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firstsensor.com.cn screenshot

Report Summary

  • 2

    Performance

    Renders faster than
    20% of other websites

  • 76

    Accessibility

    Visual factors better than
    that of 42% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 74

    SEO

    Google-friendlier than
    31% of websites

firstsensor.com.cn

Top Sensor Manufacturers and Suppliers _Pressure Sensor

Page Load Speed

7.9 sec in total

First Response

727 ms

Resources Loaded

6.2 sec

Page Rendered

990 ms

firstsensor.com.cn screenshot

About Website

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

Firstrate is a leading Industry Sensor manufacturer for over 55 years. The main products include various pressure sensors,wind Sensor，temperature Sensor ect.

Visit firstsensor.com.cn

Key Findings

We analyzed Firstsensor.com.cn page load time and found that the first response time was 727 ms and then it took 7.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

firstsensor.com.cn performance score

2

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value7.2 s

1/100

10%

LCP (Largest Contentful Paint)

Value25.3 s

0/100

25%

SI (Speed Index)

Value42.8 s

0/100

10%

TBT (Total Blocking Time)

Value26,710 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.558

13/100

15%

TTI (Time to Interactive)

Value49.4 s

0/100

10%

Network Requests Diagram

firstsensor.com.cn

727 ms

www.firstratesensor.com

504 ms

www.firstratesensor.com

799 ms

animate.css,iconfont.css,bootstrap.min.css,response.min.css

287 ms

site_impt_r.css

322 ms

Our browser made a total of 140 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Firstsensor.com.cn, 29% (41 requests) were made to Img201.yun300.cn and 24% (33 requests) were made to Firstratesensor.com. The less responsive or slowest element that took the longest time to load (1.7 sec) relates to the external source Hm.baidu.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 739.2 kB (6%)

Content Size

12.5 MB

After Optimization

11.8 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Firstsensor.com.cn main page is 12.5 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. Only a small number of websites need less resources to load. Images take 11.6 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 138.9 kB

  • Original 165.5 kB
  • After minification 134.5 kB
  • After compression 26.6 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 31.0 kB, which is 19% 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 138.9 kB or 84% of the original size.

Image Optimization

-0%

Potential reduce by 23.3 kB

  • Original 11.6 MB
  • After minification 11.6 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. First Sensor images are well optimized though.

JavaScript Optimization

-22%

Potential reduce by 6.8 kB

  • Original 30.9 kB
  • After minification 30.9 kB
  • After compression 24.1 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 6.8 kB or 22% of the original size.

CSS Optimization

-82%

Potential reduce by 570.2 kB

  • Original 693.0 kB
  • After minification 540.8 kB
  • After compression 122.8 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. Firstsensor.com.cn needs all CSS files to be minified and compressed as it can save up to 570.2 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 52 (39%)

Requests Now

132

After Optimization

80

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 132 CSS, Javascripts, AJAX and image requests in order to completely render the main page of First 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 35 to 1 for JavaScripts and from 14 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

firstsensor.com.cn

firstsensor.com.cn

727 ms

www.firstratesensor.com

www.firstratesensor.com

504 ms

www.firstratesensor.com

www.firstratesensor.com

799 ms

animate.css,iconfont.css,bootstrap.min.css,response.min.css

animate.css,iconfont.css,bootstrap.min.css,response.min.css

287 ms

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322 ms

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329 ms

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346 ms

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338 ms

swiper.min.css

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482 ms

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250 ms

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262 ms

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716 ms

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270 ms

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312 ms

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308 ms

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Accessibility Review

firstsensor.com.cn accessibility score

76

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

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

firstsensor.com.cn best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

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

High

Page has valid source maps

SEO Factors

firstsensor.com.cn SEO score

74

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

Links do not have descriptive text

High

Image elements do not have [alt] attributes

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

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

High

Tap targets are not sized appropriately

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 Firstsensor.com.cn 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 Firstsensor.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

firstsensor.com.cn

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