Access 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

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%

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.

Content Size

837.1 kB

After Optimization

615.2 kB

In fact, the total size of 512test.com main page is 837.1 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 318.1 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 318.1 kB
After minification 318.1 kB
After compression 312.9 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 Now

After Optimization

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.

Accessibility Issues

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

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>).

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.

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

These are opportunities to improve the interpretation of your content by users in different locales.

High

<html> element does not have a [lang] attribute

Areas of Improvement

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

High

Browser errors were logged to the console

Search Engine Optimization Advices

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

High

Links are not crawlable

Format your HTML in a way that enables crawlers to better understand your app’s content.

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

512test.com

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:

Report Summary

Performance

Accessibility

Best Practices

SEO

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

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

512test.com

ny_base.css

ny_index.css

ny_flash.js

adsbygoogle.js

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

512test.com

ny_base.css

ny_index.css

ny_flash.js

adsbygoogle.js

cm.js

show_ads.js

followbutton.php

like

319372.png

2008219191028281.gif

512test.jpg

i_top_bg.gif

b_nav_bg2.gif

ny_logo.gif

b_nav_line.gif

i_l_bot.gif

i_h_t_1.gif

i_h_t_4.gif

i_r_bot.gif

logo.jpg

bottom01.gif

bottom02.gif

be712e62ec16f2689c7065f4cf18d6bb.jpg

tkapi.js

i_h_tab_1_bg.gif

i_h_tab_2.gif

i_hot_bg_1.gif

i_h_bg.gif

i_h_t_2.gif

i_h_t_3.gif

i_box_bot_3.gif

i_box_tab_1.gif

i_box_t_bg_1.gif

i_box_bg.gif

i_hot_bg_3.gif

i_box_list_bg.gif

i_box_list_ico.gif

i_box_bot_1.gif

show_ads_impl.js

i_box_t_bg_2.gif

i_box_tab_2.gif

i_box_bot_2.gif