Tools & Wizards About Us
789zx.com screenshot

Report Summary

  • 97

    Performance

    Renders faster than
    95% of other websites

  • 46

    Accessibility

    Visual factors better than
    that of 19% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 54

    SEO

    Google-friendlier than
    19% of websites

789zx.com

初中在线 - 优秀的初中教育教学门户网站 - 初中在线 - 优秀的初中教育教学门户网站

Page Load Speed

49.2 sec in total

First Response

475 ms

Resources Loaded

48.4 sec

Page Rendered

319 ms

789zx.com screenshot

About Website

Visit 789zx.com now to see the best up-to-date 789 Zx content and also check out these interesting facts you probably never knew about 789zx.com

初中在线，成立于2008年是一家专业为初中教师、学生、家长提供教育教学资源服务的网站，经过几年的发展网站拥有丰富的试题、课件、教案等教学资源，所有的资源均可免费下载，是一家优秀的教育教学资源网站。

Visit 789zx.com

Key Findings

We analyzed 789zx.com page load time and found that the first response time was 475 ms and then it took 48.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster.

Performance Metrics

789zx.com performance score

97

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.7 s

93/100

10%

LCP (Largest Contentful Paint)

Value2.2 s

94/100

25%

SI (Speed Index)

Value1.8 s

100/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.08

94/100

15%

TTI (Time to Interactive)

Value1.7 s

100/100

10%

Network Requests Diagram

789zx.com

475 ms

www.789zx.com

2422 ms

style.css

984 ms

prototype.js

1416 ms

scriptaculous1.js

480 ms

Our browser made a total of 61 requests to load all elements on the main page. We found that 70% of them (43 requests) were addressed to the original 789zx.com, 10% (6 requests) were made to K.ctsywy.com and 5% (3 requests) were made to Gg.btnk024.com. The less responsive or slowest element that took the longest time to load (15.6 sec) relates to the external source Gg.btnk024.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 200.7 kB (54%)

Content Size

372.7 kB

After Optimization

172.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of 789zx.com main page is 372.7 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. Images take 135.5 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 78.7 kB

  • Original 95.2 kB
  • After minification 95.0 kB
  • After compression 16.4 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 78.7 kB or 83% of the original size.

Image Optimization

-5%

Potential reduce by 7.1 kB

  • Original 135.5 kB
  • After minification 128.4 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. 789 Zx images are well optimized though.

JavaScript Optimization

-80%

Potential reduce by 72.0 kB

  • Original 90.4 kB
  • After minification 66.4 kB
  • After compression 18.3 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 72.0 kB or 80% of the original size.

CSS Optimization

-83%

Potential reduce by 42.9 kB

  • Original 51.7 kB
  • After minification 41.3 kB
  • After compression 8.8 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. 789zx.com needs all CSS files to be minified and compressed as it can save up to 42.9 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 32 (56%)

Requests Now

57

After Optimization

25

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 57 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 789 Zx. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

789zx.com

789zx.com

475 ms

www.789zx.com

www.789zx.com

2422 ms

style.css

style.css

984 ms

prototype.js

prototype.js

1416 ms

scriptaculous1.js

scriptaculous1.js

480 ms

style39.css

style39.css

1100 ms

uaredirect.js

uaredirect.js

1136 ms

newguest.asp

newguest.asp

421 ms

tongji1.js

tongji1.js

459 ms

789zx.js

789zx.js

15643 ms

index.php

index.php

3537 ms

cpv.js

cpv.js

319 ms

rich77.js

rich77.js

9255 ms

v.php

v.php

1214 ms

zd.js

zd.js

308 ms

close.png

close.png

915 ms

richclose.gif

richclose.gif

920 ms

chongbo.png

chongbo.png

1830 ms

dot.gif

dot.gif

1379 ms

24403.html

24403.html

2660 ms

bg_b.gif

bg_b.gif

424 ms

log.jpg

log.jpg

563 ms

nav_bg.png

nav_bg.png

397 ms

renjiaodaohang.jpg

renjiaodaohang.jpg

954 ms

searchICO1.gif

searchICO1.gif

583 ms

c.gif

c.gif

395 ms

msfp_015.gif

msfp_015.gif

785 ms

Article_ontop5.gif

Article_ontop5.gif

782 ms

Article_common5.gif

Article_common5.gif

796 ms

8699.gif

8699.gif

1266 ms

nopic.gif

nopic.gif

1295 ms

Article_common5.gif

Article_common5.gif

1168 ms

Article_common5.gif

Article_common5.gif

1211 ms

Soft_common4.gif

Soft_common4.gif

1189 ms

8701.gif

8701.gif

1692 ms

2011061207522480.jpg

2011061207522480.jpg

2307 ms

Article_common5.gif

Article_common5.gif

1585 ms

8000.gif

8000.gif

1916 ms

[www.789zx.com]2012060914041796.jpg

[www.789zx.com]2012060914041796.jpg

2676 ms

Article_common5.gif

Article_common5.gif

1701 ms

8001.gif

8001.gif

2315 ms

2008101108011181.jpg

2008101108011181.jpg

2237 ms

Article_common5.gif

Article_common5.gif

2092 ms

8002.gif

8002.gif

2643 ms

Article_common5.gif

Article_common5.gif

2498 ms

8003.gif

8003.gif

2976 ms

2011121620085471.jpg

2011121620085471.jpg

3400 ms

Article_common5.gif

Article_common5.gif

2702 ms

Article_common5.gif

Article_common5.gif

2900 ms

enbg01.gif

enbg01.gif

2986 ms

enbg02.gif

enbg02.gif

3041 ms

ex01.gif

ex01.gif

3054 ms

exbg.gif

exbg.gif

3241 ms

ex02.gif

ex02.gif

3330 ms

common2.gif

common2.gif

3342 ms

stat.php

stat.php

841 ms

24403.html

24403.html

2178 ms

stat.htm

stat.htm

285 ms

core.php

core.php

1655 ms

9.gif

9.gif

2717 ms

app.gif

app.gif

9138 ms

Accessibility Review

789zx.com accessibility score

46

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.

Internationalization and localization

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

Impact

Issue

High

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

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

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

<object> elements do not have alternate text

Tables and lists

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

Impact

Issue

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.

Best Practices

789zx.com best practices score

58

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

789zx.com SEO score

54

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

Content Best Practices

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

Impact

Issue

High

Image elements do not have [alt] attributes

High

Document uses plugins

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 789zx.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 789zx.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

789zx.com

Open Graph description is not detected on the main page of 789 Zx. 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: