✅ 6 criteria passed
❌ 5 criteria to solve
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Trang khóa học, tài liệu, đề thi, website giáo dục nhiều người truy cậ...
https://vietjack.com
Trang khóa học, tài liệu, đề thi, website giáo dục nhiều người truy cập nhất Việt Nam)
https://vietjack.com
Trang khóa học, tài liệu, đề thi, website giáo dục nhiều người truy cậ...
Trang khóa học, tài liệu, đề thi, website giáo dục nhiều người truy cập nhất Việt Nam)
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.
| Attribute | Value |
| ⓘ viewport | width=device-width,initial-scale=1.0,user-scalable=yes |
| ⓘ author | vietjack.com |
ⓘ 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 vietjack.com.
Each concept has a confidence score. The higher it is, the more important the topic is relative to the page.
| Topics |
| Việt Nam Confidence: 100% |
❌ vietjack.com website speed is normal. Page speed is important for visitors and search engines.
Get insights to improve your page loading time.
This domain loads at the median speed of 0.9 seconds.
vietjack.com is faster than approximately 81 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.
ⓘ This website is ranked #14.146 by Alexa.
This rank is traffic based. The lower the rank is, the better the domain is ranked.
| Country | Rank |
 Viet Nam |
#86 |
Mobile Rendering
This website seems to be optimized for Mobile Visitors.
Phone
Tablet
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.
Great, we found headings on this page.
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.
| 2nd level heading |
| Danh mục giải bài tập và soạn bài |
| Liên hệ với chúng tôi |
| 3rd level heading |
| Sách giáo khoa (10) |
| Sách/vở bài tập (10) |
| Đề kiểm tra (9) |
| Chuyên đề & trắc nghiệm (7) |
| Ngữ pháp tiếng anh |
| Lập trình java |
| Phát triển web |
| Lập trình c, c++, python |
| Cơ sở dữ liệu |
| Top các khóa học thpt được xem nhiều nhất |
| Các khóa học cấp 1 & cấp 2 bán chạy |
| Giáo viên tại vietjack.com |
For a better readability, only the first 20 <H4> tags are shown below.
| 4th level heading |
| Lớp 3 |
| Tiếng việt (3) |
| Toán (10) |
| Tin học (10) |
| Tiếng anh (11) |
| Đạo Đức |
| Tự nhiên & xã hội |
| Lớp 4 |
| Lịch sử & Địa lí (2) |
| Khoa học (2) |
| Đạo đức (2) |
| Lớp 5 |
| Lớp 6 |
| Ngữ văn (7) |
| Vật lí (7) |
| Công nghệ (7) |
| Sinh học (7) |
| Địa lí (7) |
| Lịch sử (7) |
| Giáo dục công dân (7) |
We found 31 images on this website.
29
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 29 images on vietjack.com. Check your website to make sure it's specified for each image on the page.
For a better readability, only the first 50 internal links are shown below.
For a better readability, only the first 50 external links are shown below.
Others (4.6%)
SOCIAL MEDIA PRESENCE
You have a relatively high presence on social media, keep going!
The more people share your website, the more likely you will get links from others, which is a key point when it comes to improving your overall search engine rankings.