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Traffic Rank

3,245,951 most visited website in the World Trend: down (+2,572,802)
30,831 most visited website in VN Vietnam
Traffic Rank is provided by Alexa


We have located images with missing ALT attribute.
Number of images: 34
Missing alt tag: 16

List of images with missing ALT attributes:

  • (12 locations)
The "alt" attribute provides a text equivalent for the image. If the browser cannot display an image the alt description will be given in its place. Furthermore, some visitors cannot see images as they might be blind in which the alt tag provides a valuable image description. Finally, search engines utilize the alt attribute for image search indexing. (

Visitors Localization

Low map legend High
CountryPercentDomain (ccTLD)Status
VN Vietnam100.0%giasuvanphuc.vnNot available.
Registering country code top level domains (ccTLD) can prevent potential competitors from taking advantage of your primary domain reputation. It is also one of the ways to improve country specific SEO and performance. (

Description Metatag

We have found following description:

"Trung tâm gia sư dạy kèm uy tín VẠN PHÚC, chuyên cung cấp các giáo viên, gia sư giỏi, nhiệt huyết. Nhiều năm qua luôn là trung tâm uy tín nhất TP.HCM."

Length: 150 characters
The description attribute should provide a concise explanation of a Web page's content. Also, the description is often displayed on search engine results and can indirectly affect page ranking.

Keywords Metatag

We have found 36 keywords:
  • trung tam gia su
  • trung tâm gia sư
  • cac trung tam gia su
  • các trung tâm gia sư
  • trung tam day kem
  • trung tâm dạy kèm
  • Trung tam boi duong van hoa
  • Trung tâm bồi dưỡng văn hóa
  • trung tam luyen thi dai hoc
  • trung tâm luyện thi đại học
  • trung tam luyen thi gioi
  • trung tâm luyện thi giỏi
  • trung tam gia su gioi
  • trung tâm gia sư giỏi
  • trung tam day kem gioi
  • trung tâm dạy kèm giỏi
  • trung tam gia su uy tin
  • trung tâm gia sư uy tín
  • trung tam gia su chat luong
  • trung tâm gia sư chất lượng
  • trung tam gia su su pham
  • trung tâm gia sư sư phạm
  • Trung tâm gia sư bách khoa
  • trung tam gia su bach khoa
  • trung tam gia su dai hoc su pham
  • trung tâm gia sư đại học sư phạm
  • trung tam gia su dhsp
  • trung tâm gia sư dhsp
  • trung tam gia su dai hoc bach khoa
  • trung tâm gia sư đại học bách khoa
  • trung tam gia su tp hcm
  • trung tâm gia sư tp hcm
  • trung tam gia su sai gon
  • trung tâm gia sư sài gòn
  • trung tam gia su sinh vien
  • trung tâm gia sư sinh viên
    Length: 938 characters
    The keywords attribute was utilized by search engines to provide more accurate search results. Due to the over usage and spamming the keywords attribute has been phased out and is no longer relevant. Google doesn't use the "keywords" meta tag in web search ranking.

    Text to HTML Ratio

    The Text to HTML ratio is 19.92%
    Original content is by far the single most important element to search engines. Low Text to HTML ratio indicates little content for search engines to index. We consider it to be good practice to have a Text to HTML ratio of at least 10% and ideal above 20%


    We have found following title:

    "Gia sư dạy Kèm - TT gia Sư Vạn Phúc"

    Length: 35 characters
    The <TITLE> element provides a short piece of text describing the document. The title is very important as it shows in the window title bars, bookmarks and search results. Title should be between 60 to 80 characters long. (


    No flash detected.
    Flash and other reach-media technologies should primarily be utilized for decorative purposes. This makes your site more search engine friendly and improves accessibility (


    No frames detected.
    It is not recommended to use frames or iframes because they can cause problems for search engines. It is best to avoid frames and inline frames whenever possible ( If frames must be utilized consider <noframes> tag. (

    Keyword Density & Consistency

    Consistent Keywords % Density # Count T Title D Desc. H <H> A ALT B <b>
    tại nhà1.63%26-----
    luyện thi1.38%22--5--
    dạy kèm1.26%20-12--
    tiếng anh1.01%16--2--
    xem thêm0.94%15-----
    kèm tại nhà0.88%14-----
    dạy kèm tại0.88%14-----
    trung tâm gia0.57%9-1---
    thi đại học0.50%8--1--
    thi chứng chỉ0.44%7--2--

    Warning: Keywords density of above 5% might have negative impact on search engine listing

    Keywords density and consistency are notable factors for optimal page SEO. Preferred keywords should have higher keywords density indicating their importance. Optimally, preferred keywords should also be consistently utilized in multiple essential areas of the page such as title, description meta tag, h1 through h6 headings, alt image attributes, backlinks and internal links anchor text. Keyword density of above 6% can indicate that the word or a phrase appears too many time in the content.


    The <!DOCTYPE> declaration tells the web browser about what version of HTML the page is written in. It is good practice to always add the <!DOCTYPE> declaration to the HTML documents, so that the browser knows what type of document to expect. (

    Character Encoding

    UTF-8 (Unicode)
    Covers: Worldwide
    To display an HTML page correctly, the browser must know what character-set to use.


    • 1 <H1>
      • Gia Sư Vạn Phúc - Cam Kết Chất Lượng Dạy Và Học - Liên hệ 0935427271
    • 1 <H2>
      • Dịch vụ
    • 15 <H3>
      • Gia sư dạy kèm học học sinh mất căn bản
      • Gia sư tiếng Anh giao tiếp
      • Gia sư luyện chữ đẹp
      • Gia sư luyện thi vào lớp 10 trường chuyên và công lập
      • Gia sư luyện thi vào lớp 6 Trần Đại Nghĩa
      • Gia sư luyện thi chứng chỉ quốc tế TOEIC, TOEFL, IELTS
      • Gia sư cho học sinh trường quốc tế
      • Gia sư luyện thi chứng chỉ tiếng anh Starter, Mover, Flyer, Ket, Pet
      • Gia sư luyện thi đại học
      • Gia sư tiếng Việt cho người nước ngoài
      • Gia sư kiểm tra báo bài
      • Gia sư trung học phổ thông
      • Gia sư trung học cơ sở
      • Gia sư tiểu học
      • Gia sư dạy kèm tp.HCM
    • 0 <H4>
    • 0 <H5>
    • 0 <H6>
    The <h1> to <h6> tags are used to define HTML headings. The <h1> tag should hold the title describing the content of a specific page therefore only one h1 tag is needed per page. There can be any number of h2 - h6 tags but they should be added in order of importance (


    Declared Language: None
    Language Attribute: None
    The HTML "lang" attributes and language metatag define the base language to be used for displaying text and characters on a Website.

    Deprecated HTML elements

    Good, no deprecated elements found.
    A deprecated element is one that has been outdated by newer constructs. Deprecated elements may become obsolete in future versions of HTML so it is recommended not to use them.

    Nested HTML Tables

    Yes, nested tables detected.
    In general it is not recommended to use nested tables or to utilize tables for page layout. Nested tables are known to cause performance issues due to increased HTML size and rendering time. It is better to use CSS layout instead.

    W3C Markup Validation

    Status: FAILED [38 errors, 7 warning(s)]
    It is good practice to use valid HTML/XHTML markup as it ensures that the search engines can read the website correctly as well as it improves cross browser compatibility (W3C Markup Validation Service).

    Web Analytics

    Yes, we have detected following web analytics tools:
    • Google analytics icon Google™ Analytics
    Web Analytics Tools collect and measure information about visitor activity on a website. Well interpreted web traffic data is invaluable in determining a successfully web strategy and assessing the effectiveness of a website. At a minimum, we recommend to utilize at least one web analytics tool.


    A robots.txt file restricts access to search engine robots that crawl the web. (

    Mobile Rendering

    Mobile internet usage has been exceeding PC's since 2014 and growing so it is critical for pages to render correctly on mobile devices.

    XML Sitemap

    Found following XML sitemap(s):
    Sitemaps inform search engines about pages available for crawling. In its simplest form, a Sitemap is an XML file that lists URLs for a site along with additional metadata about each URL. XML sitemap should help search engines to crawl the site more intelligently. (

    Mobile Optimization

    Mobile PageSpeed analyzes webpages and evaluates its performance while providing suggestions on reducing page load times. Google is incorporating website speed in search ranking (

    Mobile Experience

    Mobile users have now become a critical part of online visits. Making the website mobile friendly is no longer an option but rather necessity. (


    Missing - The link to the favicon is either invalid or the icon file is missing.
    The Favicon is a small icon associated with a website. The Favicon is important because it is displayed next to the website's URL in the address bar of the browser as well as in bookmarks and shortcuts.

    Custom 404 Error Page

    No custom 404 error page detected.
    A 404 is a standard http response code for a resource that cannot be located on the server. Web servers usually return a "404 Not Found" error page for non-existing pages. Unfortunately, these default error pages are very generic and a not very user friendly, therefore, using a custom 404 error page is highly recommended.

    Process of returning http status code "200 OK" for a non-existent page or redirecting users to another url is called soft 404. Soft 404 errors are problematic for search engines and are not advisable. (


    Could not locate print-friendly CSS.
    Print-friendly pages are designed to fit on an 8.5"x11" or A4 sheet and usually include only the content of the page, along with source information.

    W3C CSS Validation

    Status: FAILED [12 error(s)]
    It is recommended to use valid CSS to ensure that the website displays correctly. (W3C CSS Validation Service).

    Domain Age

    Your domain was registerd for the first time: 11 months, 25 days, 6 hours ago.
    Age of the domain is one of the many signals that search engines utilize for ranking. Brand new domains generally have more difficult time to rank high for the first few months.

    Domain Expiration

    Your domain expires in: 4 days, 17 hours, 16 minutes.
    Domain expiration far in to the future is considered a good practice as it promotes confidence in your website, decreases chances of losing domain and in certain cases might help with search engine ranking. (

    IP Canonicalization

    No, your site's IP does not redirect to
    Some web spiders index websites using IP as well as domain name which can cause duplicate content if there is no IP Canonicalization.

    URL Canonicalization

    Yes, both the and resolve to the same URL.
    Domain name with WWW and without can be considered as different pages causing duplicate content for search engines. (

    Page Speed

    Google Page Speed score: 75% (Average)
    Rq. Requests Hst. Hosts LT Load time Html Img Images JS JavaScript CSS F Flash O Other PS Page Size
    111323.30s90.29 KB561.34 KB518.12 KB182.88 KB0 B20.49 KB1.34 MB

    Avoid landing page redirects
    Enable compression
    Leverage browser caching
    Reduce server response time
    Minify CSS
    Minify HTML
    Minify JavaScript
    Eliminate render-blocking JavaScript and CSS in above-the-fold content
    Optimize images
    Prioritize visible content

    Subscribe for more details
    PageSpeed analyzes webpages and evaluates its performance while providing suggestions on reducing page load times. Google is now incorporating website speed in search ranking (


    Issued To:
    Common Name (CN):
    Common Name (CN):
    Oranization (O):
    Oranizational Unit (OU):
    Period of Validity
    Begins On:
    Expires On:
    Google™ is now treating HTTPS as a ranking signal. HTTPS is a secure web protocol that allows for encrypted communication between website and the client. HTTPS protocol requires your website to have an SSL certificate, which can be purchased from a Certificate Authority (CA) or SSL vendor. (

    Server Information


    Server IP:
    Server Location:
    VN HO CHI MINH CITY, Ho Chi Minh City

    Name Server 1: (
    Name Server 2: (
    Your server's IP address and location have minor impact on the country specific SEO. It is recommend to host the website in the country where the number of vistors is desired to be the highest. Search engines take the geolocation of a server into account. (

    Email Address Obfuscation

    Great, this webpage does not contain email addresses displayed in plain text.
    It is recommended to obfuscate email addresses posted in public. This prevents email addresses from being automatically harvested by spam bots which helps to decrease number of unsolicited emails. See our email obfuscation techniques guide for more details.

    Safe Browsing

    Safe Browsing is a service provided by Google that enables applications to check URLs against Google's constantly updated lists of suspected phishing and malware pages. If your site is marked as unsafe see our guide on how to fix websites blocked by google safe browsing

    Spam Blacklist

    Good, your IP is not blacklisted.
    Spammer directories provide lists of IPs from which spam distribution is reported. Emails sent from the blocked IPs are subject to closer scrutiny and are much less likely to be delivered. For email campaigns it is recommended to utilize professional email services to ensure that your website IP is not blocked. (

    Directory Browsing

    Great, your server has directory browsing disabled.
    Protect Webserver directories from unwanted browsing. To enhance security, directory browsing should be disabled unless you have a specific reason to enable it. If you enable directory browsing, make sure that you only enable it on the particular directory or directories that you want to share. (

    Whois Privacy

    No contact information available.
    Whois Privacy is a service that prevents domain owner contact information from being displayed in the publicly available Whois records. This can help to cut down on unwanted spam but utilizing Whois privacy should be evaluated against business model and branding strategy.

    Server Signature

    On, Apache/2 PHP/5.3.27
    Attackers can utilize server signature versioning information to their advantage therefore it is recommended to disable it when possible.