Tools & Wizards About Us
cta613.org screenshot

Report Summary

  • 80

    Performance

    Renders faster than
    86% of other websites

  • 36

    Accessibility

    Visual factors better than
    that of 18% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 82

    SEO

    Google-friendlier than
    44% of websites

cta613.org

中华支教与助学信息中心(CTA)

Page Load Speed

46.9 sec in total

First Response

2.5 sec

Resources Loaded

43.7 sec

Page Rendered

685 ms

cta613.org screenshot

About Website

Click here to check amazing CTA 613 content for China. Otherwise, check out these important facts you probably never knew about cta613.org

中华支教与助学信息中心(China Teaching-Assistance)简称CTA；专业支教与助学信息平台，以改善教育不均衡现状为使命。主要负责支教与助学信息的发布与统筹工作；NBCO(无利益接触组织)的先驱、倡导者、实践者；秉承NBCO的宗旨，提倡“按需而捐、按需而助”的救助理念。

Visit cta613.org

Key Findings

We analyzed Cta613.org page load time and found that the first response time was 2.5 sec and then it took 44.4 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. Unfortunately, there were 5 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

cta613.org performance score

80

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.7 s

93/100

10%

LCP (Largest Contentful Paint)

Value3.4 s

66/100

25%

SI (Speed Index)

Value4.2 s

78/100

10%

TBT (Total Blocking Time)

Value20 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.271

45/100

15%

TTI (Time to Interactive)

Value3.0 s

96/100

10%

Network Requests Diagram

www.cta613.org

2501 ms

style_2_common.css

19743 ms

style_2_forum_index.css

2986 ms

common.js

3089 ms

forum.js

1619 ms

Our browser made a total of 31 requests to load all elements on the main page. We found that 81% of them (25 requests) were addressed to the original Cta613.org, 6% (2 requests) were made to Hm.baidu.com and 3% (1 request) were made to Discuz.gtimg.cn. The less responsive or slowest element that took the longest time to load (20 sec) belongs to the original domain Cta613.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 175.4 kB (45%)

Content Size

393.8 kB

After Optimization

218.5 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Cta613.org main page is 393.8 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. 20% of websites need less resources to load. Images take 176.0 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 55.9 kB

  • Original 69.0 kB
  • After minification 66.2 kB
  • After compression 13.1 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 55.9 kB or 81% of the original size.

Image Optimization

-4%

Potential reduce by 7.9 kB

  • Original 176.0 kB
  • After minification 168.1 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. CTA 613 images are well optimized though.

JavaScript Optimization

-71%

Potential reduce by 44.0 kB

  • Original 62.1 kB
  • After minification 52.5 kB
  • After compression 18.0 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 44.0 kB or 71% of the original size.

CSS Optimization

-78%

Potential reduce by 67.5 kB

  • Original 86.8 kB
  • After minification 84.2 kB
  • After compression 19.2 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. Cta613.org needs all CSS files to be minified and compressed as it can save up to 67.5 kB or 78% of the original size.

Requests Breakdown

Number of requests can be reduced by 6 (24%)

Requests Now

25

After Optimization

19

  • Images
  • JavaScript
  • CSS

The browser has sent 25 CSS, Javascripts, AJAX and image requests in order to completely render the main page of CTA 613. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

www.cta613.org

www.cta613.org

2501 ms

style_2_common.css

style_2_common.css

19743 ms

style_2_forum_index.css

style_2_forum_index.css

2986 ms

common.js

common.js

3089 ms

forum.js

forum.js

1619 ms

wmff_zk.css

wmff_zk.css

3803 ms

css.css

css.css

7061 ms

jquery-1.7.1.min.js

jquery-1.7.1.min.js

15586 ms

jquery.nbspSlider.1.1.js

jquery.nbspSlider.1.1.js

4382 ms

discuz_tips.js

discuz_tips.js

1511 ms

TB11M4hLFXXXXXTXVXXXXXXXXXX-190-64.png

TB11M4hLFXXXXXTXVXXXXXXXXXX-190-64.png

455 ms

logo.png

logo.png

154 ms

logo.jpg

logo.jpg

17236 ms

head_logo.png

head_logo.png

1700 ms

zhijiaoxinxi.jpg

zhijiaoxinxi.jpg

19990 ms

ctaxuanyan.jpg

ctaxuanyan.jpg

19991 ms

souye.jpg

souye.jpg

7731 ms

love.jpg

love.jpg

9362 ms

d46f5d174e8904aa215a7dd798772bab.jpg

d46f5d174e8904aa215a7dd798772bab.jpg

1361 ms

631fce9d8bb791a01d28bcbf02c64e1b.jpg

631fce9d8bb791a01d28bcbf02c64e1b.jpg

1794 ms

566fde893f66327ff714f4be292a78f0.jpg

566fde893f66327ff714f4be292a78f0.jpg

6740 ms

b2ebd03bb3a546628c7d64ba78623554.jpg

b2ebd03bb3a546628c7d64ba78623554.jpg

5877 ms

62c529444ad89c817260744513d3291b.jpg

62c529444ad89c817260744513d3291b.jpg

11716 ms

6bcbd9604d898ed715b49564bccec987.jpg

6bcbd9604d898ed715b49564bccec987.jpg

19987 ms

92fabbb72574cb7c253c99feb2e46459.jpg

92fabbb72574cb7c253c99feb2e46459.jpg

19986 ms

wx_jqr.gif

wx_jqr.gif

9848 ms

common_extra.js

common_extra.js

17086 ms

h.js

h.js

746 ms

hm.gif

hm.gif

419 ms

sprite.png

sprite.png

11185 ms

circle.png

circle.png

11619 ms

Accessibility Review

cta613.org accessibility score

36

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

Links do not have a discernible name

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

cta613.org best practices score

67

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

SEO Factors

cta613.org SEO score

82

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

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

High

Tap targets are not sized appropriately

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 Cta613.org 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 Cta613.org 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

cta613.org

Open Graph description is not detected on the main page of CTA 613. 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: