Tools & Wizards About Us
houying3959.sm160.com screenshot

Report Summary

  • 58

    Performance

    Renders faster than
    74% of other websites

  • 50

    Accessibility

    Visual factors better than
    that of 21% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

houying3959.sm160.com

北京机房温湿度报警器,北京电流报警器,北京无线音乐电铃,北京电压报警器,压力报警器,北京天文时钟控制器,光敏控制器,北京音乐打铃器-北京亿方英杰科技有限公司

Page Load Speed

5.4 sec in total

First Response

687 ms

Resources Loaded

4.4 sec

Page Rendered

324 ms

houying3959.sm160.com screenshot

About Website

Visit houying3959.sm160.com now to see the best up-to-date Houying 3959 Sm 160 content for China and also check out these interesting facts you probably never knew about houying3959.sm160.com

北京亿方英杰科技有限公司是北京机房温湿度报警器,北京电流报警器,北京无线音乐电铃,北京电压报警器,压力报警器,北京天文时钟控制器,光敏控制器,北京音乐打铃器的专业生产厂家和供应商,采购北京机房温湿度报警器,北京电流报警器,北京无线音乐电铃,北京电压报警器,压力报警器,北京天文时钟控制器,光敏控制器,北京音乐打铃器产品请联系北京亿方英杰科技有限公司,公司地处北京市北京市昌平区回龙观科星西路106号院...

Visit houying3959.sm160.com

Key Findings

We analyzed Houying3959.sm160.com page load time and found that the first response time was 687 ms and then it took 4.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

houying3959.sm160.com performance score

58

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.8 s

4/100

10%

LCP (Largest Contentful Paint)

Value7.0 s

6/100

25%

SI (Speed Index)

Value5.8 s

49/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.002

100/100

15%

TTI (Time to Interactive)

Value6.4 s

59/100

10%

Network Requests Diagram

houying3959.sm160.com

687 ms

houying3959.sm160.com

1136 ms

style.css

1115 ms

require-jquery.js

1586 ms

show.js

1206 ms

Our browser made a total of 31 requests to load all elements on the main page. We found that 6% of them (2 requests) were addressed to the original Houying3959.sm160.com, 61% (19 requests) were made to Img.sm160.com and 32% (10 requests) were made to Static.sm160.com. The less responsive or slowest element that took the longest time to load (1.6 sec) relates to the external source Static.sm160.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 40.7 kB (27%)

Content Size

151.3 kB

After Optimization

110.6 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Houying3959.sm160.com main page is 151.3 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. 15% of websites need less resources to load. Javascripts take 65.6 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 24.3 kB

  • Original 31.7 kB
  • After minification 30.5 kB
  • After compression 7.4 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 24.3 kB or 77% of the original size.

Image Optimization

-4%

Potential reduce by 1.7 kB

  • Original 40.2 kB
  • After minification 38.5 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. Houying 3959 Sm 160 images are well optimized though.

JavaScript Optimization

-22%

Potential reduce by 14.3 kB

  • Original 65.6 kB
  • After minification 65.5 kB
  • After compression 51.2 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 14.3 kB or 22% of the original size.

CSS Optimization

-3%

Potential reduce by 363 B

  • Original 13.8 kB
  • After minification 13.8 kB
  • After compression 13.4 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. Houying3959.sm160.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 18 (62%)

Requests Now

29

After Optimization

11

  • Images
  • JavaScript
  • CSS

The browser has sent 29 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Houying 3959 Sm 160. 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

houying3959.sm160.com

houying3959.sm160.com

687 ms

houying3959.sm160.com

houying3959.sm160.com

1136 ms

style.css

style.css

1115 ms

require-jquery.js

require-jquery.js

1586 ms

show.js

show.js

1206 ms

loading-3.gif

loading-3.gif

240 ms

supplierbg.gif

supplierbg.gif

480 ms

06.gif

06.gif

218 ms

153700.gif

153700.gif

448 ms

qr-large.gif

qr-large.gif

662 ms

08.gif

08.gif

862 ms

19.gif

19.gif

863 ms

mainNavigatBgCurrentArrow.gif

mainNavigatBgCurrentArrow.gif

868 ms

mainNavigatRight.gif

mainNavigatRight.gif

876 ms

13.gif

13.gif

876 ms

153700.jpg

153700.jpg

1329 ms

icon_arrow.gif

icon_arrow.gif

1074 ms

circle-loading.svg

circle-loading.svg

1075 ms

qq4_online.gif

qq4_online.gif

1083 ms

qq8_online.gif

qq8_online.gif

1093 ms

customGroupIcon.gif

customGroupIcon.gif

1090 ms

nameCardBg.gif

nameCardBg.gif

1287 ms

view_contact.gif

view_contact.gif

1287 ms

inSearchBg.gif

inSearchBg.gif

1222 ms

inSearchButton.gif

inSearchButton.gif

1232 ms

main.js

main.js

225 ms

base.min.js

base.min.js

229 ms

lazyload.js

lazyload.js

229 ms

css.js

css.js

225 ms

chat.css

chat.css

227 ms

chat.js

chat.js

225 ms

Accessibility Review

houying3959.sm160.com accessibility score

50

Accessibility Issues

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

houying3959.sm160.com best practices score

58

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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

houying3959.sm160.com SEO score

77

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

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 uses legible font sizes

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 Houying3959.sm160.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 Houying3959.sm160.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

houying3959.sm160.com

Open Graph description is not detected on the main page of Houying 3959 Sm 160. 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: