Tools & Wizards About Us
chengyu.biz screenshot

Report Summary

  • 69

    Performance

    Renders faster than
    81% of other websites

  • 65

    Accessibility

    Visual factors better than
    that of 31% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

chengyu.biz

Manufacturer of CCTV, CCTV Camera, Security Camera

Page Load Speed

17 sec in total

First Response

608 ms

Resources Loaded

10.8 sec

Page Rendered

5.6 sec

chengyu.biz screenshot

About Website

Welcome to chengyu.biz homepage info - get ready to check Chengyu best content right away, or after learning these important things about chengyu.biz

CYTech, Professional Manufacturer of high-definition Security Camera, CCTV, IP Camera, wireless WiFi camera, CCTV camera, ahd camera, DVR and more.

Visit chengyu.biz

Key Findings

We analyzed Chengyu.biz page load time and found that the first response time was 608 ms and then it took 16.4 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

chengyu.biz performance score

69

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.4 s

17/100

10%

LCP (Largest Contentful Paint)

Value4.4 s

40/100

25%

SI (Speed Index)

Value6.2 s

43/100

10%

TBT (Total Blocking Time)

Value10 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value4.4 s

84/100

10%

Network Requests Diagram

chengyu.biz

608 ms

default.css

84 ms

com.css

116 ms

httprequest.js

163 ms

main.js

67 ms

Our browser made a total of 38 requests to load all elements on the main page. We found that 92% of them (35 requests) were addressed to the original Chengyu.biz, 5% (2 requests) were made to Www22.53kf.com and 3% (1 request) were made to Chat.53kf.com. The less responsive or slowest element that took the longest time to load (2.9 sec) relates to the external source Www22.53kf.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 138.8 kB (21%)

Content Size

661.9 kB

After Optimization

523.1 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Chengyu.biz main page is 661.9 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. 40% of websites need less resources to load. Images take 500.5 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 32.9 kB

  • Original 39.2 kB
  • After minification 38.3 kB
  • After compression 6.3 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 32.9 kB or 84% of the original size.

Image Optimization

-3%

Potential reduce by 17.3 kB

  • Original 500.5 kB
  • After minification 483.2 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. Chengyu images are well optimized though.

JavaScript Optimization

-72%

Potential reduce by 84.3 kB

  • Original 116.4 kB
  • After minification 109.8 kB
  • After compression 32.1 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 84.3 kB or 72% of the original size.

CSS Optimization

-73%

Potential reduce by 4.3 kB

  • Original 5.9 kB
  • After minification 5.4 kB
  • After compression 1.6 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. Chengyu.biz needs all CSS files to be minified and compressed as it can save up to 4.3 kB or 73% of the original size.

Requests Breakdown

Number of requests can be reduced by 18 (50%)

Requests Now

36

After Optimization

18

  • Images
  • JavaScript
  • CSS

The browser has sent 36 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Chengyu. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

chengyu.biz

chengyu.biz

608 ms

default.css

default.css

84 ms

com.css

com.css

116 ms

httprequest.js

httprequest.js

163 ms

main.js

main.js

67 ms

AC_RunActiveContent.js

AC_RunActiveContent.js

65 ms

jquery-1.4a2.min.js

jquery-1.4a2.min.js

212 ms

jquery.KinSlideshow-1.2.1.min.js

jquery.KinSlideshow-1.2.1.min.js

136 ms

Logo.gif

Logo.gif

702 ms

top_rightLine.gif

top_rightLine.gif

811 ms

top_search.gif

top_search.gif

811 ms

top_language_cn.gif

top_language_cn.gif

809 ms

top_language_line.gif

top_language_line.gif

650 ms

top_language_en.gif

top_language_en.gif

810 ms

top_language_ru.gif

top_language_ru.gif

765 ms

top_language_es.gif

top_language_es.gif

765 ms

index_productSort.gif

index_productSort.gif

763 ms

mid_sort_item.gif

mid_sort_item.gif

764 ms

index_main_JD_EN.jpg

index_main_JD_EN.jpg

824 ms

index_main_IRLS_EN.jpg

index_main_IRLS_EN.jpg

817 ms

index_main_IRDO_En.jpg

index_main_IRDO_En.jpg

809 ms

index_main_DVR_SDI_En.jpg

index_main_DVR_SDI_En.jpg

786 ms

index_main_Camera_FaceRecognition_En.jpg

index_main_Camera_FaceRecognition_En.jpg

841 ms

index_mid_splitLine.gif

index_mid_splitLine.gif

782 ms

index_mid_newProduct_left.gif

index_mid_newProduct_left.gif

783 ms

index_WaterProof_Camera_En.jpg

index_WaterProof_Camera_En.jpg

783 ms

index_32chDVR_En.jpg

index_32chDVR_En.jpg

840 ms

index_DomeCamera_En.jpg

index_DomeCamera_En.jpg

773 ms

index_IPCamera_En.jpg

index_IPCamera_En.jpg

793 ms

index_ParkingCamera_En.jpg

index_ParkingCamera_En.jpg

792 ms

index_mid_newProduct_right.gif

index_mid_newProduct_right.gif

793 ms

index_newsBg.gif

index_newsBg.gif

793 ms

index_newsTop.gif

index_newsTop.gif

793 ms

index_newsButtom.gif

index_newsButtom.gif

744 ms

copyright_bg.gif

copyright_bg.gif

744 ms

kf.php

kf.php

813 ms

kf.php

kf.php

2869 ms

kf_ivt.php

kf_ivt.php

1080 ms

Accessibility Review

chengyu.biz accessibility score

65

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.

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

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

High

<object> elements do not have alternate text

Best Practices

chengyu.biz best practices score

75

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

SEO Factors

chengyu.biz SEO score

83

Search Engine Optimization Advices

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

High

Document uses plugins

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

    EN

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Chengyu.biz can be misinterpreted by Google and other search engines. Our service has detected that English 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 Chengyu.biz 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

chengyu.biz

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