Tools & Wizards About Us
78b2b.com screenshot

Report Summary

  • 52

    Performance

    Renders faster than
    70% of other websites

  • 89

    Accessibility

    Visual factors better than
    that of 72% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 92

    SEO

    Google-friendlier than
    75% of websites

78b2b.com

综合教育网_教育信息网

Page Load Speed

33.1 sec in total

First Response

1.9 sec

Resources Loaded

30.7 sec

Page Rendered

504 ms

78b2b.com screenshot

About Website

Visit 78b2b.com now to see the best up-to-date 78 B 2 content for China and also check out these interesting facts you probably never knew about 78b2b.com

综合教育网(www.78b2b.com)是中国最大的综合教育信息门户网，主要发布幼儿园、小升初、高考、中考、考研、自主招生、学习资料、写作辅导、教育政策、成人高考、教师工作计划等各项学习网站，为各行各业拼搏的人提供你最关心的信息资源。

Visit 78b2b.com

Key Findings

We analyzed 78b2b.com page load time and found that the first response time was 1.9 sec and then it took 31.2 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster.

Performance Metrics

78b2b.com performance score

52

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.2 s

20/100

10%

LCP (Largest Contentful Paint)

Value4.2 s

45/100

25%

SI (Speed Index)

Value4.2 s

78/100

10%

TBT (Total Blocking Time)

Value730 ms

41/100

30%

CLS (Cumulative Layout Shift)

Value0.102

89/100

15%

TTI (Time to Interactive)

Value6.7 s

56/100

10%

Network Requests Diagram

78b2b.com

1906 ms

www.78b2b.com

5908 ms

kefu.css

1159 ms

style.css

1229 ms

istyle_v2.css

7959 ms

Our browser made a total of 72 requests to load all elements on the main page. We found that 76% of them (55 requests) were addressed to the original 78b2b.com, 6% (4 requests) were made to Hm.baidu.com and 4% (3 requests) were made to Pos.baidu.com. The less responsive or slowest element that took the longest time to load (13.6 sec) belongs to the original domain 78b2b.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 467.8 kB (61%)

Content Size

764.2 kB

After Optimization

296.4 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of 78b2b.com main page is 764.2 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. 25% of websites need less resources to load. Javascripts take 368.3 kB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 128.9 kB

  • Original 146.5 kB
  • After minification 94.3 kB
  • After compression 17.6 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 52.1 kB, which is 36% 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 128.9 kB or 88% of the original size.

Image Optimization

-13%

Potential reduce by 21.9 kB

  • Original 164.7 kB
  • After minification 142.8 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, 78 B 2 needs image optimization as it can save up to 21.9 kB or 13% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-68%

Potential reduce by 248.7 kB

  • Original 368.3 kB
  • After minification 361.0 kB
  • After compression 119.6 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 248.7 kB or 68% of the original size.

CSS Optimization

-81%

Potential reduce by 68.2 kB

  • Original 84.7 kB
  • After minification 70.8 kB
  • After compression 16.5 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. 78b2b.com needs all CSS files to be minified and compressed as it can save up to 68.2 kB or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 34 (51%)

Requests Now

67

After Optimization

33

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 67 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 78 B 2. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 24 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

78b2b.com

78b2b.com

1906 ms

www.78b2b.com

www.78b2b.com

5908 ms

kefu.css

kefu.css

1159 ms

style.css

style.css

1229 ms

istyle_v2.css

istyle_v2.css

7959 ms

index.css

index.css

2030 ms

catalog.css

catalog.css

1305 ms

lang.js

lang.js

1776 ms

config.js

config.js

1881 ms

common.js

common.js

2646 ms

page.js

page.js

4575 ms

jquery.js

jquery.js

3958 ms

jquery-1.3.min.js

jquery-1.3.min.js

7675 ms

index_tag.js

index_tag.js

4890 ms

index1.js

index1.js

3915 ms

BizAdvert.js

BizAdvert.js

4438 ms

merge-110815.js

merge-110815.js

11307 ms

merge-110924.js

merge-110924.js

7728 ms

slide.js

slide.js

5036 ms

IndexScoll.js

IndexScoll.js

2499 ms

index.js

index.js

4161 ms

c.js

c.js

1197 ms

17182497.js

17182497.js

379 ms

hm.js

hm.js

1453 ms

logo.gif

logo.gif

490 ms

miji.gif

miji.gif

4871 ms

16-06-58-59-19234.jpg

16-06-58-59-19234.jpg

4349 ms

18-39-11-56-29731.jpg

18-39-11-56-29731.jpg

2692 ms

nopic1.gif

nopic1.gif

536 ms

13-53-07-48-1.jpg

13-53-07-48-1.jpg

2163 ms

12-39-57-57-46733.gif

12-39-57-57-46733.gif

6579 ms

11-03-16-42-1.gif

11-03-16-42-1.gif

4124 ms

13-37-22-96-1.gif

13-37-22-96-1.gif

6715 ms

13-37-46-20-1.gif

13-37-46-20-1.gif

5329 ms

topic_01.jpg

topic_01.jpg

13613 ms

topic_02.jpg

topic_02.jpg

5812 ms

topic_03.jpg

topic_03.jpg

5877 ms

topic_04.jpg

topic_04.jpg

6433 ms

topic_05.jpg

topic_05.jpg

8005 ms

topic_06.jpg

topic_06.jpg

13534 ms

17-40-23-13-1.jpg

17-40-23-13-1.jpg

10539 ms

16-25-04-84-1.jpg

16-25-04-84-1.jpg

9196 ms

certs-big-bg.png

certs-big-bg.png

7831 ms

head.png

head.png

8884 ms

icon_ser.gif

icon_ser.gif

8435 ms

search-big-bg.png

search-big-bg.png

8991 ms

shop_star.gif

shop_star.gif

9350 ms

hm.gif

hm.gif

389 ms

default-big-bg.png

default-big-bg.png

6718 ms

li_dot.gif

li_dot.gif

7386 ms

ibackground-big-bg.png

ibackground-big-bg.png

6578 ms

v1.0.gif

v1.0.gif

7145 ms

sprite.gif

sprite.gif

12552 ms

nopic1.gif

nopic1.gif

7613 ms

screen-1st-icon-20110308.png

screen-1st-icon-20110308.png

7703 ms

category_headbg.gif

category_headbg.gif

7796 ms

category_headbg2.gif

category_headbg2.gif

8149 ms

sjw_head1b.png

sjw_head1b.png

10825 ms

vcbm

vcbm

941 ms

hm.js

hm.js

1859 ms

task.js.php

task.js.php

9190 ms

vcbm

vcbm

516 ms

sync.htm

sync.htm

535 ms

ctm3.js

ctm3.js

489 ms

hm.gif

hm.gif

400 ms

0f0002fcSRqrp5EFz1__Q6.jpg

0f0002fcSRqrp5EFz1__Q6.jpg

1068 ms

sync_pos.htm

sync_pos.htm

1821 ms

sync2r.htm

sync2r.htm

1164 ms

tabs-min.js

tabs-min.js

2930 ms

handleJsonp.htm

handleJsonp.htm

2563 ms

tabs-lazyload-min.js

tabs-lazyload-min.js

842 ms

tabs-effect-min.js

tabs-effect-min.js

2115 ms

Accessibility Review

78b2b.com accessibility score

89

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

Links do not have a discernible name

Best Practices

78b2b.com best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

78b2b.com SEO score

92

Search Engine Optimization Advices

Mobile Friendly

Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).

Impact

Issue

High

Document uses legible font sizes

Language and Encoding

  • Language Detected

    ZH

  • Language Claimed

    N/A

  • Encoding

    GBK

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise 78b2b.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 78b2b.com main page’s claimed encoding is gbk. 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

78b2b.com

Open Graph description is not detected on the main page of 78 B 2. 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: