.css

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116 ms

ae-header.js

ae-header.js

197 ms

index.css

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171 ms

index.js

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213 ms

_cross_page_loader_.js

_cross_page_loader_.js

194 ms

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211 ms

index.js

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231 ms

index.js

index.js

256 ms

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277 ms

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363 ms

collect_stat.js

collect_stat.js

1536 ms

marking.js

marking.js

1543 ms

monday.com

monday.com

888 ms

www.cheapoair.com

www.cheapoair.com

838 ms

rakuten

rakuten

20468 ms

www.fiverr.com

www.fiverr.com

971 ms

www.kobo.com

www.kobo.com

329 ms

www.priceline.com

www.priceline.com

809 ms

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10x10.png

10x10.png

724 ms

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65x70.gif

65x70.gif

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20x20.png

858 ms

linkshare.tmpl

linkshare.tmpl

896 ms

welcome

welcome

686 ms

www.orbitz.com

www.orbitz.com

1673 ms

www.workable.com

www.workable.com

813 ms

Home.do

Home.do

824 ms

118 ms

epssw.js

epssw.js

216 ms

www.athome.com

www.athome.com

1200 ms

www.bedbathandbeyond.com

www.bedbathandbeyond.com

1517 ms

www.tractorsupply.com

www.tractorsupply.com

1171 ms

dna

dna

1064 ms

www.windsorstore.com

www.windsorstore.com

803 ms

et_n.js

et_n.js

894 ms

rp

rp

1470 ms

508 ms

index.js

index.js

722 ms

et_f.js

et_f.js

801 ms

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567 ms

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609 ms

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610 ms

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657 ms

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687 ms

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687 ms

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704 ms

40x40.png

40x40.png

703 ms

www.southwest.com

www.southwest.com

787 ms

mem5YaGs126MiZpBA-UN7rg-Vg.woff

mem5YaGs126MiZpBA-UN7rg-Vg.woff

457 ms

mem5YaGs126MiZpBA-UNirk-Vg.woff

mem5YaGs126MiZpBA-UNirk-Vg.woff

457 ms

mem8YaGs126MiZpBA-U1UQ.woff

mem8YaGs126MiZpBA-U1UQ.woff

498 ms

en_pl

en_pl

351 ms

count.json

count.json

312 ms

count.json

count.json

311 ms

share_count

share_count

960 ms

share_count

share_count

984 ms

dk

dk

983 ms

dk

dk

1002 ms

share.php

share.php

869 ms

share.php

share.php

860 ms

support.html

support.html

251 ms

319 ms

default.mi

default.mi

509 ms

www.ssense.com

www.ssense.com

461 ms

pro

pro

865 ms

www.pipedrive.com

www.pipedrive.com

540 ms

www.fragrancenet.com

www.fragrancenet.com

295 ms

278 ms

teams

teams

657 ms

miro.com

miro.com

489 ms

www.coursera.org

www.coursera.org

1142 ms

398 ms

www.boohoo.com

www.boohoo.com

647 ms

www.adameve.com

www.adameve.com

755 ms

us.trip.com

us.trip.com

714 ms

dyson.com

dyson.com

734 ms

www.allbirds.com

www.allbirds.com

431 ms

www.walmart.com

www.walmart.com

386 ms

www.alibris.com

www.alibris.com

189 ms

www.rocketreach.co

www.rocketreach.co

490 ms

www.buckle.com

www.buckle.com

310 ms

635 ms

www.bhphotovideo.com

www.bhphotovideo.com

183 ms

affiliate

affiliate

532 ms

webflow.com

webflow.com

81 ms

www.iherb.com

www.iherb.com

70 ms

www.samsclub.com

www.samsclub.com

962 ms

rocketreach.co

rocketreach.co

503 ms

www.dyson.com

www.dyson.com

37 ms

en

en

43 ms

Accessibility Review

libsov.ru accessibility score

88

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

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

libsov.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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

libsov.ru SEO score

80

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

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    RU

  • Language Claimed

    RU

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Libsov.ru can be misinterpreted by Google and other search engines. Our service has detected that Russian is used on the page, and it matches the claimed language. Our system also found out that Libsov.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

libsov.ru

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