Report Summary

  • 12

    Performance

    Renders faster than
    25% of other websites

  • 77

    Accessibility

    Visual factors better than
    that of 44% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 84

    SEO

    Google-friendlier than
    52% of websites

nanhaidisplay.com

Projection Screen Film, Hologram Projection Foil, Fixed Frame Projection Screen Manufacturer & Supplier - NanHai Display Limited

Page Load Speed

5.1 sec in total

First Response

281 ms

Resources Loaded

3.6 sec

Page Rendered

1.2 sec

nanhaidisplay.com screenshot

About Website

Click here to check amazing Nan Hai Display content. Otherwise, check out these important facts you probably never knew about nanhaidisplay.com

NanHai Display Limited is China manufacturer & supplier who mainly produces Projection Screen Film, Hologram Projection Foil, Fixed Frame Projection Screen with years of experience. Hope to build busi...

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Key Findings

We analyzed Nanhaidisplay.com page load time and found that the first response time was 281 ms and then it took 4.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

nanhaidisplay.com performance score

12

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.6 s

31/100

10%

LCP (Largest Contentful Paint)

Value11.1 s

0/100

25%

SI (Speed Index)

Value11.8 s

4/100

10%

TBT (Total Blocking Time)

Value1,180 ms

21/100

30%

CLS (Cumulative Layout Shift)

Value0.59

11/100

15%

TTI (Time to Interactive)

Value20.9 s

2/100

10%

Network Requests Diagram

www.nanhaidisplay.com

281 ms

tooltipster.css

113 ms

style.css

257 ms

navigation.css

310 ms

style.css

193 ms

Our browser made a total of 83 requests to load all elements on the main page. We found that 2% of them (2 requests) were addressed to the original Nanhaidisplay.com, 66% (55 requests) were made to Ilrorwxhljlolq5p-static.micyjz.com and 16% (13 requests) were made to Embed.tawk.to. The less responsive or slowest element that took the longest time to load (1.5 sec) relates to the external source Ilrorwxhljlolq5p-static.micyjz.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 731.2 kB (8%)

Content Size

8.8 MB

After Optimization

8.0 MB

In fact, the total size of Nanhaidisplay.com main page is 8.8 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. 65% of websites need less resources to load. Images take 8.3 MB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 273.3 kB

  • Original 320.8 kB
  • After minification 320.8 kB
  • After compression 47.4 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. 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 273.3 kB or 85% of the original size.

Image Optimization

-5%

Potential reduce by 434.2 kB

  • Original 8.3 MB
  • After minification 7.9 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. Nan Hai Display images are well optimized though.

JavaScript Optimization

-14%

Potential reduce by 23.7 kB

  • Original 174.0 kB
  • After minification 174.0 kB
  • After compression 150.3 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 23.7 kB or 14% of the original size.

Requests Breakdown

Number of requests can be reduced by 19 (24%)

Requests Now

80

After Optimization

61

The browser has sent 80 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Nan Hai Display. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

nanhaidisplay.com accessibility score

77

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.

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

nanhaidisplay.com best practices score

58

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

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

nanhaidisplay.com SEO score

84

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Nanhaidisplay.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Nanhaidisplay.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

Open Graph description is not detected on the main page of Nan Hai Display. 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: