Access hbyz.cn. 安徽省淮北市第一中学

name

value

score

weighting

FCP (First Contentful Paint)

Value4.7 s

13/100

10%

LCP (Largest Contentful Paint)

Value5.2 s

23/100

25%

SI (Speed Index)

Value14.6 s

1/100

10%

TBT (Total Blocking Time)

Value800 ms

36/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value4.8 s

78/100

10%

hbyz.cn

3255 ms

style.css

2646 ms

dedeajax2.js

1156 ms

tabs.js

799 ms

rgb.js

2421 ms

Our browser made a total of 143 requests to load all elements on the main page. We found that 94% of them (134 requests) were addressed to the original Hbyz.cn, 1% (2 requests) were made to Dcs.conac.cn and 1% (1 request) were made to S11.cnzz.com. The less responsive or slowest element that took the longest time to load (20.2 sec) belongs to the original domain Hbyz.cn.

Content Size

922.9 kB

After Optimization

475.0 kB

In fact, the total size of Hbyz.cn main page is 922.9 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. 35% of websites need less resources to load. Images take 471.8 kB which makes up the majority of the site volume.

HTML Optimization

-93%

Potential reduce by 322.1 kB

Original 346.3 kB
After minification 240.6 kB
After compression 24.2 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 105.8 kB, which is 31% 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 322.1 kB or 93% of the original size.

Image Optimization

-10%

Potential reduce by 47.0 kB

Original 471.8 kB
After minification 424.8 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. Hbyz images are well optimized though.

JavaScript Optimization

-62%

Potential reduce by 29.2 kB

Original 47.1 kB
After minification 47.1 kB
After compression 17.9 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 29.2 kB or 62% of the original size.

CSS Optimization

-86%

Potential reduce by 49.5 kB

Original 57.7 kB
After minification 45.8 kB
After compression 8.2 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. Hbyz.cn needs all CSS files to be minified and compressed as it can save up to 49.5 kB or 86% of the original size.

Requests Now

106

After Optimization

The browser has sent 106 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Hbyz. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts 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 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

Form elements do not have associated labels

High

Links do not have a discernible name

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

Serves images with low resolution

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

Search Engine Optimization Advices

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

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Hbyz.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 Hbyz.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

hbyz.cn

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

安徽省淮北市第一中学

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

hbyz.cn

style.css

dedeajax2.js

tabs.js

rgb.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

hbyz.cn

style.css

dedeajax2.js

tabs.js

rgb.js

jquery.js

jquery.lavalamp.js

jquery.easing.min.js

general.js

scroll.js

js.js

ad_js.php

ad_js.php

img_group.js

marquee_pic.js

stat.php

0e1e3808f7a285ba070758be4f1c4de9

a_1.gif

a_2.gif

logo_tm.gif

a_27.gif

index_52.jpg

index_89.jpg

index_53.jpg

index_54.jpg

index_90.jpg

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