Tools & Wizards About Us
email.163.com screenshot

Report Summary

  • 58

    Performance

    Renders faster than
    74% of other websites

  • 79

    Accessibility

    Visual factors better than
    that of 48% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 92

    SEO

    Google-friendlier than
    75% of websites

email.163.com

网易免费邮箱 - 你的专业电子邮局

Page Load Speed

15 sec in total

First Response

2.8 sec

Resources Loaded

12.1 sec

Page Rendered

141 ms

email.163.com screenshot

About Website

Click here to check amazing Email 163 content for China. Otherwise, check out these important facts you probably never knew about email.163.com

网易免费邮箱，你的专业电子邮局，提供以@163.com、@126.com和@yeah.net为后缀的免费邮箱。超过20年邮箱运营经验，系统快速稳定安全，支持超大附件和网盘服务。网易邮箱官方App“邮箱大师”帮您高效处理邮件，支持所有邮箱，并可在手机、Windows和Mac上多端协同使用。

Visit email.163.com

Key Findings

We analyzed Email.163.com page load time and found that the first response time was 2.8 sec and then it took 12.3 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

email.163.com performance score

58

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.5 s

6/100

10%

LCP (Largest Contentful Paint)

Value7.2 s

5/100

25%

SI (Speed Index)

Value5.5 s

54/100

10%

TBT (Total Blocking Time)

Value90 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value6.5 s

59/100

10%

Network Requests Diagram

email.163.com

2787 ms

base_v5.min.js

468 ms

year.js

489 ms

httpsEnable.gif

3046 ms

ntes_logo.png

234 ms

Our browser made a total of 27 requests to load all elements on the main page. We found that 4% of them (1 request) were addressed to the original Email.163.com, 48% (13 requests) were made to Mimg.127.net and 11% (3 requests) were made to Irpmt.mail.163.com. The less responsive or slowest element that took the longest time to load (4.9 sec) relates to the external source Gztp.127.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.4 MB (66%)

Content Size

2.1 MB

After Optimization

699.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Email.163.com main page is 2.1 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. 15% of websites need less resources to load. Javascripts take 1.7 MB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 64.3 kB

  • Original 85.7 kB
  • After minification 84.0 kB
  • After compression 21.4 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 64.3 kB or 75% of the original size.

Image Optimization

-9%

Potential reduce by 6.7 kB

  • Original 76.1 kB
  • After minification 69.4 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. Email 163 images are well optimized though.

JavaScript Optimization

-68%

Potential reduce by 1.1 MB

  • Original 1.7 MB
  • After minification 1.7 MB
  • After compression 528.3 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 1.1 MB or 68% of the original size.

CSS Optimization

-69%

Potential reduce by 179.3 kB

  • Original 259.3 kB
  • After minification 258.6 kB
  • After compression 80.0 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. Email.163.com needs all CSS files to be minified and compressed as it can save up to 179.3 kB or 69% of the original size.

Requests Breakdown

Number of requests can be reduced by 9 (43%)

Requests Now

21

After Optimization

12

  • AJAX
  • Images
  • JavaScript

The browser has sent 21 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Email 163. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.

Network Requests Diagram

email.163.com

email.163.com

2787 ms

base_v5.min.js

base_v5.min.js

468 ms

year.js

year.js

489 ms

httpsEnable.gif

httpsEnable.gif

3046 ms

ntes_logo.png

ntes_logo.png

234 ms

new.png

new.png

243 ms

logo_v2.png

logo_v2.png

434 ms

bgx_v2.png

bgx_v2.png

461 ms

bg_v3.png

bg_v3.png

691 ms

t.gif

t.gif

475 ms

mailapp_logo_141212.png

mailapp_logo_141212.png

481 ms

arr.png

arr.png

484 ms

knet.png

knet.png

662 ms

all4.jpg

all4.jpg

1144 ms

preload6.htm

preload6.htm

2729 ms

webmail.gif

webmail.gif

2047 ms

iplocator

iplocator

1072 ms

get.do

get.do

2340 ms

gzttest

gzttest

4853 ms

gzctest

gzctest

971 ms

gzetest

gzetest

678 ms

gzep

gzep

297 ms

gzcp

gzcp

438 ms

bLoginTpl.js

bLoginTpl.js

240 ms

stat.gif

stat.gif

1036 ms

stat.gif

stat.gif

1059 ms

stat.gif

stat.gif

1367 ms

Accessibility Review

email.163.com accessibility score

79

Accessibility Issues

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

email.163.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

email.163.com SEO score

92

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

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 Email.163.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 Email.163.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

email.163.com

Open Graph description is not detected on the main page of Email 163. 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: