Dethi.violet.vn - SEO Checker

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Overview of the SEO Check
Meta information
95% 
Page quality
80% 
Page structure
75% 
Link structure
18% 
Server
29% 
External factors
100% 
SEO Score
Response time
1.52 s
File size
45.80 kB
Words
1062
Media files
46
Number of links
137 internal / 30 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
Thư viện Đề thi & Kiểm tra
The length of the page title is perfect. (238 pixels out of 580 max pixel length)
There are no duplicate words in the title
Meta description
(Critically important)
Mạng xã hội của cộng đồng giáo viên Việt Nam, nơi giao lưu kiến thức và chia sẻ tài nguyên dạy học
The length of the meta description is perfect. (619 pixels out of 1000 max pixel length)
Crawlability
(Critically important)
There are no problems in accessing the website.
Canonical URL
(Important)
No canonical link is specified.
Language
(Somewhat important)
Language detected in text: vi
Language defined in HTML: en
Language defined in meta tags: vi
Server location: Viet Nam
There are different language information within the page markup.
The following language is defined by HTML: vi
Alternate/Hreflang Links
(Somewhat important)
There are no alternate links specified on this page.
Other meta tags
(Somewhat important)
There is no rel next meta tag on this page.
There is no rel prev meta tag on this page.
Domain
(Somewhat important)
This page is hosted on a subdomain. Use a top level domain for better SEO results.
The domain does not contain non-latin characters.
Page URL
(Somewhat important)
No parameters were found in the URL.
No session ID was found in the URL.
The URL does not have too many subdirectories.
Charset encoding
(Somewhat important)
The charset encoding (UTF-8) is set correctly.
Doctype
(Nice to have)
The doctype XHTML 1.0 Transitional is set correctly.
The doctype is placed at first in the HTML code.
Favicon
(Nice to have)
No favicon is linked in the HTML code.

Meta tags

NameValue
titleThư viện Đề thi & Kiểm tra
descriptionMạng xã hội của cộng đồng giáo viên Việt Nam, nơi giao lưu kiến thức và chia sẻ tài nguyên dạy học
robotsindex, follow
keywordsblog, mang xa hoi, giao duc, giao vien, giang day, day hoc, e-learning, tai lieu
languagevi
langen
Content-Typetext/html; charset=UTF-8

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Page quality

Content
(Critically important)
The average number of words per sentence of 26.25 words is high.
This page contains 1062 words. That's ok.
15.7% of the text are stop words.
Keywords used in the page title are also used in the page content. That's good!
The page contains a listing, which indicates a good text layout.
4 paragraphs were found on this page.
The text content is perfect.
No placeholders texts or images were found.
There are no duplicates on the site.
Frames
(Critically important)
This page does not use a frameset.
Mobile optimization
(Somewhat important)
No viewpoint tag is provided.
No Apple touch icon is specified.
This page loads 8 JavaScript files. This may affect the load time negatively.
Bold and strong tags
(Somewhat important)
The usage of strong and bold tags is perfect. We recommend the use of up to 21 tags for this page.
Image SEO
(Somewhat important)
Alt text (alternative text) is correctly used on all found images.
Social Networks
(Nice to have)
There are only a few social sharing widgets on the page. Make your website popular in social networks with social sharing widgets.
Additional markup
(Nice to have)
No additional page markup was found.
HTTPS
(Somewhat important)
This website uses HTTPS to protect privacy and integrity of the exchanged data.
All included files are also transferred via HTTPS.

Media list

URLAlt attributeTitle
...et.vn/uploads/blogs/21/layout/violet.pngViolet
...let.vn/uploads/blogs/21/layout/dethi.pngDethi
...uploads/blogs/10/entrythumb/12087057.jpg12087057
...uploads/blogs/10/entrythumb/12072596.jpg12072596
...umbnails/present/5/340/315/thumbnail.jpgThumbnail
...umbnails/present/5/340/314/thumbnail.jpgThumbnail
...umbnails/present/5/323/103/thumbnail.jpgThumbnail
...umbnails/present/5/357/737/thumbnail.jpgThumbnail
...umbnails/present/5/357/656/thumbnail.jpgThumbnail
...umbnails/present/5/357/655/thumbnail.jpgThumbnail
...umbnails/present/5/357/813/thumbnail.jpgThumbnail
...umbnails/present/5/357/778/thumbnail.jpgThumbnail
...umbnails/present/5/357/764/thumbnail.jpgThumbnail
...umbnails/present/5/357/653/thumbnail.jpgThumbnail
...umbnails/present/5/357/499/thumbnail.jpgThumbnail
...umbnails/present/5/357/498/thumbnail.jpgThumbnail
...umbnails/present/5/357/454/thumbnail.jpgThumbnail
...umbnails/present/5/357/245/thumbnail.jpgThumbnail
...umbnails/present/5/354/838/thumbnail.jpgThumbnail
...umbnails/present/5/357/773/thumbnail.jpgThumbnail
...umbnails/present/5/357/772/thumbnail.jpgThumbnail
...umbnails/present/5/357/771/thumbnail.jpgThumbnail
...umbnails/present/5/355/940/thumbnail.jpgThumbnail
...umbnails/present/5/354/827/thumbnail.jpgThumbnail
...umbnails/present/5/354/129/thumbnail.jpgThumbnail
...umbnails/present/5/351/139/thumbnail.jpgThumbnail
...umbnails/present/5/338/585/thumbnail.jpgThumbnail
...umbnails/present/5/328/961/thumbnail.jpgThumbnail
...umbnails/present/5/357/543/thumbnail.jpgThumbnail
...umbnails/present/5/353/929/thumbnail.jpgThumbnail
...umbnails/present/5/353/465/thumbnail.jpgThumbnail
...umbnails/present/5/351/731/thumbnail.jpgThumbnail
...humbnails/present/5/347/74/thumbnail.jpgThumbnail
...umbnails/present/5/341/737/thumbnail.jpgThumbnail
...umbnails/present/5/355/962/thumbnail.jpgThumbnail
...umbnails/present/5/353/481/thumbnail.jpgThumbnail
...umbnails/present/5/350/108/thumbnail.jpgThumbnail
...thumbnails/avatar/0/477/627/0-avatar.jpg0-avatar
...ds/thumbnails/avatar/9/549/72/avatar.jpgAvatar
...humbnails/avatar/14/562/593/0-avatar.jpg0-avatar
...thumbnails/avatar/3/535/854/0-avatar.jpg0-avatar
.../uploads/thumbnails/avatar/no_avatar.jpgNo_avatar
.../uploads/thumbnails/avatar/no_avatar.jpgNo_avatar
...thumbnails/avatar/0/364/391/0-avatar.jpg0-avatar
...uploads/thumbnails/avatar/no_avatarf.jpgNo_avatarf
https://qc.violet.vn/img/ta123.jpgTA123

Page structure

H1 heading
(Critically important)
There is no H1 heading specified.
Headings
(Important)
The structure of headings is missing one or more levels. Do not skip heading levels.
Some headings do not have any content.

Heading structure

Heading levelContent
H2 Thư mục
H2 Các ý kiến mới nhất
H2 Thành viên trực tuyến
H2 Đăng nhập
H2 Tin tức cộng đồng
H2 Tin tức thư viện
H2 Hướng dẫn sử dụng thư viện
H2 Hỗ trợ kĩ thuật
H2 Liên hệ quảng cáo
H2 Tìm kiếm Đề thi, Kiểm tra
H2 Empty heading
H2 Empty heading
H4 5 điều đơn giản cha mẹ nên làm mỗi ngày để con hạnh phúc hơn
H4 Chức năng Dừng xem quảng cáo trên violet.vn
H4 Xác thực Thông tin thành viên trên violet.vn
Some internal links have dynamic parameters. All internal URLs, which are not marked as nofollow, should not contain dynamic parameters.
Some anchor texts are used more than once.
The number of internal links is ok.
None of the anchor texts is too long.
There are too many external links (30) on this page.

Found links on this page

LinkAttributesAnchor text
https://violet.vn/External IMG-ALT Violet
https://dethi.violet.vn/Subdomain IMG-ALT Dethi
https://violet.vn/External ViOLET.VN
https://baigiang.violet.vn/External Subdomain Bài giảng
https://giaoan.violet.vn/External Subdomain Giáo án
https://dethi.violet.vn/Subdomain Đề thi & Kiểm tra
https://tulieu.violet.vn/External Subdomain Tư liệu
https://hoctructuyen.violet.vn/External Subdomain E-Learning
http://daotao.violet.vn/External Subdomain Kỹ năng CNTT
https://violet.vn/category/huo...External Trợ giúp
/present/tai-lieu-bo-tro-tieng...Subdomain Anchor Tài liệu rất bổ ích, em cám ơn cô giáo...
/present/bo-50-de-on-thi-tot-n...Subdomain Anchor Em cám ơn thầy đã chia sẻ cho cộng đồng...
/present/bo-50-de-on-thi-tot-n...Subdomain Anchor BỘ 50 ĐỀ ÔN THI TỐT NGHIỆP THPT MÔN VẬT...
/present/bo-6-de-kiem-tra-ck2-...Subdomain Anchor Thầy có file tổng hợp đáp án không ạ?...
/present/bo-6-de-kiem-tra-ck2-...Subdomain Anchor BỘ 6 ĐỀ -KIỂM TRA- CK2 LÝ 11 - FORM...
/present/de-thi-giua-ki-2-mon-...Subdomain Anchor ...
/present/de-thi-giua-ki-2-mon-...Subdomain Anchor Với thời gian 40 phút đi số câu hỏi của...
/present/lich-su-va-dia-li-5-d...Subdomain Anchor Cám ơn tác giả đã chia sẻ tài liệu kèm...
/present/lich-su-va-dia-li-5-d...Subdomain Anchor Rất chi tiết và đầy đủ!!...
/present/de-tn-2025-14620495.h...Subdomain Anchor Phần này có đáp án không ạ?...
/present/de-tn-2025-14620495.h...Subdomain Anchor Đề thi TN năm 2025 chính thức của Bộ GD...
/present/de-hk2-global-11-form...Subdomain Anchor Text duplicate ...
/present/de-hk2-global-11-form...Subdomain Anchor Đề HK 2 Global 11 Form 2025 (có đáp án...
/present/kiem-tra-1-tiet-14625...Subdomain Anchor Tác giả có đáp án thì chia sẻ cho mình...
/user/show/id/10496274Nguyễn Chí Thanh
/user/show/id/1777312Nguyễn Thị Đến
/user/show/id/434311Phạm Ngọc Duy
/user/show/id/5387566Tống Thị Lượng
/user/show/id/12880388Bùi Thị Vân
/user/show/id/4675977Nguyễn Thị Lệ Thi
/user/show/id/472202Nguyễn Văn Tư
/user/show/id/13104348Nguyễn Hoàng Tùng
/user/show/id/11490537Huỳnh Văn Ô
/user/show/id/15124583Võ Thị Anh Thư
/user/show/id/3437265Nguyễn Thị Minh Hiến
/user/show/id/2693232Võ Ngọc Dũng
/user/show/id/3614319Nguyễn Văn Luân
/user/show/id/7184257Vũ Thị Thu Hiền
https://violet.vn/entry/5-dieu...New window External 5 điều đơn giản cha mẹ nên làm mỗi ngày để con hạnh phúc hơn
https://violet.vn/entry/ha-noi...External Hà Nội công bố cấu trúc định dạng đề minh họa 7 môn thi lớp 10 năm 2025
https://violet.vn/entry/23-tri...External 23 triệu học sinh cả nước chính thức bước vào năm học đặc biệt
https://violet.vn/category/tin...New window External Xem tiếp
https://violet.vn/entry/chuc-n...New window External Chức năng Dừng xem quảng cáo trên violet.vn
https://violet.vn/entry/chuc-n...New window External IMG-ALT 12087057
https://violet.vn/entry/khac-p...External Khắc phục hiện tượng không xuất hiện menu Bộ công cụ Violet trên PowerPoint và Word
https://violet.vn/entry/thu-ng...External Thử nghiệm Hệ thống Kiểm tra Trực tuyến ViOLET Giai đoạn 1
https://violet.vn/category/tin...New window External Text duplicate Xem tiếp
https://violet.vn/entry/xac-th...New window External Xác thực Thông tin thành viên trên violet.vn
https://violet.vn/entry/xac-th...New window External IMG-ALT 12072596
https://violet.vn/entry/quan-l...External Bài 4: Quản lí ngân hàng câu hỏi và sinh đề có điều kiện
https://violet.vn/entry/tao-de...External Bài 3: Tạo đề thi trắc nghiệm trực tuyến dạng chọn một đáp án đúng
https://violet.vn/entry/tao-ca...External Bài 2: Tạo cây thư mục chứa câu hỏi trắc nghiệm đồng bộ với danh mục SGK
https://violet.vn/entry/huong-...External Bài 1: Hướng dẫn tạo đề thi trắc nghiệm trực tuyến
https://violet.vn/entry/lay-la...External Lấy lại Mật khẩu trên violet.vn
https://violet.vn/entry/kich-h...External Kích hoạt tài khoản (Xác nhận thông tin liên hệ) trên violet.vn
https://violet.vn/entry/dang-k...External Đăng ký Thành viên trên Thư viện ViOLET
https://violet.vn/entry/tao-we...External Tạo website Thư viện Giáo dục trên violet.vn
https://violet.vn/entry/ho-tro...External Hỗ trợ trực tuyến trên violet.vn bằng Phần mềm điều khiển máy tính từ xa TeamViewer
https://violet.vn/category/huo...New window External Text duplicate Xem tiếp
/category/mam-non-58018.htmlXem tất cả
/category/mam-non-58018.htmlMẦM NON
/present/danh-gia-phan-loai-vi...IMG-ALT Thumbnail
/present/danh-gia-phan-loai-vi...Danh gia phan loai vien chuc 2024 2025 bao ve
/present/danh-gia-phan-loai-vi...Text duplicate IMG-ALT Thumbnail
/present/danh-gia-phan-loai-vi...Danh gia phan loai vien chuc 2024 2025
/present/lam-quen-voi-toan-4-t...Text duplicate IMG-ALT Thumbnail
/present/lam-quen-voi-toan-4-t...lam quen voi toan 4 tuoi
/category/tieu-hoc-chuong-trin...Text duplicate Xem tất cả
/category/tieu-hoc-chuong-trin...TIỂU HỌC (CHƯƠNG TRÌNH MỚI)
/present/de-on-tap-cuoi-ki-ii-...Text duplicate IMG-ALT Thumbnail
/present/de-on-tap-cuoi-ki-ii-...đề ôn tập cuối kì II
/present/bai-tap-hang-ngay-toa...Text duplicate IMG-ALT Thumbnail
/present/bai-tap-hang-ngay-toa...Bài tập hằng ngày toán 4 tập 2
/present/de-on-he-lop-3-len-4-...Text duplicate IMG-ALT Thumbnail
/present/de-on-he-lop-3-len-4-...đề ôn hè lớp 3 lên 4
/category/thcs-chuong-trinh-mo...Text duplicate Xem tất cả
/category/thcs-chuong-trinh-mo...THCS (CHƯƠNG TRÌNH MỚI)
/present/toan-6-so-chinh-phuon...Text duplicate IMG-ALT Thumbnail
/present/toan-6-so-chinh-phuon...toán 6 số chính phương
/present/14-cau-luyen-ve-hinh-...Text duplicate IMG-ALT Thumbnail
/present/14-cau-luyen-ve-hinh-...14 câu luyện vẽ hình - ôn hè 6 lên 7
/present/lop-8-present-simple-...Text duplicate IMG-ALT Thumbnail
/present/lop-8-present-simple-...Lớp 8 Present simple Present continuous Past simple Past continuous
/category/thpt-chuong-trinh-mo...Text duplicate Xem tất cả
/category/thpt-chuong-trinh-mo...THPT (CHƯƠNG TRÌNH MỚI)
/present/tong-hop-tu-vung-tien...Text duplicate IMG-ALT Thumbnail
/present/tong-hop-tu-vung-tien...TỔNG HỢP TỪ VỰNG TIẾNG ANH 12 (GLOBAL SUCCESS)
/present/tai-lieu-bo-tro-unit-...Text duplicate IMG-ALT Thumbnail
/present/tai-lieu-bo-tro-unit-...Tài liệu bổ trợ Unit 5
/present/tai-lieu-bo-tro-tieng...Text duplicate IMG-ALT Thumbnail
/present/tai-lieu-bo-tro-tieng...Tài liệu bổ trợ Tiếng Anh 10 Unit 3
/category/tieu-hoc-99733.htmlText duplicate Xem tất cả
/category/tieu-hoc-99733.htmlTIỂU HỌC
/present/lop-6-de-cuong-on-thi...Text duplicate IMG-ALT Thumbnail
/present/lop-6-de-cuong-on-thi...Lớp 6. Đề cương ôn thi
/present/toan-hoc-3-14630368.htmlText duplicate IMG-ALT Thumbnail
/present/toan-hoc-3-14630368.htmlToán học 3
/present/de-1-bai-1-thanh-phan...Text duplicate IMG-ALT Thumbnail
/present/de-1-bai-1-thanh-phan...ĐỀ 1 Bài 1 Thành phần và vai trò của đất
/category/trung-hoc-co-so-8362...Text duplicate Xem tất cả
/category/trung-hoc-co-so-8362...TRUNG HỌC CƠ SỞ
/present/lop-9-14634893.htmlText duplicate IMG-ALT Thumbnail
/present/lop-9-14634893.htmlLớp 9.
/present/lop-9-14634892.htmlText duplicate IMG-ALT Thumbnail
/present/lop-9-14634892.htmlText duplicate Lớp 9.
/present/lop-9-14634891.htmlText duplicate IMG-ALT Thumbnail
/present/lop-9-14634891.htmlText duplicate Lớp 9.
/category/trung-hoc-pho-thong-...Text duplicate Xem tất cả
/category/trung-hoc-pho-thong-...TRUNG HỌC PHỔ THÔNG
/present/de-tn-thpt-quoc-gia-2...Text duplicate IMG-ALT Thumbnail
/present/de-tn-thpt-quoc-gia-2...Đề TN THPT quốc gia 2025 (có đáp án)
/present/kiem-tra-1-tiet-14625...Text duplicate IMG-ALT Thumbnail
/present/kiem-tra-1-tiet-14625...Kiểm tra 1 tiết
/present/su-chuyen-the-1462428...Text duplicate IMG-ALT Thumbnail
/present/su-chuyen-the-1462428...Sự chuyển thể
/category/thpt-nang-cao-836289...Text duplicate Xem tất cả
/category/thpt-nang-cao-836289...THPT (NÂNG CAO)
/present/de-tn-2025-14620495.htmlText duplicate IMG-ALT Thumbnail
/present/de-tn-2025-14620495.htmlĐề TN 2025
/present/de-thi-thu-tn-thpt-mo...Text duplicate IMG-ALT Thumbnail
/present/de-thi-thu-tn-thpt-mo...Đề thi thử TN THPT môn toán năm 2025
/present/toan-12-14528747.htmlText duplicate IMG-ALT Thumbnail
/present/toan-12-14528747.htmlToán 12
/category/de-thi-thpt-quoc-gia...Text duplicate Xem tất cả
/category/de-thi-thpt-quoc-gia...ĐỀ THI THPT QUỐC GIA
/present/lop-11-14632800.htmlText duplicate IMG-ALT Thumbnail
/present/lop-11-14632800.htmlLớp 11.
/present/de-thi-thu-tn-thpt-ng...Text duplicate IMG-ALT Thumbnail
/present/de-thi-thu-tn-thpt-ng...Đề thi thử TN THPT Ngữ văn (Đề + Đáp án)
/present/de-thi-tot-nghiep-mon...Text duplicate IMG-ALT Thumbnail
/present/de-thi-tot-nghiep-mon...Đề thi tốt nghiệp môn Sinh (có đáp án) năm 2025
/category/cao-dang-dai-hoc-580...Text duplicate Xem tất cả
/category/cao-dang-dai-hoc-580...CAO ĐẲNG - ĐẠI HỌC
/present/bai-kiem-tra-hoc-phan...Text duplicate IMG-ALT Thumbnail
/present/bai-kiem-tra-hoc-phan...BÀI KIỂM TRA HỌC PHẦN: COMMUNICAT SKILLS
/present/li-luan-chinh-tri-cd-...Text duplicate IMG-ALT Thumbnail
/present/li-luan-chinh-tri-cd-...li luan chinh tri cd dh
/present/tap-tho-troi-moi-ngay...Text duplicate IMG-ALT Thumbnail
/present/tap-tho-troi-moi-ngay...Tập thơ "TRỜI MỖI NGÀY LẠI SÁNG" (theo ... họс - ĐHQGHN)
/category/de-thi-khac-2676.htmlText duplicate Xem tất cả
/category/de-thi-khac-2676.htmlĐỀ THI KHÁC
/present/lop-7-de-thi-hoc-ki-1...Text duplicate IMG-ALT Thumbnail
/present/lop-7-de-thi-hoc-ki-1...Lớp 7. Đề thi học kì 1
/present/nghi-dinh-152-2025-nd...Text duplicate IMG-ALT Thumbnail
/present/nghi-dinh-152-2025-nd...Nghị định 152/2025/N Thi hành một số điều ... đua khen thưởng
/present/tuong-thuat-bi-dong-1...Text duplicate IMG-ALT Thumbnail
/present/tuong-thuat-bi-dong-1...Tường Thuật - Bị Động
/block/activemember/active_typ...Tất cả
/block/activemember/active_typ...Tuần này
/block/activemember/active_typ...Hôm nay
/user/show/id/477627IMG-ALT 0-avatar
/user/show/id/477627Đỗ Văn Hùng
/user/show/id/9549072IMG-ALT Avatar
/user/show/id/9549072Nhữ Thị Thủy
/user/show/id/14562593Text duplicate IMG-ALT 0-avatar
/user/show/id/14562593Hoàng Trọng Kỳ Anh
/user/show/id/3535854Text duplicate IMG-ALT 0-avatar
/user/show/id/3535854Lai Thi Sen
/user/show/id/14908360IMG-ALT No_avatar
/user/show/id/14908360Võ Việt Khởi
/user/show/id/14587041Text duplicate IMG-ALT No_avatar
/user/show/id/14587041Lương Trung Nguyên
/user/show/id/364391Text duplicate IMG-ALT 0-avatar
/user/show/id/364391Lê Thị Tuyết
/user/show/id/318015IMG-ALT No_avatarf
/user/show/id/318015Phạm Thị Hân
https://www.tienganh123.com/?s...New window External Subdomain IMG-ALT TA123

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://dethi.violet.vn/"
HTTP header
(Important)
The used PHP version is outdated and may be a security risk.
The used PHP version is outdated and may be a security risk.
The web server version is sent within the HTTP header.
The X-powered header is sent within the response header. (unnecessary)
The web server transmits the web page (HTML) in compressed form.
Performance
(Somewhat important)
The page response time is very slow (1.52 seconds). The response time should be less than 0.4 seconds. Slow websites are bad for search engine bots and also result in bad user experience.
This page loads 8 JavaScript files. This may affect the load time negatively.
This page only loads 2 CSS files. That's ok.
The file size of the HTML document is fine (46 kB).

HTTP Response Header

NameValue
dateSun, 03 Aug 2025 02:23:27 GMT
serverApache/2.4.6 (CentOS) OpenSSL/1.0.2k-fips PHP/5.4.16
x-powered-byPHP/5.4.16
set-cookie42 Characters
expiresThu, 19 Nov 1981 08:52:00 GMT
cache-controlno-store, no-cache, must-revalidate, post-check=0, pre-check=0
pragmano-cache
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            dethi.violet.vn
Thư viện Đề thi & Kiểm tra

Mạng xã hội của cộng đồng giáo viên Việt Nam, nơi giao lưu kiến thức và chia sẻ tài nguyên dạy học
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ViOLET58%Check
Thư54%Check
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thư viện54%Check
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cộng50%Check
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