Report Summary

  • 74

    Performance

    Renders faster than
    83% of other websites

  • 67

    Accessibility

    Visual factors better than
    that of 32% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 100

    SEO

    Google-friendlier than
    95% of websites

b1bj.com

比一比价网 -- 网购前,比一比,做实用的比价购物搜索引擎

Page Load Speed

36.7 sec in total

First Response

5.9 sec

Resources Loaded

30.5 sec

Page Rendered

227 ms

b1bj.com screenshot

About Website

Welcome to b1bj.com homepage info - get ready to check B 1 Bj best content for China right away, or after learning these important things about b1bj.com

网购前,先比价。比一比价网b1bj.com拥有专业的比价购物搜索引擎技术,方便您比较各大网上商城的同款报价,我们致力于做实用的比价网站。

Visit b1bj.com

Key Findings

We analyzed B1bj.com page load time and found that the first response time was 5.9 sec and then it took 30.7 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. Unfortunately, there was 1 request timeout, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

b1bj.com performance score

74

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.6 s

31/100

10%

LCP (Largest Contentful Paint)

Value3.6 s

60/100

25%

SI (Speed Index)

Value7.7 s

24/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.071

96/100

15%

TTI (Time to Interactive)

Value3.6 s

91/100

10%

Network Requests Diagram

b1bj.com

5940 ms

Style.css

4108 ms

core.css

4349 ms

jquery-1.6.1.js

19893 ms

SimpleCore.js

1479 ms

Our browser made a total of 26 requests to load all elements on the main page. We found that 27% of them (7 requests) were addressed to the original B1bj.com, 35% (9 requests) were made to Misc.manmanbuy.com and 12% (3 requests) were made to Duomai.com. The less responsive or slowest element that took the longest time to load (19.9 sec) belongs to the original domain B1bj.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 68.4 kB (75%)

Content Size

91.0 kB

After Optimization

22.6 kB

In fact, the total size of B1bj.com main page is 91.0 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. Only 10% of websites need less resources to load. Javascripts take 57.7 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 16.6 kB

  • Original 20.3 kB
  • After minification 14.6 kB
  • After compression 3.7 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 5.7 kB, which is 28% 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 16.6 kB or 82% of the original size.

Image Optimization

-2%

Potential reduce by 172 B

  • Original 7.2 kB
  • After minification 7.1 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. B 1 Bj images are well optimized though.

JavaScript Optimization

-82%

Potential reduce by 47.1 kB

  • Original 57.7 kB
  • After minification 37.4 kB
  • After compression 10.6 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 47.1 kB or 82% of the original size.

CSS Optimization

-80%

Potential reduce by 4.6 kB

  • Original 5.8 kB
  • After minification 3.5 kB
  • After compression 1.2 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. B1bj.com needs all CSS files to be minified and compressed as it can save up to 4.6 kB or 80% of the original size.

Requests Breakdown

Number of requests can be reduced by 13 (62%)

Requests Now

21

After Optimization

8

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

Accessibility Review

b1bj.com accessibility score

67

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

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

b1bj.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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

b1bj.com SEO score

100

Search Engine Optimization Advices

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

    N/A

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise B1bj.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 B1bj.com main page’s claimed encoding is . Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

Open Graph description is not detected on the main page of B 1 Bj. 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: