Tools & Wizards About Us
z500.us screenshot

Report Summary

  • 33

    Performance

    Renders faster than
    53% of other websites

  • 94

    Accessibility

    Visual factors better than
    that of 83% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 88

    SEO

    Google-friendlier than
    65% of websites

z500.us

Z500 - Projects of houses and garages, family houses

Page Load Speed

1.4 sec in total

First Response

320 ms

Resources Loaded

1.1 sec

Page Rendered

0 ms

z500.us screenshot

About Website

Welcome to z500.us homepage info - get ready to check Z500 best content right away, or after learning these important things about z500.us

Z500. Projekty domów, domy drewniane, domy nowoczesne, projekty garaży, domy luksusowe, pensjonaty, hotele. Duży wybór projektów. Domy tradycyjne, małe domy, domy z bali, projekty małych i ekonomiczny...

Visit z500.us

Key Findings

We analyzed Z500.us page load time and found that the first response time was 320 ms and then it took 1.1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.

Performance Metrics

z500.us performance score

33

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.8 s

27/100

10%

LCP (Largest Contentful Paint)

Value11.0 s

0/100

25%

SI (Speed Index)

Value5.5 s

55/100

10%

TBT (Total Blocking Time)

Value980 ms

28/100

30%

CLS (Cumulative Layout Shift)

Value0.065

97/100

15%

TTI (Time to Interactive)

Value10.9 s

21/100

10%

Network Requests Diagram

z500.us

320 ms

z500.us

686 ms

9953.fc27d0b6.css

25 ms

869b6c06fc66c46d26b5f1c31a6b74916a2424f3-11995484597.css

30 ms

frontend_header.6f98f6d6.css

28 ms

Our browser made a total of 32 requests to load all elements on the main page. We found that 6% of them (2 requests) were addressed to the original Z500.us, 72% (23 requests) were made to D1vwrpc2cfniqm.cloudfront.net and 13% (4 requests) were made to Assets.z500.pl. The less responsive or slowest element that took the longest time to load (686 ms) belongs to the original domain Z500.us.

Page Optimization Overview & Recommendations

Page size can be reduced by 635.6 kB (70%)

Content Size

902.1 kB

After Optimization

266.5 kB

  • HTML
  • JavaScript
  • CSS

In fact, the total size of Z500.us main page is 902.1 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. 35% of websites need less resources to load. Javascripts take 631.3 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 86.9 kB

  • Original 103.9 kB
  • After minification 103.6 kB
  • After compression 17.0 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 86.9 kB or 84% of the original size.

JavaScript Optimization

-64%

Potential reduce by 403.9 kB

  • Original 631.3 kB
  • After minification 631.3 kB
  • After compression 227.4 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 403.9 kB or 64% of the original size.

CSS Optimization

-87%

Potential reduce by 144.7 kB

  • Original 166.8 kB
  • After minification 62.3 kB
  • After compression 22.1 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.us needs all CSS files to be minified and compressed as it can save up to 144.7 kB or 87% of the original size.

Requests Breakdown

Number of requests can be reduced by 28 (93%)

Requests Now

30

After Optimization

2

  • JavaScript
  • CSS

The browser has sent 30 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 23 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

z500.us

z500.us

320 ms

z500.us

z500.us

686 ms

9953.fc27d0b6.css

9953.fc27d0b6.css

25 ms

869b6c06fc66c46d26b5f1c31a6b74916a2424f3-11995484597.css

869b6c06fc66c46d26b5f1c31a6b74916a2424f3-11995484597.css

30 ms

frontend_header.6f98f6d6.css

frontend_header.6f98f6d6.css

28 ms

096d4d7d2b700c9b79313bba36ab7a471ab2ef74-1706108634.css

096d4d7d2b700c9b79313bba36ab7a471ab2ef74-1706108634.css

38 ms

5633.67f00f8c.css

5633.67f00f8c.css

32 ms

frontend_main.a905e54d.css

frontend_main.a905e54d.css

32 ms

0ed25dcc4cdab53580059187b973e63507aad3ce-1706108588.css

0ed25dcc4cdab53580059187b973e63507aad3ce-1706108588.css

63 ms

platform.js

platform.js

35 ms

939dc10942.js

939dc10942.js

61 ms

3a93b3762257ff6b8b0c49ee0f2a03bfca1e6a81-6824439192.js

3a93b3762257ff6b8b0c49ee0f2a03bfca1e6a81-6824439192.js

10 ms

runtime.1732334c.js

runtime.1732334c.js

9 ms

9669.85235ac5.js

9669.85235ac5.js

9 ms

frontend_header.d028d5bc.js

frontend_header.d028d5bc.js

9 ms

798.c65c7aba.js

798.c65c7aba.js

16 ms

9989.7fdcbb2f.js

9989.7fdcbb2f.js

16 ms

2807.7061d7b3.js

2807.7061d7b3.js

16 ms

2892.1a31fbb2.js

2892.1a31fbb2.js

16 ms

3964.1f062414.js

3964.1f062414.js

16 ms

4554.59b033cc.js

4554.59b033cc.js

19 ms

1341.230096b8.js

1341.230096b8.js

20 ms

1142.0c0a3023.js

1142.0c0a3023.js

20 ms

4812.7f510436.js

4812.7f510436.js

20 ms

706.e5de094e.js

706.e5de094e.js

21 ms

9722.bd969966.js

9722.bd969966.js

21 ms

6509.4ea8cd11.js

6509.4ea8cd11.js

22 ms

1206.f05f80eb.js

1206.f05f80eb.js

22 ms

5633.343697eb.js

5633.343697eb.js

23 ms

2117.3834e3fd.js

2117.3834e3fd.js

22 ms

frontend_main.acfa6e36.js

frontend_main.acfa6e36.js

23 ms

js

js

67 ms

Accessibility Review

z500.us accessibility score

94

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.

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 valid value for its [lang] attribute.

Best Practices

z500.us 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

SEO Factors

z500.us SEO score

88

Search Engine Optimization Advices

Content Best Practices

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

Impact

Issue

High

Links do not have descriptive text

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

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

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

Open Graph data is detected on the main page of Z500. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: