Tools & Wizards About Us
52zsb.com screenshot

Report Summary

  • 46

    Performance

    Renders faster than
    65% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 62% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 92

    SEO

    Google-friendlier than
    75% of websites

52zsb.com

52zsb.com

Page Load Speed

2.6 sec in total

First Response

470 ms

Resources Loaded

1.9 sec

Page Rendered

203 ms

52zsb.com screenshot

About Website

Visit 52zsb.com now to see the best up-to-date 52 Zsb content and also check out these interesting facts you probably never knew about 52zsb.com

52zsb游戏中心结合了电玩游戏和竞技棋牌游戏，全新打造网络电玩城。52zsb游戏大厅目前有街机千炮捕鱼、金蟾捕鱼、捕鱼达人3、疯狂推币机等电玩类游戏，更有斗地主赢话费比赛、牛牛等竞技棋牌游戏。真正的万人在线的捕鱼游戏棋牌平台!游戏官方网址：www.52zsb.com。7*24小时客服在线！"

Visit 52zsb.com

Key Findings

We analyzed 52zsb.com page load time and found that the first response time was 470 ms and then it took 2.1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

52zsb.com performance score

46

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.6 s

14/100

10%

LCP (Largest Contentful Paint)

Value5.1 s

25/100

25%

SI (Speed Index)

Value5.7 s

51/100

10%

TBT (Total Blocking Time)

Value440 ms

64/100

30%

CLS (Cumulative Layout Shift)

Value0.267

46/100

15%

TTI (Time to Interactive)

Value5.0 s

76/100

10%

Network Requests Diagram

52zsb.com

470 ms

www.52zsb.com

485 ms

style.css

75 ms

%E6%8D%95%E9%B1%BC%E8%BE%BE%E4%BA%BA.png

397 ms

%E5%A4%A7%E9%97%B9%E5%A4%A9%E5%AE%AB.png

405 ms

Our browser made a total of 24 requests to load all elements on the main page. We found that all of those requests were addressed to 52zsb.com and no external sources were called. The less responsive or slowest element that took the longest time to load (902 ms) belongs to the original domain 52zsb.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 300.3 kB (16%)

Content Size

1.9 MB

After Optimization

1.6 MB

  • HTML
  • Images
  • CSS

In fact, the total size of 52zsb.com main page is 1.9 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. 35% of websites need less resources to load. Images take 1.9 MB which makes up the majority of the site volume.

HTML Optimization

-62%

Potential reduce by 2.8 kB

  • Original 4.6 kB
  • After minification 4.5 kB
  • After compression 1.8 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 2.8 kB or 62% of the original size.

Image Optimization

-16%

Potential reduce by 295.2 kB

  • Original 1.9 MB
  • After minification 1.6 MB

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, 52 Zsb needs image optimization as it can save up to 295.2 kB or 16% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

CSS Optimization

-69%

Potential reduce by 2.3 kB

  • Original 3.3 kB
  • After minification 2.9 kB
  • After compression 1.0 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. 52zsb.com needs all CSS files to be minified and compressed as it can save up to 2.3 kB or 69% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

22

After Optimization

22

  • Images
  • CSS

The browser has sent 22 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 52 Zsb. According to our analytics all requests are already optimized.

Network Requests Diagram

52zsb.com

52zsb.com

470 ms

www.52zsb.com

www.52zsb.com

485 ms

style.css

style.css

75 ms

%E6%8D%95%E9%B1%BC%E8%BE%BE%E4%BA%BA.png

%E6%8D%95%E9%B1%BC%E8%BE%BE%E4%BA%BA.png

397 ms

%E5%A4%A7%E9%97%B9%E5%A4%A9%E5%AE%AB.png

%E5%A4%A7%E9%97%B9%E5%A4%A9%E5%AE%AB.png

405 ms

%E5%BE%B7%E5%B7%9E%E6%89%91%E5%85%8B.png

%E5%BE%B7%E5%B7%9E%E6%89%91%E5%85%8B.png

416 ms

%E6%96%97%E5%9C%B0%E4%B8%BB.png

%E6%96%97%E5%9C%B0%E4%B8%BB.png

415 ms

%E5%AF%B9%E6%88%98%E7%89%9B%E7%89%9B.png

%E5%AF%B9%E6%88%98%E7%89%9B%E7%89%9B.png

341 ms

%E4%BA%8C%E4%BA%BA%E6%A2%AD%E5%93%88.png

%E4%BA%8C%E4%BA%BA%E6%A2%AD%E5%93%88.png

433 ms

%E6%9D%8E%E9%80%B5%E5%8A%88%E9%B1%BC.png

%E6%9D%8E%E9%80%B5%E5%8A%88%E9%B1%BC.png

473 ms

%E9%80%9A%E6%AF%94%E7%89%9B%E7%89%9B.png

%E9%80%9A%E6%AF%94%E7%89%9B%E7%89%9B.png

529 ms

%E6%B8%A9%E5%B7%9E%E9%BA%BB%E5%B0%86.png

%E6%B8%A9%E5%B7%9E%E9%BA%BB%E5%B0%86.png

620 ms

%E6%89%8E%E9%87%91%E8%8A%B1.png

%E6%89%8E%E9%87%91%E8%8A%B1.png

553 ms

t2.png

t2.png

425 ms

t1.png

t1.png

435 ms

t3.png

t3.png

470 ms

m_index.png

m_index.png

499 ms

m_msg.png

m_msg.png

508 ms

m_down.png

m_down.png

531 ms

m_pay.png

m_pay.png

537 ms

m_help.png

m_help.png

551 ms

banner.png

banner.png

902 ms

down.png

down.png

586 ms

big_title.png

big_title.png

596 ms

Accessibility Review

52zsb.com accessibility score

86

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

Best Practices

52zsb.com best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

SEO Factors

52zsb.com SEO score

92

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

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

Language and Encoding

  • Language Detected

    N/A

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise 52zsb.com can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else) and no language is claimed in <html> or <meta> tags either. Our system also found out that 52zsb.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

52zsb.com

Open Graph description is not detected on the main page of 52 Zsb. 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: