Tools & Wizards About Us
gzhanchao.com screenshot

Report Summary

  • 30

    Performance

    Renders faster than
    50% of other websites

  • 68

    Accessibility

    Visual factors better than
    that of 33% of websites

  • 50

    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

10.4 sec in total

First Response

952 ms

Resources Loaded

9 sec

Page Rendered

365 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 952 ms and then it took 9.4 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

gzhanchao.com performance score

30

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.3 s

17/100

10%

LCP (Largest Contentful Paint)

Value6.5 s

9/100

25%

SI (Speed Index)

Value16.1 s

0/100

10%

TBT (Total Blocking Time)

Value640 ms

47/100

30%

CLS (Cumulative Layout Shift)

Value0.156

74/100

15%

TTI (Time to Interactive)

Value16.3 s

5/100

10%

Network Requests Diagram

www.gzhanchao.com

952 ms

jquery-1.10.2.min.js

1862 ms

jquery-migrate-1.2.1.min.js

1637 ms

jquery.scrollLoading-min.js

1142 ms

common.js

1223 ms

Our browser made a total of 87 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Gzhanchao.com, 56% (49 requests) were made to Cdn.onesenz.com and 8% (7 requests) were made to Ckmap.mediav.com. The less responsive or slowest element that took the longest time to load (2.1 sec) relates to the external source Aff-im.cdn.bcebos.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 87.6 kB (6%)

Content Size

1.4 MB

After Optimization

1.3 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 53.8 kB

  • Original 70.5 kB
  • After minification 66.8 kB
  • After compression 16.6 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 53.8 kB or 76% of the original size.

Image Optimization

-2%

Potential reduce by 25.2 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

-3%

Potential reduce by 7.4 kB

  • Original 217.3 kB
  • After minification 217.3 kB
  • After compression 209.9 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. This website has mostly compressed JavaScripts.

CSS Optimization

-13%

Potential reduce by 1.2 kB

  • Original 9.1 kB
  • After minification 9.1 kB
  • After compression 7.9 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 1.2 kB or 13% of the original size.

Requests Breakdown

Number of requests can be reduced by 42 (54%)

Requests Now

78

After Optimization

36

  • AJAX
  • 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 14 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

www.gzhanchao.com

www.gzhanchao.com

952 ms

jquery-1.10.2.min.js

jquery-1.10.2.min.js

1862 ms

jquery-migrate-1.2.1.min.js

jquery-migrate-1.2.1.min.js

1637 ms

jquery.scrollLoading-min.js

jquery.scrollLoading-min.js

1142 ms

common.js

common.js

1223 ms

system.js

system.js

1180 ms

global.css

global.css

1183 ms

common.js

common.js

1184 ms

index.css

index.css

1194 ms

index.js

index.js

1365 ms

178616.js

178616.js

689 ms

data.onesenz.com

data.onesenz.com

693 ms

global.css

global.css

1213 ms

header_bg.png

header_bg.png

244 ms

36c57e9feae67037b3fe18eeb2c877d2.jpg

36c57e9feae67037b3fe18eeb2c877d2.jpg

1099 ms

eb6c88d0383bce6450766119006e94c9.jpg!w200

eb6c88d0383bce6450766119006e94c9.jpg!w200

701 ms

site_logo.png

site_logo.png

224 ms

40a2f8baa08853a8a72e2e358af4bff9.jpg

40a2f8baa08853a8a72e2e358af4bff9.jpg

917 ms

09d71a6e92652761b3d0c08e0372ec9c.jpg

09d71a6e92652761b3d0c08e0372ec9c.jpg

542 ms

index_product_title.png

index_product_title.png

245 ms

pixel.gif

pixel.gif

245 ms

index_product_index_title.png

index_product_index_title.png

448 ms

index_company_title.png

index_company_title.png

489 ms

index_case_bg.jpg

index_case_bg.jpg

973 ms

index_case_title.png

index_case_title.png

490 ms

nav_li_item.png

nav_li_item.png

646 ms

index_search_text.png

index_search_text.png

701 ms

index_search_button.png

index_search_button.png

703 ms

index_product_bg.png

index_product_bg.png

761 ms

index_product_switch.png

index_product_switch.png

863 ms

index_product_index_bg.png

index_product_index_bg.png

944 ms

index_banner_2_button.png

index_banner_2_button.png

948 ms

index_company_bg.png

index_company_bg.png

1010 ms

index_company_title_icon.png

index_company_title_icon.png

1087 ms

index_company_box_more.png

index_company_box_more.png

1111 ms

b92309cf18a6fdb4a842e32f83bd8068.png

b92309cf18a6fdb4a842e32f83bd8068.png

1184 ms

ba2db14f6cf1ee318a436a4b9f6b54ff.png

ba2db14f6cf1ee318a436a4b9f6b54ff.png

1188 ms

5edf8da34bfa9fd97dfcb692c4839e0e.png

5edf8da34bfa9fd97dfcb692c4839e0e.png

1192 ms

c883b049826aa895bf73af13a86463f8.png

c883b049826aa895bf73af13a86463f8.png

1260 ms

b4a68192246796e9607f069808a909d2.png

b4a68192246796e9607f069808a909d2.png

1310 ms

a34487a897f426f3658312a80c33c102.jpg

a34487a897f426f3658312a80c33c102.jpg

1337 ms

201fa042959e87c26a913d136c4308ed.jpg

201fa042959e87c26a913d136c4308ed.jpg

1431 ms

loading.gif

loading.gif

1431 ms

index_qa_q.png

index_qa_q.png

1439 ms

index_qa_a.png

index_qa_a.png

1511 ms

index_case_title_icon.png

index_case_title_icon.png

1535 ms

index_case_box_title_bg.png

index_case_box_title_bg.png

1564 ms

index_case_box_title_icon.png

index_case_box_title_icon.png

1673 ms

index_case_box_cover_bg.png

index_case_box_cover_bg.png

1676 ms

index_case_detail_view.png

index_case_detail_view.png

1685 ms

footer_link_icon.png

footer_link_icon.png

1763 ms

h.js

h.js

453 ms

s.gif

s.gif

460 ms

mediav1130.html

mediav1130.html

892 ms

proxy.html

proxy.html

464 ms

footer_info_bg.png

footer_info_bg.png

1572 ms

h.js

h.js

1226 ms

local.info.g9hc4.cn

local.info.g9hc4.cn

358 ms

s.gif

s.gif

470 ms

local.info.g9hc4.cn

local.info.g9hc4.cn

0 ms

b

b

737 ms

pixel

pixel

33 ms

t.gif

t.gif

1295 ms

ckmap.htm

ckmap.htm

999 ms

cm.gif

cm.gif

1117 ms

max.dmp.360.cn

max.dmp.360.cn

970 ms

pixel

pixel

22 ms

21.gif

21.gif

1640 ms

b.js

b.js

1707 ms

hm.gif

hm.gif

306 ms

shell_v2.js

shell_v2.js

851 ms

m

m

842 ms

float_s.gif

float_s.gif

246 ms

float_bg.gif

float_bg.gif

228 ms

webZx_bg.jpg

webZx_bg.jpg

247 ms

back_top.png

back_top.png

247 ms

logger.js

logger.js

346 ms

bds_s_v2.js

bds_s_v2.js

583 ms

m

m

211 ms

m

m

389 ms

m

m

480 ms

m

m

513 ms

m

m

463 ms

bdsstyle.css

bdsstyle.css

289 ms

affim.js

affim.js

2083 ms

is.png

is.png

293 ms

s.gif

s.gif

458 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

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

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: