Tools & Wizards About Us
gzhanchao.com screenshot

Report Summary

  • 36

    Performance

    Renders faster than
    56% of other websites

  • 68

    Accessibility

    Visual factors better than
    that of 33% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 54

    SEO

    Google-friendlier than
    19% of websites

gzhanchao.com

网站到期提示 - 广州市瀚潮环保科技有限公司

Page Load Speed

24.8 sec in total

First Response

5.9 sec

Resources Loaded

18.4 sec

Page Rendered

526 ms

gzhanchao.com screenshot

About Website

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

【中山大学环境学院合作单位】环境生态修复,主营河湖工程-黑臭整治/富营养化/重金属治理等,园林水景养护,土壤修复，工程设计/承包/分包/施工/维护。微生物菌剂、环保用微生物菌剂、人工生态浮床、生物填料滤料、推流曝气机、造流曝气机、太阳能喷泉、浮床水生植物等。欢迎同行深度合作，共同承接项目，提供专业技术外包服务。​​

Visit gzhanchao.com

Key Findings

We analyzed Gzhanchao.com page load time and found that the first response time was 5.9 sec and then it took 19 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster.

Performance Metrics

gzhanchao.com performance score

36

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.4 s

16/100

10%

LCP (Largest Contentful Paint)

Value7.9 s

3/100

25%

SI (Speed Index)

Value26.5 s

0/100

10%

TBT (Total Blocking Time)

Value380 ms

70/100

30%

CLS (Cumulative Layout Shift)

Value0.132

81/100

15%

TTI (Time to Interactive)

Value14.6 s

8/100

10%

Network Requests Diagram

www.gzhanchao.com

5853 ms

jquery-1.10.2.min.js

1010 ms

jquery-migrate-1.2.1.min.js

907 ms

jquery.scrollLoading-min.js

5452 ms

common.js

5453 ms

Our browser made a total of 80 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Gzhanchao.com, 54% (43 requests) were made to Cdn.1yweb.com and 8% (6 requests) were made to Lxbjs.baidu.com. The less responsive or slowest element that took the longest time to load (5.9 sec) relates to the external source Ofs1.1yweb.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 241.1 kB (17%)

Content Size

1.4 MB

After Optimization

1.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Gzhanchao.com main page is 1.4 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. 35% of websites need less resources to load. Images take 1.1 MB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 56.9 kB

  • Original 74.9 kB
  • After minification 71.2 kB
  • After compression 18.0 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 56.9 kB or 76% of the original size.

Image Optimization

-2%

Potential reduce by 20.5 kB

  • Original 1.1 MB
  • After minification 1.1 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. Gzhanchao images are well optimized though.

JavaScript Optimization

-67%

Potential reduce by 125.5 kB

  • Original 188.4 kB
  • After minification 178.0 kB
  • After compression 62.9 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 125.5 kB or 67% of the original size.

CSS Optimization

-77%

Potential reduce by 38.2 kB

  • Original 49.4 kB
  • After minification 42.1 kB
  • After compression 11.2 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. Gzhanchao.com needs all CSS files to be minified and compressed as it can save up to 38.2 kB or 77% of the original size.

Requests Breakdown

Number of requests can be reduced by 45 (58%)

Requests Now

78

After Optimization

33

  • Images
  • JavaScript
  • CSS

The browser has sent 78 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Gzhanchao. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 21 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

www.gzhanchao.com

www.gzhanchao.com

5853 ms

jquery-1.10.2.min.js

jquery-1.10.2.min.js

1010 ms

jquery-migrate-1.2.1.min.js

jquery-migrate-1.2.1.min.js

907 ms

jquery.scrollLoading-min.js

jquery.scrollLoading-min.js

5452 ms

common.js

common.js

5453 ms

system.js

system.js

5505 ms

global.css

global.css

5509 ms

common.js

common.js

5690 ms

index.css

index.css

4432 ms

index.js

index.js

4394 ms

c.php

c.php

1304 ms

data.1yweb.com

data.1yweb.com

1168 ms

global.css

global.css

3053 ms

3347ff560773beca88a209fd7f9c6220.jpg

3347ff560773beca88a209fd7f9c6220.jpg

5826 ms

bb8ba850b62a160dc075d6a288e7016b.jpg

bb8ba850b62a160dc075d6a288e7016b.jpg

5910 ms

header_bg.png

header_bg.png

282 ms

site_logo.png

site_logo.png

1749 ms

1964735264eb4328bcb6750169d42617.jpg

1964735264eb4328bcb6750169d42617.jpg

371 ms

1b20632f0cf0234b68715e8d70c845d1.jpg

1b20632f0cf0234b68715e8d70c845d1.jpg

761 ms

index_product_title.png

index_product_title.png

452 ms

pixel.gif

pixel.gif

136 ms

index_product_index_title.png

index_product_index_title.png

412 ms

index_banner_2.jpg

index_banner_2.jpg

640 ms

index_company_title.png

index_company_title.png

732 ms

index_case_bg.jpg

index_case_bg.jpg

2104 ms

index_case_title.png

index_case_title.png

811 ms

nav_li_item.png

nav_li_item.png

879 ms

4533917c03bff733a6839c293fa8a761.png

4533917c03bff733a6839c293fa8a761.png

1422 ms

d4a087f6fb670a0c1cf40e69d4d3eb47.png

d4a087f6fb670a0c1cf40e69d4d3eb47.png

5695 ms

50db0b52cf5ef4b14b0c9bd9a4448aff.png

50db0b52cf5ef4b14b0c9bd9a4448aff.png

5663 ms

index_search_text.png

index_search_text.png

900 ms

index_search_button.png

index_search_button.png

940 ms

index_product_bg.png

index_product_bg.png

1244 ms

index_product_switch.png

index_product_switch.png

1189 ms

index_product_index_bg.png

index_product_index_bg.png

1234 ms

index_banner_2_button.png

index_banner_2_button.png

1231 ms

index_company_bg.png

index_company_bg.png

1494 ms

index_company_title_icon.png

index_company_title_icon.png

1554 ms

index_company_box_more.png

index_company_box_more.png

1542 ms

loading.gif

loading.gif

1348 ms

index_qa_q.png

index_qa_q.png

4671 ms

index_qa_a.png

index_qa_a.png

1810 ms

index_case_title_icon.png

index_case_title_icon.png

1845 ms

index_case_box_title_bg.png

index_case_box_title_bg.png

1863 ms

index_case_box_title_icon.png

index_case_box_title_icon.png

1873 ms

index_case_box_cover_bg.png

index_case_box_cover_bg.png

2148 ms

index_case_detail_view.png

index_case_detail_view.png

2167 ms

footer_link_icon.png

footer_link_icon.png

2164 ms

footer_info_bg.png

footer_info_bg.png

4743 ms

a96ca9d197d3157657ac70d9c81fbd73.png

a96ca9d197d3157657ac70d9c81fbd73.png

5695 ms

fb29346483cd69b68675c56ecd225511.png

fb29346483cd69b68675c56ecd225511.png

1147 ms

h.js

h.js

741 ms

21.gif

21.gif

1209 ms

lxb.js

lxb.js

1606 ms

b.js

b.js

1321 ms

hm.gif

hm.gif

357 ms

shell_v2.js

shell_v2.js

497 ms

stat.htm

stat.htm

248 ms

core.php

core.php

966 ms

float_s.gif

float_s.gif

4104 ms

float_bg.gif

float_bg.gif

1653 ms

webZx_bg.jpg

webZx_bg.jpg

1667 ms

back_top.png

back_top.png

1665 ms

logger.js

logger.js

250 ms

bds_s_v2.js

bds_s_v2.js

986 ms

9.gif

9.gif

1358 ms

bsl.js

bsl.js

2270 ms

bdsstyle.css

bdsstyle.css

255 ms

log.gif

log.gif

262 ms

_l.js

_l.js

560 ms

log.gif

log.gif

519 ms

is.png

is.png

753 ms

log.gif

log.gif

260 ms

14.css

14.css

260 ms

app.gif

app.gif

2382 ms

Enter.php

Enter.php

937 ms

main_icon_invite_mess_api.js

main_icon_invite_mess_api.js

4213 ms

main.css

main.css

594 ms

fix.css

fix.css

940 ms

version.js

version.js

1463 ms

Accessibility Review

gzhanchao.com accessibility score

68

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

gzhanchao.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

SEO Factors

gzhanchao.com SEO score

54

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

High

robots.txt is not valid

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

    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 Gzhanchao.com 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 Gzhanchao.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

gzhanchao.com

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