Tools & Wizards About Us
trenerzy.net screenshot

Report Summary

  • 15

    Performance

    Renders faster than
    28% of other websites

  • 76

    Accessibility

    Visual factors better than
    that of 44% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 90

    SEO

    Google-friendlier than
    69% of websites

trenerzy.net

Baza trenerów personalnych i instruktorów - znajdź trenera dla siebie!

Page Load Speed

4.3 sec in total

First Response

320 ms

Resources Loaded

3.6 sec

Page Rendered

440 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 320 ms and then it took 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

trenerzy.net performance score

15

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.3 s

18/100

10%

LCP (Largest Contentful Paint)

Value6.4 s

9/100

25%

SI (Speed Index)

Value13.2 s

2/100

10%

TBT (Total Blocking Time)

Value19,790 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.166

71/100

15%

TTI (Time to Interactive)

Value29.1 s

0/100

10%

Network Requests Diagram

trenerzy.net

320 ms

www.trenerzy.net

650 ms

bootstrap.min.css

276 ms

bootstrap-responsive.min.css

198 ms

content.css

195 ms

Our browser made a total of 78 requests to load all elements on the main page. We found that 69% of them (54 requests) were addressed to the original Trenerzy.net, 6% (5 requests) were made to Pagead2.googlesyndication.com and 5% (4 requests) were made to Tpc.googlesyndication.com. The less responsive or slowest element that took the longest time to load (1.6 sec) belongs to the original domain Trenerzy.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 436.5 kB (34%)

Content Size

1.3 MB

After Optimization

839.3 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Trenerzy.net main page is 1.3 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. 45% of websites need less resources to load. Images take 735.9 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 76.7 kB

  • Original 93.2 kB
  • After minification 85.4 kB
  • After compression 16.5 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 76.7 kB or 82% of the original size.

Image Optimization

-5%

Potential reduce by 33.4 kB

  • Original 735.9 kB
  • After minification 702.5 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. Trenerzy images are well optimized though.

JavaScript Optimization

-61%

Potential reduce by 130.0 kB

  • Original 214.8 kB
  • After minification 213.3 kB
  • After compression 84.8 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 130.0 kB or 61% of the original size.

CSS Optimization

-85%

Potential reduce by 196.3 kB

  • Original 231.8 kB
  • After minification 197.5 kB
  • After compression 35.5 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. Trenerzy.net needs all CSS files to be minified and compressed as it can save up to 196.3 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 25 (34%)

Requests Now

73

After Optimization

48

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 73 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 19 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

trenerzy.net

trenerzy.net

320 ms

www.trenerzy.net

www.trenerzy.net

650 ms

bootstrap.min.css

bootstrap.min.css

276 ms

bootstrap-responsive.min.css

bootstrap-responsive.min.css

198 ms

content.css

content.css

195 ms

cssmap-poland.css

cssmap-poland.css

219 ms

style.css

style.css

206 ms

layout.css

layout.css

265 ms

jquery.min.js

jquery.min.js

496 ms

jquery-noconflict.js

jquery-noconflict.js

401 ms

jquery-migrate.min.js

jquery-migrate.min.js

402 ms

bootstrap.min.js

bootstrap.min.js

428 ms

namespace.js

namespace.js

470 ms

resize.js

resize.js

481 ms

jquery.cssmap.js

jquery.cssmap.js

592 ms

jquery.liveFilter.js

jquery.liveFilter.js

608 ms

helper.js

helper.js

633 ms

3cd8397cc6a2d2f54e09e54740a9cc20.css

3cd8397cc6a2d2f54e09e54740a9cc20.css

662 ms

index.php

index.php

797 ms

css

css

25 ms

adsbygoogle.js

adsbygoogle.js

5 ms

ga.js

ga.js

15 ms

Small_and_Long.png

Small_and_Long.png

234 ms

logo.png

logo.png

232 ms

baner_728x90_1431424556.jpg

baner_728x90_1431424556.jpg

402 ms

img_0-285.jpg

img_0-285.jpg

305 ms

img_0-284.jpg

img_0-284.jpg

309 ms

img_0-283.jpg

img_0-283.jpg

307 ms

img_0-282.jpg

img_0-282.jpg

413 ms

img_0-279.jpg

img_0-279.jpg

494 ms

img_0-185.jpg

img_0-185.jpg

588 ms

img_0-201.png

img_0-201.png

664 ms

img_0-218.jpg

img_0-218.jpg

606 ms

img_0-234.jpg

img_0-234.jpg

676 ms

img_0-251.jpg

img_0-251.jpg

706 ms

img_0-203.jpg

img_0-203.jpg

785 ms

img_0-262.jpg

img_0-262.jpg

936 ms

img_69242_1793620774112399_1879056693_n.png

img_69242_1793620774112399_1879056693_n.png

965 ms

img_d_452767023904.jpg

img_d_452767023904.jpg

872 ms

img_0-224.jpg

img_0-224.jpg

891 ms

ede5a45c28953eff0d069efd6449b220.jpg

ede5a45c28953eff0d069efd6449b220.jpg

918 ms

5aeb8585ce9906bc9d6765d82f585d97.jpg

5aeb8585ce9906bc9d6765d82f585d97.jpg

976 ms

14b3216a216fdc658f9650e27d0663ae.jpg

14b3216a216fdc658f9650e27d0663ae.jpg

1065 ms

979c825375fc2cf3a69c0bddb6802038.jpg

979c825375fc2cf3a69c0bddb6802038.jpg

1081 ms

sygnet.png

sygnet.png

1110 ms

google-plus.png

google-plus.png

1121 ms

facebook.png

facebook.png

1160 ms

pinterest.png

pinterest.png

1168 ms

twitter.png

twitter.png

1270 ms

youtube.png

youtube.png

1274 ms

u-WUoqrET9fUeobQW7jkRaCWcynf_cDxXwCLxiixG1c.ttf

u-WUoqrET9fUeobQW7jkRaCWcynf_cDxXwCLxiixG1c.ttf

46 ms

k3k702ZOKiLJc3WVjuplzNqQynqKV_9Plp7mupa0S4g.ttf

k3k702ZOKiLJc3WVjuplzNqQynqKV_9Plp7mupa0S4g.ttf

48 ms

all.js

all.js

120 ms

__utm.gif

__utm.gif

19 ms

bg1.jpg

bg1.jpg

1537 ms

glyphicons-halflings-white.png

glyphicons-halflings-white.png

1255 ms

search_bg_l.png

search_bg_l.png

1404 ms

search_button.png

search_button.png

1323 ms

search_bg_r.png

search_bg_r.png

1413 ms

stars-orange-grey.png

stars-orange-grey.png

1418 ms

ca-pub-1346418277797486.js

ca-pub-1346418277797486.js

87 ms

zrt_lookup.html

zrt_lookup.html

85 ms

show_ads_impl.js

show_ads_impl.js

84 ms

pl-340.png

pl-340.png

1582 ms

112 ms

ads

ads

285 ms

xd_arbiter.php

xd_arbiter.php

70 ms

xd_arbiter.php

xd_arbiter.php

124 ms

osd.js

osd.js

8 ms

16880070302226874377

16880070302226874377

40 ms

abg.js

abg.js

40 ms

m_js_controller.js

m_js_controller.js

50 ms

googlelogo_color_112x36dp.png

googlelogo_color_112x36dp.png

36 ms

s

s

26 ms

x_button_blue2.png

x_button_blue2.png

26 ms

Lrq7Jibxdtv2QOPyDSqncpDfQFNs3PE6SoUrUNh2GTU.js

Lrq7Jibxdtv2QOPyDSqncpDfQFNs3PE6SoUrUNh2GTU.js

6 ms

ui

ui

29 ms

xd_arbiter.php

xd_arbiter.php

38 ms

Accessibility Review

trenerzy.net accessibility score

76

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-*] attributes do not match their roles

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

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: