Tools & Wizards About Us

Report Summary

  • 97

    Performance

    Renders faster than
    94% of other websites

  • 46

    Accessibility

    Visual factors better than
    that of 20% of websites

  • 50

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 67

    SEO

    Google-friendlier than
    26% of websites

jyins.com

Analog, Digital, Multi-function, AC & DC Meter, Power Adapter - JYINS®

Page Load Speed

2 sec in total

First Response

376 ms

Resources Loaded

1.5 sec

Page Rendered

109 ms

About Website

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

JYINS specializes in manufacturing power adapter, analog meter, digital meter, multi-function meter, AC & DC meter sets in China since 1983. We can do the OEM to the client in domestic and abroad.

Visit jyins.com

Key Findings

We analyzed Jyins.com page load time and found that the first response time was 376 ms and then it took 1.6 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

jyins.com performance score

97

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.7 s

92/100

10%

LCP (Largest Contentful Paint)

Value1.7 s

99/100

25%

SI (Speed Index)

Value3.2 s

91/100

10%

TBT (Total Blocking Time)

Value110 ms

98/100

30%

CLS (Cumulative Layout Shift)

Value0.029

100/100

15%

TTI (Time to Interactive)

Value2.5 s

98/100

10%

Network Requests Diagram

jyins.com

376 ms

common.css

402 ms

home.css

400 ms

lang.js

401 ms

public.js

400 ms

Our browser made a total of 60 requests to load all elements on the main page. We found that 97% of them (58 requests) were addressed to the original Jyins.com, 2% (1 request) were made to Im.bizapp.qq.com and 2% (1 request) were made to Zjnet.zjaic.gov.cn. The less responsive or slowest element that took the longest time to load (483 ms) belongs to the original domain Jyins.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 49.1 kB (13%)

Content Size

385.8 kB

After Optimization

336.6 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Jyins.com main page is 385.8 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. 15% of websites need less resources to load. Images take 313.1 kB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 29.8 kB

  • Original 34.7 kB
  • After minification 27.5 kB
  • After compression 4.9 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 7.2 kB, which is 21% 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 29.8 kB or 86% of the original size.

Image Optimization

-3%

Potential reduce by 10.6 kB

  • Original 313.1 kB
  • After minification 302.5 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. JYINS images are well optimized though.

JavaScript Optimization

-23%

Potential reduce by 7.7 kB

  • Original 33.7 kB
  • After minification 33.6 kB
  • After compression 26.0 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 7.7 kB or 23% of the original size.

CSS Optimization

-26%

Potential reduce by 1.1 kB

  • Original 4.3 kB
  • After minification 4.3 kB
  • After compression 3.2 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. Jyins.com needs all CSS files to be minified and compressed as it can save up to 1.1 kB or 26% of the original size.

Requests Breakdown

Number of requests can be reduced by 20 (36%)

Requests Now

56

After Optimization

36

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 56 CSS, Javascripts, AJAX and image requests in order to completely render the main page of JYINS. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

jyins.com accessibility score

46

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.

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

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

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

jyins.com best practices score

50

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

SEO Factors

jyins.com SEO score

67

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

Image elements do not have [alt] attributes

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Jyins.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Jyins.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 JYINS. 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: