Tools & Wizards About Us
nbprofessional.com screenshot

Report Summary

  • 33

    Performance

    Renders faster than
    53% of other websites

  • 73

    Accessibility

    Visual factors better than
    that of 39% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 92

    SEO

    Google-friendlier than
    75% of websites

nbprofessional.com

手机买球官方网站-中国股份有限公司

Page Load Speed

19.2 sec in total

First Response

2.7 sec

Resources Loaded

16.4 sec

Page Rendered

73 ms

nbprofessional.com screenshot

About Website

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

手机买球官方网站创建于2016年10月，注册资金63.6万元，总资产超过8.26亿元，占地面积36亩，坐落在交通便利、环境优美的保定国家高新技术产业开发区，是一家集研发、生产、应用于一体的高科技现代化感应加热产品专业制造商。

Visit nbprofessional.com

Key Findings

We analyzed Nbprofessional.com page load time and found that the first response time was 2.7 sec and then it took 16.5 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

nbprofessional.com performance score

33

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value8.3 s

0/100

10%

LCP (Largest Contentful Paint)

Value14.5 s

0/100

25%

SI (Speed Index)

Value16.7 s

0/100

10%

TBT (Total Blocking Time)

Value10 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value1.687

0/100

15%

TTI (Time to Interactive)

Value9.4 s

31/100

10%

Network Requests Diagram

nbprofessional.com

2695 ms

nbprofessional.com

1002 ms

www.nbprofessional.com

739 ms

www.nbprofessional.com

1551 ms

show.js

1022 ms

Our browser made a total of 137 requests to load all elements on the main page. We found that 88% of them (120 requests) were addressed to the original Nbprofessional.com, 10% (14 requests) were made to Jifa001.com and 1% (2 requests) were made to Hm.baidu.com. The less responsive or slowest element that took the longest time to load (4.9 sec) belongs to the original domain Nbprofessional.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.1 MB (19%)

Content Size

5.8 MB

After Optimization

4.7 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Nbprofessional.com main page is 5.8 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. 60% of websites need less resources to load. Images take 5.7 MB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 7.8 kB

  • Original 10.5 kB
  • After minification 8.6 kB
  • After compression 2.6 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 1.9 kB, which is 18% 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 7.8 kB or 75% of the original size.

Image Optimization

-19%

Potential reduce by 1.1 MB

  • Original 5.7 MB
  • After minification 4.7 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, Nbprofessional needs image optimization as it can save up to 1.1 MB or 19% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-27%

Potential reduce by 1.8 kB

  • Original 6.7 kB
  • After minification 6.5 kB
  • After compression 4.9 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 1.8 kB or 27% of the original size.

CSS Optimization

-20%

Potential reduce by 5.0 kB

  • Original 24.3 kB
  • After minification 24.3 kB
  • After compression 19.3 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. Nbprofessional.com needs all CSS files to be minified and compressed as it can save up to 5.0 kB or 20% of the original size.

Requests Breakdown

Number of requests can be reduced by 21 (16%)

Requests Now

133

After Optimization

112

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 133 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Nbprofessional. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

nbprofessional.com

nbprofessional.com

2695 ms

nbprofessional.com

nbprofessional.com

1002 ms

www.nbprofessional.com

www.nbprofessional.com

739 ms

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1551 ms

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1022 ms

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252 ms

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752 ms

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978 ms

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996 ms

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434 ms

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652 ms

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3728 ms

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Accessibility Review

nbprofessional.com accessibility score

73

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.

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

nbprofessional.com 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

Displays images with incorrect aspect ratio

General

Impact

Issue

High

Browser errors were logged to the console

SEO Factors

nbprofessional.com SEO score

92

Search Engine Optimization Advices

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

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Nbprofessional.com can be misinterpreted by Google and other search engines. Our service has detected that Chinese is used on the page, and it does not match the claimed English language. Our system also found out that Nbprofessional.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

nbprofessional.com

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