Access zihai24.com. 北京资海科技有限责任公司

name

value

score

weighting

FCP (First Contentful Paint)

Value9.4 s

0/100

10%

LCP (Largest Contentful Paint)

Value18.6 s

0/100

25%

SI (Speed Index)

Value19.2 s

0/100

10%

TBT (Total Blocking Time)

Value430 ms

64/100

30%

CLS (Cumulative Layout Shift)

Value0.412

24/100

15%

TTI (Time to Interactive)

Value29.6 s

0/100

10%

zihai24.com

2154 ms

jwpagefactory.css

1223 ms

magnific-popup.css

1176 ms

ccdp.min.js

1188 ms

jquery-noconflict.js

474 ms

Our browser made a total of 121 requests to load all elements on the main page. We found that 42% of them (51 requests) were addressed to the original Zihai24.com, 55% (67 requests) were made to Oss.lcweb01.cn and 2% (2 requests) were made to Ijzt.china9.cn. The less responsive or slowest element that took the longest time to load (9.3 sec) relates to the external source Oss.lcweb01.cn.

Content Size

8.5 MB

After Optimization

6.1 MB

In fact, the total size of Zihai24.com main page is 8.5 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. 50% of websites need less resources to load. Images take 6.6 MB which makes up the majority of the site volume.

HTML Optimization

-91%

Potential reduce by 413.4 kB

Original 456.3 kB
After minification 442.8 kB
After compression 42.9 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 413.4 kB or 91% of the original size.

Image Optimization

-23%

Potential reduce by 1.5 MB

Original 6.6 MB
After minification 5.1 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. Obviously, Zihai 24 needs image optimization as it can save up to 1.5 MB or 23% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-25%

Potential reduce by 74.5 kB

Original 293.5 kB
After minification 293.1 kB
After compression 219.0 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 74.5 kB or 25% of the original size.

CSS Optimization

-33%

Potential reduce by 371.8 kB

Original 1.1 MB
After minification 1.1 MB
After compression 756.7 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. Zihai24.com needs all CSS files to be minified and compressed as it can save up to 371.8 kB or 33% of the original size.

Requests Now

116

After Optimization

The browser has sent 116 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zihai 24. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 21 to 1 for JavaScripts and from 26 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

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.

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

High

[role]s are not contained by their required parent element

High

[aria-*] attributes do not have valid values

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Areas of Improvement

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

Search Engine Optimization Advices

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

High

Links do not have descriptive text

To appear in search results, crawlers need access to your app.

High

Links are not crawlable

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/).

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

Language Detected

ZH
Language Claimed

ZH
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Zihai24.com can be misinterpreted by Google and other search engines. Our service has detected that Chinese is used on the page, and it matches the claimed language. Our system also found out that Zihai24.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

zihai24.com

Open Graph description is not detected on the main page of Zihai 24. 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:

Report Summary

Performance

Accessibility

Best Practices

SEO

北京资海科技有限责任公司

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

zihai24.com

jwpagefactory.css

magnific-popup.css

ccdp.min.js

jquery-noconflict.js

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

zihai24.com

jwpagefactory.css

magnific-popup.css

ccdp.min.js

jquery-noconflict.js

jquery-migrate.min.js

jquery.parallax.js

jwpagefactory.js

statistics.js

jquery.magnific-popup.min.js

newnav.js

jquery-3.7.0.min.js

jquery.mmenu.js

swiper-bundle.min.js

swiper.animate1.0.3.min.js

zxf_page.js

jquery.magnific-popup.min.js

cs.js

jw_carousel.js

jquery.min.js

popper.min.js

bootstrap.min.js

main.js

core.js

submit

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