community.appinventor.mit.edu

挂号的

网站截图

页面分析更新日期: 2026/03/31 22:18:51

上次 Whois 更新日期: 2026/07/19 12:59:48

域名状态

挂号的

付款至

31.07.2027

可从

30.08.2027

搜索引擎优化得分

73.29%

107

取得的分数

146

最高分

主要信息

ℹ️

标题: MIT App Inventor Community - The App Inventor Community

描述: Where MIT App Inventors Can Help Each Other

关键词: 未知

页面编码: utf-8

页面文件大小: 560 KB

服务器信息

🖥️

IP: 44.197.246.221

地点: United States,US,Ashburn,20149,39.0469,-77.4903,America/New_York

HTTP服务器: nginx

编码: utf-8

元标签列表

🏷️

charset: utf-8
name: description content: Where MIT App Inventors Can Help Each Other
name: discourse_theme_id content: 3
name: discourse_current_homepage content: latest
name: generator content: Discourse 2026.3.0-latest - https://github.com/discourse/discourse version e9e7f85bab38e4eeadc7e2006dd97c6722f4db66
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name: fragment content: !
property: og:site_name content: MIT App Inventor Community
property: og:type content: website
name: twitter:card content: summary
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property: og:image content: https://community.appinventor.mit.edu/uploads/default/original/1X/4d32ecf51304615f4eaf9d1094a15fc3278691f9.png
property: og:url content: https://community.appinventor.mit.edu/
name: twitter:url content: https://community.appinventor.mit.edu/
property: og:title content: MIT App Inventor Community - The App Inventor Community
name: twitter:title content: MIT App Inventor Community - The App Inventor Community
property: og:description content: Where MIT App Inventors Can Help Each Other
name: twitter:description content: Where MIT App Inventors Can Help Each Other
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内部链接

🔗

外部链接

🌐

查询信息

📄

update_date: 25-Jun-2026

update_time: 1782345600

expiration_date: 31-Jul-2027

expiration_time: 1816992000

Whois 原始数据

📋

            This Registry database contains ONLY .EDU domains.
The data in the EDUCAUSE Whois database is provided
by EDUCAUSE for information purposes in order to
assist in the process of obtaining information about
or related to .edu domain registration records.
The EDUCAUSE Whois database is authoritative for the
.EDU domain.
A Web interface for the .EDU EDUCAUSE Whois Server is
available at: http://whois.educause.edu
By submitting a Whois query, you agree that this information
will not be used to allow, enable, or otherwise support
the transmission of unsolicited commercial advertising or
solicitations via e-mail.  The use of electronic processes to
harvest information from this server is generally prohibited
except as reasonably necessary to register or modify .edu
domain names.
-------------------------------------------------------------
Domain Name: MIT.EDU
Registrant:
Massachusetts Institute of Technology
77 Massachusetts Ave
Cambridge, MA 02139
USA
Administrative Contact:
Olu Brown
Massachusetts Institute of Technology
MIT Room W92-159, 77 Massachusetts Avenue
Cambridge, MA 02139-4307
USA
+1.6172587870
[email protected]
Technical Contact:
MIT Network Operations
Massachusetts Institute of Technology
MIT Room W92-167, 77 Massachusetts Avenue
Cambridge, MA 02139-4307
USA
+1.6172538400
[email protected]
Name Servers:
ASIA2.AKAM.NET
NS1-37.AKAM.NET
NS1-173.AKAM.NET
EUR5.AKAM.NET
USW2.AKAM.NET
ASIA1.AKAM.NET
USE5.AKAM.NET
USE2.AKAM.NET
Domain record activated:    23-May-1985
Domain record last updated: 25-Jun-2026
Domain expires:             31-Jul-2027

Robots.txt

🤖

			# See https://datatracker.ietf.org/doc/rfc9309 for documentation on how to use the robots.txt file
# Google uses the same format as the standard above. More info at https://developers.google.com/search/docs/crawling-indexing/robots/robots_txt

#
User-agent: mauibot
Disallow: /


User-agent: semrushbot
Disallow: /


User-agent: ahrefsbot
Disallow: /


User-agent: blexbot
Disallow: /


User-agent: seo spider
Disallow: /


User-agent: *
Disallow: /admin/
Disallow: /auth/
Disallow: /assets/browser-update*.js
Disallow: /email/
Disallow: /session
Disallow: /user-api-key
Disallow: /*?api_key*
Disallow: /*?*api_key*
Disallow: /badges
Disallow: /my
Disallow: /search
Disallow: /tag/*/l
Disallow: /g
Disallow: /t/*/*.rss
Disallow: /c/*.rss


User-agent: Googlebot
Disallow: /admin/
Disallow: /auth/
Disallow: /assets/browser-update*.js
Disallow: /email/
Disallow: /session
Disallow: /user-api-key
Disallow: /*?api_key*
Disallow: /*?*api_key*



Sitemap: https://community.appinventor.mit.edu/sitemap.xml

搜索引擎优化审核

🔍

技术搜索引擎优化

✓

响应码

200

状态 200 正常 - 页面加载正确。

✓

字符编码

Page: utf-8, Header: utf-8

HTML 和标头之间的字符编码一致。

✓

页面尺寸

574452 bytes

页面大小可以接受快速加载。

资源

181 total

资源太多了。优化和组合文件以获得更好的性能。

✓

赫尔夫朗标签

0 hreflang tags

如果您有多语言内容，请添加 hreflang 标签。

✓

Robots.txt

Exists

找到 Robots.txt 文件。

✓

Sitemap

Declared in robots.txt

在 robots.txt 中声明的站点地图。

✓

HTTPS

Yes

已启用安全 HTTPS 连接。

压缩

启用 gzip 或 zstd 压缩以减小文件大小。

✓

缓存

no-cache, no-store

正确设置缓存控制标头。

✓

页面速度

6.44 ms

出色的加载速度。

页面搜索引擎优化

✓

标题

MIT App Inventor Community - The App Inventor Community

良好的标题长度（30-60 个字符）。

元描述

Where MIT App Inventors Can Help Each Other Lenght:43

元描述太短。扩展到 100-160 个字符。

✓

H1 标题

1 found - "All latest topics"

好 - 找到单个 H1 标题。

字数统计

211

内容很短。为了更好的 SEO，目标是至少 500 个单词。

规范标签

添加规范标签以防止重复内容问题。

✓

重复元

[]

未找到重复的元标记。

✓

关键词

元关键字是可选的（主要搜索引擎不使用）。

内容和用户体验

✓

语言

语言属性设置正确。

图片

36 total, 35 missing ALT

将 ALT 文本添加到图像中以实现可访问性和 SEO。

✓

视口

width=device-width, initial-scale=1.0, minimum-scale=1.0, viewport-fit=cover, interactive-widget=resizes-content

为移动设备正确设置视口元标记。

✓

打开图

All OG tags present.

存在所有必要的 OpenGraph 标签。

✓

结构化数据

1 JSON-LD scripts

找到结构化数据 (JSON-LD)。

职位于 Google

搜索短语 - Google

🔍

位置	短语	页	片段
1(+2)	сравнение каждой	/t/comparison-of-eac...	Сравнение каждой цифры - Comparison of each number 11 янв. 2025 г. — как сравнить каждую цифру между текстами и присвоить ноль если совпадают ядиници? how to compare each digit between texts and assign zero if ...
4	0 item items 0	/t/random-message-se...	Random message “Select list item: Attempt to get ... 3 мая 2020 г. — It will pop-up anytime your code attempts to access a non-existent item in a List. Since Lists start at 1, item 0 (zero) can never exist .
6	txt line	/t/line-break-in-txt...	Line break in txt file 28 сент. 2020 г. — My txt file does not make a line break in a txt file . The strange thing is that in the programming of the files they are the same but only one does not make ...
17	java attempt attempt	/t/runtime-error-err...	Error from Companion: Attempt to invoke virtual method ... 18 февр. 2023 г. — I had created my app a few days ago and it had worked perfectly, but today when i tried running it, it showed me this error,
19	video ext com	/t/fast-video-player...	Fast video player extension 23 апр. 2025 г. — Designed for ease of use and packed with advanced features, this free and open-source extension allows you to integrate FFmpeg into your apps effortlessly.
24	net err unknown url scheme	/t/err-unknown-url-s...	"err_unknown_url_scheme" WebViewer 23 мар. 2022 г. — I am currently developing an application where I use WebViewer in order to use a google map in the properties of this WebViewer I added "Google Maps"

附加服务

💎

community.appinventor.mit.edu