Tools & Wizards About Us
nn.com screenshot

Report Summary

  • 37

    Performance

    Renders faster than
    56% of other websites

  • 54

    Accessibility

    Visual factors better than
    that of 23% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

nn.com

NN_专注纯粹的游戏社区组队开黑(高品质语音)-免费steam游戏加速器-专业游戏陪玩带玩交友

Page Load Speed

10.8 sec in total

First Response

672 ms

Resources Loaded

9.9 sec

Page Rendered

219 ms

nn.com screenshot

About Website

Click here to check amazing NN content for China. Otherwise, check out these important facts you probably never knew about nn.com

NN与海外的Discord、Whatsup、Clubhouse语音产品类似，中国雷神打造非常火的一款游戏社交语音社区，每个玩家都能在社区找到志同道合的游戏队友，一边情谊聊天一边享受快乐游戏时光，打造属于自己的私密语音家族，并支持强大的Steam游戏免费加速器功能，有效降低各区服游戏延时。

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Key Findings

We analyzed Nn.com page load time and found that the first response time was 672 ms and then it took 10.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

nn.com performance score

37

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.8 s

12/100

10%

LCP (Largest Contentful Paint)

Value9.3 s

1/100

25%

SI (Speed Index)

Value9.8 s

10/100

10%

TBT (Total Blocking Time)

Value230 ms

87/100

30%

CLS (Cumulative Layout Shift)

Value0.478

18/100

15%

TTI (Time to Interactive)

Value6.9 s

54/100

10%

Network Requests Diagram

nn.com

672 ms

www.nn.com

1509 ms

geetest.sdk.js

4170 ms

ieVersion.js

224 ms

hm.js

1235 ms

Our browser made a total of 35 requests to load all elements on the main page. We found that 77% of them (27 requests) were addressed to the original Nn.com, 6% (2 requests) were made to Dfs01.nn.com and 6% (2 requests) were made to Hm.baidu.com. The less responsive or slowest element that took the longest time to load (4.2 sec) relates to the external source Dfs01.nn.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 323.1 kB (23%)

Content Size

1.4 MB

After Optimization

1.1 MB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Nn.com main page is 1.4 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. 40% of websites need less resources to load. Images take 1.1 MB which makes up the majority of the site volume.

HTML Optimization

-64%

Potential reduce by 196.1 kB

  • Original 307.7 kB
  • After minification 307.5 kB
  • After compression 111.6 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 196.1 kB or 64% of the original size.

Image Optimization

-12%

Potential reduce by 126.5 kB

  • Original 1.1 MB
  • After minification 954.7 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, NN needs image optimization as it can save up to 126.5 kB or 12% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-5%

Potential reduce by 545 B

  • Original 10.2 kB
  • After minification 10.2 kB
  • After compression 9.6 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. This website has mostly compressed JavaScripts.

Requests Breakdown

Number of requests can be reduced by 10 (33%)

Requests Now

30

After Optimization

20

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 30 CSS, Javascripts, AJAX and image requests in order to completely render the main page of NN. 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

nn.com

nn.com

672 ms

www.nn.com

www.nn.com

1509 ms

geetest.sdk.js

geetest.sdk.js

4170 ms

ieVersion.js

ieVersion.js

224 ms

hm.js

hm.js

1235 ms

push.js

push.js

1119 ms

rB8AIGDmtbKAS5WyAABN10xduQI0788.js

rB8AIGDmtbKAS5WyAABN10xduQI0788.js

1353 ms

e978363.css

e978363.css

448 ms

8430abc.css

8430abc.css

661 ms

202ffda.css

202ffda.css

671 ms

809d970.js

809d970.js

882 ms

f2512bc.js

f2512bc.js

888 ms

a186477.js

a186477.js

1167 ms

a4fbe42.js

a4fbe42.js

1557 ms

4ab26e4.js

4ab26e4.js

1358 ms

hm.gif

hm.gif

576 ms

logo.824664f.png

logo.824664f.png

522 ms

label_sm_90030.png

label_sm_90030.png

943 ms

circle1.1f884fb.png

circle1.1f884fb.png

516 ms

circle2.0916a57.png

circle2.0916a57.png

522 ms

moon.2e5c5bb.png

moon.2e5c5bb.png

980 ms

main_bg.ec3d49e.png

main_bg.ec3d49e.png

914 ms

img1.409ec7b.svg

img1.409ec7b.svg

516 ms

img1.f7913b8.png

img1.f7913b8.png

657 ms

free.780ab7d.png

free.780ab7d.png

521 ms

img2.7bb9460.png

img2.7bb9460.png

682 ms

img3.0adfa81.png

img3.0adfa81.png

663 ms

img4.333fbfa.png

img4.333fbfa.png

893 ms

PingFang%20Medium.b47f087.ttf

PingFang%20Medium.b47f087.ttf

3366 ms

4c59fc5.js

4c59fc5.js

735 ms

sa.gif

sa.gif

1065 ms

edge_switch

edge_switch

494 ms

allPackage

allPackage

709 ms

sa.gif

sa.gif

790 ms

package

package

560 ms

Accessibility Review

nn.com accessibility score

54

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

High

Links do not have a discernible name

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

nn.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

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

nn.com SEO score

85

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

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 Nn.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 Nn.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

nn.com

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