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nicvision.com screenshot

Report Summary

  • 65

    Performance

    Renders faster than
    79% of other websites

  • 49

    Accessibility

    Visual factors better than
    that of 20% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 54

    SEO

    Google-friendlier than
    19% of websites

nicvision.com

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Page Load Speed

15.4 sec in total

First Response

3 sec

Resources Loaded

12.4 sec

Page Rendered

0 ms

nicvision.com screenshot

About Website

Visit nicvision.com now to see the best up-to-date Nicvision content and also check out these interesting facts you probably never knew about nicvision.com

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Key Findings

We analyzed Nicvision.com page load time and found that the first response time was 3 sec and then it took 12.4 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

nicvision.com performance score

65

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.3 s

40/100

10%

LCP (Largest Contentful Paint)

Value4.0 s

49/100

25%

SI (Speed Index)

Value6.8 s

35/100

10%

TBT (Total Blocking Time)

Value160 ms

93/100

30%

CLS (Cumulative Layout Shift)

Value0.175

69/100

15%

TTI (Time to Interactive)

Value5.9 s

66/100

10%

Network Requests Diagram

nicvision.com

2971 ms

index.html

7856 ms

menu.css

2176 ms

style.css

2179 ms

load6.css

4671 ms

Our browser made a total of 14 requests to load all elements on the main page. We found that 14% of them (2 requests) were addressed to the original Nicvision.com, 57% (8 requests) were made to Image.niceui.cn and 29% (4 requests) were made to Niceui.cn. The less responsive or slowest element that took the longest time to load (7.9 sec) belongs to the original domain Nicvision.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 254.8 kB (75%)

Content Size

338.8 kB

After Optimization

84.1 kB

  • HTML
  • JavaScript
  • CSS

In fact, the total size of Nicvision.com main page is 338.8 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. 20% of websites need less resources to load. Javascripts take 279.8 kB which makes up the majority of the site volume.

HTML Optimization

-60%

Potential reduce by 1.6 kB

  • Original 2.6 kB
  • After minification 2.6 kB
  • After compression 1.0 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 1.6 kB or 60% of the original size.

JavaScript Optimization

-74%

Potential reduce by 206.5 kB

  • Original 279.8 kB
  • After minification 221.8 kB
  • After compression 73.3 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 206.5 kB or 74% of the original size.

CSS Optimization

-83%

Potential reduce by 46.7 kB

  • Original 56.4 kB
  • After minification 49.9 kB
  • After compression 9.7 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. Nicvision.com needs all CSS files to be minified and compressed as it can save up to 46.7 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 10 (83%)

Requests Now

12

After Optimization

2

  • JavaScript
  • CSS

The browser has sent 12 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Nicvision. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

nicvision.com

nicvision.com

2971 ms

index.html

index.html

7856 ms

menu.css

menu.css

2176 ms

style.css

style.css

2179 ms

load6.css

load6.css

4671 ms

ext.css

ext.css

1705 ms

jquery-1.8.2.min.js

jquery-1.8.2.min.js

6844 ms

bootstrap-collapse.js

bootstrap-collapse.js

6073 ms

respond.js

respond.js

6073 ms

jquery.royalslider.min.js

jquery.royalslider.min.js

6649 ms

nprogress.js

nprogress.js

6261 ms

qrcode.js

qrcode.js

6295 ms

bootstrap.js

bootstrap.js

6468 ms

jquery.bootstrap-autohidingnavbar.js

jquery.bootstrap-autohidingnavbar.js

6468 ms

Accessibility Review

nicvision.com accessibility score

49

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.

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

<dl>'s do not contain only properly-ordered <dt> and <dd> groups, <script>, <template> or <div> elements.

High

Definition list items are not wrapped in <dl> elements

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

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

nicvision.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

Serves images with low resolution

General

Impact

Issue

High

Page has valid source maps

SEO Factors

nicvision.com SEO score

54

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

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 Nicvision.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 Nicvision.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

nicvision.com

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