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831av.com screenshot

Report Summary

  • 90

    Performance

    Renders faster than
    91% of other websites

  • 54

    Accessibility

    Visual factors better than
    that of 23% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 100

    SEO

    Google-friendlier than
    95% of websites

Page Load Speed

11.9 sec in total

First Response

951 ms

Resources Loaded

10.8 sec

Page Rendered

158 ms

831av.com screenshot

About Website

Welcome to 831av.com homepage info - get ready to check 831 Av best content for China right away, or after learning these important things about 831av.com

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Key Findings

We analyzed 831av.com page load time and found that the first response time was 951 ms and then it took 11 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

831av.com performance score

90

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.1 s

81/100

10%

LCP (Largest Contentful Paint)

Value3.3 s

68/100

25%

SI (Speed Index)

Value2.1 s

99/100

10%

TBT (Total Blocking Time)

Value10 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value2.2 s

99/100

10%

Network Requests Diagram

831av.com

951 ms

ga.js

9 ms

18_Bg.jpg

9870 ms

18_leave.gif

713 ms

18_enter.gif

2424 ms

Our browser made a total of 6 requests to load all elements on the main page. We found that 67% of them (4 requests) were addressed to the original 831av.com, 33% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (9.9 sec) belongs to the original domain 831av.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 2.7 kB (2%)

Content Size

161.5 kB

After Optimization

158.8 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of 831av.com main page is 161.5 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. Only 5% of websites need less resources to load. Images take 141.4 kB which makes up the majority of the site volume.

HTML Optimization

-57%

Potential reduce by 1.7 kB

  • Original 2.9 kB
  • After minification 2.9 kB
  • After compression 1.3 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 1.7 kB or 57% of the original size.

Image Optimization

-1%

Potential reduce by 964 B

  • Original 141.4 kB
  • After minification 140.4 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. 831 Av images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 34 B

  • Original 17.2 kB
  • After minification 17.2 kB
  • After compression 17.1 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. This website has mostly compressed JavaScripts.

Requests Breakdown

We found no issues to fix!

Requests Now

5

After Optimization

5

  • Images
  • JavaScript

The browser has sent 5 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 831 Av. According to our analytics all requests are already optimized.

Network Requests Diagram

831av.com

831av.com

951 ms

ga.js

ga.js

9 ms

18_Bg.jpg

18_Bg.jpg

9870 ms

18_leave.gif

18_leave.gif

713 ms

18_enter.gif

18_enter.gif

2424 ms

__utm.gif

__utm.gif

15 ms

Accessibility Review

831av.com accessibility score

54

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

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

831av.com best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

SEO Factors

831av.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

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise 831av.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 831av.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

831av.com

Open Graph description is not detected on the main page of 831 Av. 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: