Access sh.gaokao.com. 上海高考网_上海最大的高考信息门户网站

name

value

score

weighting

FCP (First Contentful Paint)

Value3.4 s

37/100

10%

LCP (Largest Contentful Paint)

Value4.0 s

51/100

25%

SI (Speed Index)

Value9.1 s

14/100

10%

TBT (Total Blocking Time)

Value210 ms

89/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value10.4 s

24/100

10%

sh.gaokao.com

1264 ms

new_base1.css

1468 ms

new_index1.css

1491 ms

jxarea.css

1446 ms

nav_jump_gk.css

1544 ms

Our browser made a total of 137 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Sh.gaokao.com, 46% (63 requests) were made to Img.eduuu.com and 18% (24 requests) were made to Files.eduuu.com. The less responsive or slowest element that took the longest time to load (19.6 sec) relates to the external source Push.zhanzhang.baidu.com.

Content Size

874.1 kB

After Optimization

478.1 kB

In fact, the total size of Sh.gaokao.com main page is 874.1 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. 40% of websites need less resources to load. Images take 452.7 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 143.2 kB

Original 171.1 kB
After minification 149.9 kB
After compression 27.9 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. This page needs HTML code to be minified as it can gain 21.2 kB, which is 12% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 143.2 kB or 84% of the original size.

Image Optimization

-20%

Potential reduce by 92.2 kB

Original 452.7 kB
After minification 360.5 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, Sh Gaokao needs image optimization as it can save up to 92.2 kB or 20% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-59%

Potential reduce by 106.9 kB

Original 180.4 kB
After minification 169.2 kB
After compression 73.4 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 106.9 kB or 59% of the original size.

CSS Optimization

-77%

Potential reduce by 53.6 kB

Original 69.9 kB
After minification 62.8 kB
After compression 16.3 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. Sh.gaokao.com needs all CSS files to be minified and compressed as it can save up to 53.6 kB or 77% of the original size.

Requests Now

132

After Optimization

The browser has sent 132 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sh Gaokao. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 38 to 1 for JavaScripts and from 6 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 keyboard navigation in your application.

High

Heading elements are not in a sequentially-descending order

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

High

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

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

Image elements do not have [alt] attributes

High

<input type="image"> elements do not have [alt] text

High

Form elements do not have associated labels

High

Links do not have a discernible name

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

High

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

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

High

Registers an unload listener

Low

Detected JavaScript libraries

High

Issues were logged in the Issues panel in Chrome Devtools

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 Sh.gaokao.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 Sh.gaokao.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

sh.gaokao.com

Open Graph description is not detected on the main page of Sh Gaokao. 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

上海高考网_上海最大的高考信息门户网站_2020高考冲刺考查分

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

sh.gaokao.com

new_base1.css

new_index1.css

jxarea.css

nav_jump_gk.css

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

sh.gaokao.com

new_base1.css

new_index1.css

jxarea.css

nav_jump_gk.css

jQuery.js

common.js

logs.js

docapi.min.js

topMenu.js

gkMenu.js

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s

s

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zk_marquee_ms.js

2011address.js

8.js

ggc.js

mail.js

searchapi.js

bannerDaili.js

stat.php

index_call.js

sendmessage.js

js_index_jx.js

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logo.gif

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