Tools & Wizards About Us

Report Summary

  • 49

    Performance

    Renders faster than
    67% of other websites

  • 83

    Accessibility

    Visual factors better than
    that of 54% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

sensor.com.cn

昆仑海岸官网-昆仑海岸专注于生态环保领域的物联网建设，是业界领先的软硬一体解决方案服务商。-压力液位变送器|温湿度变送器|压力传感器|液位传感器|物位变送器|温湿度传感器|NB传感器|无线传感器|数据采集器|智慧水务|水环境|供排水|水库水情|水资源

Page Load Speed

20.9 sec in total

First Response

763 ms

Resources Loaded

19.3 sec

Page Rendered

820 ms

About Website

Welcome to sensor.com.cn homepage info - get ready to check Sensor best content right away, or after learning these important things about sensor.com.cn

★昆仑海岸★我们立足于生态环保领域，为合作伙伴带来：工业控制|环境监测|NB-IoT系列物联感知类|物联网网关数据采集类以及智慧终端等硬件产品；并面向广大合作伙伴提供 IoT 平台建设及环保生态领域的专业化解决方案， 包含农污、城镇污水、供排水、管网、水源地、海绵城市等环境领域中涉及的设备管理、运营、智慧化、数字化建设等解决方案。

Visit sensor.com.cn

Key Findings

We analyzed Sensor.com.cn page load time and found that the first response time was 763 ms and then it took 20.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster.

Performance Metrics

sensor.com.cn performance score

49

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.7 s

29/100

10%

LCP (Largest Contentful Paint)

Value5.9 s

14/100

25%

SI (Speed Index)

Value21.5 s

0/100

10%

TBT (Total Blocking Time)

Value170 ms

93/100

30%

CLS (Cumulative Layout Shift)

Value0.263

47/100

15%

TTI (Time to Interactive)

Value5.4 s

72/100

10%

Network Requests Diagram

sensor.com.cn

763 ms

www.klha.cn

811 ms

www.klha.cn

2169 ms

swiper.css

276 ms

animate.css

560 ms

Our browser made a total of 96 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Sensor.com.cn, 80% (77 requests) were made to Klha.cn and 11% (11 requests) were made to Www4c1.53kf.com. The less responsive or slowest element that took the longest time to load (13.8 sec) relates to the external source Klha.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 842.5 kB (13%)

Content Size

6.6 MB

After Optimization

5.7 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Sensor.com.cn main page is 6.6 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. 50% of websites need less resources to load. Images take 6.3 MB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 63.9 kB

  • Original 81.4 kB
  • After minification 65.3 kB
  • After compression 17.5 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. This page needs HTML code to be minified as it can gain 16.1 kB, which is 20% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 63.9 kB or 79% of the original size.

Image Optimization

-12%

Potential reduce by 742.1 kB

  • Original 6.3 MB
  • After minification 5.6 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. Obviously, Sensor needs image optimization as it can save up to 742.1 kB or 12% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-17%

Potential reduce by 20.9 kB

  • Original 120.4 kB
  • After minification 120.4 kB
  • After compression 99.5 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 20.9 kB or 17% of the original size.

CSS Optimization

-42%

Potential reduce by 15.5 kB

  • Original 36.6 kB
  • After minification 36.6 kB
  • After compression 21.1 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. Sensor.com.cn needs all CSS files to be minified and compressed as it can save up to 15.5 kB or 42% of the original size.

Requests Breakdown

Number of requests can be reduced by 15 (16%)

Requests Now

93

After Optimization

78

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 93 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sensor. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

sensor.com.cn accessibility score

83

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.

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

sensor.com.cn 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

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

sensor.com.cn SEO score

92

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

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

    N/A

  • Encoding

    UTF-8

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

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