Tools & Wizards About Us

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

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

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

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: