Access cioe.cn. 光博会-第26届国际光电博览会(CIOE2025)

cioe.cn screenshot

51

Performance

Renders faster than
69% of other websites
69

Accessibility

Visual factors better than
that of 34% of websites
67

Best Practices

More advanced features
available than in
24% of websites
79

SEO

Google-friendlier than
40% of websites

First Response

1 sec

Resources Loaded

14.5 sec

Page Rendered

872 ms

cioe.cn screenshot

About Website

Welcome to cioe.cn homepage info - get ready to check Cioe best content for China right away, or after learning these important things about cioe.cn

CIOE光博会在深圳举办，24万㎡展示面积，同期7展吸引超3000家参展企业及10万+名专业观众，即刻【预定展位】抢占商机！

Visit cioe.cn

Key Findings

We analyzed Cioe.cn page load time and found that the first response time was 1 sec and then it took 15.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

name

value

score

weighting

FCP (First Contentful Paint)

Value3.5 s

33/100

10%

LCP (Largest Contentful Paint)

Value3.6 s

62/100

25%

SI (Speed Index)

Value17.2 s

0/100

10%

TBT (Total Blocking Time)

Value470 ms

61/100

30%

CLS (Cumulative Layout Shift)

Value0.209

59/100

15%

TTI (Time to Interactive)

Value7.2 s

50/100

10%

cioe.cn

1019 ms

animate.css

1211 ms

style.css

1454 ms

jquery-2.1.1.min.js

1474 ms

wow.min.js

984 ms

Our browser made a total of 295 requests to load all elements on the main page. We found that 8% of them (23 requests) were addressed to the original Cioe.cn, 89% (262 requests) were made to Guanwanng.oss-cn-shenzhen.aliyuncs.com and 2% (6 requests) were made to Exhibitors.cioe.cn. The less responsive or slowest element that took the longest time to load (3.1 sec) relates to the external source Guanwanng.oss-cn-shenzhen.aliyuncs.com.

Content Size

12.7 MB

After Optimization

11.3 MB

In fact, the total size of Cioe.cn main page is 12.7 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. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 12.5 MB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 68.7 kB

Original 79.0 kB
After minification 77.6 kB
After compression 10.3 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 68.7 kB or 87% of the original size.

Image Optimization

-10%

Potential reduce by 1.3 MB

Original 12.5 MB
After minification 11.2 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. Cioe images are well optimized though.

JavaScript Optimization

-24%

Potential reduce by 17.0 kB

Original 70.9 kB
After minification 70.1 kB
After compression 53.9 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 17.0 kB or 24% of the original size.

CSS Optimization

-48%

Potential reduce by 27.1 kB

Original 56.3 kB
After minification 56.3 kB
After compression 29.2 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. Cioe.cn needs all CSS files to be minified and compressed as it can save up to 27.1 kB or 48% of the original size.

Requests Now

287

After Optimization

268

The browser has sent 287 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cioe. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Issues

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

Links do not have a discernible name

These items highlight common accessibility best practices.

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

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

Serves images with low resolution

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

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

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

N/A
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Cioe.cn 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 Cioe.cn 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

cioe.cn

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