Tools & Wizards About Us
trenerzy.net screenshot

Report Summary

  • 33

    Performance

    Renders faster than
    53% of other websites

  • 85

    Accessibility

    Visual factors better than
    that of 58% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

trenerzy.net

Baza trenerów personalnych i instruktorów - znajdź trenera dla siebie!

Page Load Speed

4.3 sec in total

First Response

785 ms

Resources Loaded

2.9 sec

Page Rendered

577 ms

trenerzy.net screenshot

About Website

Visit trenerzy.net now to see the best up-to-date Trenerzy content and also check out these interesting facts you probably never knew about trenerzy.net

Trenerzy.net to serwis, w którym bardzo szybko znajdziesz trenera personalnego, dietetyka lub instruktora z każdego regionu Polski.

Visit trenerzy.net

Key Findings

We analyzed Trenerzy.net page load time and found that the first response time was 785 ms and then it took 3.5 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

trenerzy.net performance score

33

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.3 s

41/100

10%

LCP (Largest Contentful Paint)

Value9.3 s

1/100

25%

SI (Speed Index)

Value5.8 s

49/100

10%

TBT (Total Blocking Time)

Value920 ms

31/100

30%

CLS (Cumulative Layout Shift)

Value0.136

80/100

15%

TTI (Time to Interactive)

Value10.3 s

25/100

10%

Network Requests Diagram

trenerzy.net

785 ms

gtm.js

61 ms

bootstrap.min.css

115 ms

bootstrap-responsive.min.css

229 ms

content.css

312 ms

Our browser made a total of 63 requests to load all elements on the main page. We found that 79% of them (50 requests) were addressed to the original Trenerzy.net, 5% (3 requests) were made to Googleads.g.doubleclick.net and 3% (2 requests) were made to Pagead2.googlesyndication.com. The less responsive or slowest element that took the longest time to load (931 ms) belongs to the original domain Trenerzy.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 706.9 kB (33%)

Content Size

2.2 MB

After Optimization

1.5 MB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Trenerzy.net main page is 2.2 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. 60% of websites need less resources to load. Images take 1.7 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 90.0 kB

  • Original 108.3 kB
  • After minification 98.4 kB
  • After compression 18.3 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. 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 90.0 kB or 83% of the original size.

Image Optimization

-29%

Potential reduce by 490.8 kB

  • Original 1.7 MB
  • After minification 1.2 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. Obviously, Trenerzy needs image optimization as it can save up to 490.8 kB or 29% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-34%

Potential reduce by 126.1 kB

  • Original 368.0 kB
  • After minification 368.0 kB
  • After compression 241.9 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 126.1 kB or 34% of the original size.

Requests Breakdown

Number of requests can be reduced by 21 (35%)

Requests Now

60

After Optimization

39

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 60 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Trenerzy. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

trenerzy.net

trenerzy.net

785 ms

gtm.js

gtm.js

61 ms

bootstrap.min.css

bootstrap.min.css

115 ms

bootstrap-responsive.min.css

bootstrap-responsive.min.css

229 ms

content.css

content.css

312 ms

cssmap-poland.css

cssmap-poland.css

328 ms

module_default.css

module_default.css

327 ms

jquery.min.js

jquery.min.js

435 ms

jquery-noconflict.js

jquery-noconflict.js

341 ms

jquery-migrate.min.js

jquery-migrate.min.js

344 ms

bootstrap.min.js

bootstrap.min.js

415 ms

namespace.js

namespace.js

457 ms

resize.js

resize.js

457 ms

jquery.cssmap.js

jquery.cssmap.js

458 ms

jquery.liveFilter.js

jquery.liveFilter.js

459 ms

acymailing_module.js

acymailing_module.js

518 ms

838ba577618f83aed471301f91b010ce.css

838ba577618f83aed471301f91b010ce.css

542 ms

index.php

index.php

595 ms

css

css

39 ms

adsbygoogle.js

adsbygoogle.js

169 ms

hotjar-1394861.js

hotjar-1394861.js

188 ms

logo.png

logo.png

145 ms

bn_nacyklupl.jpg

bn_nacyklupl.jpg

145 ms

img_0-392.jpg

img_0-392.jpg

369 ms

no-image-big.jpg

no-image-big.jpg

144 ms

img_0-390.jpg

img_0-390.jpg

252 ms

img_0-389.jpg

img_0-389.jpg

463 ms

img_0-388.jpg

img_0-388.jpg

356 ms

img_0-250.jpg

img_0-250.jpg

251 ms

img_0-318.jpg

img_0-318.jpg

253 ms

img_0-337.jpg

img_0-337.jpg

458 ms

img_0-353.jpg

img_0-353.jpg

561 ms

img_0-252.jpg

img_0-252.jpg

346 ms

img_0-278.jpg

img_0-278.jpg

462 ms

img_0-164.png

img_0-164.png

697 ms

img_0-258.jpg

img_0-258.jpg

497 ms

img_0-320.jpg

img_0-320.jpg

547 ms

kurs-instruktor-samoobrony-w-kar-group.jpg

kurs-instruktor-samoobrony-w-kar-group.jpg

675 ms

rozgrzewka-przed-treningiem.jpg

rozgrzewka-przed-treningiem.jpg

686 ms

naturalne-spalacze-tluszczu.jpg

naturalne-spalacze-tluszczu.jpg

690 ms

3-dniowy-trening-na-mase.jpg

3-dniowy-trening-na-mase.jpg

651 ms

najlepszy-4-dniowy-trening-na-mase.jpg

najlepszy-4-dniowy-trening-na-mase.jpg

668 ms

sygnet.png

sygnet.png

754 ms

facebook.png

facebook.png

777 ms

pinterest.png

pinterest.png

781 ms

youtube.png

youtube.png

799 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4uaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4uaVc.ttf

106 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1x4uaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1x4uaVc.ttf

106 ms

all.js

all.js

65 ms

bg1.jpg

bg1.jpg

931 ms

glyphicons-halflings-white.png

glyphicons-halflings-white.png

841 ms

search_bg_l.png

search_bg_l.png

744 ms

search_button.png

search_button.png

770 ms

search_bg_r.png

search_bg_r.png

775 ms

show_ads_impl.js

show_ads_impl.js

262 ms

stars-orange-grey.png

stars-orange-grey.png

788 ms

pl-340.png

pl-340.png

883 ms

all.js

all.js

13 ms

41 ms

zrt_lookup.html

zrt_lookup.html

39 ms

ads

ads

637 ms

ads

ads

340 ms

glyphicons-halflings.png

glyphicons-halflings.png

554 ms

Accessibility Review

trenerzy.net accessibility score

85

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

Form elements do not have associated labels

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

trenerzy.net best practices score

67

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

Page has valid source maps

SEO Factors

trenerzy.net 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

    PL

  • Language Claimed

    PL

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Trenerzy.net 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 Trenerzy.net 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

trenerzy.net

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