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Report Summary

  • 94

    Performance

    Renders faster than
    93% of other websites

  • 52

    Accessibility

    Visual factors better than
    that of 21% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

Page Load Speed

4.1 sec in total

First Response

865 ms

Resources Loaded

3.1 sec

Page Rendered

188 ms

zivzav.com screenshot

About Website

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Key Findings

We analyzed Zivzav.com page load time and found that the first response time was 865 ms and then it took 3.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

zivzav.com performance score

94

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value0.8 s

100/100

10%

LCP (Largest Contentful Paint)

Value0.8 s

100/100

25%

SI (Speed Index)

Value0.9 s

100/100

10%

TBT (Total Blocking Time)

Value230 ms

86/100

30%

CLS (Cumulative Layout Shift)

Value0.096

91/100

15%

TTI (Time to Interactive)

Value1.3 s

100/100

10%

Network Requests Diagram

www.zivzav.com

865 ms

wp-emoji-release.min.js

341 ms

pagenavi-css.css

344 ms

style.css

347 ms

jquery.min.js

52 ms

Our browser made a total of 9 requests to load all elements on the main page. We found that 89% of them (8 requests) were addressed to the original Zivzav.com, 11% (1 request) were made to Ajax.googleapis.com. The less responsive or slowest element that took the longest time to load (865 ms) belongs to the original domain Zivzav.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 28.1 kB (25%)

Content Size

112.5 kB

After Optimization

84.4 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Zivzav.com main page is 112.5 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. 15% of websites need less resources to load. Images take 76.3 kB which makes up the majority of the site volume.

HTML Optimization

-63%

Potential reduce by 7.5 kB

  • Original 11.8 kB
  • After minification 11.0 kB
  • After compression 4.4 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 7.5 kB or 63% of the original size.

Image Optimization

-3%

Potential reduce by 2.5 kB

  • Original 76.3 kB
  • After minification 73.9 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. Zivzav images are well optimized though.

JavaScript Optimization

-71%

Potential reduce by 10.4 kB

  • Original 14.6 kB
  • After minification 14.6 kB
  • After compression 4.3 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 10.4 kB or 71% of the original size.

CSS Optimization

-80%

Potential reduce by 7.7 kB

  • Original 9.6 kB
  • After minification 5.7 kB
  • After compression 1.9 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. Zivzav.com needs all CSS files to be minified and compressed as it can save up to 7.7 kB or 80% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

8

After Optimization

8

  • Images
  • JavaScript
  • CSS

The browser has sent 8 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zivzav. According to our analytics all requests are already optimized.

Network Requests Diagram

www.zivzav.com

www.zivzav.com

865 ms

wp-emoji-release.min.js

wp-emoji-release.min.js

341 ms

pagenavi-css.css

pagenavi-css.css

344 ms

style.css

style.css

347 ms

jquery.min.js

jquery.min.js

52 ms

color.css

color.css

349 ms

main.jpg

main.jpg

590 ms

1.jpg

1.jpg

331 ms

2.jpg

2.jpg

332 ms

Accessibility Review

zivzav.com accessibility score

52

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 [lang] attribute

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

Image elements do not have [alt] attributes

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

zivzav.com 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

User Experience

Impact

Issue

High

Serves images with low resolution

SEO Factors

zivzav.com SEO score

83

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

Image elements do not have [alt] attributes

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

Language and Encoding

  • Language Detected

    N/A

  • Language Claimed

    JA

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Zivzav.com can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else), while the claimed language is Japanese. Our system also found out that Zivzav.com 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

zivzav.com

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