Tools & Wizards About Us
hdb.com screenshot

Report Summary

  • 23

    Performance

    Renders faster than
    41% of other websites

  • 52

    Accessibility

    Visual factors better than
    that of 21% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

hdb.com

北京互动吧-北京活动宣传_北京活动策划_北京活动报名

Page Load Speed

49.7 sec in total

First Response

1.5 sec

Resources Loaded

47.7 sec

Page Rendered

525 ms

hdb.com screenshot

About Website

Welcome to hdb.com homepage info - get ready to check Hdb best content for China right away, or after learning these important things about hdb.com

北京互动吧活动平台，为您提供北京活动宣传、活动策划、会议营销等多种行业活动的报名与发布，是北京一站式综合活动服务平台。找活动，办活动就来互动吧！

Visit hdb.com

Key Findings

We analyzed Hdb.com page load time and found that the first response time was 1.5 sec and then it took 48.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster. Unfortunately, there were 20 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

hdb.com performance score

23

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.7 s

13/100

10%

LCP (Largest Contentful Paint)

Value30.9 s

0/100

25%

SI (Speed Index)

Value22.6 s

0/100

10%

TBT (Total Blocking Time)

Value1,350 ms

17/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value12.8 s

13/100

10%

Network Requests Diagram

hdb.com

1460 ms

www.hdb.com

13060 ms

common.20160408_144407.min.css

6431 ms

other.20160408_144407.min.css

11493 ms

jquery-1.7.2.min.js

20083 ms

Our browser made a total of 81 requests to load all elements on the main page. We found that 7% of them (6 requests) were addressed to the original Hdb.com, 49% (40 requests) were made to Img1.hudongba.com and 25% (20 requests) were made to Img.small.hudongba.com. The less responsive or slowest element that took the longest time to load (20.1 sec) relates to the external source Static.hudongba.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 287.2 kB (43%)

Content Size

665.7 kB

After Optimization

378.5 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Hdb.com main page is 665.7 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. 20% of websites need less resources to load. Images take 341.2 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 89.9 kB

  • Original 112.1 kB
  • After minification 97.6 kB
  • After compression 22.1 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 14.5 kB, which is 13% 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 89.9 kB or 80% of the original size.

Image Optimization

-11%

Potential reduce by 39.0 kB

  • Original 341.2 kB
  • After minification 302.2 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, Hdb needs image optimization as it can save up to 39.0 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-74%

Potential reduce by 158.2 kB

  • Original 212.5 kB
  • After minification 168.5 kB
  • After compression 54.3 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 158.2 kB or 74% of the original size.

Requests Breakdown

Number of requests can be reduced by 25 (47%)

Requests Now

53

After Optimization

28

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 53 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Hdb. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

hdb.com

hdb.com

1460 ms

www.hdb.com

www.hdb.com

13060 ms

common.20160408_144407.min.css

common.20160408_144407.min.css

6431 ms

other.20160408_144407.min.css

other.20160408_144407.min.css

11493 ms

jquery-1.7.2.min.js

jquery-1.7.2.min.js

20083 ms

jquery.superslide.2.1.1.js

jquery.superslide.2.1.1.js

2056 ms

comm.20160408_144407.min.js

comm.20160408_144407.min.js

9196 ms

index.20160408_144407.min.js

index.20160408_144407.min.js

4762 ms

avalon.min.js

avalon.min.js

10209 ms

qrcode.js

qrcode.js

7485 ms

index_recommend.20160408_144407.min.js

index_recommend.20160408_144407.min.js

4067 ms

logo_5.png

logo_5.png

5293 ms

6i5yo1441265516376.jpg

6i5yo1441265516376.jpg

5690 ms

api:qr

api:qr

1177 ms

api:qr

api:qr

3500 ms

api:qr

api:qr

1785 ms

363986161456800307442_shop0.jpg

363986161456800307442_shop0.jpg

9349 ms

71453798786564_shop7.png

71453798786564_shop7.png

4966 ms

shuXian.png

shuXian.png

5236 ms

mem_jiao2.png

mem_jiao2.png

5279 ms

searcnBtn.png

searcnBtn.png

5373 ms

searchK_jiao.png

searchK_jiao.png

5513 ms

index_jiao.png

index_jiao.png

5667 ms

11459495301511_om1.jpg

11459495301511_om1.jpg

19920 ms

01459495314597_om0.jpg

01459495314597_om0.jpg

19921 ms

51460113001340_om5.jpg

51460113001340_om5.jpg

19922 ms

21459506143134_om2.jpg

21459506143134_om2.jpg

19921 ms

11458716731764_om1.jpg

11458716731764_om1.jpg

19422 ms

yin_235.gif

yin_235.gif

7061 ms

icon_time.png

icon_time.png

7606 ms

icon_addr.png

icon_addr.png

8194 ms

blueKuai.png

blueKuai.png

8748 ms

yin_287.gif

yin_287.gif

10854 ms

face_default_200.png

face_default_200.png

15235 ms

index_b_icon04.png

index_b_icon04.png

16865 ms

index_b_icon01.png

index_b_icon01.png

17436 ms

index_b_icon02.png

index_b_icon02.png

18000 ms

index_b_icon03.png

index_b_icon03.png

19042 ms

hd_tel5.png

hd_tel5.png

19908 ms

hd_tel4.png

hd_tel4.png

19908 ms

kf_tel.png

kf_tel.png

19904 ms

share_qr_close_20.png

share_qr_close_20.png

19903 ms

loading2.gif

loading2.gif

19904 ms

share_qr_close3.png

share_qr_close3.png

19903 ms

ma02.jpg

ma02.jpg

19902 ms

mb_icon_apple.png

mb_icon_apple.png

19901 ms

mb_icon_android.png

mb_icon_android.png

19901 ms

ma01.jpg

ma01.jpg

19900 ms

pop_remmind_yes.png

pop_remmind_yes.png

19901 ms

index_iconAll2.png

index_iconAll2.png

19805 ms

zbf_scrollBtn.png

zbf_scrollBtn.png

19794 ms

trans_75.png

trans_75.png

19795 ms

index_b_icon06.jpg

index_b_icon06.jpg

19794 ms

avalon.cookie.js

avalon.cookie.js

821 ms

mmRequest.js

mmRequest.js

4994 ms

index_b_icon05.png

index_b_icon05.png

16134 ms

sidebar_right.png

sidebar_right.png

16215 ms

indexTcbj.png

indexTcbj.png

15663 ms

mmPromise.js

mmPromise.js

2038 ms

loadingBj.png

loadingBj.png

15585 ms

api:120

api:120

1661 ms

381199531459311804434_shop0.jpg@!shop-head

381199531459311804434_shop0.jpg@!shop-head

4390 ms

47634251453477413027_shop0.jpg@!shop-head

47634251453477413027_shop0.jpg@!shop-head

3860 ms

buyu51419500445974.jpg@!shop-head

buyu51419500445974.jpg@!shop-head

3764 ms

jmb161459497433306.jpg@!shop-head

jmb161459497433306.jpg@!shop-head

4174 ms

8464541456528086335_shop0.jpg@!shop-head

8464541456528086335_shop0.jpg@!shop-head

3797 ms

380094581459067118845_payApply0.jpg@!shop-head

380094581459067118845_payApply0.jpg@!shop-head

3822 ms

108056531458205875224_payApply0.jpg@!shop-head

108056531458205875224_payApply0.jpg@!shop-head

4154 ms

51459849647757_shop5.png@!shop-head

51459849647757_shop5.png@!shop-head

4221 ms

pdl61445037780003.jpg@!shop-head

pdl61445037780003.jpg@!shop-head

4263 ms

298808011455239849995_shop0.jpg@!shop-head

298808011455239849995_shop0.jpg@!shop-head

4780 ms

91454047761621_shop9.gif@!shop-head

91454047761621_shop9.gif@!shop-head

6415 ms

jzb1u1448033694027.jpg@!shop-head

jzb1u1448033694027.jpg@!shop-head

5354 ms

373284191458116303741_shop0.jpg@!shop-head

373284191458116303741_shop0.jpg@!shop-head

5232 ms

2ix7t1447211418096.jpg@!shop-head

2ix7t1447211418096.jpg@!shop-head

5089 ms

379552381459870729285_payApply0.jpg@!shop-head

379552381459870729285_payApply0.jpg@!shop-head

5189 ms

veel1458403856173.jpg@!shop-head

veel1458403856173.jpg@!shop-head

5687 ms

381070651459373203219_payApply0.jpg@!shop-head

381070651459373203219_payApply0.jpg@!shop-head

6436 ms

1u60e1458546891563.jpg@!shop-head

1u60e1458546891563.jpg@!shop-head

5827 ms

11459910686107_shop1.jpg@!shop-head

11459910686107_shop1.jpg@!shop-head

6916 ms

ya8ee1458098304020.jpg@!shop-head

ya8ee1458098304020.jpg@!shop-head

6453 ms

Accessibility Review

hdb.com accessibility score

52

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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

hdb.com best practices score

83

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

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

hdb.com SEO score

86

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

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

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

    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 Hdb.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 Hdb.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

hdb.com

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