Access ehscity.com. EHSCITY——全球领先的环境保护，职业健康和安全管理综合服务平台(商)——EHS咨询培训, EHS数字化, EHS AI,EHS招聘,, EHS大数据, VR安全, EHS体验馆，EHS工业品，E...

name

value

score

weighting

FCP (First Contentful Paint)

Value4.1 s

22/100

10%

LCP (Largest Contentful Paint)

Value7.0 s

6/100

25%

SI (Speed Index)

Value10.2 s

8/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.028

100/100

15%

TTI (Time to Interactive)

Value4.1 s

87/100

10%

ehscity.com

8390 ms

style.css

7219 ms

index.css

2545 ms

lang.js

2550 ms

config.js

3029 ms

Our browser made a total of 87 requests to load all elements on the main page. We found that 94% of them (82 requests) were addressed to the original Ehscity.com, 1% (1 request) were made to S20.cnzz.com and 1% (1 request) were made to Oz.cnzz.com. The less responsive or slowest element that took the longest time to load (19.9 sec) belongs to the original domain Ehscity.com.

Content Size

486.2 kB

After Optimization

288.5 kB

In fact, the total size of Ehscity.com main page is 486.2 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. Images take 320.5 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 86.3 kB

Original 105.7 kB
After minification 105.6 kB
After compression 19.4 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 86.3 kB or 82% of the original size.

Image Optimization

-22%

Potential reduce by 69.3 kB

Original 320.5 kB
After minification 251.2 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. Obviously, EHSCITY needs image optimization as it can save up to 69.3 kB or 22% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-65%

Potential reduce by 24.6 kB

Original 37.7 kB
After minification 34.6 kB
After compression 13.1 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 24.6 kB or 65% of the original size.

CSS Optimization

-78%

Potential reduce by 17.4 kB

Original 22.2 kB
After minification 20.0 kB
After compression 4.8 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. Ehscity.com needs all CSS files to be minified and compressed as it can save up to 17.4 kB or 78% of the original size.

Requests Now

After Optimization

The browser has sent 84 CSS, Javascripts, AJAX and image requests in order to completely render the main page of EHSCITY. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Issues

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 interpretation of your content by users in different locales.

High

<html> element does not have a [lang] attribute

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.

High

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

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

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

Low

Detected JavaScript libraries

High

Issues were logged in the Issues panel in Chrome Devtools

Search Engine Optimization Advices

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

High

Links are not crawlable

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

High

Image elements do not have [alt] attributes

Language and Encoding

Language Detected

ZH
Language Claimed

N/A
Encoding

GBK

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Ehscity.com can be misinterpreted by Google and other search engines. Our service has detected that Chinese is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Ehscity.com main page’s claimed encoding is gbk. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

ehscity.com

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

EHSCITY——全球领先的环境保护，职业健康和安全管理综合服务平台(商)——EHS咨询培训, EHS数字化, EHS AI,EHS招聘,, EHS大数据, VR安全, EHS体验馆，EHS工业品，EHS软件

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

ehscity.com

style.css

index.css

lang.js

config.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

ehscity.com

style.css

index.css

lang.js

config.js

jquery.js

common.js

page.js

slide.js

index.js

marquee.js

stat.php

ehscity-logo.gif

head_bg.png

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