Tools & Wizards About Us
4bowl.pl screenshot

Report Summary

  • 20

    Performance

    Renders faster than
    37% of other websites

  • 81

    Accessibility

    Visual factors better than
    that of 51% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

4bowl.pl

4bowl - online reservation system and booking software

Page Load Speed

3.7 sec in total

First Response

348 ms

Resources Loaded

2.7 sec

Page Rendered

638 ms

4bowl.pl screenshot

About Website

Visit 4bowl.pl now to see the best up-to-date 4 Bowl content for Germany and also check out these interesting facts you probably never knew about 4bowl.pl

Online Reservation system for bowling centers and sport centers - bowling, billard, tennis, squash, lasertag, golf, racing simulators - PC, Mac, Linux, Tablet

Visit 4bowl.pl

Key Findings

We analyzed 4bowl.pl page load time and found that the first response time was 348 ms and then it took 3.4 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

4bowl.pl performance score

20

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.7 s

30/100

10%

LCP (Largest Contentful Paint)

Value9.1 s

1/100

25%

SI (Speed Index)

Value5.5 s

55/100

10%

TBT (Total Blocking Time)

Value1,290 ms

18/100

30%

CLS (Cumulative Layout Shift)

Value0.362

30/100

15%

TTI (Time to Interactive)

Value13.6 s

11/100

10%

Network Requests Diagram

4bowl.pl

348 ms

4bowl.pl

461 ms

bootstrap.min.css

115 ms

jquery.fancybox.css

228 ms

flexslider.css

320 ms

Our browser made a total of 89 requests to load all elements on the main page. We found that 69% of them (61 requests) were addressed to the original 4bowl.pl, 15% (13 requests) were made to Embed.tawk.to and 4% (4 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (1 sec) belongs to the original domain 4bowl.pl.

Page Optimization Overview & Recommendations

Page size can be reduced by 125.0 kB (9%)

Content Size

1.4 MB

After Optimization

1.3 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of 4bowl.pl main page is 1.4 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. 60% of websites need less resources to load. Images take 1.1 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 32.4 kB

  • Original 39.5 kB
  • After minification 27.8 kB
  • After compression 7.1 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 11.7 kB, which is 30% 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 32.4 kB or 82% of the original size.

Image Optimization

-5%

Potential reduce by 52.8 kB

  • Original 1.1 MB
  • After minification 1.0 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. 4 Bowl images are well optimized though.

JavaScript Optimization

-13%

Potential reduce by 33.1 kB

  • Original 246.2 kB
  • After minification 246.2 kB
  • After compression 213.1 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 33.1 kB or 13% of the original size.

CSS Optimization

-11%

Potential reduce by 6.7 kB

  • Original 62.5 kB
  • After minification 62.5 kB
  • After compression 55.7 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. 4bowl.pl needs all CSS files to be minified and compressed as it can save up to 6.7 kB or 11% of the original size.

Requests Breakdown

Number of requests can be reduced by 44 (54%)

Requests Now

81

After Optimization

37

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 81 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 4 Bowl. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 32 to 1 for JavaScripts and from 14 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

4bowl.pl

4bowl.pl

348 ms

4bowl.pl

4bowl.pl

461 ms

bootstrap.min.css

bootstrap.min.css

115 ms

jquery.fancybox.css

jquery.fancybox.css

228 ms

flexslider.css

flexslider.css

320 ms

style.css

style.css

323 ms

default.css

default.css

321 ms

font-awesome.min.css

font-awesome.min.css

327 ms

ss-gizmo.css

ss-gizmo.css

331 ms

jquery-1.10.2.js

jquery-1.10.2.js

32 ms

jquery-ui.min.js

jquery-ui.min.js

36 ms

jquery-ui.css

jquery-ui.css

38 ms

js

js

67 ms

jquery.easing.1.3.js

jquery.easing.1.3.js

335 ms

bootstrap.min.js

bootstrap.min.js

427 ms

retina.min.js

retina.min.js

426 ms

jquery.fancybox.pack.js

jquery.fancybox.pack.js

429 ms

jquery.fancybox-media.js

jquery.fancybox-media.js

427 ms

prettify.js

prettify.js

429 ms

jquery.quicksand.js

jquery.quicksand.js

440 ms

setting.js

setting.js

532 ms

jquery.flexslider.js

jquery.flexslider.js

536 ms

animate.js

animate.js

533 ms

custom.js

custom.js

536 ms

image-map-pro.min.js

image-map-pro.min.js

538 ms

image-map-pro.min.css

image-map-pro.min.css

546 ms

css

css

46 ms

prettify.css

prettify.css

321 ms

custom-fonts.css

custom-fonts.css

323 ms

overwrite.css

overwrite.css

326 ms

animate.css

animate.css

329 ms

bg.jpg

bg.jpg

249 ms

analytics.js

analytics.js

198 ms

fbevents.js

fbevents.js

197 ms

637811178

637811178

324 ms

4bowl_logo_200.png

4bowl_logo_200.png

203 ms

background-blur.jpg

background-blur.jpg

289 ms

4bowl_mockup_27_450.png

4bowl_mockup_27_450.png

499 ms

4bowl_mockup_16_450.png

4bowl_mockup_16_450.png

605 ms

4bowl_mockup_18_450.png

4bowl_mockup_18_450.png

501 ms

bg-box2.jpg

bg-box2.jpg

313 ms

4bowl_mockup_32_450.png

4bowl_mockup_32_450.png

517 ms

4bowl_mockup_19_2.png

4bowl_mockup_19_2.png

609 ms

bowling-world-germany2.png

bowling-world-germany2.png

416 ms

bowling-universum.png

bowling-universum.png

524 ms

usfun.png

usfun.png

606 ms

blu-bowl.png

blu-bowl.png

607 ms

vegas-luebeck.png

vegas-luebeck.png

624 ms

prestige-bowling.png

prestige-bowling.png

631 ms

all-in-lu.png

all-in-lu.png

711 ms

bolzano.png

bolzano.png

712 ms

bobs.png

bobs.png

714 ms

xxl-sportcenter.png

xxl-sportcenter.png

716 ms

sport1001.png

sport1001.png

730 ms

seaside-bowling.png

seaside-bowling.png

738 ms

fazz-bowling.png

fazz-bowling.png

818 ms

funcity.png

funcity.png

817 ms

bowlplay.png

bowlplay.png

820 ms

joes-bowling.png

joes-bowling.png

822 ms

a10.png

a10.png

836 ms

westbowl.png

westbowl.png

844 ms

bowling-bienne.png

bowling-bienne.png

924 ms

werkbowling.png

werkbowling.png

924 ms

starbowling-ingelheim.png

starbowling-ingelheim.png

927 ms

kangaroos-land.png

kangaroos-land.png

929 ms

world-of-bowl.png

world-of-bowl.png

943 ms

xtreme.png

xtreme.png

952 ms

bg-footer.jpg

bg-footer.jpg

1040 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0B4gaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0B4gaVc.ttf

202 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4gaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4gaVc.ttf

230 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsgH1x4gaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsgH1x4gaVc.ttf

234 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1x4gaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1x4gaVc.ttf

253 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

962 ms

default

default

271 ms

collect

collect

32 ms

js

js

61 ms

api.js

api.js

11 ms

twk-arr-find-polyfill.js

twk-arr-find-polyfill.js

59 ms

twk-object-values-polyfill.js

twk-object-values-polyfill.js

69 ms

twk-event-polyfill.js

twk-event-polyfill.js

68 ms

twk-entries-polyfill.js

twk-entries-polyfill.js

69 ms

twk-iterator-polyfill.js

twk-iterator-polyfill.js

80 ms

twk-promise-polyfill.js

twk-promise-polyfill.js

75 ms

twk-main.js

twk-main.js

61 ms

twk-vendor.js

twk-vendor.js

94 ms

twk-chunk-vendors.js

twk-chunk-vendors.js

95 ms

twk-chunk-common.js

twk-chunk-common.js

82 ms

twk-runtime.js

twk-runtime.js

81 ms

twk-app.js

twk-app.js

94 ms

Accessibility Review

4bowl.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

Heading elements are not in a sequentially-descending order

Best Practices

4bowl.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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

4bowl.pl SEO score

90

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

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise 4bowl.pl can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that 4bowl.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

4bowl.pl

Open Graph description is not detected on the main page of 4 Bowl. 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: