Tools & Wizards About Us
nbcxjh.com screenshot

Report Summary

  • 22

    Performance

    Renders faster than
    40% of other websites

  • 72

    Accessibility

    Visual factors better than
    that of 37% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

nbcxjh.com

恒温无尘车间,净化洁净工程室,恒温房间 - 宁波辰星净化工程公司

Page Load Speed

14.3 sec in total

First Response

642 ms

Resources Loaded

13.1 sec

Page Rendered

596 ms

nbcxjh.com screenshot

About Website

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

宁波辰星净化工程有限公司，公司经营范围是净化工程施工及设备制造安装：暖通工程、消防工程、地坪工程、室内外装饰工程、机电设备安装工程等等...

Visit nbcxjh.com

Key Findings

We analyzed Nbcxjh.com page load time and found that the first response time was 642 ms and then it took 13.7 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

nbcxjh.com performance score

22

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.1 s

9/100

10%

LCP (Largest Contentful Paint)

Value6.0 s

13/100

25%

SI (Speed Index)

Value18.8 s

0/100

10%

TBT (Total Blocking Time)

Value950 ms

29/100

30%

CLS (Cumulative Layout Shift)

Value0.212

59/100

15%

TTI (Time to Interactive)

Value18.5 s

3/100

10%

Network Requests Diagram

nbcxjh.com

642 ms

www.nbcxjh.com

1496 ms

basic.css

447 ms

animate.css

667 ms

animate.min.css

851 ms

Our browser made a total of 84 requests to load all elements on the main page. We found that 81% of them (68 requests) were addressed to the original Nbcxjh.com, 12% (10 requests) were made to Www7.53kf.com and 2% (2 requests) were made to Hm.baidu.com. The less responsive or slowest element that took the longest time to load (8.5 sec) belongs to the original domain Nbcxjh.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 175.4 kB (6%)

Content Size

2.9 MB

After Optimization

2.7 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Nbcxjh.com main page is 2.9 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. 55% of websites need less resources to load. Images take 2.2 MB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 44.6 kB

  • Original 59.0 kB
  • After minification 43.9 kB
  • After compression 14.4 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. This page needs HTML code to be minified as it can gain 15.1 kB, which is 26% 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 44.6 kB or 76% of the original size.

Image Optimization

-1%

Potential reduce by 13.0 kB

  • Original 2.2 MB
  • After minification 2.2 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. Nbcxjh images are well optimized though.

JavaScript Optimization

-17%

Potential reduce by 88.6 kB

  • Original 521.1 kB
  • After minification 521.1 kB
  • After compression 432.5 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 88.6 kB or 17% of the original size.

CSS Optimization

-41%

Potential reduce by 29.2 kB

  • Original 70.9 kB
  • After minification 70.8 kB
  • After compression 41.8 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. Nbcxjh.com needs all CSS files to be minified and compressed as it can save up to 29.2 kB or 41% of the original size.

Requests Breakdown

Number of requests can be reduced by 37 (48%)

Requests Now

77

After Optimization

40

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 77 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Nbcxjh. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 28 to 1 for JavaScripts and from 11 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

nbcxjh.com

nbcxjh.com

642 ms

www.nbcxjh.com

www.nbcxjh.com

1496 ms

basic.css

basic.css

447 ms

animate.css

animate.css

667 ms

animate.min.css

animate.min.css

851 ms

lightbox.css

lightbox.css

862 ms

swiper.min.css

swiper.min.css

889 ms

bootstrap.css

bootstrap.css

889 ms

css.css

css.css

878 ms

style.css

style.css

890 ms

slide.css

slide.css

1061 ms

index.js

index.js

1076 ms

hm.js

hm.js

1089 ms

jquery-2.1.4.min.js

jquery-2.1.4.min.js

1555 ms

basic.js

basic.js

1109 ms

three.min.js

three.min.js

2241 ms

hotcss.js

hotcss.js

1271 ms

jquery.superslide.2.1.js

jquery.superslide.2.1.js

1290 ms

swiper.animate1.0.2.min.js

swiper.animate1.0.2.min.js

1299 ms

swiper.jquery.min.js

swiper.jquery.min.js

1571 ms

layer.js

layer.js

1484 ms

layer.css

layer.css

1506 ms

jquery.validate-1.13.1.js

jquery.validate-1.13.1.js

1516 ms

jquery-1.11.3.min.js

jquery-1.11.3.min.js

1914 ms

slide.js

slide.js

1721 ms

jquery.form.min.js

jquery.form.min.js

1728 ms

Validform_v5.3.2_min.js

Validform_v5.3.2_min.js

1775 ms

dialog-plus-min.js

dialog-plus-min.js

1776 ms

common.js

common.js

1935 ms

layer.js

layer.js

1942 ms

swiper.min.js

swiper.min.js

2226 ms

layer.css

layer.css

228 ms

8

8

1203 ms

close.gif

close.gif

216 ms

loading.gif

loading.gif

227 ms

prev.gif

prev.gif

216 ms

next.gif

next.gif

219 ms

201812131053243414.png

201812131053243414.png

226 ms

201812131020092538.png

201812131020092538.png

227 ms

202108181304587191.jpg

202108181304587191.jpg

900 ms

202108181305092854.jpg

202108181305092854.jpg

877 ms

next1.png

next1.png

461 ms

prev1.png

prev1.png

468 ms

201812171415290933.png

201812171415290933.png

687 ms

202012100116061632.png

202012100116061632.png

3926 ms

202108181305357345.jpg

202108181305357345.jpg

909 ms

202108181305450636.jpg

202108181305450636.jpg

703 ms

201812141725311835.png

201812141725311835.png

8457 ms

202108181306001377.jpg

202108181306001377.jpg

2190 ms

201812141724428145.png

201812141724428145.png

3514 ms

202108181306145507.jpg

202108181306145507.jpg

2514 ms

202101200112104832.jpg

202101200112104832.jpg

2762 ms

202101200112205975.jpg

202101200112205975.jpg

2657 ms

202101200112278060.jpg

202101200112278060.jpg

2943 ms

202101200112333299.jpg

202101200112333299.jpg

3347 ms

201812131705350971.png

201812131705350971.png

2987 ms

201812131705548664.png

201812131705548664.png

3166 ms

201812190929545159.png

201812190929545159.png

3236 ms

201812131707525526.png

201812131707525526.png

3609 ms

201812131708175437.png

201812131708175437.png

3465 ms

201812131708529631.png

201812131708529631.png

3804 ms

201812131709143164.png

201812131709143164.png

3681 ms

201812131712088290.png

201812131712088290.png

3730 ms

201812131712220483.png

201812131712220483.png

3838 ms

code.png

code.png

3898 ms

201812101506105261.jpg

201812101506105261.jpg

3943 ms

tt0140m.ttf

tt0140m.ttf

3947 ms

sendacc.jsp

sendacc.jsp

1281 ms

mobile_icon_72210982_8.js

mobile_icon_72210982_8.js

1153 ms

mobile_invite_72210982_8.js

mobile_invite_72210982_8.js

1183 ms

assign_worker_72210982_8.js

assign_worker_72210982_8.js

1152 ms

mobile_chat_72210982_8.js

mobile_chat_72210982_8.js

1210 ms

kf_new.php

kf_new.php

1253 ms

sharp5.png

sharp5.png

2561 ms

hm.js

hm.js

1790 ms

layer.css

layer.css

2611 ms

kf_ivt_new.php

kf_ivt_new.php

423 ms

Group_24.png

Group_24.png

425 ms

close_2x.png

close_2x.png

205 ms

mobile_53kf_1628570160.jpg

mobile_53kf_1628570160.jpg

231 ms

hm.gif

hm.gif

348 ms

b.js

b.js

1769 ms

jquery-1.4.2.flp.js

jquery-1.4.2.flp.js

412 ms

affim.js

affim.js

2113 ms

Accessibility Review

nbcxjh.com accessibility score

72

Accessibility Issues

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

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

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

nbcxjh.com 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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

nbcxjh.com SEO score

83

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

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 Nbcxjh.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 Nbcxjh.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

nbcxjh.com

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