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Whois & Analysis for tech12h.com

Dec 30, 2019 12:01 am UTC

DOMAIN OWNER WHOIS

The owner's whois contact information is public.
• Contact Name
Hoang An
• Country Code
Viet Nam
• Phone Number
• Domain Registrar
Desktop screen Desktop screenshot for tech12h.com
52

7 criteria passed
4 criteria to solve

PERFORMANCE OPPORTUNITIES

Make your title tag clear, concise and include your most important keywords.
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Make your meta description eloquent and appealing, neither too short nor too long.
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OVERVIEW

• Domain Owner
Hoang An See more
• Category
Science  >  Geography  >  Education
• Online since
• Age
9 years, 6 months
• Alexa Rank
#55.788, tech12h.com is in the world's top 100.000 websites!

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TECHNICAL SEO & SECURITY

SSL Certificate
This website is not SSL secured (HTTPS), the certificate issued by CloudFlare, Inc. has expired on August 14, 2020.
Title Tag
Tài liệu học online, giải bài tập sgk và nhiều thủ thuật tin học hữu ích
Length: 94 (recommended: 10 to 70)
Meta Description
Hướng dẫn giải bài tập SGK, tổng hợp những đề thi mẫu giúp học sinh học và thi tốt hơn. Cùng với những kiến thức tin học hữu ích
Length: 172 (recommended: 50 to 160)
Google preview
Desktop Version

Tài liệu học online, giải bài tập sgk và nhiều thủ thuật tin học hữu í...

https://tech12h.com

Hướng dẫn giải bài tập SGK, tổng hợp những đề thi mẫu giúp học sinh học và thi tốt hơn. Cùng với những kiến thức tin học hữu ích

Mobile Version

https://tech12h.com

Tài liệu học online, giải bài tập sgk và nhiều thủ thuật tin học hữu í...

Hướng dẫn giải bài tập SGK, tổng hợp những đề thi mẫu giúp học sinh học và thi tốt hơn. Cùng với những kiến thức tin học hữu ích

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

Great, a redirect is in place to redirect traffic from your non-preferred domain. All versions of your page point to the same URL.

URL Parameters
Great, the domain URLs look clean.
Attribute Value
robots follow, index
viewport width=device-width

SEMANTIC ANALYSIS

The owner has associated the following topics to the website.

The results of our semantic analysis are shown below using the website's language.

They are the main concepts covered by tech12h.com.

Each concept has a confidence score. The higher it is, the more important the topic is relative to the page.

WEBSITE SPEED

tech12h.com website speed is normal. Page speed is important for visitors and search engines.

Get insights to improve your page loading time.

Page Loading Time

0.9s

This domain loads at the median speed of 0.9 seconds.

Speed Percentile

82%

tech12h.com is faster than approximately 82 percent of the web. Your website page speed needs to be as fast as you can make it, without compromising the customer experience.

A good goal to achieve is a loading time of 2 seconds on desktop and mobile devices.

PAGESPEED INSIGHTS

Page on which speed is tested live:

Chrome User Experience Report Results

Lighthouse Results

TRAFFIC

This website is ranked #55.788 by Alexa.

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

Daily visitors by country

  • tech12h.com daily visitors distribution - Total: 1 country
  • Flag for Viet NamViet Nam (95.7%)
  • Flaf icon for other countryOthers (4.3%)

Traffic country ranks

Country Rank
Flag for Viet NamViet Nam #396

LAYOUT

Doctype HTML5 Arrow Responsive website, mobile-friendly. Arrow

Mobile Rendering

This website seems to be optimized for Mobile Visitors.

Phone
How tech12h.com looks like on a mobile device such as an iPhone.

Tablet
How tech12h.com looks like on a tablet such as an iPad.

Main colors used

These are the main HTML color codes used by this website. Arrow
  • 50% #ffffff
  • 20% #f0f0f0
  • 4% #f0ffff
  • 4% #0080d0
  • 2% #fffff0
  • 2% #2070b0
  • 1% #c0e0f0
  • 1% #1080c0
  • 1% #80b0d0
  • 1% #4080b0
  • 1% #70c0e0
  • 1% #f0fff0

Text/code ratio

tech12h.com's text/code ratio is 6.48%. 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 6.48%

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 Arrow up

Great, we found headings on this page.

  • <H1> 0
  • <H2> 17
  • <H3> 0
  • <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>
2nd level heading
Toán học
Soạn văn
Tiếng anh
Vật lý
Lịch sử
Alt attributes Arrow up

We found 9 images on this website.
2 ALT attributes are missing on your image tags.

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 2 images on tech12h.com. Check your website to make sure it's specified for each image on the page.

SOCIAL MEDIA PRESENCE

This is an overview of your homepage shares on social networks.

You're doing quiet good on social media!

Social shares are a key signal, among many others, that search engines use to evaluate the rankings of a website. Asking people to share your pages, adding visible social share buttons and make great quality content are 3 of the most powerful ways to grow your social presence.

  • Facebook iconFacebook
  • Total Engagement 301
  • Likes 95
  • Shares 101
  • Comments 88

DOMAIN REGISTRAR

Domain Registrar P.A. VIET NAM COMPANY LIMITED
Registration Date 05/22/2015 9 years, 6 months ago
Last Modified 08/15/2019 5 years, 3 months, 4 days ago
Expiration Date 05/22/2021 Expired
Nameservers Arrow up
Host IP Address Country
merlin.ns.cloudflare.com 173.245.59.205 Flag for United StatesUnited States
nora.ns.cloudflare.com 173.245.58.213 Flag for United StatesUnited States

SERVER DETAILS

Server map
  • Service Provider (ISP)
  • Cloudflare, Inc.
  • IP Address
  • 104.26.3.72
  • Country
  • Flag for United StatesUnited States
  • Region
  • Virginia , Ashburn
  • Latitude and Longitude
  • 39.0438 : -77.4874
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