The Seo Tool

SEO Report for: websetnet.net/vi/set-up-a-mail-server-with-postfixadmin-and-mariadb-on-centos-7/

Overview

Report generated on 2024-04-20 at 08:24:26 (UTC +00:00).

1 year ago

100

Thiết lập máy chủ thư với PostfixAdmin và MariaDB trên CentOS 7 - WebSetNet

Trong hướng dẫn này, chúng tôi sẽ giải thích cách thiết lập và định cấu hình máy chủ thư với PostfixAdmin, Postfix, Dovecot, MariaDB và SpamAssasin trên VPS CentOS.

http://websetnet.net/vi/set-up-a-mail-server-with-postfixadmin-and-mariadb-on-centos-7/

Thiết lập máy chủ thư với PostfixAdmin và MariaDB trên CentOS 7 - WebSetNet

1 high issue

2.8%

4 medium issues

11.1%

4 low issues

11.1%

27 tests passed

75.0%

0.74 seconds

25.37 kB

39 resources

Insecure

SEO

Title

The title tag should be between 1 and 60 characters.

The current title has 75 characters.

The title tag is the HTML element that specifies the title of the webpage. The title tag is displayed at the top of your browser, in the search results, as well as in the bookmarks bar.

Learn more

Google

Meta description

The description tag should be between 70 and 160 characters.

The current description has 164 characters.

The meta description is an HTML tag that provides a short and accurate summary of the webpage. The meta description is used by search engines to identify a webpage's topic and provide relevant search results.

Learn more

Google

Canonical

The meta canonical tag is good.

https://websetnet.net/vi/thi%E1%BA%BFt-l%E1%BA%ADp-m%E1%BB%99t-m%C3%A1y-ch%E1%BB%A7-th%C6%B0-v%E1%BB%9Bi-postfixadmin-v%C3%A0-mariadb-tr%C3%AAn-centos-7/

The canonical tag defines the preferred URL for the current document, which helps search engines reduce duplicate content.

Learn more

Google

Headings

The headings are properly set.

Thiết lập một máy chủ mail với PostfixAdmin và MariaDB trên CentOS 7

Cập nhật hệ thống và cài đặt các gói cần thiết
Tạo người dùng hệ thống
Cài đặt MariaDB
Cài đặt PHP và tất cả các mô đun PHP cần thiết
Cài đặt PostfixAdmin
Cài đặt và cấu hình postfix
Cài đặt và Định cấu hình Dovecot
Cài đặt và cấu hình Spamassassin
Đã phát hành Parole Media Player 4.18! Cách cài đặt qua PPA
Cài đặt Audacious Audio Player 4.1 qua PPA trong Ubuntu Linux
Cách khắc phục Lỗi “Kho lưu trữ chưa hợp lệ” trong Ubuntu Linux
LibreOffice Office Suite 7.4 có sẵn để tải xuống

Định cấu hình Postfix để sử dụng SpamAssassin
bài viết phổ biến
Tag
Tài liệu lưu trữ
Siêu dữ liệu

Bài viết liên quan
WebInNet

The h tags represents the headings of the webpage. The h1 tag is the most important h tag, and describes the main topic of the page, while the rest of the tags describe the sub-topics of the webpage.

Learn more

Mozilla

Content keywords

The content has relevant keywords.

thiết lập máy chủ thư với postfixadmin và mariadb trên centos 7 websetnet

The webpage's content should contain relevant keywords that can also be found in the title of the webpage.

Image keywords

All images have alt attributes set.

The alt attribute specifies an alternate text for an image, if the image cannot be displayed. The alt attribute is also useful for search engines to identify the subject of the image, and helps screen readers describe the image.

Learn more

Google

SEO friendly URL

The URL is SEO friendly.

http://websetnet.net/vi/set-up-a-mail-server-with-postfixadmin-and-mariadb-on-centos-7/

The SEO friendly URLs are URLs that contain relevant keywords with the webpage's topic, and contain no special characters besides slashes and dashes.

Learn more

Google

404 page

The website has 404 error pages.

http://websetnet.net/404-101b495b9e36b53f6afb4bead4f33f10

The 404 webpage status inform the users and the search engines that a page is missing.

Learn more

Bing

Robots.txt

The webpage can be accessed by search engines.

A robots.txt file inform the search engines which links from the website can be accessed.

Learn more

Bing

Google

Noindex

The webpage does not have a noindex tag set.

The noindex tag instruct the search engines to not index the webpage.

Learn more

Bing

Google

In-page links

The number of links on the webpage is okay.

Internals

121

Externals

The in-page links should be kept at a minimum, to avoid issues with search engines not being able to crawl additional links from the webpage.

Language

The webpage has the language declared.

vi

The lang attribute declares the webpage's language, helping search engines identify the language in which the content is written, and browsers to offer translation suggestions.

Learn more

Mozilla

Favicon

The webpage has a favicon.

https://websetnet.b-cdn.net/wp-content/uploads/2020/07/favicon-16x16-png-7-244x244.png

The favicon is the icon that is being displayed in the browser's tab, when the webpage is being bookmarked, and sometimes even in search engine results.

Learn more

Google

Performance

Text compression

The HTML file is compressed.

The HTML filesize is 25.37 kB.

The text compression helps speeding up the webpage's load by compressing the HTML's content.

Learn more

Gzip

Brotli

Google

Load time

The webpage loaded in 0.74 seconds.

The load time indicates the HTML's total load time, and does not include the external resources, such as images, scripts, or other resources.

Page size

The size of the HTML webpage is 25.37 kB.

The page size indicates the HTML's total size, and does not include the external resources, such as images, scripts, or other resources.

HTTP requests

There are fewer than 39 HTTP requests on the webpage.

JavaScripts

CSS

Images

The HTTP requests represents the number of external resources present on the webpage.

Image format

There are 5 images that are not using the AVIF, WebP format.

Images

The images format represents the images that are not served in a next-generation file format. Images served in a next-generation format improve the webpage's load performance.

Learn more

Google

JavaScript defer

There are 12 javascript resources without the defer attribute.

JavaScripts

The defer attribute allows the browser to download the scripts in parallel and execute them after the webpage has been parsed, improving the webpage's load performance.

Learn more

Google

DOM size

The DOM size is optimal.

The HTML file has 833 DOM nodes.

The DOM size indicates the number of nodes the HTML webpage has.

Learn more

Google

Security

HTTPS encryption

The webpage does not use HTTPS encryption.

The HTTPS encryption helps protecting the user's security and privacy.

Learn more

Google

HTTP security

HTTP security not good now. Read detail to know how to protect your site.

Content-Security-Policy

Strict-Transport-Security

X-Content-Type-Options

X-Frame-Options

X-XSS-Protection

X-Permitted-Cross-Domain-Policies

X-DNS-Prefetch-Control

Cross-Origin-Embedder-Policy

Cross-Origin-Opener-Policy

Cross-Origin-Resource-Policy

Access-Control-Allow-Origin

HTTP security are a subset of HTTP headers that is related specifically to security. They are exchanged between a client (usually a web browser) and a server to specify the security details of HTTP communication.

Learn more

Mozilla

Mixed content

There are no mixed content resources on the webpage.

The mixed content is the content that is loaded over the HTTP connection while the webpage itself was loaded over HTTPS connection.

Learn more

Mozilla

Google

Server signature

The webpage has a public server signature.

nginx/1.22.1

The server signature is the public identity of a web server which contains information that could be used to exploit known vulnerabilities.

Learn more

nginx

Apache

Unsafe cross-origin links

The webpage does not have unsafe cross-origin links.

The unsafe cross-origin links indicates the external links that open in a new tab which can expose your website to performance and security issues.

Learn more

Google

Plaintext email

The webpage does not contain any plaintext emails.

Email addresses posted in public are likely to be fetched by crawlers and then collected in lists used for spam.

Miscellaneous

Code Quality

Semantic HTML used & no tables detected throughout.

Have 0 table tags detected.

Using the right code in the right situation ensures the site will render correctly across a wide range of devices. Incorrect code can result in worse search engines rankings and a bad user experience.

Structured data

The webpage has structured data.

Open Graph

og:locale en_US
og:type article
og:title Thiết lập máy chủ thư với PostfixAdmin và MariaDB trên CentOS 7 - WebSetNet
og:description Trong hướng dẫn này, chúng tôi sẽ giải thích cách thiết lập và định cấu hình máy chủ thư với PostfixAdmin, Postfix, Dovecot, MariaDB và SpamAssasin trên VPS CentOS.
og:url https://websetnet.net/vi/thi%E1%BA%BFt-l%E1%BA%ADp-m%E1%BB%99t-m%C3%A1y-ch%E1%BB%A7-th%C6%B0-v%E1%BB%9Bi-postfixadmin-v%C3%A0-mariadb-tr%C3%AAn-centos-7/
og:site_name WebSetNet
og:updated_time 2022-08-03T09:40:46+00:00
og:image https://websetnet.b-cdn.net/wp-content/uploads/2020/08/unnamed-file-143-6310718.jpg
og:image:secure_url https://websetnet.b-cdn.net/wp-content/uploads/2020/08/unnamed-file-143-6310718.jpg
og:image:width 1200
og:image:height 600
og:image:alt unnamed-file-143-6310718
og:image:type image/jpeg

Twitter

twitter:card summary_large_image
twitter:title Thiết lập máy chủ thư với PostfixAdmin và MariaDB trên CentOS 7 - WebSetNet
twitter:description Trong hướng dẫn này, chúng tôi sẽ giải thích cách thiết lập và định cấu hình máy chủ thư với PostfixAdmin, Postfix, Dovecot, MariaDB và SpamAssasin trên VPS CentOS.
twitter:image https://websetnet.b-cdn.net/wp-content/uploads/2020/08/unnamed-file-143-6310718.jpg
twitter:label1 Được viết bởi
twitter:data1 Martin6
twitter:label2 Thời gian để đọc
twitter:data2 8 phút

Schema.org

@context https://schema.org
@graph
- 0
  - @type
    - 0 Person
    - 1 Organization
  - @id https://websetnet.net/#person
  - name WebSetNet
  - logo
    - @type ImageObject
    - @id https://websetnet.net/#logo
    - url https://websetnet.b-cdn.net/wp-content/uploads/2020/07/websetnet-7.png
    - contentUrl https://websetnet.b-cdn.net/wp-content/uploads/2020/07/websetnet-7.png
    - caption WebSetNet
    - inLanguage en-US
    - width 275
    - height 66
  - image
    - @type ImageObject
    - @id https://websetnet.net/#logo
    - url https://websetnet.b-cdn.net/wp-content/uploads/2020/07/websetnet-7.png
    - contentUrl https://websetnet.b-cdn.net/wp-content/uploads/2020/07/websetnet-7.png
    - caption WebSetNet
    - inLanguage en-US
    - width 275
    - height 66
- 1
  - @type WebSite
  - @id https://websetnet.net/#website
  - url https://websetnet.net/vi/
  - name WebSetNet
  - publisher
    - @id https://websetnet.net/#person
  - inLanguage vi
- 2
  - @type ImageObject
  - @id https://websetnet.b-cdn.net/wp-content/uploads/2020/08/unnamed-file-143-6310718.jpg
  - url https://websetnet.b-cdn.net/wp-content/uploads/2020/08/unnamed-file-143-6310718.jpg
  - width 200
  - height 200
  - inLanguage en-US
- 3
  - @type BreadcrumbList
  - @id https://websetnet.net/set-up-a-mail-server-with-postfixadmin-and-mariadb-on-centos-7/#breadcrumb
  - itemListElement
    - 0
      - @type ListItem
      - position 1
      - item
        @id https://websetnet.net
        name Home
    - 1
      - @type ListItem
      - position 2
      - item
        @id https://websetnet.net/system-admin/linux/
        name Linux
    - 2
      - @type ListItem
      - position 3
      - item
        @id https://websetnet.net/set-up-a-mail-server-with-postfixadmin-and-mariadb-on-centos-7/
        name Set up a mail server with PostfixAdmin and MariaDB on CentOS 7
- 4
  - @type WebPage
  - @id https://websetnet.net/set-up-a-mail-server-with-postfixadmin-and-mariadb-on-centos-7/#webpage
  - url https://websetnet.net/vi/thi%E1%BA%BFt-l%E1%BA%ADp-m%E1%BB%99t-m%C3%A1y-ch%E1%BB%A7-th%C6%B0-v%E1%BB%9Bi-postfixadmin-v%C3%A0-mariadb-tr%C3%AAn-centos-7/
  - name Thiết lập máy chủ thư với PostfixAdmin và MariaDB trên CentOS 7 - WebSetNet
  - datePublished 2020-08-05T19:48:16+00:00
  - dateModified 2022-08-03T09:40:46+00:00
  - isPartOf
    - @id https://websetnet.net/#website
  - primaryImageOfPage
    - @id https://websetnet.b-cdn.net/wp-content/uploads/2020/08/unnamed-file-143-6310718.jpg
  - inLanguage vi
  - breadcrumb
    - @id https://websetnet.net/set-up-a-mail-server-with-postfixadmin-and-mariadb-on-centos-7/#breadcrumb
- 5
  - @type Person
  - @id https://websetnet.net/set-up-a-mail-server-with-postfixadmin-and-mariadb-on-centos-7/#author
  - name Martin6
  - image
    - @type ImageObject
    - @id http://0.gravatar.com/avatar/6f9d593d610528c7c1c78b8d1dd034b8?s=96&d=mm&r=g
    - url http://0.gravatar.com/avatar/6f9d593d610528c7c1c78b8d1dd034b8?s=96&d=mm&r=g
    - caption Martin6
    - inLanguage en-US
  - sameAs
    - 0 https://websetnet.net
- 6
  - @type NewsArticle
  - headline Thiết lập máy chủ thư với PostfixAdmin và MariaDB trên CentOS 7 - WebSetNet - WebSetNet
  - datePublished 2020-08-05T19:48:16+00:00
  - dateModified 2022-08-03T09:40:46+00:00
  - articleSection Linux
  - author
    - @id https://websetnet.net/set-up-a-mail-server-with-postfixadmin-and-mariadb-on-centos-7/#author
    - name Martin6
  - publisher
    - @id https://websetnet.net/#person
  - description Trong hướng dẫn này, chúng tôi sẽ giải thích cách thiết lập và định cấu hình máy chủ thư với PostfixAdmin, Postfix, Dovecot, MariaDB và SpamAssasin trên VPS CentOS.
  - copyrightYear 2022
  - copyrightHolder
    - @id https://websetnet.net/#person
  - name Thiết lập máy chủ thư với PostfixAdmin và MariaDB trên CentOS 7 - WebSetNet - WebSetNet
  - @id https://websetnet.net/set-up-a-mail-server-with-postfixadmin-and-mariadb-on-centos-7/#richSnippet
  - isPartOf
    - @id https://websetnet.net/set-up-a-mail-server-with-postfixadmin-and-mariadb-on-centos-7/#webpage
  - image
    - @id https://websetnet.b-cdn.net/wp-content/uploads/2020/08/unnamed-file-143-6310718.jpg
  - inLanguage vi
  - mainEntityOfPage
    - @id https://websetnet.net/set-up-a-mail-server-with-postfixadmin-and-mariadb-on-centos-7/#webpage

The structured data tags help the search engines better understand the content of the webpage, and allows them to create rich snippets in search results.

Learn more

Twitter

Schema.org

Open Graph

Bing

Google

Meta viewport

The webpage has a meta viewport tag set.

width=device-width, initial-scale=1

The meta viewport tag instruct the browsers how to render the viewport of the webpage.

Learn more

Mozilla

Google

Character set

The webpage has a charset value set.

utf-8

The meta charset tag specifies the character encoding, helping the browsers to better render the characters and symbols on the webpage.

Learn more

Mozilla

Sitemap

The website has sitemaps.

Sitemaps

https://websetnet.net/sitemap_index.xml

Sitemaps inform search engines about pages available for crawling on the website.

Learn more

Bing

Google

Social

The webpage does not contain any social links.

Social media presence is becoming increasingly important as a ranking factor for search engines to validate a website's trustworthiness and authority.

Content length

The webpage has 3,196 words.

The content length represents the number of words found on the webpage. The webpage should contain a decent amount of words.

Learn more

Google

Text to HTML ratio

The text to HTML ratio is 17%.

The text to HTML ratio represents the percentage of actual text compared to the percentage of HTML code on the webpage.

Inline CSS

The webpage contains inline CSS code.

Attributes

width:728px; height:90px; float:right; max-width: 100%;
display:inline-block;width:728px;height:90px
font-size: 8pt;
font-size: 13.764705882353pt;
font-size: 14.450980392157pt;
font-size: 8.9607843137255pt;
font-size: 9.6470588235294pt;
font-size: 8.4117647058824pt;
font-size: 8.1372549019608pt;
font-size: 9.2352941176471pt;
font-size: 9.7843137254902pt;
font-size: 8.9607843137255pt;
font-size: 11.843137254902pt;
font-size: 12.941176470588pt;
font-size: 14.176470588235pt;
font-size: 8.2745098039216pt;
font-size: 9.0980392156863pt;
font-size: 11.43137254902pt;
font-size: 9.3725490196078pt;
font-size: 16.78431372549pt;
font-size: 16.647058823529pt;
font-size: 9.7843137254902pt;
font-size: 13.901960784314pt;
font-size: 11.294117647059pt;
font-size: 15.274509803922pt;
font-size: 17.607843137255pt;
font-size: 9.2352941176471pt;
font-size: 8.1372549019608pt;
font-size: 9.6470588235294pt;
font-size: 9.921568627451pt;
font-size: 12.392156862745pt;
font-size: 19.392156862745pt;
font-size: 14.725490196078pt;
font-size: 9.7843137254902pt;
font-size: 9.3725490196078pt;
font-size: 8.9607843137255pt;
font-size: 17.470588235294pt;
font-size: 13.352941176471pt;
font-size: 8.5490196078431pt;
font-size: 9.6470588235294pt;
font-size: 8.9607843137255pt;
font-size: 11.843137254902pt;
font-size: 12.803921568627pt;
font-size: 22pt;
font-size: 20.901960784314pt;
font-size: 11.43137254902pt;
font-size: 17.607843137255pt;

The style attribute contains CSS style rules that are applied to the element. Inline CSS code unnecessarily increases the webpage's size, and can be moved in an external CSS file.

Learn more

Mozilla

Deprecated HTML

There are no deprecated HTML tags on the webpage.

The deprecated tags represents the tags that are not supported HTML5 standard anymore, and could cause the webpage to be rendered incorrectly.

Learn more

Tutorialspoint