Report Summary

  • 60

    Performance

    Renders faster than
    75% of other websites

  • 39

    Accessibility

    Visual factors better than
    that of 28% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    47% of websites

  • 58

    SEO

    Google-friendlier than
    30% of websites

tiaozhanbei.net

挑战杯 全国大学生课外学术科技作品竞赛和创业计划大赛 官方网站

Page Load Speed

1.6 sec in total

First Response

717 ms

Resources Loaded

730 ms

Page Rendered

114 ms

tiaozhanbei.net screenshot

About Website

Visit tiaozhanbei.net now to see the best up-to-date Tiaozhanbei content for China and also check out these interesting facts you probably never knew about tiaozhanbei.net

“挑战杯”官方网站是主办单位开办的唯一官网。挑战杯竞赛由共青团中央、中国科协、教育部、全国学联和承办高校所在地人民政府联合主办,至今已经有20多年历史,是国内规模最大的大学生科技竞赛活动,被誉为当代大学生科技创新的“奥林匹克”盛会。

Visit tiaozhanbei.net

Key Findings

We analyzed Tiaozhanbei.net page load time and found that the first response time was 717 ms and then it took 844 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 10% of websites can load faster.

Performance Metrics

tiaozhanbei.net performance score

60

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.0 s

24/100

10%

LCP (Largest Contentful Paint)

Value5.6 s

18/100

25%

SI (Speed Index)

Value7.7 s

24/100

10%

TBT (Total Blocking Time)

Value30 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.092

91/100

15%

TTI (Time to Interactive)

Value5.1 s

75/100

10%

Network Requests Diagram

tiaozhanbei.net

717 ms

Our browser made a total of 1 request to load all elements on the main page. We found that all of those requests were addressed to Tiaozhanbei.net and no external sources were called. The less responsive or slowest element that took the longest time to load (717 ms) belongs to the original domain Tiaozhanbei.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 245 B (40%)

Content Size

609 B

After Optimization

364 B

In fact, the total size of Tiaozhanbei.net main page is 609 B. This result falls within the top 5000 of lightweight and thus fast loading web pages. Only a small number of websites need less resources to load. HTML takes 609 B which makes up the majority of the site volume.

HTML Optimization

-40%

Potential reduce by 245 B

  • Original 609 B
  • After minification 605 B
  • After compression 364 B

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 245 B or 40% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

0

After Optimization

0

Besides the initial HTML request, no CSS, Javascripts, AJAX or image files were requested in the course of web page rendering.

Accessibility Review

tiaozhanbei.net accessibility score

39

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.

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

<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

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

Best Practices

tiaozhanbei.net best practices score

75

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

tiaozhanbei.net SEO score

58

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

Language and Encoding

  • Language Detected

    ZH

  • Language Claimed

    N/A

  • Encoding

    N/A

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Tiaozhanbei.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 Tiaozhanbei.net main page’s claimed encoding is . 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

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