Tools & Wizards About Us
s3r3nity.com screenshot

Report Summary

  • 88

    Performance

    Renders faster than
    90% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 61% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

s3r3nity.com

绿叶加速器 一键直达 更快更稳

Page Load Speed

4.2 sec in total

First Response

478 ms

Resources Loaded

3.6 sec

Page Rendered

195 ms

s3r3nity.com screenshot

About Website

Welcome to s3r3nity.com homepage info - get ready to check S 3 R Nity best content for Canada right away, or after learning these important things about s3r3nity.com

绿叶加速器是一款非常不错的手机游戏网络加速手机软件。使用方便快捷。让大家可以畅通无阻的使用和运行手机，享受极致的跑步体验。网络加速流畅快速，使用方便快捷，功能强大。

Visit s3r3nity.com

Key Findings

We analyzed S3r3nity.com page load time and found that the first response time was 478 ms and then it took 3.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

s3r3nity.com performance score

88

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.2 s

77/100

10%

LCP (Largest Contentful Paint)

Value3.3 s

69/100

25%

SI (Speed Index)

Value4.2 s

77/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value2.2 s

99/100

10%

Network Requests Diagram

s3r3nity.com

478 ms

s3r3nity.com

865 ms

bootstrap.min.css

431 ms

bootstrap-theme.min.css

636 ms

font-awesome.min.css

638 ms

Our browser made a total of 19 requests to load all elements on the main page. We found that 84% of them (16 requests) were addressed to the original S3r3nity.com, 11% (2 requests) were made to Tj.comkonyukhiv.com and 5% (1 request) were made to Hm.baidu.com. The less responsive or slowest element that took the longest time to load (1.1 sec) relates to the external source Hm.baidu.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 210.4 kB (43%)

Content Size

492.0 kB

After Optimization

281.6 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of S3r3nity.com main page is 492.0 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. Images take 217.7 kB which makes up the majority of the site volume.

HTML Optimization

-70%

Potential reduce by 6.5 kB

  • Original 9.3 kB
  • After minification 7.4 kB
  • After compression 2.8 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 1.9 kB, which is 20% 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 6.5 kB or 70% of the original size.

Image Optimization

-17%

Potential reduce by 37.4 kB

  • Original 217.7 kB
  • After minification 180.4 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, S 3 R Nity needs image optimization as it can save up to 37.4 kB or 17% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-51%

Potential reduce by 68.4 kB

  • Original 133.6 kB
  • After minification 133.6 kB
  • After compression 65.2 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 68.4 kB or 51% of the original size.

CSS Optimization

-75%

Potential reduce by 98.1 kB

  • Original 131.3 kB
  • After minification 131.0 kB
  • After compression 33.2 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. S3r3nity.com needs all CSS files to be minified and compressed as it can save up to 98.1 kB or 75% of the original size.

Requests Breakdown

Number of requests can be reduced by 7 (50%)

Requests Now

14

After Optimization

7

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 14 CSS, Javascripts, AJAX and image requests in order to completely render the main page of S 3 R Nity. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

s3r3nity.com

s3r3nity.com

478 ms

s3r3nity.com

s3r3nity.com

865 ms

bootstrap.min.css

bootstrap.min.css

431 ms

bootstrap-theme.min.css

bootstrap-theme.min.css

636 ms

font-awesome.min.css

font-awesome.min.css

638 ms

swiper.min.css

swiper.min.css

643 ms

styles.css

styles.css

652 ms

jquery.min.js

jquery.min.js

874 ms

bootstrap.min.js

bootstrap.min.js

655 ms

swiper.jquery.min.js

swiper.jquery.min.js

1060 ms

download5.js

download5.js

888 ms

tongji22.js

tongji22.js

897 ms

logo.png

logo.png

214 ms

banner-02-bg.png

banner-02-bg.png

635 ms

map.png

map.png

434 ms

hm.js

hm.js

1078 ms

fontawesome-webfont.woff-v=4.7.0

fontawesome-webfont.woff-v=4.7.0

216 ms

fontawesome-webfont.ttf-v=4.7.0

fontawesome-webfont.ttf-v=4.7.0

214 ms

fontawesome-webfont.svg-v=4.7.0

fontawesome-webfont.svg-v=4.7.0

217 ms

Accessibility Review

s3r3nity.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

Image elements do not have [alt] attributes

Best Practices

s3r3nity.com best practices score

75

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

s3r3nity.com SEO score

92

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 uses legible font sizes

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 S3r3nity.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 S3r3nity.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

s3r3nity.com

Open Graph description is not detected on the main page of S 3 R Nity. 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: