Tools & Wizards About Us
bibliofond.com screenshot

Report Summary

  • 46

    Performance

    Renders faster than
    64% of other websites

  • 68

    Accessibility

    Visual factors better than
    that of 33% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

bibliofond.com

Лучшие рефераты, дипломные, курсовые работы - бесплатно: Библиофонд!

Page Load Speed

4.4 sec in total

First Response

428 ms

Resources Loaded

3.8 sec

Page Rendered

195 ms

bibliofond.com screenshot

About Website

Welcome to bibliofond.com homepage info - get ready to check Bibliofond best content for Czech Republic right away, or after learning these important things about bibliofond.com

В нашей библиотеке вы найдете присланные авторами статьи, рефераты, курсовые, магистерские и дипломные работы. Студенческие учебные работы и курсовые проекты. Эссе и отчеты по практике. И много чего е...

Visit bibliofond.com

Key Findings

We analyzed Bibliofond.com page load time and found that the first response time was 428 ms and then it took 3.9 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

bibliofond.com performance score

46

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.1 s

45/100

10%

LCP (Largest Contentful Paint)

Value6.3 s

10/100

25%

SI (Speed Index)

Value5.1 s

62/100

10%

TBT (Total Blocking Time)

Value540 ms

54/100

30%

CLS (Cumulative Layout Shift)

Value0.008

100/100

15%

TTI (Time to Interactive)

Value11.6 s

18/100

10%

Network Requests Diagram

bibliofond.com

428 ms

834 ms

pack.css

560 ms

packNew.css

538 ms

order_f2.css

544 ms

Our browser made a total of 27 requests to load all elements on the main page. We found that 4% of them (1 request) were addressed to the original Bibliofond.com, 44% (12 requests) were made to Bibliofond.ru and 15% (4 requests) were made to Top-fwz1.mail.ru. The less responsive or slowest element that took the longest time to load (1.1 sec) relates to the external source An.yandex.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 38.1 kB (12%)

Content Size

324.5 kB

After Optimization

286.5 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Bibliofond.com main page is 324.5 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. 25% of websites need less resources to load. Javascripts take 185.6 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 36.1 kB

  • Original 46.8 kB
  • After minification 40.6 kB
  • After compression 10.7 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 6.1 kB, which is 13% 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 36.1 kB or 77% of the original size.

Image Optimization

-0%

Potential reduce by 3 B

  • Original 79.3 kB
  • After minification 79.3 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. Bibliofond images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 1.9 kB

  • Original 185.6 kB
  • After minification 185.6 kB
  • After compression 183.7 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

-0%

Potential reduce by 23 B

  • Original 12.8 kB
  • After minification 12.8 kB
  • After compression 12.8 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. Bibliofond.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 12 (55%)

Requests Now

22

After Optimization

10

  • Images
  • JavaScript
  • CSS

The browser has sent 22 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Bibliofond. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

bibliofond.com

bibliofond.com

428 ms

834 ms

pack.css

pack.css

560 ms

packNew.css

packNew.css

538 ms

order_f2.css

order_f2.css

544 ms

jquery.min.js

jquery.min.js

17 ms

adsbygoogle.js

adsbygoogle.js

119 ms

WebResource.axd

WebResource.axd

528 ms

jquery-ui.min.js

jquery-ui.min.js

22 ms

packNew.js

packNew.js

545 ms

top.js

top.js

537 ms

css

css

31 ms

gtm.js

gtm.js

73 ms

header-bg.png

header-bg.png

580 ms

logo.png

logo.png

136 ms

logoGreen3.svg

logoGreen3.svg

138 ms

sprite.png

sprite.png

140 ms

context.js

context.js

1111 ms

footer-bg.png

footer-bg.png

257 ms

code.js

code.js

931 ms

hit

hit

668 ms

watch.js

watch.js

11 ms

hit

hit

134 ms

counter2

counter2

145 ms

sync-loader.js

sync-loader.js

895 ms

counter

counter

145 ms

dyn-goal-config.js

dyn-goal-config.js

146 ms

Accessibility Review

bibliofond.com accessibility score

68

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

High

Links do not have a discernible name

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Best Practices

bibliofond.com 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

High

Page has valid source maps

SEO Factors

bibliofond.com SEO score

91

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

    RU

  • Language Claimed

    RU

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Bibliofond.com 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 Bibliofond.com 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

bibliofond.com

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