Report Summary

  • 23

    Performance

    Renders faster than
    42% of other websites

  • 72

    Accessibility

    Visual factors better than
    that of 38% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 54

    SEO

    Google-friendlier than
    19% of websites

97nb.net

宝博体育·宝博体育官方平台 APP(中国)官方网站

Page Load Speed

25.3 sec in total

First Response

2 sec

Resources Loaded

22.9 sec

Page Rendered

453 ms

97nb.net screenshot

About Website

Visit 97nb.net now to see the best up-to-date 97 Nb content and also check out these interesting facts you probably never knew about 97nb.net

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Visit 97nb.net

Key Findings

We analyzed 97nb.net page load time and found that the first response time was 2 sec and then it took 23.3 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

97nb.net performance score

23

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.4 s

70/100

10%

LCP (Largest Contentful Paint)

Value11.1 s

0/100

25%

SI (Speed Index)

Value11.0 s

6/100

10%

TBT (Total Blocking Time)

Value1,610 ms

12/100

30%

CLS (Cumulative Layout Shift)

Value0.13

81/100

15%

TTI (Time to Interactive)

Value26.2 s

0/100

10%

Network Requests Diagram

97nb.net

1991 ms

tkapi.js

681 ms

style_13_common.css

717 ms

style_13_forum_index.css

389 ms

common.js

739 ms

Our browser made a total of 77 requests to load all elements on the main page. We found that 79% of them (61 requests) were addressed to the original 97nb.net, 6% (5 requests) were made to Bdimg.share.baidu.com and 5% (4 requests) were made to A.alimama.cn. The less responsive or slowest element that took the longest time to load (15.9 sec) relates to the external source Tajs.qq.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 288.4 kB (38%)

Content Size

751.9 kB

After Optimization

463.5 kB

In fact, the total size of 97nb.net main page is 751.9 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 439.6 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 42.3 kB

  • Original 56.2 kB
  • After minification 55.3 kB
  • After compression 13.9 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 42.3 kB or 75% of the original size.

Image Optimization

-15%

Potential reduce by 64.1 kB

  • Original 439.6 kB
  • After minification 375.5 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, 97 Nb needs image optimization as it can save up to 64.1 kB or 15% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-69%

Potential reduce by 118.4 kB

  • Original 172.0 kB
  • After minification 161.0 kB
  • After compression 53.6 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 118.4 kB or 69% of the original size.

CSS Optimization

-76%

Potential reduce by 63.6 kB

  • Original 84.2 kB
  • After minification 81.6 kB
  • After compression 20.5 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. 97nb.net needs all CSS files to be minified and compressed as it can save up to 63.6 kB or 76% of the original size.

Requests Breakdown

Number of requests can be reduced by 31 (41%)

Requests Now

76

After Optimization

45

The browser has sent 76 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 97 Nb. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 18 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

97nb.net accessibility score

72

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

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

97nb.net best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

97nb.net SEO score

54

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

robots.txt is not valid

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

    GBK

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise 97nb.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 97nb.net 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

Open Graph description is not detected on the main page of 97 Nb. 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: