Tools & Wizards About Us
modely-sisel.cz screenshot

Report Summary

  • 45

    Performance

    Renders faster than
    64% of other websites

  • 93

    Accessibility

    Visual factors better than
    that of 80% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

modely-sisel.cz

Modely SiSel - použité železniční modely

Page Load Speed

5.4 sec in total

First Response

429 ms

Resources Loaded

4.7 sec

Page Rendered

319 ms

modely-sisel.cz screenshot

About Website

Click here to check amazing Modely Si Sel content for Czech Republic. Otherwise, check out these important facts you probably never knew about modely-sisel.cz

internetový obchod s použitými železničními modely

Visit modely-sisel.cz

Key Findings

We analyzed Modely-sisel.cz page load time and found that the first response time was 429 ms and then it took 5 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

modely-sisel.cz performance score

45

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value7.5 s

1/100

10%

LCP (Largest Contentful Paint)

Value9.0 s

1/100

25%

SI (Speed Index)

Value11.1 s

6/100

10%

TBT (Total Blocking Time)

Value170 ms

93/100

30%

CLS (Cumulative Layout Shift)

Value0.04

99/100

15%

TTI (Time to Interactive)

Value12.3 s

15/100

10%

Network Requests Diagram

modely-sisel.cz

429 ms

www.modely-sisel.cz

782 ms

jquery.min.js

214 ms

jquery-ui.min.js

536 ms

jquery.ui.datepicker-cz.js

316 ms

Our browser made a total of 93 requests to load all elements on the main page. We found that 71% of them (66 requests) were addressed to the original Modely-sisel.cz, 20% (19 requests) were made to Static.golemos.com and 2% (2 requests) were made to Facebook.com. The less responsive or slowest element that took the longest time to load (1.7 sec) belongs to the original domain Modely-sisel.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 388.7 kB (10%)

Content Size

3.9 MB

After Optimization

3.6 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Modely-sisel.cz main page is 3.9 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 3.5 MB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 103.5 kB

  • Original 119.3 kB
  • After minification 104.4 kB
  • After compression 15.8 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 14.9 kB, which is 12% 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 103.5 kB or 87% of the original size.

Image Optimization

-6%

Potential reduce by 217.1 kB

  • Original 3.5 MB
  • After minification 3.3 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. Modely Si Sel images are well optimized though.

JavaScript Optimization

-26%

Potential reduce by 62.1 kB

  • Original 236.8 kB
  • After minification 236.6 kB
  • After compression 174.7 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 62.1 kB or 26% of the original size.

CSS Optimization

-14%

Potential reduce by 6.0 kB

  • Original 43.9 kB
  • After minification 43.9 kB
  • After compression 37.9 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. Modely-sisel.cz needs all CSS files to be minified and compressed as it can save up to 6.0 kB or 14% of the original size.

Requests Breakdown

Number of requests can be reduced by 33 (38%)

Requests Now

87

After Optimization

54

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 87 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Modely Si Sel. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 25 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

modely-sisel.cz

modely-sisel.cz

429 ms

www.modely-sisel.cz

www.modely-sisel.cz

782 ms

jquery.min.js

jquery.min.js

214 ms

jquery-ui.min.js

jquery-ui.min.js

536 ms

jquery.ui.datepicker-cz.js

jquery.ui.datepicker-cz.js

316 ms

jquery.hoverIntent.minified.js

jquery.hoverIntent.minified.js

315 ms

jquery.qtip.min.js

jquery.qtip.min.js

664 ms

jquery.selectBoxIt.min.js

jquery.selectBoxIt.min.js

773 ms

bs_overlay.js

bs_overlay.js

315 ms

bs_design.js

bs_design.js

315 ms

wa_translation.js

wa_translation.js

326 ms

jquery.selectBoxIt.css

jquery.selectBoxIt.css

887 ms

jquery.qtip.css

jquery.qtip.css

978 ms

font-awesome.min.css

font-awesome.min.css

420 ms

jquery.colorbox.min.js

jquery.colorbox.min.js

978 ms

jquery.colorbox.css

jquery.colorbox.css

981 ms

main_b.css

main_b.css

1086 ms

boxTabulkove_b_ver2.css

boxTabulkove_b_ver2.css

989 ms

common.css

common.css

420 ms

colors.css

colors.css

997 ms

productImageFixTemplateV1-3.css

productImageFixTemplateV1-3.css

419 ms

styles.css

styles.css

417 ms

javascripts.js

javascripts.js

433 ms

bs_user.js

bs_user.js

521 ms

bs_fce.js

bs_fce.js

522 ms

bs_newsletter.js

bs_newsletter.js

523 ms

bs.js

bs.js

521 ms

jquery.number.min.js

jquery.number.min.js

552 ms

search_autocompleter.js

search_autocompleter.js

625 ms

wz_tooltip.js

wz_tooltip.js

626 ms

contentslider.js

contentslider.js

625 ms

wa_url_translator.js

wa_url_translator.js

631 ms

add_basket_fce.js

add_basket_fce.js

636 ms

piwik.js

piwik.js

868 ms

gen__vyr_117_P2130668.jpg

gen__vyr_117_P2130668.jpg

128 ms

gen__vyr_201_p2200584_optimized.jpg

gen__vyr_201_p2200584_optimized.jpg

108 ms

gen__vyr_360_P1161235.jpg

gen__vyr_360_P1161235.jpg

107 ms

_vyrn_24_vyr_24_p2170775_optimized.jpg

_vyrn_24_vyr_24_p2170775_optimized.jpg

527 ms

picture.php

picture.php

525 ms

_vyrn_28P2130663.jpg

_vyrn_28P2130663.jpg

422 ms

picture.php

picture.php

373 ms

_vyrn_29p2170725_optimized.jpg

_vyrn_29p2170725_optimized.jpg

427 ms

picture.php

picture.php

811 ms

_vyrn_30p2170675_optimized.jpg

_vyrn_30p2170675_optimized.jpg

794 ms

_vyr_35_P1122812.jpg

_vyr_35_P1122812.jpg

526 ms

picture.php

picture.php

880 ms

_vyrn_37_vyr_37_p2170707_optimized.jpg

_vyrn_37_vyr_37_p2170707_optimized.jpg

853 ms

picture.php

picture.php

1034 ms

_vyrn_38_vyr_38_p2170693_optimized.jpg

_vyrn_38_vyr_38_p2170693_optimized.jpg

764 ms

picture.php

picture.php

1219 ms

_vyr_39_PC151082.jpg

_vyr_39_PC151082.jpg

898 ms

picture.php

picture.php

1539 ms

gen__vyr_40_p4241008_optimized.webp

gen__vyr_40_p4241008_optimized.webp

960 ms

picture.php

picture.php

1491 ms

gen__vyr_2__vyr_2_p3241089_optimized.jpg

gen__vyr_2__vyr_2_p3241089_optimized.jpg

1004 ms

picture.php

picture.php

1720 ms

gen__vyr_545_PB101935.jpg

gen__vyr_545_PB101935.jpg

1111 ms

empty.gif

empty.gif

1137 ms

gen__vyr_545_PB101935.jpg

gen__vyr_545_PB101935.jpg

1218 ms

gen__vyr_537_p2170636_optimized.jpg

gen__vyr_537_p2170636_optimized.jpg

1318 ms

gen__vyr_537_p2170636_optimized.jpg

gen__vyr_537_p2170636_optimized.jpg

1328 ms

gen__vyr_389_p2190571_optimized.jpg

gen__vyr_389_p2190571_optimized.jpg

1327 ms

gen__vyr_389_p2190571_optimized.jpg

gen__vyr_389_p2190571_optimized.jpg

1432 ms

gen__vyr_305_p2170846_optimized.jpg

gen__vyr_305_p2170846_optimized.jpg

1433 ms

gen__vyr_305_p2170846_optimized.jpg

gen__vyr_305_p2170846_optimized.jpg

1434 ms

gen__vyr_234_p2170510_optimized.jpg

gen__vyr_234_p2170510_optimized.jpg

1538 ms

gen__vyr_234_p2170510_optimized.jpg

gen__vyr_234_p2170510_optimized.jpg

1540 ms

gen__vyr_170_p4261101_optimized.webp

gen__vyr_170_p4261101_optimized.webp

1540 ms

gen__vyr_170_p4261101_optimized.webp

gen__vyr_170_p4261101_optimized.webp

1607 ms

gen__vyr_154_p4240989_optimized.webp

gen__vyr_154_p4240989_optimized.webp

1701 ms

pixel_transparent.gif

pixel_transparent.gif

118 ms

custom_image_header.png

custom_image_header.png

962 ms

basket.png

basket.png

115 ms

tag.png

tag.png

112 ms

tex.png

tex.png

114 ms

buttons.png

buttons.png

337 ms

tex2.png

tex2.png

114 ms

like.php

like.php

252 ms

tex1.png

tex1.png

195 ms

all.js

all.js

70 ms

stock_yes.png

stock_yes.png

197 ms

stav.png

stav.png

181 ms

all.js

all.js

4 ms

gen__vyr_154_p4240989_optimized.webp

gen__vyr_154_p4240989_optimized.webp

1594 ms

gen__vyr_117_P2130668.jpg

gen__vyr_117_P2130668.jpg

1601 ms

35 ms

gen__vyr_41_p2170670_optimized.jpg

gen__vyr_41_p2170670_optimized.jpg

1582 ms

vAyXKx-8ZBt.js

vAyXKx-8ZBt.js

74 ms

gWpQpSsEGQ-.png

gWpQpSsEGQ-.png

67 ms

gen__vyr_41_p2170670_optimized.jpg

gen__vyr_41_p2170670_optimized.jpg

1351 ms

gen__vyr_34_P2130656.jpg

gen__vyr_34_P2130656.jpg

1391 ms

gen__vyr_34_P2130656.jpg

gen__vyr_34_P2130656.jpg

1387 ms

stock_yes.png

stock_yes.png

111 ms

Accessibility Review

modely-sisel.cz accessibility score

93

Accessibility Issues

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.

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

<frame> or <iframe> elements do not have a title

High

Links do not have a discernible name

Best Practices

modely-sisel.cz 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

SEO Factors

modely-sisel.cz SEO score

77

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    CS

  • Language Claimed

    CS

  • Encoding

    UTF-8

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

modely-sisel.cz

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