Access htbenet.net. 北大青鸟顺义校区_北大青鸟华腾校区_北京北大青鸟马甸华腾培训校区_北大青鸟职业技术学院简介_北大青鸟顺义电脑培训

name

value

score

weighting

FCP (First Contentful Paint)

Value1.3 s

98/100

10%

LCP (Largest Contentful Paint)

Value4.7 s

33/100

25%

SI (Speed Index)

Value14.8 s

1/100

10%

TBT (Total Blocking Time)

Value370 ms

71/100

30%

CLS (Cumulative Layout Shift)

Value0.183

66/100

15%

TTI (Time to Interactive)

Value11.4 s

19/100

10%

htbenet.net

2096 ms

20120906indexnew.css

1068 ms

shoujipd.js

2076 ms

jquery-1.9.1.min.js

2102 ms

ajaxcity.jquery.js

2445 ms

Our browser made a total of 91 requests to load all elements on the main page. We found that 62% of them (56 requests) were addressed to the original Htbenet.net, 7% (6 requests) were made to Pub.idqqimg.com and 4% (4 requests) were made to Lxbjs.baidu.com. The less responsive or slowest element that took the longest time to load (16.9 sec) belongs to the original domain Htbenet.net.

Content Size

1.0 MB

After Optimization

457.0 kB

In fact, the total size of Htbenet.net main page is 1.0 MB. 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. Images take 643.5 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 72.0 kB

Original 91.1 kB
After minification 80.4 kB
After compression 19.0 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 10.7 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 72.0 kB or 79% of the original size.

Image Optimization

-52%

Potential reduce by 332.6 kB

Original 643.5 kB
After minification 310.8 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. Obviously, Htbenet needs image optimization as it can save up to 332.6 kB or 52% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-50%

Potential reduce by 122.8 kB

Original 245.1 kB
After minification 240.8 kB
After compression 122.4 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 122.8 kB or 50% of the original size.

CSS Optimization

-82%

Potential reduce by 21.5 kB

Original 26.4 kB
After minification 22.5 kB
After compression 4.8 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. Htbenet.net needs all CSS files to be minified and compressed as it can save up to 21.5 kB or 82% of the original size.

Requests Now

After Optimization

The browser has sent 87 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Htbenet. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 19 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 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

Form elements do not have associated labels

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

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>).

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

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

High

robots.txt is not valid

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 Htbenet.net 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 Htbenet.net 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

htbenet.net

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

北大青鸟顺义校区_北大青鸟华腾校区_北京北大青鸟马甸华腾培训校区_北大青鸟职业技术学院简介_北大青鸟顺义电脑培训_北大青鸟计算机网络工程师,电脑培训,顺义电脑,顺义计算机,马甸计算机

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

htbenet.net

20120906indexnew.css

shoujipd.js

jquery-1.9.1.min.js

ajaxcity.jquery.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

htbenet.net

20120906indexnew.css

shoujipd.js

jquery-1.9.1.min.js

ajaxcity.jquery.js

xld.js

stat.php

10045555.js

wpa.php

wpa.php

lylb_1.png

vdimgck.php

x_index01.gif

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x_index_rj01.gif

x_index05.gif

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gif.gif

x_index_34.gif

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x_index_37.gif

hj_gg.gif

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