Tools & Wizards About Us

Report Summary

  • 46

    Performance

    Renders faster than
    65% of other websites

  • 80

    Accessibility

    Visual factors better than
    that of 49% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

f166.com

f166手游网_为您提供最好的手游下载门户

Page Load Speed

32.8 sec in total

First Response

973 ms

Resources Loaded

29.7 sec

Page Rendered

2.1 sec

About Website

Click here to check amazing F 166 content. Otherwise, check out these important facts you probably never knew about f166.com

f166手游网为您提供最新最好玩的安卓手游下载，常用的Android应用软件下载，每日不断更新资讯、攻略，为您带来最好的体验，f166手游网全力打造互联网精品游戏软件下载基地。

Visit f166.com

Key Findings

We analyzed F166.com page load time and found that the first response time was 973 ms and then it took 31.8 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. Unfortunately, there were 3 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

f166.com performance score

46

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value7.8 s

0/100

10%

LCP (Largest Contentful Paint)

Value87.1 s

0/100

25%

SI (Speed Index)

Value21.0 s

0/100

10%

TBT (Total Blocking Time)

Value70 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value13.2 s

12/100

10%

Network Requests Diagram

f166.com

973 ms

f166.com

2369 ms

www.f166.com

2349 ms

template.css

240 ms

swiper.min.css

1750 ms

Our browser made a total of 155 requests to load all elements on the main page. We found that 27% of them (42 requests) were addressed to the original F166.com, 43% (66 requests) were made to Img.f166.com and 27% (42 requests) were made to Images.f166.com. The less responsive or slowest element that took the longest time to load (19.7 sec) belongs to the original domain F166.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.3 MB (10%)

Content Size

12.9 MB

After Optimization

11.6 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of F166.com main page is 12.9 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. 60% of websites need less resources to load. Images take 12.7 MB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 81.4 kB

  • Original 96.2 kB
  • After minification 81.1 kB
  • After compression 14.8 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. This page needs HTML code to be minified as it can gain 15.1 kB, which is 16% 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 81.4 kB or 85% of the original size.

Image Optimization

-9%

Potential reduce by 1.2 MB

  • Original 12.7 MB
  • After minification 11.5 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. F 166 images are well optimized though.

JavaScript Optimization

-19%

Potential reduce by 18.6 kB

  • Original 100.1 kB
  • After minification 94.5 kB
  • After compression 81.5 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 18.6 kB or 19% of the original size.

CSS Optimization

-25%

Potential reduce by 4.5 kB

  • Original 17.8 kB
  • After minification 17.8 kB
  • After compression 13.3 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. F166.com needs all CSS files to be minified and compressed as it can save up to 4.5 kB or 25% of the original size.

Requests Breakdown

Number of requests can be reduced by 22 (15%)

Requests Now

148

After Optimization

126

  • Images
  • JavaScript
  • CSS

The browser has sent 148 CSS, Javascripts, AJAX and image requests in order to completely render the main page of F 166. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

f166.com accessibility score

80

Accessibility Issues

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

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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.

Best Practices

f166.com best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

f166.com SEO score

83

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

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 doesn't use legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    ZH

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise F166.com can be misinterpreted by Google and other search engines. Our service has detected that Chinese is used on the page, and it does not match the claimed English language. Our system also found out that F166.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

Open Graph description is not detected on the main page of F 166. 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: