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zcsi.net screenshot

Report Summary

  • 99

    Performance

    Renders faster than
    96% of other websites

  • 96

    Accessibility

    Visual factors better than
    that of 88% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

zcsi.net

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Page Load Speed

2.7 sec in total

First Response

886 ms

Resources Loaded

1.6 sec

Page Rendered

152 ms

zcsi.net screenshot

About Website

Click here to check amazing Zcsi content. Otherwise, check out these important facts you probably never knew about zcsi.net

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Visit zcsi.net

Key Findings

We analyzed Zcsi.net page load time and found that the first response time was 886 ms and then it took 1.8 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

zcsi.net performance score

99

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.6 s

95/100

10%

LCP (Largest Contentful Paint)

Value1.6 s

99/100

25%

SI (Speed Index)

Value3.1 s

93/100

10%

TBT (Total Blocking Time)

Value40 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value1.6 s

100/100

10%

Network Requests Diagram

zcsi.net

886 ms

s.css

214 ms

jquery.min.js

610 ms

bootstrap.min.js

412 ms

bootstrap.min.css

425 ms

Our browser made a total of 5 requests to load all elements on the main page. We found that all of those requests were addressed to Zcsi.net and no external sources were called. The less responsive or slowest element that took the longest time to load (886 ms) belongs to the original domain Zcsi.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 18.1 kB (22%)

Content Size

83.5 kB

After Optimization

65.4 kB

  • HTML
  • JavaScript
  • CSS

In fact, the total size of Zcsi.net main page is 83.5 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. 20% of websites need less resources to load. Javascripts take 46.8 kB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 8.0 kB

  • Original 10.8 kB
  • After minification 7.1 kB
  • After compression 2.8 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 3.6 kB, which is 34% 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 8.0 kB or 74% of the original size.

JavaScript Optimization

-11%

Potential reduce by 5.3 kB

  • Original 46.8 kB
  • After minification 46.8 kB
  • After compression 41.4 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 5.3 kB or 11% of the original size.

CSS Optimization

-18%

Potential reduce by 4.8 kB

  • Original 26.0 kB
  • After minification 26.0 kB
  • After compression 21.2 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. Zcsi.net needs all CSS files to be minified and compressed as it can save up to 4.8 kB or 18% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

4

After Optimization

4

  • JavaScript
  • CSS

The browser has sent 4 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zcsi. According to our analytics all requests are already optimized.

Network Requests Diagram

zcsi.net

zcsi.net

886 ms

s.css

s.css

214 ms

jquery.min.js

jquery.min.js

610 ms

bootstrap.min.js

bootstrap.min.js

412 ms

bootstrap.min.css

bootstrap.min.css

425 ms

Accessibility Review

zcsi.net accessibility score

96

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.

Best Practices

zcsi.net best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

zcsi.net SEO score

83

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

High

robots.txt is not valid

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

    ZH

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Zcsi.net can be misinterpreted by Google and other search engines. Our service has detected that Chinese is used on the page, and it does not match the claimed English language. Our system also found out that Zcsi.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

zcsi.net

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