Tools & Wizards About Us

Report Summary

  • 41

    Performance

    Renders faster than
    60% of other websites

  • 51

    Accessibility

    Visual factors better than
    that of 21% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

yahcolorize.com

中国·优游国际(UB8)官方网站-Officia优游Website

Page Load Speed

10 sec in total

First Response

165 ms

Resources Loaded

9.6 sec

Page Rendered

215 ms

About Website

Click here to check amazing Yahcolorize content. Otherwise, check out these important facts you probably never knew about yahcolorize.com

中国·优游国际(UB8)官方网站深圳市金奥博科技股份6W9J中国·优游国际(UB8)官方网站,Officia优游Website有限公司（股票代码：002917）创立于1994年，总部地处粤港澳大湾区深圳市高新技术产业园，为国内首批“高新技术企业”，是集研发、设计、制造、生产、服务于一体的民爆智能装备龙头企业。公司主营业务分为民爆一体化、精细化工、智能制造、金奥博智慧云四大业务板块，拥有17家全资或...

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Key Findings

We analyzed Yahcolorize.com page load time and found that the first response time was 165 ms and then it took 9.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

yahcolorize.com performance score

41

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.7 s

61/100

10%

LCP (Largest Contentful Paint)

Value8.1 s

2/100

25%

SI (Speed Index)

Value7.0 s

32/100

10%

TBT (Total Blocking Time)

Value200 ms

89/100

30%

CLS (Cumulative Layout Shift)

Value0.708

7/100

15%

TTI (Time to Interactive)

Value9.4 s

31/100

10%

Network Requests Diagram

yahcolorize.com

165 ms

www.yahcolorize.com

232 ms

jquery.min.js

136 ms

iconfont.css

164 ms

cahce_reset,public,index-header,footer,public-icon,public-list,index.css

158 ms

Our browser made a total of 132 requests to load all elements on the main page. We found that 23% of them (31 requests) were addressed to the original Yahcolorize.com, 66% (87 requests) were made to 93jiaoyu.com and 7% (9 requests) were made to Tp.xinxiyidiantong.com. The less responsive or slowest element that took the longest time to load (7.3 sec) relates to the external source Tp.xinxiyidiantong.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 4.0 kB (1%)

Content Size

727.6 kB

After Optimization

723.6 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Yahcolorize.com main page is 727.6 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. 45% of websites need less resources to load. Images take 715.7 kB which makes up the majority of the site volume.

HTML Optimization

-68%

Potential reduce by 2.9 kB

  • Original 4.3 kB
  • After minification 4.2 kB
  • After compression 1.4 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 2.9 kB or 68% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 715.7 kB
  • After minification 715.7 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. Yahcolorize images are well optimized though.

JavaScript Optimization

-14%

Potential reduce by 1.0 kB

  • Original 7.7 kB
  • After minification 7.7 kB
  • After compression 6.6 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 1.0 kB or 14% of the original size.

Requests Breakdown

Number of requests can be reduced by 28 (65%)

Requests Now

43

After Optimization

15

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 43 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Yahcolorize. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 23 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

yahcolorize.com accessibility score

51

Accessibility Issues

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

High

Links do not have a discernible name

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

yahcolorize.com best practices score

67

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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

yahcolorize.com SEO score

69

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Page is blocked from indexing

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 doesn't use legible font sizes

Language and Encoding

  • Language Detected

    ZH

  • Language Claimed

    N/A

  • Encoding

    N/A

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Yahcolorize.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 Yahcolorize.com main page’s claimed encoding is . 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

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