Access inbook.pl. Księgarnia internetowa Inbook. Książki na wyciągnięcie ręki

name

value

score

weighting

FCP (First Contentful Paint)

Value3.1 s

46/100

10%

LCP (Largest Contentful Paint)

Value28.8 s

0/100

25%

SI (Speed Index)

Value21.0 s

0/100

10%

TBT (Total Blocking Time)

Value4,310 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0.066

97/100

15%

TTI (Time to Interactive)

Value22.0 s

1/100

10%

inbook.pl

337 ms

inbook.pl

798 ms

css2

44 ms

style.css

270 ms

custom.css

324 ms

Our browser made a total of 94 requests to load all elements on the main page. We found that 62% of them (58 requests) were addressed to the original Inbook.pl, 22% (21 requests) were made to Static.xx.fbcdn.net and 3% (3 requests) were made to Cdn.selly.pl. The less responsive or slowest element that took the longest time to load (1.3 sec) belongs to the original domain Inbook.pl.

Content Size

3.1 MB

After Optimization

1.9 MB

In fact, the total size of Inbook.pl main page is 3.1 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. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 2.6 MB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 252.2 kB

Original 295.3 kB
After minification 273.0 kB
After compression 43.1 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. 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 252.2 kB or 85% of the original size.

Image Optimization

-37%

Potential reduce by 969.7 kB

Original 2.6 MB
After minification 1.6 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, Inbook needs image optimization as it can save up to 969.7 kB or 37% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-12%

Potential reduce by 19.3 kB

Original 166.0 kB
After minification 163.4 kB
After compression 146.6 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 19.3 kB or 12% of the original size.

CSS Optimization

-36%

Potential reduce by 15.6 kB

Original 42.9 kB
After minification 42.9 kB
After compression 27.3 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. Inbook.pl needs all CSS files to be minified and compressed as it can save up to 15.6 kB or 36% of the original size.

Requests Now

After Optimization

The browser has sent 92 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Inbook. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 37 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

These are opportunities to improve keyboard navigation in your application.

High

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

High

Heading elements are not in a sequentially-descending order

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.

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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

High

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

These items highlight common accessibility best practices.

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

Search Engine Optimization Advices

To appear in search results, crawlers need access to your app.

High

Links are not crawlable

Format your HTML in a way that enables crawlers to better understand your app’s content.

High

Image elements do not have [alt] attributes

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/).

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

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 Inbook.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 Inbook.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

inbook.pl

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

Report Summary

Performance

Accessibility

Best Practices

SEO

Księgarnia internetowa Inbook. Książki na wyciągnięcie ręki

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

inbook.pl

inbook.pl

css2

style.css

custom.css

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

inbook.pl

inbook.pl

css2

style.css

custom.css

jquery.fancybox.css

jquery.js

modernizr.min.js

i18n.js

clamp.min.js

funkcje.js

page.js

js

sdk.js

cookieconsent.js

cookieconsent.module.css

slicknav.js

lazysizes.min.js

swiper-bundle.min.js

jquery.fancybox.min.js

jquery.waypoints.min.js

sticky.min.js

bb-shop.min.js

script.js

partner-logo-selly.svg

logo.png

search-btn.svg

Dodaj_nag%C5%82%C3%B3wek.png

Projekt_bez_nazwy_-_2024-04-19T154539.393.png

380x244_pix_Krulowa_jest_tylko_jedna.jpg

empty.svg

platnosci-loga.png

facebook-widget-icon.svg

menu-icon.svg

adv-btn.svg

account-icon.svg

favorite-icon.svg

cart-icon.svg

close-mobile-icon.svg

sdk.js

inbook.pl

arrow-down.svg

mod1.html