Tools & Wizards About Us

Report Summary

  • 70

    Performance

    Renders faster than
    81% of other websites

  • 29

    Accessibility

    Visual factors better than
    that of 18% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 67

    SEO

    Google-friendlier than
    26% of websites

51wav.com

欢迎来到公海7108线路(中国)股份有限公司

Page Load Speed

1.2 sec in total

First Response

114 ms

Resources Loaded

967 ms

Page Rendered

151 ms

About Website

Click here to check amazing 51 Wav content. Otherwise, check out these important facts you probably never knew about 51wav.com

欢迎来到公海7108线路拥有真人、体育、电子、彩票、棋牌等娱乐游戏,提供免费试玩账号和最新手机客户端下载,同时推出7X24小时美女在线光临您的圣驾!

Visit 51wav.com

Key Findings

We analyzed 51wav.com page load time and found that the first response time was 114 ms and then it took 1.1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.

Performance Metrics

51wav.com performance score

70

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.0 s

85/100

10%

LCP (Largest Contentful Paint)

Value4.4 s

39/100

25%

SI (Speed Index)

Value8.5 s

18/100

10%

TBT (Total Blocking Time)

Value200 ms

89/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value4.1 s

86/100

10%

Network Requests Diagram

51wav.com

114 ms

analytics.js

10 ms

bootstrap.min.css

180 ms

ef48a658a5.js

236 ms

all.css

246 ms

Our browser made a total of 24 requests to load all elements on the main page. We found that 8% of them (2 requests) were addressed to the original 51wav.com, 21% (5 requests) were made to Cdnjs.cloudflare.com and 17% (4 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (281 ms) relates to the external source Sav.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 16.6 kB (20%)

Content Size

82.5 kB

After Optimization

66.0 kB

  • HTML
  • JavaScript
  • CSS

In fact, the total size of 51wav.com main page is 82.5 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. 45% of websites need less resources to load. Javascripts take 58.3 kB which makes up the majority of the site volume.

HTML Optimization

-66%

Potential reduce by 13.2 kB

  • Original 19.9 kB
  • After minification 17.3 kB
  • After compression 6.7 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 2.6 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 13.2 kB or 66% of the original size.

JavaScript Optimization

-0%

Potential reduce by 115 B

  • Original 58.3 kB
  • After minification 58.3 kB
  • After compression 58.2 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

-77%

Potential reduce by 3.3 kB

  • Original 4.3 kB
  • After minification 3.4 kB
  • After compression 981 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. 51wav.com needs all CSS files to be minified and compressed as it can save up to 3.3 kB or 77% of the original size.

Requests Breakdown

Number of requests can be reduced by 11 (65%)

Requests Now

17

After Optimization

6

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 17 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 51 Wav. 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 from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

51wav.com accessibility score

29

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

<input type="image"> elements do not have [alt] text

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

51wav.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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

51wav.com SEO score

67

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

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 51wav.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 51wav.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 51 Wav. 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: