Tools & Wizards About Us
z500.si screenshot

Report Summary

  • 71

    Performance

    Renders faster than
    81% of other websites

  • 69

    Accessibility

    Visual factors better than
    that of 34% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

z500.si

Z500.si - Tipski projekti hiš in garaž - Glavna stran

Page Load Speed

4.6 sec in total

First Response

805 ms

Resources Loaded

3.4 sec

Page Rendered

306 ms

z500.si screenshot

About Website

Click here to check amazing Z500 content for Slovenia. Otherwise, check out these important facts you probably never knew about z500.si

Podjetje Z500 je največji ponudnik tipskih projektov družinskih hiš na slovenskem trgu. odlikuje nas največja ponudba KVALITETNIH tipskih projektov - v svoji ponudbi imamo preko 650 projektov. kvalite...

Visit z500.si

Key Findings

We analyzed Z500.si page load time and found that the first response time was 805 ms and then it took 3.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

z500.si performance score

71

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.6 s

93/100

10%

LCP (Largest Contentful Paint)

Value4.2 s

45/100

25%

SI (Speed Index)

Value2.9 s

95/100

10%

TBT (Total Blocking Time)

Value30 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.738

6/100

15%

TTI (Time to Interactive)

Value1.8 s

100/100

10%

Network Requests Diagram

z500.si

805 ms

reset-min.css

112 ms

fonts.css

212 ms

common.css

215 ms

frontend.css

216 ms

Our browser made a total of 86 requests to load all elements on the main page. We found that 97% of them (83 requests) were addressed to the original Z500.si, 2% (2 requests) were made to Google-analytics.com and 1% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (1.9 sec) belongs to the original domain Z500.si.

Page Optimization Overview & Recommendations

Page size can be reduced by 71.6 kB (8%)

Content Size

943.5 kB

After Optimization

871.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Z500.si main page is 943.5 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 55% of websites need less resources to load. Images take 715.9 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 45.8 kB

  • Original 56.9 kB
  • After minification 51.0 kB
  • After compression 11.1 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. 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 45.8 kB or 81% of the original size.

Image Optimization

-2%

Potential reduce by 15.6 kB

  • Original 715.9 kB
  • After minification 700.3 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. Z500 images are well optimized though.

JavaScript Optimization

-5%

Potential reduce by 7.4 kB

  • Original 154.9 kB
  • After minification 154.0 kB
  • After compression 147.6 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

-18%

Potential reduce by 2.8 kB

  • Original 15.7 kB
  • After minification 15.7 kB
  • After compression 12.9 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. Z500.si needs all CSS files to be minified and compressed as it can save up to 2.8 kB or 18% of the original size.

Requests Breakdown

Number of requests can be reduced by 49 (60%)

Requests Now

82

After Optimization

33

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 82 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Z500. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 17 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

z500.si

z500.si

805 ms

reset-min.css

reset-min.css

112 ms

fonts.css

fonts.css

212 ms

common.css

common.css

215 ms

frontend.css

frontend.css

216 ms

jquery.fancybox-1.3.1.css

jquery.fancybox-1.3.1.css

218 ms

jquery.smartsuggest.css

jquery.smartsuggest.css

219 ms

homepage.css

homepage.css

223 ms

styles.css

styles.css

317 ms

jquery-1.8.2.min.js

jquery-1.8.2.min.js

437 ms

jquery-ui-1.9.1.custom.min.js

jquery-ui-1.9.1.custom.min.js

554 ms

modernizr.min.js

modernizr.min.js

325 ms

jquery.cookie.js

jquery.cookie.js

326 ms

jquery.fancybox-1.3.1.pack.js

jquery.fancybox-1.3.1.pack.js

334 ms

jquery.i18n.js

jquery.i18n.js

422 ms

sl.js

sl.js

435 ms

jquery.z-security.js

jquery.z-security.js

435 ms

jquery.easing-1.3.pack.js

jquery.easing-1.3.pack.js

449 ms

jquery.mousewheel-3.0.2.pack.js

jquery.mousewheel-3.0.2.pack.js

527 ms

jquery.smartsuggest.js

jquery.smartsuggest.js

544 ms

common.js

common.js

547 ms

ajax.lib.js

ajax.lib.js

545 ms

jquery.json.js

jquery.json.js

587 ms

init.min.js.php

init.min.js.php

635 ms

logo.png

logo.png

114 ms

si.png

si.png

112 ms

lang-unfold.png

lang-unfold.png

111 ms

pl.png

pl.png

112 ms

us.png

us.png

112 ms

gb.png

gb.png

111 ms

ua.png

ua.png

212 ms

ru.png

ru.png

228 ms

hr.png

hr.png

228 ms

es.png

es.png

229 ms

kz.png

kz.png

230 ms

au.png

au.png

231 ms

sk.png

sk.png

316 ms

cz.png

cz.png

319 ms

no.png

no.png

321 ms

home-tab.png

home-tab.png

324 ms

home.png

home.png

325 ms

top-search.png

top-search.png

332 ms

search-down-arrow.png

search-down-arrow.png

422 ms

searchbox-area-scale.png

searchbox-area-scale.png

426 ms

search-right-arrow.png

search-right-arrow.png

428 ms

searchbox-search-button.png

searchbox-search-button.png

432 ms

arrow-left.png

arrow-left.png

433 ms

arrow-right.png

arrow-right.png

442 ms

thumb.php

thumb.php

866 ms

thumb.php

thumb.php

648 ms

thumb.php

thumb.php

662 ms

thumb.php

thumb.php

1875 ms

thumb.php

thumb.php

1654 ms

tools-icons-list.png

tools-icons-list.png

553 ms

thumb.php

thumb.php

786 ms

thumb.php

thumb.php

768 ms

thumb.php

thumb.php

804 ms

thumb.php

thumb.php

885 ms

thumb.php

thumb.php

918 ms

analytics.js

analytics.js

42 ms

thumb.php

thumb.php

832 ms

collect

collect

36 ms

opensans-regular-webfont.ttf

opensans-regular-webfont.ttf

863 ms

opensans-light-webfont.ttf

opensans-light-webfont.ttf

885 ms

opensans-bold-webfont.ttf

opensans-bold-webfont.ttf

1029 ms

thumb.php

thumb.php

937 ms

thumb.php

thumb.php

972 ms

thumb.php

thumb.php

993 ms

js

js

67 ms

thumb.php

thumb.php

949 ms

thumb.php

thumb.php

968 ms

arrow-right5.png

arrow-right5.png

985 ms

newsletter-arrow.png

newsletter-arrow.png

1022 ms

detail-page-button-bg.png

detail-page-button-bg.png

1037 ms

box-katalogi.png

box-katalogi.png

1070 ms

social-icons.png

social-icons.png

1005 ms

slideArrow.png

slideArrow.png

1044 ms

arrowLeft.png

arrowLeft.png

1054 ms

arrowRight.png

arrowRight.png

1082 ms

slideArrowUp.png

slideArrowUp.png

1101 ms

clear.png

clear.png

1142 ms

projects-list-overlay-bg.png

projects-list-overlay-bg.png

1060 ms

projects-list-overlay-icons.png

projects-list-overlay-icons.png

1086 ms

searchbox-area-range.png

searchbox-area-range.png

1105 ms

searchbox-area-handle.png

searchbox-area-handle.png

1151 ms

print.css

print.css

113 ms

Accessibility Review

z500.si accessibility score

69

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 are not valid or misspelled

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.

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

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

z500.si best practices score

75

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

SEO Factors

z500.si SEO score

69

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

Language and Encoding

  • Language Detected

    SL

  • Language Claimed

    SL

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Z500.si can be misinterpreted by Google and other search engines. Our service has detected that Slovenian is used on the page, and it matches the claimed language. Our system also found out that Z500.si 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

z500.si

Open Graph description is not detected on the main page of Z500. 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: