Tools & Wizards About Us

Report Summary

  • 38

    Performance

    Renders faster than
    57% of other websites

  • 69

    Accessibility

    Visual factors better than
    that of 34% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 58

    SEO

    Google-friendlier than
    21% of websites

512test.com

中国护士网_护理网_512护士网_护士考试网_2024护士执业资格考试_护士网_护士_护理论文_护士网站

Page Load Speed

24.4 sec in total

First Response

1.4 sec

Resources Loaded

22.8 sec

Page Rendered

235 ms

About Website

Welcome to 512test.com homepage info - get ready to check 512 Test best content for China right away, or after learning these important things about 512test.com

中国护士网www.512test.com是最专业最好的护理行业门户,提供护理资讯,护士出国,护士家园,护理管理,护士范文,护士招聘,护理论文,护士考试,护士留学,护士试题以及护士论坛,医疗健康,护士空间,护理理论

Visit 512test.com

Key Findings

We analyzed 512test.com page load time and found that the first response time was 1.4 sec and then it took 23 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

512test.com performance score

38

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.9 s

53/100

10%

LCP (Largest Contentful Paint)

Value6.2 s

11/100

25%

SI (Speed Index)

Value8.1 s

20/100

10%

TBT (Total Blocking Time)

Value650 ms

46/100

30%

CLS (Cumulative Layout Shift)

Value0.112

86/100

15%

TTI (Time to Interactive)

Value12.3 s

15/100

10%

Network Requests Diagram

512test.com

1356 ms

ny_base.css

677 ms

ny_index.css

687 ms

ny_flash.js

698 ms

adsbygoogle.js

101 ms

Our browser made a total of 90 requests to load all elements on the main page. We found that 48% of them (43 requests) were addressed to the original 512test.com, 8% (7 requests) were made to Googleads.g.doubleclick.net and 8% (7 requests) were made to Pos.baidu.com. The less responsive or slowest element that took the longest time to load (19.9 sec) relates to the external source G.click.taobao.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 221.9 kB (26%)

Content Size

837.6 kB

After Optimization

615.8 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of 512test.com main page is 837.6 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. 30% of websites need less resources to load. Javascripts take 318.6 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 179.4 kB

  • Original 218.1 kB
  • After minification 201.5 kB
  • After compression 38.8 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 179.4 kB or 82% of the original size.

Image Optimization

-12%

Potential reduce by 34.9 kB

  • Original 288.4 kB
  • After minification 253.5 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, 512 Test needs image optimization as it can save up to 34.9 kB or 12% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-2%

Potential reduce by 5.2 kB

  • Original 318.6 kB
  • After minification 318.6 kB
  • After compression 313.4 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

-19%

Potential reduce by 2.4 kB

  • Original 12.5 kB
  • After minification 12.5 kB
  • After compression 10.1 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. 512test.com needs all CSS files to be minified and compressed as it can save up to 2.4 kB or 19% of the original size.

Requests Breakdown

Number of requests can be reduced by 57 (68%)

Requests Now

84

After Optimization

27

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 84 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 512 Test. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 20 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

512test.com accessibility score

69

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.

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

<dl>'s do not contain only properly-ordered <dt> and <dd> groups, <script>, <template> or <div> elements.

High

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

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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

512test.com best practices score

58

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

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

High

Browser errors were logged to the console

SEO Factors

512test.com SEO score

58

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

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 512test.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 512test.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 512 Test. 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: