Tools & Wizards About Us
ewa.bytom.pl screenshot

Report Summary

  • 26

    Performance

    Renders faster than
    46% of other websites

  • 84

    Accessibility

    Visual factors better than
    that of 57% of websites

  • 50

    Best Practices

    More advanced features
    available than in
    18% of websites

  • 92

    SEO

    Google-friendlier than
    75% of websites

ewa.bytom.pl

Księgarnia techniczna | PolskaKsiegarnia.pl

Page Load Speed

2.2 sec in total

First Response

512 ms

Resources Loaded

1.4 sec

Page Rendered

233 ms

ewa.bytom.pl screenshot

About Website

Click here to check amazing Ewa Bytom content for Poland. Otherwise, check out these important facts you probably never knew about ewa.bytom.pl

Księgarnia techniczna | PolskaKsiegarnia.pl oferuje tysiące książek. Księgarnia internetowa oferująca książki techniczne w języku Polskim. Znajdujemy się na Śląsku w Bytom

Visit ewa.bytom.pl

Key Findings

We analyzed Ewa.bytom.pl page load time and found that the first response time was 512 ms and then it took 1.6 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.

Performance Metrics

ewa.bytom.pl performance score

26

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.2 s

20/100

10%

LCP (Largest Contentful Paint)

Value6.4 s

10/100

25%

SI (Speed Index)

Value9.2 s

13/100

10%

TBT (Total Blocking Time)

Value1,140 ms

22/100

30%

CLS (Cumulative Layout Shift)

Value0.135

80/100

15%

TTI (Time to Interactive)

Value13.0 s

13/100

10%

Network Requests Diagram

ewa.bytom.pl

512 ms

style.css

165 ms

jquery-ui-1.8.10.custom.css

191 ms

jquery.lightbox-0.5.css

210 ms

jquery.jgrowl.css

208 ms

Our browser made a total of 61 requests to load all elements on the main page. We found that 77% of them (47 requests) were addressed to the original Ewa.bytom.pl, 13% (8 requests) were made to Apis.google.com and 3% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (809 ms) belongs to the original domain Ewa.bytom.pl.

Page Optimization Overview & Recommendations

Page size can be reduced by 391.0 kB (45%)

Content Size

864.6 kB

After Optimization

473.6 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Ewa.bytom.pl main page is 864.6 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. 50% of websites need less resources to load. Javascripts take 375.1 kB which makes up the majority of the site volume.

HTML Optimization

-48%

Potential reduce by 55.6 kB

  • Original 116.8 kB
  • After minification 106.3 kB
  • After compression 61.1 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 55.6 kB or 48% of the original size.

Image Optimization

-6%

Potential reduce by 19.8 kB

  • Original 306.7 kB
  • After minification 286.9 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. Ewa Bytom images are well optimized though.

JavaScript Optimization

-69%

Potential reduce by 260.0 kB

  • Original 375.1 kB
  • After minification 359.5 kB
  • After compression 115.2 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 260.0 kB or 69% of the original size.

CSS Optimization

-84%

Potential reduce by 55.6 kB

  • Original 66.0 kB
  • After minification 48.3 kB
  • After compression 10.5 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. Ewa.bytom.pl needs all CSS files to be minified and compressed as it can save up to 55.6 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 23 (39%)

Requests Now

59

After Optimization

36

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 59 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ewa Bytom. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

ewa.bytom.pl

ewa.bytom.pl

512 ms

style.css

style.css

165 ms

jquery-ui-1.8.10.custom.css

jquery-ui-1.8.10.custom.css

191 ms

jquery.lightbox-0.5.css

jquery.lightbox-0.5.css

210 ms

jquery.jgrowl.css

jquery.jgrowl.css

208 ms

jquery.autocomplete.css

jquery.autocomplete.css

228 ms

anythingslider.css

anythingslider.css

225 ms

logo.jpg

logo.jpg

320 ms

btn_newuser.jpg

btn_newuser.jpg

290 ms

status.asp

status.asp

364 ms

scripts.js

scripts.js

444 ms

start.js

start.js

129 ms

plusone.js

plusone.js

108 ms

16741.jpg

16741.jpg

145 ms

16740.jpg

16740.jpg

170 ms

16739.jpg

16739.jpg

206 ms

16738.jpg

16738.jpg

213 ms

16737.jpg

16737.jpg

222 ms

16736.jpg

16736.jpg

243 ms

13092.jpg

13092.jpg

321 ms

13292.jpg

13292.jpg

357 ms

13313.jpg

13313.jpg

363 ms

13326.jpg

13326.jpg

299 ms

13327.jpg

13327.jpg

394 ms

13278.jpg

13278.jpg

376 ms

13271.jpg

13271.jpg

501 ms

13260.jpg

13260.jpg

535 ms

13273.jpg

13273.jpg

535 ms

skype_logo.jpg

skype_logo.jpg

501 ms

skype-status-on.jpg

skype-status-on.jpg

503 ms

polskieksiegarnie.gif

polskieksiegarnie.gif

535 ms

ksiegarzepl.jpg

ksiegarzepl.jpg

550 ms

super7.jpg

super7.jpg

555 ms

top2.jpg

top2.jpg

554 ms

input_login.jpg

input_login.jpg

724 ms

btn_login.jpg

btn_login.jpg

546 ms

button_menu.jpg

button_menu.jpg

541 ms

x_box_t.png

x_box_t.png

587 ms

x_box_b.png

x_box_b.png

608 ms

find.png

find.png

640 ms

input_search.jpg

input_search.jpg

657 ms

find.jpg

find.jpg

680 ms

2rightarrowS.png

2rightarrowS.png

702 ms

book.png

book.png

693 ms

dot2.png

dot2.png

809 ms

shadow74.png

shadow74.png

703 ms

cart.jpg

cart.jpg

734 ms

foot.jpg

foot.jpg

748 ms

ga.js

ga.js

37 ms

cb=gapi.loaded_0

cb=gapi.loaded_0

27 ms

cb=gapi.loaded_1

cb=gapi.loaded_1

57 ms

fastbutton

fastbutton

98 ms

load.gif

load.gif

382 ms

__utm.gif

__utm.gif

17 ms

postmessageRelay

postmessageRelay

49 ms

cb=gapi.loaded_0

cb=gapi.loaded_0

25 ms

cb=gapi.loaded_1

cb=gapi.loaded_1

24 ms

W5F8_SL0XFawnjxHGsZjJA.ttf

W5F8_SL0XFawnjxHGsZjJA.ttf

90 ms

3193398744-postmessagerelay.js

3193398744-postmessagerelay.js

63 ms

rpc:shindig_random.js

rpc:shindig_random.js

33 ms

cb=gapi.loaded_0

cb=gapi.loaded_0

13 ms

Accessibility Review

ewa.bytom.pl accessibility score

84

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.

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

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

Best Practices

ewa.bytom.pl best practices score

50

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

High

Missing source maps for large first-party JavaScript

SEO Factors

ewa.bytom.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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    PL

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Ewa.bytom.pl can be misinterpreted by Google and other search engines. Our service has detected that Polish is used on the page, and it does not match the claimed English language. Our system also found out that Ewa.bytom.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

ewa.bytom.pl

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