Tools & Wizards About Us
surfszkola.pl screenshot

Report Summary

  • 8

    Performance

    Renders faster than
    22% of other websites

  • 70

    Accessibility

    Visual factors better than
    that of 35% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

surfszkola.pl

Szkoła kitesurfingu i windsurfingu Jastarnia • SurfSzkola.pl

Page Load Speed

6.1 sec in total

First Response

263 ms

Resources Loaded

5.5 sec

Page Rendered

248 ms

surfszkola.pl screenshot

About Website

Visit surfszkola.pl now to see the best up-to-date Surf Szkola content and also check out these interesting facts you probably never knew about surfszkola.pl

Profesjonalna szkoła Kitesurfingu i Windsurfingu w Jastarnii • Szkolenia, kursy i wypożyczalnia desek • Zacznij swoją przygodę razem z nami! • Wejdź teraz!

Visit surfszkola.pl

Key Findings

We analyzed Surfszkola.pl page load time and found that the first response time was 263 ms and then it took 5.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

surfszkola.pl performance score

8

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.4 s

16/100

10%

LCP (Largest Contentful Paint)

Value18.7 s

0/100

25%

SI (Speed Index)

Value11.3 s

5/100

10%

TBT (Total Blocking Time)

Value1,510 ms

14/100

30%

CLS (Cumulative Layout Shift)

Value0.582

11/100

15%

TTI (Time to Interactive)

Value16.9 s

5/100

10%

Network Requests Diagram

surfszkola.pl

263 ms

surfszkola.pl

2342 ms

css

32 ms

style.css

374 ms

custom.css

352 ms

Our browser made a total of 139 requests to load all elements on the main page. We found that 54% of them (75 requests) were addressed to the original Surfszkola.pl, 29% (40 requests) were made to Fonts.gstatic.com and 6% (9 requests) were made to Embed.windy.com. The less responsive or slowest element that took the longest time to load (2.3 sec) belongs to the original domain Surfszkola.pl.

Page Optimization Overview & Recommendations

Page size can be reduced by 256.2 kB (8%)

Content Size

3.2 MB

After Optimization

3.0 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Surfszkola.pl main page is 3.2 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. 70% of websites need less resources to load. Images take 2.5 MB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 74.2 kB

  • Original 98.1 kB
  • After minification 93.3 kB
  • After compression 23.9 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 74.2 kB or 76% of the original size.

Image Optimization

-5%

Potential reduce by 116.0 kB

  • Original 2.5 MB
  • After minification 2.4 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. Surf Szkola images are well optimized though.

JavaScript Optimization

-9%

Potential reduce by 43.3 kB

  • Original 508.0 kB
  • After minification 508.0 kB
  • After compression 464.7 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

-17%

Potential reduce by 22.7 kB

  • Original 135.4 kB
  • After minification 135.4 kB
  • After compression 112.8 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. Surfszkola.pl needs all CSS files to be minified and compressed as it can save up to 22.7 kB or 17% of the original size.

Requests Breakdown

Number of requests can be reduced by 47 (51%)

Requests Now

93

After Optimization

46

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 93 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Surf Szkola. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 18 to 1 for JavaScripts and from 16 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

surfszkola.pl

surfszkola.pl

263 ms

surfszkola.pl

surfszkola.pl

2342 ms

css

css

32 ms

style.css

style.css

374 ms

custom.css

custom.css

352 ms

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30 ms

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197 ms

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318 ms

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375 ms

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379 ms

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65 ms

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784 ms

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937 ms

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leaflet140_patched_tileLayer.v17.js

leaflet140_patched_tileLayer.v17.js

10 ms

embed2.js

embed2.js

25 ms

BillabongLogo-Men.png

BillabongLogo-Men.png

1230 ms

polyfills.v13.js

polyfills.v13.js

7 ms

surfinc%20logo.png

surfinc%20logo.png

1257 ms

sprite_64.png

sprite_64.png

41 ms

logo-text-windycom-white.svg

logo-text-windycom-white.svg

39 ms

iconfont.woff

iconfont.woff

2 ms

nobile.png

nobile.png

1200 ms

Duotone_Logo_Turquoise_RGB.png

Duotone_Logo_Turquoise_RGB.png

1159 ms

F20_LOGO_BLACK.png

F20_LOGO_BLACK.png

1077 ms

pzkite.png

pzkite.png

1040 ms

vdws.png

vdws.png

1086 ms

ion.jpg

ion.jpg

1025 ms

supersurf.png

supersurf.png

1082 ms

nowa_jastarnia.png

nowa_jastarnia.png

1006 ms

overlay.png

overlay.png

952 ms

Accessibility Review

surfszkola.pl accessibility score

70

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

High

Image elements do not have [alt] attributes

High

Links do not have a discernible 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

Internationalization and localization

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

Impact

Issue

High

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

Tables and lists

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

Impact

Issue

High

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

Best Practices

surfszkola.pl best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

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

surfszkola.pl SEO score

86

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

Content Best Practices

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

Impact

Issue

High

Image elements do not have [alt] attributes

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

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 Surfszkola.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 Surfszkola.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

surfszkola.pl

Open Graph data is detected on the main page of Surf Szkola. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: