Tools & Wizards About Us
zbgb.org screenshot

Report Summary

  • 66

    Performance

    Renders faster than
    79% of other websites

  • 84

    Accessibility

    Visual factors better than
    that of 57% of websites

  • 54

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 75

    SEO

    Google-friendlier than
    32% of websites

zbgb.org

ZBGB国家标准行业标准信息服务网–免费标准下载网

Page Load Speed

32 sec in total

First Response

1.1 sec

Resources Loaded

30.3 sec

Page Rendered

614 ms

zbgb.org screenshot

About Website

Click here to check amazing Zbgb content for China. Otherwise, check out these important facts you probably never knew about zbgb.org

ZBGB标准下载网国家标准行业标准信息服务网提供近百万条标准信息的免费分享和公告下载,快速查询最全面的国外标准德国DIN标准,日本JIS标准,EN标准,ANSI标准,国际电工IEEE标准,ISO标准,ASME标准,SAE标准,美国UL标准等

Visit zbgb.org

Key Findings

We analyzed Zbgb.org page load time and found that the first response time was 1.1 sec and then it took 30.9 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

zbgb.org performance score

66

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.6 s

63/100

10%

LCP (Largest Contentful Paint)

Value7.8 s

4/100

25%

SI (Speed Index)

Value4.4 s

75/100

10%

TBT (Total Blocking Time)

Value100 ms

98/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value5.6 s

70/100

10%

Network Requests Diagram

zbgb.org

1084 ms

www.zbgb.org

4032 ms

jquery.js

3406 ms

jquery.KinSlideshow-1.2.1.min.js

877 ms

css.css

2508 ms

Our browser made a total of 55 requests to load all elements on the main page. We found that 44% of them (24 requests) were addressed to the original Zbgb.org, 13% (7 requests) were made to Cpro.baidustatic.com and 11% (6 requests) were made to Pos.baidu.com. The less responsive or slowest element that took the longest time to load (5.1 sec) relates to the external source Pcookie.cnzz.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 389.2 kB (59%)

Content Size

663.5 kB

After Optimization

274.3 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Zbgb.org main page is 663.5 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. 25% of websites need less resources to load. Javascripts take 405.9 kB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 88.9 kB

  • Original 103.4 kB
  • After minification 76.9 kB
  • After compression 14.6 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. This page needs HTML code to be minified as it can gain 26.5 kB, which is 26% 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 88.9 kB or 86% of the original size.

Image Optimization

-12%

Potential reduce by 15.9 kB

  • Original 130.9 kB
  • After minification 115.1 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, Zbgb needs image optimization as it can save up to 15.9 kB or 12% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-65%

Potential reduce by 265.0 kB

  • Original 405.9 kB
  • After minification 405.6 kB
  • After compression 140.9 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 265.0 kB or 65% of the original size.

CSS Optimization

-84%

Potential reduce by 19.4 kB

  • Original 23.2 kB
  • After minification 19.9 kB
  • After compression 3.8 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. Zbgb.org needs all CSS files to be minified and compressed as it can save up to 19.4 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 31 (63%)

Requests Now

49

After Optimization

18

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 49 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zbgb. 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 as a result speed up the page load time.

Network Requests Diagram

zbgb.org

zbgb.org

1084 ms

www.zbgb.org

www.zbgb.org

4032 ms

jquery.js

jquery.js

3406 ms

jquery.KinSlideshow-1.2.1.min.js

jquery.KinSlideshow-1.2.1.min.js

877 ms

css.css

css.css

2508 ms

f.js

f.js

1097 ms

c.js

c.js

1149 ms

stat.php

stat.php

1661 ms

hctm

hctm

2263 ms

banner.jpg

banner.jpg

3226 ms

menu_bg.png

menu_bg.png

282 ms

menu_bg_selected.png

menu_bg_selected.png

287 ms

hctm

hctm

2250 ms

search_box_icon.png

search_box_icon.png

244 ms

baidu_search.html

baidu_search.html

369 ms

leftBar0.jpg

leftBar0.jpg

488 ms

newStar.png1

newStar.png1

504 ms

mainBar.jp1g

mainBar.jp1g

628 ms

newStar.png

newStar.png

603 ms

tabbar_sprite.png

tabbar_sprite.png

611 ms

numbers_sm_1.gif

numbers_sm_1.gif

984 ms

numbers_sm_2.gif

numbers_sm_2.gif

985 ms

numbers_sm_3.gif

numbers_sm_3.gif

988 ms

numbers_sm_4.gif

numbers_sm_4.gif

983 ms

numbers_sm_5.gif

numbers_sm_5.gif

982 ms

numbers_sm_6.gif

numbers_sm_6.gif

1298 ms

numbers_sm_7.gif

numbers_sm_7.gif

1279 ms

numbers_sm_8.gif

numbers_sm_8.gif

1277 ms

numbers_sm_9.gif

numbers_sm_9.gif

1285 ms

numbers_sm_10.gif

numbers_sm_10.gif

1288 ms

stat.htm

stat.htm

237 ms

core.php

core.php

2043 ms

hctm

hctm

1031 ms

hctm

hctm

3440 ms

hctm

hctm

2482 ms

9.gif

9.gif

1868 ms

pic1.gif

pic1.gif

880 ms

adPic.new.20150909.min.js

adPic.new.20150909.min.js

558 ms

bot-patch.min.js

bot-patch.min.js

567 ms

click.min.js

click.min.js

567 ms

adx.php

adx.php

1388 ms

reduce_bd-logo1_oper.png

reduce_bd-logo1_oper.png

554 ms

adx.php

adx.php

1601 ms

rBEhWlJYrAEIAAAAAAACetYAYQwAAECuwP__W4AAAKS951.png

rBEhWlJYrAEIAAAAAAACetYAYQwAAECuwP__W4AAAKS951.png

747 ms

5703cbf9N21b63008.jpg

5703cbf9N21b63008.jpg

242 ms

adx.php

adx.php

3052 ms

app.gif

app.gif

5100 ms

closefeedback.min.js

closefeedback.min.js

594 ms

reduce_promotion_oper.png

reduce_promotion_oper.png

587 ms

bd_logo.png

bd_logo.png

613 ms

bg_rb.png

bg_rb.png

611 ms

55e40d3fN2a01189f.png

55e40d3fN2a01189f.png

38 ms

o.htm

o.htm

4003 ms

wh.js

wh.js

838 ms

ac.js

ac.js

684 ms

Accessibility Review

zbgb.org accessibility score

84

Accessibility Issues

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

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

Best Practices

zbgb.org best practices score

54

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

General

Impact

Issue

High

Registers an unload listener

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

zbgb.org SEO score

75

Search Engine Optimization Advices

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 Zbgb.org 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 Zbgb.org 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

zbgb.org

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