Report Summary

  • 91

    Performance

    Renders faster than
    91% of other websites

  • 53

    Accessibility

    Visual factors better than
    that of 22% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 50

    SEO

    Google-friendlier than
    18% of websites

bet-scan.com

北京一体通探测技术有限公司

Page Load Speed

29.6 sec in total

First Response

3.1 sec

Resources Loaded

26.2 sec

Page Rendered

256 ms

bet-scan.com screenshot

About Website

Welcome to bet-scan.com homepage info - get ready to check Bet Scan best content right away, or after learning these important things about bet-scan.com

北京一体通探测技术有限公司

Visit bet-scan.com

Key Findings

We analyzed Bet-scan.com page load time and found that the first response time was 3.1 sec and then it took 26.5 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 10 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

bet-scan.com performance score

91

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value0.6 s

100/100

10%

LCP (Largest Contentful Paint)

Value1.0 s

100/100

25%

SI (Speed Index)

Value9.1 s

13/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.017

100/100

15%

TTI (Time to Interactive)

Value0.9 s

100/100

10%

Network Requests Diagram

bet-scan.com

3117 ms

main.css

3722 ms

common.js

1153 ms

logo.jpg

11022 ms

arrow01.jpg

809 ms

Our browser made a total of 45 requests to load all elements on the main page. We found that all of those requests were addressed to Bet-scan.com and no external sources were called. The less responsive or slowest element that took the longest time to load (20.3 sec) belongs to the original domain Bet-scan.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 88.3 kB (45%)

Content Size

197.8 kB

After Optimization

109.4 kB

In fact, the total size of Bet-scan.com main page is 197.8 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. Images take 128.2 kB which makes up the majority of the site volume.

HTML Optimization

-89%

Potential reduce by 48.8 kB

  • Original 54.8 kB
  • After minification 36.6 kB
  • After compression 6.0 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 18.2 kB, which is 33% 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 48.8 kB or 89% of the original size.

Image Optimization

-21%

Potential reduce by 27.3 kB

  • Original 128.2 kB
  • After minification 100.8 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, Bet Scan needs image optimization as it can save up to 27.3 kB or 21% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-69%

Potential reduce by 2.4 kB

  • Original 3.4 kB
  • After minification 2.5 kB
  • After compression 1.1 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 2.4 kB or 69% of the original size.

CSS Optimization

-87%

Potential reduce by 9.8 kB

  • Original 11.4 kB
  • After minification 8.4 kB
  • After compression 1.5 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. Bet-scan.com needs all CSS files to be minified and compressed as it can save up to 9.8 kB or 87% of the original size.

Requests Breakdown

Number of requests can be reduced by 8 (24%)

Requests Now

34

After Optimization

26

The browser has sent 34 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Bet Scan. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.

Accessibility Review

bet-scan.com accessibility score

53

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

High

<object> elements do not have alternate text

Best Practices

bet-scan.com best practices score

58

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

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

SEO Factors

bet-scan.com SEO score

50

Search Engine Optimization Advices

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

High

Document uses plugins

Language and Encoding

  • Language Detected

    ZH

  • Language Claimed

    N/A

  • Encoding

    GB2312

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Bet-scan.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 Bet-scan.com main page’s claimed encoding is gb2312. 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 Bet Scan. 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: