Tools & Wizards About Us
51766.com screenshot

Report Summary

  • 37

    Performance

    Renders faster than
    56% of other websites

  • 76

    Accessibility

    Visual factors better than
    that of 42% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 99

    SEO

    Google-friendlier than
    93% of websites

51766.com

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Page Load Speed

8.1 sec in total

First Response

1.4 sec

Resources Loaded

5.5 sec

Page Rendered

1.2 sec

51766.com screenshot

About Website

Visit 51766.com now to see the best up-to-date 51766 content for China and also check out these interesting facts you probably never knew about 51766.com

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Visit 51766.com

Key Findings

We analyzed 51766.com page load time and found that the first response time was 1.4 sec and then it took 6.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

51766.com performance score

37

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.5 s

35/100

10%

LCP (Largest Contentful Paint)

Value6.1 s

12/100

25%

SI (Speed Index)

Value6.0 s

46/100

10%

TBT (Total Blocking Time)

Value1,270 ms

19/100

30%

CLS (Cumulative Layout Shift)

Value0.062

97/100

15%

TTI (Time to Interactive)

Value6.7 s

57/100

10%

Network Requests Diagram

51766.com

1360 ms

www.51766.com

1368 ms

hm.js

951 ms

d98f99b3597beaa0.css

1765 ms

fc97ab2b404b0eee.css

768 ms

Our browser made a total of 19 requests to load all elements on the main page. We found that 16% of them (3 requests) were addressed to the original 51766.com, 63% (12 requests) were made to Static.51766static.com and 11% (2 requests) were made to Hm.baidu.com. The less responsive or slowest element that took the longest time to load (2.8 sec) relates to the external source Static.51766static.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 432.5 kB (91%)

Content Size

475.9 kB

After Optimization

43.4 kB

  • HTML
  • Images

In fact, the total size of 51766.com main page is 475.9 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. 20% of websites need less resources to load. HTML takes 471.4 kB which makes up the majority of the site volume.

HTML Optimization

-92%

Potential reduce by 431.4 kB

  • Original 471.4 kB
  • After minification 469.8 kB
  • After compression 40.0 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. 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 431.4 kB or 92% of the original size.

Image Optimization

-25%

Potential reduce by 1.1 kB

  • Original 4.5 kB
  • After minification 3.4 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, 51766 needs image optimization as it can save up to 1.1 kB or 25% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

Requests Breakdown

Number of requests can be reduced by 10 (59%)

Requests Now

17

After Optimization

7

  • Images
  • JavaScript
  • CSS

The browser has sent 17 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 51766. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

51766.com

51766.com

1360 ms

www.51766.com

www.51766.com

1368 ms

hm.js

hm.js

951 ms

d98f99b3597beaa0.css

d98f99b3597beaa0.css

1765 ms

fc97ab2b404b0eee.css

fc97ab2b404b0eee.css

768 ms

polyfills-c67a75d1b6f99dc8.js

polyfills-c67a75d1b6f99dc8.js

2162 ms

webpack-2ecd51d653430bb9.js

webpack-2ecd51d653430bb9.js

772 ms

framework-5666885447fdc3cc.js

framework-5666885447fdc3cc.js

160 ms

main-9267112302707032.js

main-9267112302707032.js

2160 ms

_app-41e80d42e0d92a8b.js

_app-41e80d42e0d92a8b.js

2603 ms

75fc9c18-8a1f02a78dd8d0bf.js

75fc9c18-8a1f02a78dd8d0bf.js

794 ms

8260-c6da96142ba76c0c.js

8260-c6da96142ba76c0c.js

2761 ms

index-b0e509723d3ed04a.js

index-b0e509723d3ed04a.js

1957 ms

_buildManifest.js

_buildManifest.js

2253 ms

_ssgManifest.js

_ssgManifest.js

1963 ms

default_img_2.png

default_img_2.png

98 ms

hm.gif

hm.gif

298 ms

chevron-right-nobg.png

chevron-right-nobg.png

756 ms

arrows-up.png

arrows-up.png

319 ms

Accessibility Review

51766.com accessibility score

76

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

Form elements do not have associated labels

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

51766.com 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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

51766.com SEO score

99

Search Engine Optimization Advices

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    ZH

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise 51766.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 51766.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

51766.com

Open Graph description is not detected on the main page of 51766. 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: