frontjs.com Domain Owner Whois and Analysis

DOMAIN OWNER WHOIS

ⓘ The owner has chosen to keep his whois contact information private.

SEO SCORE

frontjs.com
Make your link ↑ do-follow

✅ 5 criteria passed
❌ 6 criteria to solve

PERFORMANCE OPPORTUNITIES

Make your title tag clear, concise and include your most important keywords.

Make your meta description eloquent and appealing, neither too short nor too long.

Advertising

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OVERVIEW

• Domain Owner

Private

• Category

Technology & Computing

• Online since

November 10, 2017 Explore Wayback Machine

• Age

6 years, 5 months, 17 days

• Alexa Rank

#1.528.078

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TECHNICAL SEO & SECURITY

❌ SSL Certificate

This website is not SSL secured (HTTPS), the certificate issued by GlobalSign nv-sa has expired on November 28, 2020.

❌ Title Tag

❌ Meta Description

FrontJS 是为广大对网站错误监测有需求的用户和团队所提供的可以快速追踪网站故障，及时修复问题，维护网站质量，指导改善用户体验的轻量级网站错误监控平台。目前除支持监控Web端，更支持多方面监控您的微信小程序，只需一步，快速添加监控代码
Length: 335 (recommended: 50 to 160)

ⓘ Google preview

Desktop Version

https://frontjs.com

FrontJS 是为广大对网站错误监测有需求的用户和团队所提供的可以快速追踪网站故障，及时修复问题，维护网站质量，指导改善用户体验的轻量级网站错误监控平台。目前除支持监控Web端，更支持多方面监控您的微信小程序，只需一步，快速添加监控代码

Mobile Version

https://frontjs.com

✅ Encoding

Great, language/character encoding is specified: utf-8

❌ URL Resolve

No 301 redirects are in place to redirect traffic to your preferred domain. Pages that load successfully both with and without www. are treated as duplicate content! Not all versions of your page point to the same URL.

URL	Resolved URL
http://frontjs.com	https://www.frontjs.com/
https://frontjs.com	https://frontjs.com/
http://www.frontjs.com	https://www.frontjs.com/
https://www.frontjs.com	https://www.frontjs.com/

❌ Robots.txt

No robots.txt file was found on this page.

✅ URL Parameters

Great, the domain URLs look clean.

Attribute	Value
ⓘ viewport	width=device-width, initial-scale=1
ⓘ viewport	width=device-width, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0, user-scalable=no minimal-ui

SEMANTIC ANALYSIS

ⓘ The owner has associated the following topics to the website.

PAGESPEED INSIGHTS

Page on which speed is tested live:

Chrome User Experience Report Results

Lighthouse Results

Run Google PageSpeed Insights Analysis on frontjs.com

TRAFFIC

ⓘ This website is ranked #1.528.078 by Alexa.

This rank is traffic based. The lower the rank is, the better the domain is ranked.

LAYOUT

ⓘ Doctype HTML5

ⓘ Responsive website, mobile-friendly.

Mobile Rendering

This website seems to be optimized for Mobile Visitors.

Phone
How frontjs.com looks like on a mobile device such as an iPhone.

Tablet
How frontjs.com looks like on a tablet such as an iPad.

Main colors used

ⓘ These are the main HTML color codes used by this website.

88% #1040b0
6% #2050b0
3% #3060c0
1% #4070d0
1% #5080d0
0% #7090e0
0% #1060e0
0% #0080ff
0% #1070f0
0% #80a0e0
0% #1090d0
0% #a0c0f0

Text/code ratio

ⓘ frontjs.com's text/code ratio is 10.55%. It's a bit low. Consider raising it by adding more text content of value for your visitors, or keeping your code clean.

Text / Code Ratio 10.55%

A good text to HTML ratio is anywhere from 25 to 70%.

This percentage refers to the visible text ratio, as opposed to HTML elements, image tags and other non-visible information.

Main HTML tags

✅ Headings

Great, we found headings on this page.

<H1> 0
<H2> 4
<H3> 14
<H4> 0
<H5> 0
<H6> 0

However, you have not defined a top level heading, or <H1>. It is used to define the most important heading.

We recommend using one top level heading to set up a semantic relationship between that heading and the remainder of the content on a page. It clearly describes to the readers and the search engines what it is about.

<H2>

2^nd level heading
38,130,924,078 (2)
400 866 0210
Title

<H3>

3^rd level heading
监控的事件数已经达到 (2)
快速集成
信息获取
网络环境
堆栈追踪
自定义数据
Source map
新动态
技术控
求帮助
产品
帮助
公司

❌ Alt attributes

We found 33 images on this website.
33 ALT attributes are missing on your image tags. The issue affects 29 actual different images that could be loaded more than once in your page.

Image	Image URL	Occurrences
	https://static.frontjs.com/static/20190925100206/image/logo.png	1
	https://static.frontjs.com/static/20190925100206/image/logo-inverse.png	1
	https://static.frontjs.com/static/20190925100206/image/img_home_section_1_i1.png	1
	https://static.frontjs.com/static/20190925100206/image/img_home_section_1_i2.png	1
	https://static.frontjs.com/static/20190925100206/image/img_home_section_1_fg.png	1
	https://static.frontjs.com/static/20190925100206/image/img_home_section_2_1.jpg	1
	https://static.frontjs.com/static/20190925100206/image/img_home_section_3_i1.png	1
	https://static.frontjs.com/static/20190925100206/image/img_home_section_3_i2.png	1
	https://static.frontjs.com/static/20190925100206/image/img_home_section_3_i3.png	1
	https://static.frontjs.com/static/20190925100206/image/img_home_section_3_i4.png	1
	https://static.frontjs.com/static/20190925100206/image/img_home_section_3_i5.png	1
	https://static.frontjs.com/static/20190925100206/image/img_home_section_3_i6.png	1
	https://static.frontjs.com/static/20190925100206/image/img_home_section_4_1_active.jpg	3
	https://static.frontjs.com/static/20190925100206/image/img_home_section_4_2.jpg	2
	https://static.frontjs.com/static/20190925100206/image/img_home_section_4_2_active.jpg	2
	https://static.frontjs.com/static/20190925100206/image/img_home_section_4_1.jpg	1
	https://static.frontjs.com/static/20190925100206/image/exception_alert.png	1
	https://static.frontjs.com/static/20190925100206/image/img_home_section_6_i1.png	1
	https://static.frontjs.com/static/20190925100206/image/img_home_section_6_i2.png	1
	https://static.frontjs.com/static/20190925100206/image/img_home_section_6_i3.png	1
	https://static.frontjs.com/static/20190925100206/image/img_home_section_6_i4.png	1
	https://static.frontjs.com/static/20190925100206/image/brand/pgyer.png	1
	https://static.frontjs.com/static/20190925100206/image/brand/aladin.png	1
	https://static.frontjs.com/static/20190925100206/image/brand/jinse.png	1
	https://static.frontjs.com/static/20190925100206/image/brand/wegene.png	1
	https://static.frontjs.com/static/20190925100206/image/brand/dmxq.png	1
	https://static.frontjs.com/static/20190925100206/image/brand/kapbook.png	1
	/static/image/language_chinese.png	1
	/static/image/language_english.png	1

Alternative text allows you to add a description to an image.

Google rely on alternative text attributes to determine relevance to a search query. Alternative text also makes an image more likely to appear in a Google image search.

It looks like you're missing alternative text for 33 images on frontjs.com. Check your website to make sure it's specified for each image on the page.

LINKS

ⓘ There is a total of 48 links on the homepage of this website.

ⓘ Internal links : 27

Anchor	Type	URL
	image	/
	image	/
产品功能	text	/feature/website
小程序监控	text	/feature/miniprogram
文档	text	/doc
价格	text	/pricing
Demo	text	/demo
登录	text	/user/login
注册	text	/user/register
立即开始	text	/user/register
了解更多	text	/feature
联系我们	text	/service/contact
了解更多	text	/pricing
了解更多	text	/feature/miniprogram
了解更多	text	/doc
基础 \| 什么是FrontJS	text	https://www.frontjs.com/doc/view/what
基础 \| 如何进行项目集成	text	https://www.frontjs.com/doc/view/how
进阶 \| 产生 Script Error 消息的原å›	text	https://www.frontjs.com/doc/view/why_script_error
No anchor	empty	https://www.frontjs.com
产品功能	text	/feature
帮助文档	text	/doc
service@pgyer.com	text	mailto:service@pgyer.com
关于我们	text	/service/about
服务条款	text	/service
隐私声明	text	/service/privacy
	image	/lang/select?l=cn&redi=https%3a%2f%2ffrontjs.com%2f
	image	/lang/select?l=en&redi=https%3a%2f%2ffrontjs.com%2f

ⓘ External links : 21

Anchor	Type	URL
了解更多	text	http://blog.frontjs.com/categories/%e5%8a%9f%e8%83%bd%e6%9b%b4%e6%96%b0/
功能更新 \| 新增报警系统，前端异常尽在掌握	text	http://blog.frontjs.com/2018/12/13/newfeature/
功能更新 \| 展现数据流动的利器—桑基图！	text	http://blog.frontjs.com/2018/09/30/e5-b1-95-e7-8e-b0-e6-95-b0-e6-8d-ae-e6-b5-81-e5-8a-a8-e7-9a-84-e5...
功能更新 \| 地域分布图表功能上线！	text	http://blog.frontjs.com/2018/08/30/e5-8a-9f-e8-83-bd-e6-9b-b4-e6-96-b0-e5-9c-b0-e5-9f-9f-e5-88-86-e5...
了解更多	text	http://blog.frontjs.com/categories/%e6%8a%80%e6%9c%af%e6%8e%a7/
干货 \| WebAssembly的过去、现在和未来	text	http://blog.frontjs.com/2018/12/13/webassembly-e7-9a-84-e8-bf-87-e5-8e-bb-e3-80-81-e7-8e-b0-e5-9c-a8...
干货 \| 一文带你快速了解现代的CSS	text	http://blog.frontjs.com/2018/10/15/e4-b8-80-e6-96-87-e5-b8-a6-e4-bd-a0-e5-bf-ab-e9-80-9f-e4-ba-86-e8...
干货 \| CSS 中重要的层叠概念	text	http://blog.frontjs.com/2018/09/29/e5-b9-b2-e8-b4-a7-css-e4-b8-ad-e9-87-8d-e8-a6-81-e7-9a-84-e5-b1-8...
	image	https://www.pgyer.com/
	image	https://www.aldwx.com/
	image	https://www.jinse.com/
	image	https://www.wegene.com/
	image	http://www.codeplanet.cc/
	image	https://www.kapbook.com/
No anchor	empty	https://www.pgyer.com
No anchor	empty	https://www.tracup.com
专家测试	text	https://zc.pgyer.com
内测分发	text	https://pgyer.com
Tracup	text	https://www.tracup.com
No anchor	empty	https://www.zhihu.com/org/pu-gong-ying-kai-fa-zhe-fu-wu-ping-tai/activities
陕ICP备17021064号-1	text	http://www.beian.miit.gov.cn/

DOMAIN REGISTRAR

ⓘ Domain Registrar	ALIBABA CLOUD COMPUTING (BEIJING) CO., LTD.
ⓘ Registration Date	11/10/2017 6 years, 5 months, 17 days ago
ⓘ Last Modified	08/16/2019 4 years, 8 months, 14 days ago
ⓘ Expiration Date	11/10/2021 Expired