Tools & Wizards About Us

Report Summary

  • 26

    Performance

    Renders faster than
    45% of other websites

  • 59

    Accessibility

    Visual factors better than
    that of 26% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

hzhcgd.com

Optical Amplifier, Optical Edfa, Optical Transmitter - Hengchi

Page Load Speed

4.4 sec in total

First Response

389 ms

Resources Loaded

3.7 sec

Page Rendered

296 ms

About Website

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

Hangzhou Hengchi Electronic Equipment Co., Ltd. was established in 2006, produce and sales equipments of optical transmitter, EDFA, optical receiver, optical

Visit hzhcgd.com

Key Findings

We analyzed Hzhcgd.com page load time and found that the first response time was 389 ms and then it took 4 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

hzhcgd.com performance score

26

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.2 s

20/100

10%

LCP (Largest Contentful Paint)

Value15.9 s

0/100

25%

SI (Speed Index)

Value9.2 s

13/100

10%

TBT (Total Blocking Time)

Value980 ms

28/100

30%

CLS (Cumulative Layout Shift)

Value0.108

88/100

15%

TTI (Time to Interactive)

Value15.3 s

7/100

10%

Network Requests Diagram

hzhcgd.com

389 ms

www.hzhcgd.com

487 ms

jquery.mmenu.all.css

345 ms

font-awesome.min.css

351 ms

animate.min.css

356 ms

Our browser made a total of 76 requests to load all elements on the main page. We found that 3% of them (2 requests) were addressed to the original Hzhcgd.com, 95% (72 requests) were made to Cdn.bluenginer.com and 3% (2 requests) were made to Oa.globalsuo.com. The less responsive or slowest element that took the longest time to load (1.8 sec) relates to the external source Cdn.bluenginer.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 641.2 kB (29%)

Content Size

2.2 MB

After Optimization

1.6 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Hzhcgd.com main page is 2.2 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. Only a small number of websites need less resources to load. Javascripts take 1.2 MB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 48.2 kB

  • Original 55.6 kB
  • After minification 42.6 kB
  • After compression 7.4 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 13.1 kB, which is 23% 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 48.2 kB or 87% of the original size.

Image Optimization

-3%

Potential reduce by 27.0 kB

  • Original 838.3 kB
  • After minification 811.3 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. Hzhcgd images are well optimized though.

JavaScript Optimization

-45%

Potential reduce by 558.7 kB

  • Original 1.2 MB
  • After minification 1.2 MB
  • After compression 683.8 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 558.7 kB or 45% of the original size.

CSS Optimization

-10%

Potential reduce by 7.2 kB

  • Original 72.5 kB
  • After minification 72.5 kB
  • After compression 65.3 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. Hzhcgd.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 20 (29%)

Requests Now

69

After Optimization

49

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 69 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Hzhcgd. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

hzhcgd.com accessibility score

59

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

<frame> or <iframe> elements do not have a title

High

Links do not have a discernible name

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

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

hzhcgd.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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

hzhcgd.com SEO score

93

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

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

    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 Hzhcgd.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 Hzhcgd.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 data is detected on the main page of Hzhcgd. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: