Tools & Wizards About Us
57tk.com screenshot

Report Summary

  • 67

    Performance

    Renders faster than
    80% of other websites

  • 57

    Accessibility

    Visual factors better than
    that of 24% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 67

    SEO

    Google-friendlier than
    25% of websites

57tk.com

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Page Load Speed

26.8 sec in total

First Response

3.6 sec

Resources Loaded

21.6 sec

Page Rendered

1.6 sec

57tk.com screenshot

About Website

Welcome to 57tk.com homepage info - get ready to check 57 Tk best content right away, or after learning these important things about 57tk.com

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Visit 57tk.com

Key Findings

We analyzed 57tk.com page load time and found that the first response time was 3.6 sec and then it took 23.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster. Unfortunately, there was 1 request timeout, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

57tk.com performance score

67

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.3 s

76/100

10%

LCP (Largest Contentful Paint)

Value2.3 s

93/100

25%

SI (Speed Index)

Value3.0 s

94/100

10%

TBT (Total Blocking Time)

Value1,300 ms

18/100

30%

CLS (Cumulative Layout Shift)

Value0.01

100/100

15%

TTI (Time to Interactive)

Value5.9 s

66/100

10%

Network Requests Diagram

57tk.com

3607 ms

fb.js

537 ms

js.gif

20426 ms

index2.htm

9852 ms

js188999.gif

447 ms

Our browser made a total of 25 requests to load all elements on the main page. We found that 28% of them (7 requests) were addressed to the original 57tk.com, 36% (9 requests) were made to 8123kj.com and 16% (4 requests) were made to 888.66wo.com. The less responsive or slowest element that took the longest time to load (20.4 sec) relates to the external source 168.66wo.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 207.4 kB (71%)

Content Size

291.3 kB

After Optimization

83.9 kB

  • HTML
  • JavaScript

In fact, the total size of 57tk.com main page is 291.3 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only 5% of websites need less resources to load. Javascripts take 200.3 kB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 78.0 kB

  • Original 91.0 kB
  • After minification 57.6 kB
  • After compression 13.0 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. This page needs HTML code to be minified as it can gain 33.4 kB, which is 37% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 78.0 kB or 86% of the original size.

JavaScript Optimization

-65%

Potential reduce by 129.4 kB

  • Original 200.3 kB
  • After minification 198.5 kB
  • After compression 70.9 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 129.4 kB or 65% of the original size.

Requests Breakdown

Number of requests can be reduced by 5 (24%)

Requests Now

21

After Optimization

16

  • AJAX
  • Images
  • JavaScript

The browser has sent 21 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 57 Tk. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

57tk.com

57tk.com

3607 ms

fb.js

fb.js

537 ms

js.gif

js.gif

20426 ms

index2.htm

index2.htm

9852 ms

js188999.gif

js188999.gif

447 ms

678.gif

678.gif

279 ms

bet365.gif

bet365.gif

665 ms

hg2088.gif

hg2088.gif

794 ms

06111.gif

06111.gif

3064 ms

bgColor=

bgColor=

95 ms

click.aspx

click.aspx

1317 ms

styles.css

styles.css

3380 ms

H.html

H.html

3039 ms

ss.gif

ss.gif

654 ms

zhong.gif

zhong.gif

613 ms

index2.htm

index2.htm

8147 ms

337718.gif

337718.gif

3433 ms

jquery.min.js

jquery.min.js

3346 ms

jquery-1.9.1.min.js

jquery-1.9.1.min.js

3324 ms

index.js

index.js

5962 ms

functions.js

functions.js

779 ms

jQuery-zclip.js

jQuery-zclip.js

940 ms

bm116kj.xml

bm116kj.xml

265 ms

bm116kj.xml

bm116kj.xml

267 ms

bm116kj.xml

bm116kj.xml

304 ms

Accessibility Review

57tk.com accessibility score

57

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

57tk.com 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

Serves images with low resolution

SEO Factors

57tk.com SEO score

67

Search Engine Optimization Advices

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

    GB2312

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise 57tk.com 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 57tk.com main page’s claimed encoding is gb2312. 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

57tk.com

Open Graph description is not detected on the main page of 57 Tk. 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: