Report Summary

  • 79

    Performance

    Renders faster than
    86% of other websites

  • 43

    Accessibility

    Visual factors better than
    that of 19% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 67

    SEO

    Google-friendlier than
    25% of websites

37www.com

三晶数据 - 成都三晶科技有限公司旗下品牌,始于2005年!

Page Load Speed

45.1 sec in total

First Response

3.8 sec

Resources Loaded

41.1 sec

Page Rendered

222 ms

37www.com screenshot

About Website

Visit 37www.com now to see the best up-to-date 37 Www content and also check out these interesting facts you probably never knew about 37www.com

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Visit 37www.com

Key Findings

We analyzed 37www.com page load time and found that the first response time was 3.8 sec and then it took 41.3 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 24 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

37www.com performance score

79

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.1 s

81/100

10%

LCP (Largest Contentful Paint)

Value3.0 s

77/100

25%

SI (Speed Index)

Value6.1 s

44/100

10%

TBT (Total Blocking Time)

Value40 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.253

49/100

15%

TTI (Time to Interactive)

Value2.9 s

96/100

10%

Network Requests Diagram

37www.com

3757 ms

global.css

20061 ms

main.css

1145 ms

index_ban.css

3801 ms

QQkefu.css

714 ms

Our browser made a total of 54 requests to load all elements on the main page. We found that 83% of them (45 requests) were addressed to the original 37www.com, 9% (5 requests) were made to Pub.idqqimg.com and 2% (1 request) were made to Js.users.51.la. The less responsive or slowest element that took the longest time to load (20.1 sec) belongs to the original domain 37www.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 164.7 kB (42%)

Content Size

391.3 kB

After Optimization

226.6 kB

In fact, the total size of 37www.com main page is 391.3 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 193.1 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 20.3 kB

  • Original 26.0 kB
  • After minification 24.3 kB
  • After compression 5.8 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 20.3 kB or 78% of the original size.

Image Optimization

-2%

Potential reduce by 3.4 kB

  • Original 162.3 kB
  • After minification 158.9 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. 37 Www images are well optimized though.

JavaScript Optimization

-69%

Potential reduce by 133.9 kB

  • Original 193.1 kB
  • After minification 192.1 kB
  • After compression 59.3 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 133.9 kB or 69% of the original size.

CSS Optimization

-73%

Potential reduce by 7.2 kB

  • Original 9.9 kB
  • After minification 8.0 kB
  • After compression 2.7 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. 37www.com needs all CSS files to be minified and compressed as it can save up to 7.2 kB or 73% of the original size.

Requests Breakdown

Number of requests can be reduced by 4 (14%)

Requests Now

29

After Optimization

25

The browser has sent 29 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 37 Www. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

37www.com accessibility score

43

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

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

37www.com best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

37www.com SEO score

67

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

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

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 doesn't use legible font sizes

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 37www.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 37www.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 37 Www. 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: