Join SEOCert LinkedIn Group Join SEOCert Group

DMV Practice Permit Test Free UK Driving Theory Test Driver's Knowledge Test Australia Singapore Basic Theory Test favicon Cùng Chơi Nhạc | Sheet Nhạc | Sheet Music | Style Yamaha | Yamaha Styles | Nhạc MIDI | Lời Bài Hát | Lyrics | Học Nhạc | Mạch Điện Estimated Worth : 5,790 $

If you happend to be the owner/webmaster of this site (, and do not want this report to be generated, please Contact Us, and I will look into it.
If you believe the site ( contains inappropriate content (adult, spam, malware, low trust info or so), please Contact Us and let me know. Each and everyone of us play a part, togetehr we could make the internet a better place!
Overall SEO Report For
Excellent Practice7
Improvement Could be Made8
Critical Issues to Attend4
SEO Score :

IP address of is : The domain was created on 2011-08-24 and it is 2 years, 340 days old. It will expire on 2016-08-24 which is 2 years, 25 days from today. The homepage of website has a size of 59916 bytes, and a text size of 11293 bytes, its Text to Code Ratio is 23.23% Homepage of has 182 links, 181 link to internal pages, while 1 link to pages on other websites. It takes 0.48 s ( 126.06 Kb/s ) to load the website Rating: 3.0 / 5.0 Stars by SEOCert

SEO Report Cached Since : 2014-07-28 13:57     Update Now >>

Content Analysis



Cùng Chơi Nhạc | Sheet Nhạc | Sheet Music | Style Yamaha | Yamaha Styles | Nhạc MIDI | Lời Bài Hát | Lyrics | Học Nhạc | Mạch Điện

Words count: 33    Unique Words: 20    Length: 151 characters
[ To optimize the page title, Use this SEO Title Optimizer ]

Repeat Terms in the Title tag
Term cNhiSheetHYamaha
Repeat Count 544222

The title is too long! It has more than 70 characters.

The title will be displayed in search engine results in the form of a direct link to the site.

1. ideally, the title should contain 10 to 70 characters, including spaces. (Google displays up to 70 characters in the title, and takes into account only the first 12 words.)
2. put the most important and relevant keywords in the title, try not to repeat any word.
3. each individual page should have a unique title.

: Cùng chơi nhạc với các sheet nhạc, sheet music, style yamaha, yamaha styles, nhạc midi, midi, lời bài hát, lyrics, học nhạc, học đàn guitar, học đánh trống, mạch điện tử, electric circuits, ampli karaoke, dàn mixer, board echo, mạch hifi, hi fi, mostfet circuits...

Words count: 64    Length: 304 characters
[ To optimize the page description, Use this SEO Meta Description Optimizer ]

The description is too long! It has more than 160 characters

Meta Descriptions provide concise explanations of the contents of web pages, that are commonly used by search engines on search result pages to display preview snippets for a given page.

1. it is best to keep meta descriptions between 70-160 characters.
2. a readable, compelling description using important keywords can draw a much higher click-through rate of searchers to the given web page.
3. avoid keyword stuffing, ensure each page has its own unique description.

: sheet nhac,sheet music, sheet music download, music notes, style yamaha, yamaha styles, style yamaha download, midi, midi files, midi download, loi bai hat, lyrics, hoc guitar, hoc piano, hifi, hi fi, ampli karaoke, op amp circuits, electric circuits

Words count: 39    Length: 250 characters    keyword phrases count : 19

The keywords contains more than 20 words!
[ To optimize the meta keywords, Use this SEO Meta Keywords Optimizer ]

Keyword Occurrences in Different Sections
keyword domain title descriptionheadingcontent
1 word keywords :16% (3/19)
midi 2   (0.33%)
lyrics 1   (0.16%)
hifi 0   (0%)
2 words keyword phrases :63% (12/19)
sheet nhac 12   (1.98%)
sheet music 15   (2.47%)
music notes 5   (0.82%)
style yamaha 7   (1.15%)
yamaha styles 4   (0.66%)
midi files 2   (0.33%)
midi download 3   (0.49%)
hoc guitar 3   (0.49%)
hoc piano 2   (0.33%)
hi fi 0   (0%)
ampli karaoke 16   (2.64%)
electric circuits 0   (0%)
3 words keyword phrases :21% (4/19)
sheet music download 16   (2.64%)
style yamaha download 8   (1.32%)
loi bai hat 11   (1.81%)
op amp circuits 0   (0%)

Meta keywords should not be ignored, though they are not a major ranking factor for most of search engines nowadays. A Meta keywords tag is supposed to be a brief and concise list of the most important themes of your page

1. keep your list of keywords or keyword phrases down to 10 - 20 unique words or phrases.
2. separate the words or phrases using a comma (you do not need to leave a space between words separated by commas).
3. do not repeat words or phrases.
4. put your most important word or phrases at the beginning of your list.
Charset : utf-8
Language : vi-vn
Shortcut Icon


Excellent! the website has a shortcut favicon image.


: the website does not have a RSS Feed.

Google Analytics

: UA-29649441-1

Excellent! the website implements Google Analytics.

DMOZ Listing

: No

Your site is not listed in the DMOZ Open Directory. DMOZ Open Directory Project


: No Trustworthiness Score is calculated for the site.

0 - 19 20 - 39 40 - 59 60 - 79 80 - 100
Very Poor Poor Unsatisfactory Good Excellent

Users are concerned about the safety of their online transactions. Trustworthiness rating is based on real user ratings and that tells you how much other users trust this site, so do the serch engines. note: this trustworthiness score is provided by WOT (Web of Trust).

1. pay attention to the look and design of your site, many people look for visual cues when assessing a site`s credibility
2. make your site easy to use, sites that are easy to navigate are perceived as being more trustworthy.
3. make it easy for user to contact you, users will be more comfortable and feel more secured shall they need to get in touch with you.
Safe Browsing

: Safe! the site is NOT currently listed as suspicious, most-likely it is clean from malware and phining code [ verify this by Google Safe Browsing ]

Ensure that your site is malware free and does not cause harm to users` computers.

1. do not put virus, malicious worms, adwares, trojans, spywares and suspicious phishing code in your server.
2. take suspecious behavious seriously, have a regualr checkup and monitor closely of your server`s log files.
3. if your site is black-listed by google as suspecious, clean it up before requestiong for a review.
Total Size

: 60 Kb (59,916 bytes)

Excellent! the page size is just nice, that is within 30K-150K!

Page size affects the speed of your website.

1. try to keep you page size between 30K-150K
2. put javascript and style sheet in separate files, and link them to the main page.
3. use optimized images for web and set up your server with gzip for downloading
Text To Code Ratio

Total Size Text Size HTML Code Size Text/HTML Code Ratio
60 Kb (59,916 bytes) 11 Kb (11,293 bytes) 49 Kb (48,623 bytes) 23.23 %

Excellent! the text to html code ratio is just nice, that is within 15%-70%!

the ratio of text to HTML code should always be above 15% for good SEO gain,
it is below 15% then that means that your website probably needs more text content.

1. a ratio between 25% and 70% is ideal, when it goes beyond than that, the page might run the risk of being considered as spam. As long as the content is relevant and gives essential information, it is a plus point to have more of it.
2. improve your SEO by adding more relevant text to your pages and also increasing your keyword density.
Loading Time

: 0.48 seconds - 124.83 Kb/s
[ To improve the speed by using these Free online Website Speed Testing Tools ]

Excellent! the site is pretty fast and it takes less than 1 second to load.

Estimated loading time for different internet connections
Optical Fibre
8.56 s 0.07 s 0.06 s 0.02 s 4.79 ms

Site speed is becoming an crucial ranking factor. Slow page loading is one of the biggest complains of web users. If the loading time is too long, you may need to check your server, network, or system codes and structure.

1. ideal loading time is less than 1 seconds, if it take more than 5 seconds to load your site, likely users will run out of patience, so do search engines.
2. improve your SEO by optimizing your website to have a small size and faster responding server.

Internal Links
(link to pages within this domain)
External Links
(link to pages on other websites)
181 1 182

Too many links (182), it may be considered as spam!

Internal Links (link to pages within this domain) - 181
URL Anchor Textạn quên Mật khẩu?Đăng ký Chủ Nhạc Yamahaạc MIDIời Nhạcọc Nhạcạch Điện đổi
...ttp:// chuyển hệ Echo 3D >> Ec...ướng dẫn sử dụng
...tro-mach-dien/cac-loi-pho-bien-khi-su-dung-bo-chuyen-he-echoCác lỗi thường gặp và...
...c-ban-bo-chuyen-he-echo-3d-dung-nang-cap-ampli-karaoke-mixerPhỏng vấn cCn về việc ...ách đấu nối mạch mic,...
...m/trao-doi/khuyech-dai-cong-suat/hoi-ve-board-cong-suat-amlyHỏi về board công suất ...
.../echo/danh-gia-ve-mach-digital-reverb-board-vang-roi-jarguarĐánh giá về mạch Digita...
.../ạch Công Suất Peavey 720...ật Ký Của Mẹạch echo M65831
...ttp:// chuyển hệ Echo 3D dùng...ền Quê Tôi Mic 4558 x 5, Lo Mid NF Hi van nguyenguyen van nguy...
...huyech-dai-cong-suat/mach-khuyech-dai-cong-suat-meo-rat-thapMạch khuyếch đại công ...ách đấu nối mạch mic,...
...m/trao-doi/khuyech-dai-cong-suat/hoi-ve-board-cong-suat-amlyHỏi về board công suất ...
.../echo/danh-gia-ve-mach-digital-reverb-board-vang-roi-jarguarĐánh giá về mạch Digita...
.../trao-doi/sheet-nhac/xin-sheet-nhac-gap-me-trong-mo-thuy-chixin sheet nhạc gặp me tron... dap
.../trao-doi/ampli/hoat-dong-cua-ampli-dung-cho-loa-phong-thanhHoạt động của ampli dù...ải tiến " độ " boare c...
...ttp://ƠI ẤY CON TÌM VỀ
.../ạch Công Suất Peavey 720...ạch echo M65831
...ttp:// chuyển hệ Echo 3D dùng... Mic 4558 x 5, Lo Mid NF Hi van nguyenguyen van nguy...
...huyech-dai-cong-suat/mach-khuyech-dai-cong-suat-meo-rat-thapMạch khuyếch đại công ...
.../ Mic của máy LX van nguyenguyen van nguy...
...//ách ráp mạch EQ
...h-khuyech-dai-cong-suat/mach-cong-suat-peavey-2000--pv-2000-Mạch công suất peavey 200...ột cách xài Registration ...
...hoc-nhac/hoc-guitar/bo-suu-tap-cac-khuc-dan-solo-doan-giua-1Bộ sưu tập các khúc đ...ài cách xài nút Sync Stopự học đánh trống căn...
...hoc-nhac/hoc-am-nhac/suu-tam-mot-so-cach-lien-ket-cac-hop-amSưu tầm một số cách li...ật Ký Của Mẹền Quê Tôi Ba Khíaười Hát Tình Ca Vẫn Hành Quânỏi thăm sheet pianoốt nhạc bài Yêu Mãi Ng...ần bán đàn ocgan yamaha ...Đàn organ ORGAN Sheet loi bai hat xoa het mình sheet nhạc vọng ...
...//ộp bảo vệ loa Treble >>...ật Ký Của Mẹụi Phấnòng Mẹật Ký Của Mẹùa Xuân Ơi Đưa Em Vềơi Tình Yêu Bắt ĐầuĐám Cưới Trên Đường ...ó Nhớ Đêm Nào Ba Khía Đóa Hồngỗi Đau Xót Xaìm Lại Bầu Trờiếu Như Anh Đến Câu Hứa Đưa Em Về
...// Vạn 6 Ngàn 400 Lần Nh... Ra Xứ Huế Đêm
...:// Khác Hay Em Khác_ Khắc... Đóa Hồng
...ttp://ương Nhau Lý Tơ Hồngật Ký Của Mẹ Cho Tôi Tình Yêu Đưa Em Vềện Ba Mùa Mưa Cho Em Tình Yêu Lên Xứ Hoa Đào Con Số 1 Linh Hồn
...mpli/lam-cach-nao-de-khac-phuc-mach-ampli-karaoke-bi-u-va-reLàm cách nào để khắc p...àm cách nào để giữ nh...ách phân biệt điệu nh...
...cong-suat/nguyen-ly-hoat-dong-cua-mach-khuech-dai-cong-suat-Nguyên lý hoạt động c...ách tự học saxophone cơ...ỏi về mạch đánh bass
...rgan/chi-dum-phan-intro-rai-hop-am-va-dem-hat-bang-dan-organChỉ dùm phần intro, rãi ...
.../ không dây bị hú và... Echo và cách thay thế s...àm sao để học piano nha... Phần Trăm Time For Usỗi Độ Xuân Về Fragile Heart LOVE BEFORE TIME Như Giọt Nắng Sớmêu Nhau Trên Biển Womans Needs Seasons Of Lonelinessáo trúc căn bảnách tìm hợp âm cho bài ...
...c-nhac/hoc-organ/cac-hop-am-organ-co-ban-kieu-bam-3-ngon-tayCác hợp âm organ cơ bản...ương pháp học chơi đ...ương pháp học đàn org...ự học đánh trống căn...
...ttp://ác hợp âm guitar
...ttp:// câu vọng cổộ Hợp Âm Cơ Bản cho C...
...//ự Học Đệm Đàn Guitarướng dẫn đầy đủ v...
.../mach-dien/mach-microphone/kinh-nghiem-khac-phuc-micro-bi-huKinh nghiệm khắc phục mi...
...ttp:// chuyển hệ Echo 3D dùng... nghiệm ráp ampli công... Micro ampli karaoke 4x4558ộ sưu tập bass trebleạch bảo vệ loa, crossov...
...h-dien/mach-khuyech-dai-cong-suat/khuech-dai-cs-dung-tda7294Khuếch đại công suất d...
.../ạch bảo vệ loa độc ...ạch công suất JPA684EQ-T...ới thiệuên hệ địnhên bản

External Links (link to pages on other websites) - 1
URL Anchor Text

reasonable number of links (below 100) per page will give a better user experience.

1. keep the number of links per page below 100.
2. having more than 100 links in a single page will lead to a bad user experience, and it possibly runs into the risk of been considered as spam.
3. search engines may not follow all the links if you have too many of them in a single page.

Style Block In Same Page Links to External Style Files Total
2 2 4

You have 2 style blocks in the same file, try to put them in a separate file.

Links To External Stylesheet Files - 2
Stylesheet URL rel type


Scripts Block In Same Page Links to External Script Files Total
20 13 33

Too many (13) external scripts files , it will slow down the downlaoding.

Links To External Script Files - 13
Script URL Type

put scripts together and link them from an external files rather then put them in the same file as the main page.

1. reduce the use of in-page scripts, put them in separate files and link them in.
2. reduce the number of external script files, it will help browser to make lesser number of http requests from the server.
3. optimize or compress the script files to have smaller size and faster loading.

Total Images Alt Present Alt Missing
42 1 41

41 images do not have Alt values.

Image URL - 42

search engines cannot `see` images, proper Alt content will help them to better understand and index images.

1. always add alt attributes to images. Alt is mandatory for accessibility and for valid XHTML.
2. words used within an image`s Alt attribute should be its text equivalent and convey the same information.
3. use a human-readable caption and descriptive text around the image.


Excellent! The page is using HTML headings (<H1> - <H6>) and inline emphasis tags (<EM><B><I><EM><STRONG>)


Bo dùng để nâng cấp Ampli Karaoke, Mixer thường thành chuyên nghiệp
Dùng bảo vệ loa Treble khi hát nhạc sống hoặc sử dụng với các ampli công suất cao


Nhạc liệu xem nhiều nhất
Chủ đề trao đổi xem nhiều nhất
Lời bài hát xem nhiều nhất
Mục học nhạc xem nhiều nhất
Mục mạch điện xem nhiều nhất
<B> (92)japhat
Cách đấu nối mạch mic, echo, music, master
Hỏi về board công suất amply
Đánh giá về mạch Digital Reverb (Board Vang rời Jarguar)
Mạch Công Suất Peavey 7200
Nhật Ký Của Mẹ
Mạch echo M65831
Bo chuyển hệ Echo 3D dùng nâng cấp Ampli Karaoke, Mixer
Miền Quê Tôi
Bo Mic 4558 x 5, Lo Mid NF Hi
nguyen van nguy...
Mạch khuyếch đại công suất méo rất thấp
Cách đấu nối mạch mic, echo, music, master
Hỏi về board công suất amply
Đánh giá về mạch Digital Reverb (Board Vang rời Jarguar)
xin sheet nhạc gặp me trong mơ - thùy chi
hoi dap
Hoạt động của ampli dùng cho loa phóng thanh
cải tiến " độ " boare của amplifier karaoke !
Mạch Công Suất Peavey 7200
Mạch echo M65831
Bo chuyển hệ Echo 3D dùng nâng cấp Ampli Karaoke, Mixer
Bo Mic 4558 x 5, Lo Mid NF Hi
nguyen van nguy...
Mạch khuyếch đại công suất méo rất thấp
Bo Mic của máy LX
nguyen van nguy...
Cách ráp mạch EQ
Mạch công suất peavey 2000 (PV 2000)
Một cách xài Registration Memory
Bộ sưu tập các khúc đàn solo đoạn giữa, phần 1
Vài cách xài nút Sync Stop
Tự học đánh trống căn bản
Sưu tầm một số cách liên kết các hợp âm
Nhật Ký Của Mẹ
Miền Quê Tôi
Anh Ba Khía
Người Hát Tình Ca
Anh Vẫn Hành Quân
Hỏi thăm
Xin sheet piano
Nốt nhạc bài Yêu Mãi Ngàn Năm
Cần bán đàn ocgan yamaha 2100.
Đàn organ
Tim Sheet
Tai loi bai hat
Intro xoa het
Cho mình sheet nhạc vọng cổ

HTML headings and emphasis tags are the most basic forms to indicate important content.

1. use your keywords in the headings and make sure the first level heading (<H1>) includes the most important keywords.
2. never duplicate the title tag content in the heading tags.
3. for more effective SEO, use only one <H1> tag per page
Top 20 Keywords

: Total Terms Count: 607

It is nice! the word density is quite ok.

Top 20 terms occurance and density
TermDomainTitleDescriptionHeading Occurances Density
#1. quote 33 5.44%
#2. huynhdoan 27 4.45%
#3. cho 22 3.62%
#4. echo 18 2.97%
#5. anh 15 2.47%
#6. hay 13 2.14%
#7. sheet 10 1.65%
#8. khi 10 1.65%
#9. ampli 9 1.48%
#10. loa 9 1.48%
#11. nhi 8 1.32%
#12. con 8 1.32%
#13. chuy 7 1.15%
#14. xem 7 1.15%
#15. mic 7 1.15%
#16. xin 7 1.15%
#17. hat 7 1.15%
#18. karaoke 7 1.15%
#19. sao 7 1.15%
#20. board 6 0.99%

keyword density can be used as a factor in determining whether a web page is relevant to a specified keyword or keyword phrase.

1. the optimum keyword density to be 1.0% - 3.0%. Using a keyword more than that could be considered search spam.
2. overuse of keywords, a practice called keyword stuffing, will cause a web page to be penalized.

Server Header Analysis

Date : Wed, 30 Jul 2014 10:43:29 GMT
Server : LiteSpeed
Connection : close
X-Powered-By : PHP/5.2.17
42fbcf1d7f205f437295de98ac1ca139=e335062019b5bdf3e85120143398a7f8; path=/
ja_purity_tpl=ja_purity; expires=Mon, 20-Jul-2015 10:43:29 GMT; path=/
Content-Type : text/html; charset=utf-8
Expires : Mon, 1 Jan 2001 00:00:00 GMT
Last-Modified : Wed, 30 Jul 2014 10:43:29 GMT
Cache-Control : post-check=0, pre-check=0
Pragma : no-cache

Domain/Whois Analysis

Domain Info

: ( 16 characters )


Domain Created On Last Modified On Expires On
2011-08-24 2011-08-24 2016-08-24
2 years, 340 days old 2 years, 340 days ago 2 years, 25 days from today
2 years, 340 days old

Domain Name Servers used by
DNS Name IP Address

Excellent! the Domain is of right length, easy to be remembered by visitors.

domain name choice and domain age are crucial for SEO.

1. keep the domain name short and relevant to the content, which will be easier to be remembered and related to.
2. older domain tends to be more trustworthy.
3. register a domain for more than 1 year, and search engine will think it is a serious business.