Tools & Wizards About Us

Report Summary

  • 47

    Performance

    Renders faster than
    65% of other websites

  • 49

    Accessibility

    Visual factors better than
    that of 20% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

referenceexpress.com

电竞比赛下注平台·（中国）官方网站

Page Load Speed

30.8 sec in total

First Response

1.6 sec

Resources Loaded

28.9 sec

Page Rendered

246 ms

About Website

Visit referenceexpress.com now to see the best up-to-date Referenceexpress content and also check out these interesting facts you probably never knew about referenceexpress.com

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Visit referenceexpress.com

Key Findings

We analyzed Referenceexpress.com page load time and found that the first response time was 1.6 sec and then it took 29.1 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 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

referenceexpress.com performance score

47

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value8.6 s

0/100

10%

LCP (Largest Contentful Paint)

Value8.6 s

1/100

25%

SI (Speed Index)

Value16.6 s

0/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.117

85/100

15%

TTI (Time to Interactive)

Value8.6 s

37/100

10%

Network Requests Diagram

referenceexpress.com

1638 ms

referenceexpress.com

941 ms

www.referenceexpress.com

483 ms

www.referenceexpress.com

2115 ms

ld.js

1160 ms

Our browser made a total of 141 requests to load all elements on the main page. We found that 4% of them (6 requests) were addressed to the original Referenceexpress.com, 81% (114 requests) were made to Xmxzh.oss-cn-beijing.aliyuncs.com and 8% (11 requests) were made to Ptfafa.com. The less responsive or slowest element that took the longest time to load (20.2 sec) relates to the external source Ptfafa.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 164.5 kB (22%)

Content Size

755.4 kB

After Optimization

590.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Referenceexpress.com main page is 755.4 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 625.2 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 80.8 kB

  • Original 96.2 kB
  • After minification 95.0 kB
  • After compression 15.4 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. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 80.8 kB or 84% of the original size.

Image Optimization

-13%

Potential reduce by 83.2 kB

  • Original 625.2 kB
  • After minification 542.0 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, Referenceexpress needs image optimization as it can save up to 83.2 kB or 13% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-1%

Potential reduce by 456 B

  • Original 33.4 kB
  • After minification 33.4 kB
  • After compression 32.9 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. This website has mostly compressed JavaScripts.

CSS Optimization

-14%

Potential reduce by 107 B

  • Original 755 B
  • After minification 755 B
  • After compression 648 B

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. Referenceexpress.com needs all CSS files to be minified and compressed as it can save up to 107 B or 14% of the original size.

Requests Breakdown

Number of requests can be reduced by 5 (28%)

Requests Now

18

After Optimization

13

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 18 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Referenceexpress. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

referenceexpress.com accessibility score

49

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

<frame> or <iframe> elements do not have a title

High

Form elements do not have associated labels

High

Links do not have a discernible name

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

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

referenceexpress.com best practices score

67

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

High

Browser errors were logged to the console

SEO Factors

referenceexpress.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

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Referenceexpress.com can be misinterpreted by Google and other search engines. Our service has detected that Chinese is used on the page, and it does not match the claimed English language. Our system also found out that Referenceexpress.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 Referenceexpress. 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: