Tools & Wizards About Us
ewa.bytom.pl screenshot

Report Summary

  • 16

    Performance

    Renders faster than
    30% of other websites

  • 68

    Accessibility

    Visual factors better than
    that of 33% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

ewa.bytom.pl

Księgarnia techniczna | PolskaKsiegarnia.pl

Page Load Speed

4.5 sec in total

First Response

1.1 sec

Resources Loaded

3.1 sec

Page Rendered

258 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 1.1 sec and then it took 3.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

ewa.bytom.pl performance score

16

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.8 s

12/100

10%

LCP (Largest Contentful Paint)

Value9.4 s

0/100

25%

SI (Speed Index)

Value9.8 s

10/100

10%

TBT (Total Blocking Time)

Value3,110 ms

2/100

30%

CLS (Cumulative Layout Shift)

Value0.112

86/100

15%

TTI (Time to Interactive)

Value19.0 s

3/100

10%

Network Requests Diagram

polskaksiegarnia.pl

1113 ms

MTI6Njk1OjUuMjQuMTk.css

336 ms

main.6f1b0801cff7b64dda07.min.js

950 ms

pl_PL.js

457 ms

user.js

456 ms

Our browser made a total of 22 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Ewa.bytom.pl, 9% (2 requests) were made to Stats.g.doubleclick.net and 5% (1 request) were made to Dcsaascdn.net. The less responsive or slowest element that took the longest time to load (1.1 sec) relates to the external source Polskaksiegarnia.pl.

Page Optimization Overview & Recommendations

Page size can be reduced by 241.0 kB (36%)

Content Size

664.7 kB

After Optimization

423.7 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Ewa.bytom.pl main page is 664.7 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. 15% of websites need less resources to load. Javascripts take 284.0 kB which makes up the majority of the site volume.

HTML Optimization

-91%

Potential reduce by 211.2 kB

  • Original 231.5 kB
  • After minification 110.4 kB
  • After compression 20.3 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 121.1 kB, which is 52% 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 211.2 kB or 91% of the original size.

Image Optimization

-0%

Potential reduce by 66 B

  • Original 96.4 kB
  • After minification 96.3 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. Ewa Bytom images are well optimized though.

JavaScript Optimization

-10%

Potential reduce by 29.8 kB

  • Original 284.0 kB
  • After minification 284.0 kB
  • After compression 254.2 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. This website has mostly compressed JavaScripts.

CSS Optimization

-0%

Potential reduce by 0 B

  • Original 52.8 kB
  • After minification 52.8 kB
  • After compression 52.8 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. Ewa.bytom.pl has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 6 (38%)

Requests Now

16

After Optimization

10

  • Images
  • JavaScript
  • CSS

The browser has sent 16 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 7 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

polskaksiegarnia.pl

polskaksiegarnia.pl

1113 ms

MTI6Njk1OjUuMjQuMTk.css

MTI6Njk1OjUuMjQuMTk.css

336 ms

main.6f1b0801cff7b64dda07.min.js

main.6f1b0801cff7b64dda07.min.js

950 ms

pl_PL.js

pl_PL.js

457 ms

user.js

user.js

456 ms

front-api-1.4.0.min.js

front-api-1.4.0.min.js

505 ms

js

js

64 ms

script.js

script.js

602 ms

1px.gif

1px.gif

168 ms

logo.jpg

logo.jpg

165 ms

loader.svg

loader.svg

166 ms

6.jpg

6.jpg

216 ms

Certyfikat%20Ma%C5%82ej%20Ksiegarni_red.png

Certyfikat%20Ma%C5%82ej%20Ksiegarni_red.png

212 ms

logo_background.png

logo_background.png

137 ms

ico_mail.png

ico_mail.png

138 ms

rwd-custom.woff

rwd-custom.woff

116 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

149 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

149 ms

dc.js

dc.js

22 ms

__utm.gif

__utm.gif

11 ms

fontawesome-webfont.ttf

fontawesome-webfont.ttf

115 ms

fontawesome-webfont.svg

fontawesome-webfont.svg

114 ms

Accessibility Review

ewa.bytom.pl accessibility score

68

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

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

Heading elements are not in a sequentially-descending order

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

58

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

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

    PL

  • 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 matches the claimed 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: