Access koszykowa.pl. Aktualności - Biblioteka Publiczna m.st. Warszawy

name

value

score

weighting

FCP (First Contentful Paint)

Value12.1 s

0/100

10%

LCP (Largest Contentful Paint)

Value14.6 s

0/100

25%

SI (Speed Index)

Value17.7 s

0/100

10%

TBT (Total Blocking Time)

Value1,630 ms

12/100

30%

CLS (Cumulative Layout Shift)

Value0.298

40/100

15%

TTI (Time to Interactive)

Value24.3 s

0/100

10%

koszykowa.pl

362 ms

www.koszykowa.pl

870 ms

jcemediabox.min.css

245 ms

content.css

575 ms

style.css

576 ms

Our browser made a total of 120 requests to load all elements on the main page. We found that 81% of them (97 requests) were addressed to the original Koszykowa.pl, 5% (6 requests) were made to Youtube.com and 3% (3 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (1.5 sec) belongs to the original domain Koszykowa.pl.

Content Size

2.4 MB

After Optimization

2.2 MB

In fact, the total size of Koszykowa.pl main page is 2.4 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. 65% of websites need less resources to load. Images take 1.6 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 71.5 kB

Original 88.3 kB
After minification 85.8 kB
After compression 16.8 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 71.5 kB or 81% of the original size.

Image Optimization

-2%

Potential reduce by 28.5 kB

Original 1.6 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. Koszykowa images are well optimized though.

JavaScript Optimization

-9%

Potential reduce by 44.9 kB

Original 484.6 kB
After minification 484.3 kB
After compression 439.8 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

-7%

Potential reduce by 11.2 kB

Original 165.4 kB
After minification 165.4 kB
After compression 154.2 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. Koszykowa.pl has all CSS files already compressed.

Requests Now

114

After Optimization

The browser has sent 114 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Koszykowa. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 33 to 1 for JavaScripts and from 30 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 the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

High

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

High

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

These are opportunities to improve the interpretation of your content by users in different locales.

High

<html> element does not have a [lang] attribute

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

High

Serves images with low resolution

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

N/A
Encoding

UTF-8

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

koszykowa.pl

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

Aktualności - Biblioteka Publiczna m.st. Warszawy - Biblioteka Główna Woj. Mazowieckiego

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

koszykowa.pl

www.koszykowa.pl

jcemediabox.min.css

content.css

style.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

koszykowa.pl

www.koszykowa.pl

jcemediabox.min.css

content.css

style.css

bootstrap.min.css

bootstrap-responsive.min.css

bootstrap-extended.css

bootstrap-frontend.min.css

bootstrap-responsive-frontend.min.css

system.css

general.css

template.css

template_pro.css

blue.css

business.css

jsn_wide.css

jsn_mobile.css

jsn_social_icons.css

modal.css

finder.css

template.css

style2.css

style.css

skitter.styles.css

logo-newpa.png

logonew.png

logo_25lat_mazowsze_poziom.png

logo_bip_2_male.png

mbc_icon_16.png

bip_icon_16.png

search_new.html

msib_icon_16.png

uk_flag.gif

www_godziny_po_majowce.jpg

www___inforamacja_uwaga_niepelnoletni.jpg

www_zz_Gs_zmiana_daty.jpg

PcrOxGnsENA

jquery.min.js

www-player.css

www-embed-player.js

base.js

jquery-noconflict.js