Tools & Wizards About Us
39ask.cn screenshot

Report Summary

  • 46

    Performance

    Renders faster than
    65% of other websites

  • 42

    Accessibility

    Visual factors better than
    that of 18% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

39ask.cn

多囊卵巢综合症在线免费问医生 - 39问医生

Page Load Speed

50.7 sec in total

First Response

15.3 sec

Resources Loaded

35.3 sec

Page Rendered

164 ms

39ask.cn screenshot

About Website

Welcome to 39ask.cn homepage info - get ready to check 39 Ask best content right away, or after learning these important things about 39ask.cn

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Visit 39ask.cn

Key Findings

We analyzed 39ask.cn page load time and found that the first response time was 15.3 sec and then it took 35.5 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number 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

39ask.cn performance score

46

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.7 s

59/100

10%

LCP (Largest Contentful Paint)

Value4.4 s

39/100

25%

SI (Speed Index)

Value6.2 s

43/100

10%

TBT (Total Blocking Time)

Value1,070 ms

24/100

30%

CLS (Cumulative Layout Shift)

Value0.101

89/100

15%

TTI (Time to Interactive)

Value6.5 s

59/100

10%

Network Requests Diagram

39ask.cn

15250 ms

global.css

1220 ms

client2.js

2288 ms

track.js

6918 ms

dp.js

651 ms

Our browser made a total of 7 requests to load all elements on the main page. We found that 14% of them (1 request) were addressed to the original 39ask.cn, 43% (3 requests) were made to Cdn.dragonstatic.com and 29% (2 requests) were made to Cpro.baidustatic.com. The less responsive or slowest element that took the longest time to load (19.9 sec) relates to the external source Cpro.baidustatic.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 5.6 kB (57%)

Content Size

9.9 kB

After Optimization

4.2 kB

  • HTML
  • JavaScript
  • CSS

In fact, the total size of 39ask.cn main page is 9.9 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only a small number of websites need less resources to load. Javascripts take 4.2 kB which makes up the majority of the site volume.

HTML Optimization

-67%

Potential reduce by 2.0 kB

  • Original 2.9 kB
  • After minification 2.8 kB
  • After compression 958 B

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 2.0 kB or 67% of the original size.

JavaScript Optimization

-44%

Potential reduce by 1.9 kB

  • Original 4.2 kB
  • After minification 4.1 kB
  • After compression 2.3 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 1.9 kB or 44% of the original size.

CSS Optimization

-65%

Potential reduce by 1.8 kB

  • Original 2.7 kB
  • After minification 2.5 kB
  • After compression 945 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. 39ask.cn needs all CSS files to be minified and compressed as it can save up to 1.8 kB or 65% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

5

After Optimization

5

  • Images
  • JavaScript
  • CSS

The browser has sent 5 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 39 Ask. According to our analytics all requests are already optimized.

Network Requests Diagram

39ask.cn

39ask.cn

15250 ms

global.css

global.css

1220 ms

client2.js

client2.js

2288 ms

track.js

track.js

6918 ms

dp.js

dp.js

651 ms

ci.js

ci.js

19870 ms

1.gif

1.gif

189 ms

Accessibility Review

39ask.cn accessibility score

42

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

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

39ask.cn 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

39ask.cn SEO score

83

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 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 39ask.cn 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 39ask.cn 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

39ask.cn

Open Graph description is not detected on the main page of 39 Ask. 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: