Tools & Wizards About Us

Report Summary

  • 1

    Performance

    Renders faster than
    19% of other websites

  • 81

    Accessibility

    Visual factors better than
    that of 51% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

inforbook.pl

Księgarnia internetowa INFOR.pl - Sklep.infor.pl

Page Load Speed

6.7 sec in total

First Response

1.6 sec

Resources Loaded

5 sec

Page Rendered

137 ms

About Website

Welcome to inforbook.pl homepage info - get ready to check INFOR Book best content right away, or after learning these important things about inforbook.pl

Księgarnia internetowa INFOR.pl to książki, ebooki, serwisy specjalistycze dla księgowych, prawników, kadrowych oraz czasopisma z zakresu prawa, podatków, finansów, ubezpieczeń i zarządzania, kadry, k...

Visit inforbook.pl

Key Findings

We analyzed Inforbook.pl page load time and found that the first response time was 1.6 sec and then it took 5.1 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

inforbook.pl performance score

1

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value9.9 s

0/100

10%

LCP (Largest Contentful Paint)

Value42.6 s

0/100

25%

SI (Speed Index)

Value23.8 s

0/100

10%

TBT (Total Blocking Time)

Value3,440 ms

2/100

30%

CLS (Cumulative Layout Shift)

Value0.823

4/100

15%

TTI (Time to Interactive)

Value48.9 s

0/100

10%

Network Requests Diagram

sklep.infor.pl

1553 ms

icon

38 ms

hfh4jbg.css

44 ms

jquery-ui.min.css

309 ms

bootstrap.min.css

410 ms

Our browser made a total of 142 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Inforbook.pl, 6% (9 requests) were made to Use.typekit.net and 4% (5 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (1.6 sec) relates to the external source Sklep.infor.pl.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.8 MB (18%)

Content Size

9.5 MB

After Optimization

7.8 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Inforbook.pl main page is 9.5 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. Images take 8.1 MB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 422.7 kB

  • Original 479.8 kB
  • After minification 426.5 kB
  • After compression 57.1 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 53.3 kB, which is 11% 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 422.7 kB or 88% of the original size.

Image Optimization

-11%

Potential reduce by 899.7 kB

  • Original 8.1 MB
  • After minification 7.2 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. Obviously, INFOR Book needs image optimization as it can save up to 899.7 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-45%

Potential reduce by 394.6 kB

  • Original 886.8 kB
  • After minification 879.8 kB
  • After compression 492.1 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 394.6 kB or 45% of the original size.

CSS Optimization

-55%

Potential reduce by 44.3 kB

  • Original 79.9 kB
  • After minification 52.6 kB
  • After compression 35.6 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. Inforbook.pl needs all CSS files to be minified and compressed as it can save up to 44.3 kB or 55% of the original size.

Requests Breakdown

Number of requests can be reduced by 57 (44%)

Requests Now

131

After Optimization

74

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 131 CSS, Javascripts, AJAX and image requests in order to completely render the main page of INFOR Book. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 38 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

inforbook.pl 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

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

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

Best Practices

inforbook.pl 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

inforbook.pl SEO score

92

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

Language and Encoding

  • Language Detected

    PL

  • Language Claimed

    PL

  • Encoding

    UTF-8

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

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