Tools & Wizards About Us
szhg.cn screenshot

Report Summary

  • 12

    Performance

    Renders faster than
    25% of other websites

  • 83

    Accessibility

    Visual factors better than
    that of 56% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 68

    SEO

    Google-friendlier than
    28% of websites

szhg.cn

港精，HG，电热管，加热管，发热管，油炸扁管-深圳市港精电热电器有限公司

Page Load Speed

13.1 sec in total

First Response

214 ms

Resources Loaded

12.8 sec

Page Rendered

154 ms

szhg.cn screenshot

About Website

Click here to check amazing Sz HG content. Otherwise, check out these important facts you probably never knew about szhg.cn

公司生" HG"系列产品(电热管）， 产品可据客户要求，能在不同的加热环境下发挥最佳效能。广泛应用于热水器、饮水机、锅炉、洪烤箱等各类电加热产品。

Visit szhg.cn

Key Findings

We analyzed Szhg.cn page load time and found that the first response time was 214 ms and then it took 12.9 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

szhg.cn performance score

12

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.9 s

51/100

10%

LCP (Largest Contentful Paint)

Value21.8 s

0/100

25%

SI (Speed Index)

Value17.9 s

0/100

10%

TBT (Total Blocking Time)

Value2,800 ms

3/100

30%

CLS (Cumulative Layout Shift)

Value0.953

3/100

15%

TTI (Time to Interactive)

Value6.7 s

56/100

10%

Network Requests Diagram

szhg.cn

214 ms

metinfo_green.css

164 ms

jQuery1.7.2.js

161 ms

ch.js

106 ms

jiathis_r.js

4413 ms

Our browser made a total of 60 requests to load all elements on the main page. We found that 77% of them (46 requests) were addressed to the original Szhg.cn, 17% (10 requests) were made to V3.jiathis.com and 2% (1 request) were made to Ww.szhg.cn. The less responsive or slowest element that took the longest time to load (4.4 sec) relates to the external source V3.jiathis.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 252.0 kB (43%)

Content Size

580.2 kB

After Optimization

328.2 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Szhg.cn main page is 580.2 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. 30% of websites need less resources to load. Images take 283.8 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 42.6 kB

  • Original 53.2 kB
  • After minification 52.6 kB
  • After compression 10.6 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 42.6 kB or 80% of the original size.

Image Optimization

-16%

Potential reduce by 46.4 kB

  • Original 283.8 kB
  • After minification 237.4 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, Sz HG needs image optimization as it can save up to 46.4 kB or 16% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-57%

Potential reduce by 92.8 kB

  • Original 162.3 kB
  • After minification 158.8 kB
  • After compression 69.5 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 92.8 kB or 57% of the original size.

CSS Optimization

-87%

Potential reduce by 70.2 kB

  • Original 81.0 kB
  • After minification 74.1 kB
  • After compression 10.8 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. Szhg.cn needs all CSS files to be minified and compressed as it can save up to 70.2 kB or 87% of the original size.

Requests Breakdown

Number of requests can be reduced by 18 (31%)

Requests Now

59

After Optimization

41

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 59 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sz HG. 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 as a result speed up the page load time.

Network Requests Diagram

szhg.cn

szhg.cn

214 ms

metinfo_green.css

metinfo_green.css

164 ms

jQuery1.7.2.js

jQuery1.7.2.js

161 ms

ch.js

ch.js

106 ms

jiathis_r.js

jiathis_r.js

4413 ms

fun.inc.js

fun.inc.js

191 ms

stat.php

stat.php

408 ms

online.js

online.js

96 ms

20130310_140808.jpg

20130310_140808.jpg

110 ms

1339 ms

bg2.gif

bg2.gif

100 ms

1362895814.png

1362895814.png

125 ms

dt-4.gif

dt-4.gif

33 ms

dt-3.gif

dt-3.gif

50 ms

szhg.cn

szhg.cn

30 ms

dt-5.gif

dt-5.gif

99 ms

more.gif

more.gif

52 ms

dt-6.gif

dt-6.gif

99 ms

1364858751.jpg

1364858751.jpg

100 ms

1366146749.jpg

1366146749.jpg

100 ms

dt-1.gif

dt-1.gif

114 ms

top.gif

top.gif

101 ms

hot.gif

hot.gif

112 ms

neu.gif

neu.gif

120 ms

1441261137.jpg

1441261137.jpg

121 ms

1364505712.jpg

1364505712.jpg

134 ms

1364506060.jpg

1364506060.jpg

135 ms

1364505632.jpg

1364505632.jpg

146 ms

1364505711.jpg

1364505711.jpg

139 ms

1364505546.jpg

1364505546.jpg

140 ms

1364505628.jpg

1364505628.jpg

153 ms

1364505575.jpg

1364505575.jpg

154 ms

1364505412.jpg

1364505412.jpg

159 ms

1364505824.jpg

1364505824.jpg

173 ms

dt-2.gif

dt-2.gif

176 ms

1366169039.gif

1366169039.gif

173 ms

1363566235.png

1363566235.png

175 ms

1363566922.png

1363566922.png

178 ms

1363566467.gif

1363566467.gif

192 ms

1363567449.png

1363567449.png

192 ms

1363567261.gif

1363567261.gif

195 ms

1363567559.jpg

1363567559.jpg

195 ms

1363567174.gif

1363567174.gif

197 ms

1363567655.gif

1363567655.gif

211 ms

1363567508.gif

1363567508.gif

210 ms

jiathis_utility.html

jiathis_utility.html

3016 ms

jiathis_share.css

jiathis_share.css

15 ms

ckepop.js

ckepop.js

7 ms

ckecenterpop.js

ckecenterpop.js

7 ms

plugin.client.js

plugin.client.js

6 ms

l5.gif

l5.gif

5 ms

img_exit.gif

img_exit.gif

56 ms

img_012.gif

img_012.gif

57 ms

online.css

online.css

37 ms

online.php

online.php

114 ms

jiathis_ico.png

jiathis_ico.png

15 ms

msn_1.gif

msn_1.gif

90 ms

skype_12.gif

skype_12.gif

86 ms

T1tm9.XdRnXXaHNz_X-16-16.gif

T1tm9.XdRnXXaHNz_X-16-16.gif

248 ms

button_old_41.gif

button_old_41.gif

453 ms

Accessibility Review

szhg.cn accessibility score

83

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

Links do not have a discernible name

Best Practices

szhg.cn 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

SEO Factors

szhg.cn SEO score

68

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

High

robots.txt is not valid

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

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Szhg.cn can be misinterpreted by Google and other search engines. Our service has detected that Chinese 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 Szhg.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

szhg.cn

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