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About Website

Welcome to sudoku.oubk.com homepage info - get ready to check Sudoku Oubk best content for China right away, or after learning these important things about sudoku.oubk.com

OUBK数独集新手教学、个人练习、高手交流、多人PK于一体的数独网站。数独排行榜、视频录像、数据统计等功能助你迅速提升数独水平。题型不仅有难度各异的标准九宫格数独，还有很多常见比赛题型：六宫儿童数独、对角线数独、锯齿（不规则）数独，杀手数独、数比数独、窗口数独、连续数独、无马数独等。

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name

value

score

weighting

FCP (First Contentful Paint)

Value0.7 s

100/100

10%

LCP (Largest Contentful Paint)

Value0.7 s

100/100

25%

SI (Speed Index)

Value1.2 s

100/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value0.7 s

100/100

10%

sudoku.oubk.com

1174 ms

oubk.com

821 ms

grid1k.min.css

226 ms

oubk.css

453 ms

jquery-1.9.1.min.js

683 ms

Our browser made a total of 104 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Sudoku.oubk.com, 25% (26 requests) were made to Oubk.com and 8% (8 requests) were made to Img.t.sinajs.cn. The less responsive or slowest element that took the longest time to load (8.2 sec) relates to the external source Widget.weibo.com.

Content Size

1.4 MB

After Optimization

898.4 kB

In fact, the total size of Sudoku.oubk.com main page is 1.4 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 50% of websites need less resources to load. Javascripts take 657.3 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 26.3 kB

Original 33.8 kB
After minification 31.9 kB
After compression 7.5 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 26.3 kB or 78% of the original size.

Image Optimization

-3%

Potential reduce by 21.1 kB

Original 611.8 kB
After minification 590.7 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. Sudoku Oubk images are well optimized though.

JavaScript Optimization

-57%

Potential reduce by 375.0 kB

Original 657.3 kB
After minification 635.0 kB
After compression 282.3 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 375.0 kB or 57% of the original size.

CSS Optimization

-83%

Potential reduce by 85.3 kB

Original 103.2 kB
After minification 91.8 kB
After compression 17.9 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. Sudoku.oubk.com needs all CSS files to be minified and compressed as it can save up to 85.3 kB or 83% of the original size.

Requests Now

100

After Optimization

The browser has sent 100 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sudoku Oubk. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

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

High

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

Search Engine Optimization Advices

Language and Encoding

Language Detected

ZH
Language Claimed

ZH
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sudoku.oubk.com can be misinterpreted by Google and other search engines. Our service has detected that Chinese is used on the page, and it matches the claimed language. Our system also found out that Sudoku.oubk.com 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

sudoku.oubk.com

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

Report Summary

Performance

Accessibility

Best Practices

SEO

登录 -- 欧泊颗在线数独游戏

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)