Report Summary

  • 48

    Performance

    Renders faster than
    66% of other websites

  • 89

    Accessibility

    Visual factors better than
    that of 71% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 96

    SEO

    Google-friendlier than
    90% of websites

zpsjled.cn

北京振鹏世纪科技有限公司 | 视频显示系统 | 通讯屏控制系统

Page Load Speed

3.3 sec in total

First Response

905 ms

Resources Loaded

2.3 sec

Page Rendered

78 ms

zpsjled.cn screenshot

About Website

Click here to check amazing Zpsjled content for China. Otherwise, check out these important facts you probably never knew about zpsjled.cn

北京振鹏世纪科技有限公司是一家专业研发设计、生产、安装、售后小间距led显示系统及城市亮化的高新科技公司。

Visit zpsjled.cn

Key Findings

We analyzed Zpsjled.cn page load time and found that the first response time was 905 ms and then it took 2.4 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

zpsjled.cn performance score

48

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.3 s

17/100

10%

LCP (Largest Contentful Paint)

Value6.0 s

13/100

25%

SI (Speed Index)

Value10.7 s

7/100

10%

TBT (Total Blocking Time)

Value170 ms

93/100

30%

CLS (Cumulative Layout Shift)

Value0.128

82/100

15%

TTI (Time to Interactive)

Value11.0 s

20/100

10%

Network Requests Diagram

zpsjled.cn

905 ms

www.zpsjled.cn

1387 ms

Our browser made a total of 2 requests to load all elements on the main page. We found that all of those requests were addressed to Zpsjled.cn and no external sources were called. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain Zpsjled.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 296.3 kB (51%)

Content Size

584.2 kB

After Optimization

287.9 kB

In fact, the total size of Zpsjled.cn main page is 584.2 kB. This result falls within the top 5000 of lightweight and thus fast loading web pages. Only a small number of websites need less resources to load. Javascripts take 355.2 kB which makes up the majority of the site volume.

HTML Optimization

-39%

Potential reduce by 316 B

  • Original 802 B
  • After minification 752 B
  • After compression 486 B

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 316 B or 39% of the original size.

Image Optimization

-33%

Potential reduce by 56.1 kB

  • Original 167.8 kB
  • After minification 111.7 kB

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, Zpsjled needs image optimization as it can save up to 56.1 kB or 33% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-53%

Potential reduce by 186.9 kB

  • Original 355.2 kB
  • After minification 349.4 kB
  • After compression 168.3 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 186.9 kB or 53% of the original size.

CSS Optimization

-88%

Potential reduce by 53.0 kB

  • Original 60.4 kB
  • After minification 53.1 kB
  • After compression 7.3 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. Zpsjled.cn needs all CSS files to be minified and compressed as it can save up to 53.0 kB or 88% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

0

After Optimization

0

Besides the initial HTML request, no CSS, Javascripts, AJAX or image files were requested in the course of web page rendering.

Accessibility Review

zpsjled.cn accessibility score

89

Accessibility Issues

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

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

zpsjled.cn best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

zpsjled.cn SEO score

96

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

High

Tap targets are not sized appropriately

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 Zpsjled.cn 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 Zpsjled.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

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