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Report generated 5 months ago
https://sin88.studio
Your general SEO Checkup Score
Archived
81/100
SEO Score
Average SEO score of top 100 sites: 74%
This website received an SEO score of 81 out of 100, which is higher than the average score of 74. Our analysis has identified 11 important issues that can be addressed to further enhance your website's performance and improve its search engine visibility.
11 Failed
4 Warnings
59 Passed
Issues to fix
HIGH
It is recommended to avoid URL parameters and to use hyphens to separate words in the URL structure, rather than underscores.
HIGH
To ensure that Search Engines can accurately identify the topic of this webpage, it is important to include the most common keywords in the title tag, meta description, and heading tags.
HIGH
Connect your webpage with social media networks using APIs or AddThis, as social signals are becoming increasingly important for search engines to validate a site's trustworthiness and authority.
HIGH
Using images in a modern format can significantly reduce the file size and improve the loading speed of a webpage, providing a better user experience and potentially increasing engagement.
HIGH
Consider reducing the HTML size to improve loading times and retain visitors.
MEDIUM
Add a Google Analytics script to this website to help in diagnosing potential SEO issues by monitoring site visitors and traffic sources.
MEDIUM
Avoid performance and security issues by adding "rel=noopener" or "rel=noreferrer" to your "target=_blank" links.
LOW
Without an SPF record, spammers can easily spoof emails from this domain, potentially leading to compromised email security and deliverability issues.
LOW
Consider moving inline CSS styles to an external stylesheet to improve site performance and maintain separation of content and design.
LOW
Strip out any unnecessary metadata to improve loading time, security, and privacy. Metadata should not exceed 16% of the image size.
Common SEO issues
Score: 64
Failed: 5
Warnings: 2
Passed: 19
Meta Title Test100% of top 100 sites passed
  • This webpage is using a title tag.
Text: Sin88 🎖️  Link Vào Sin88 | Trang Chủ Chính Thức ✔️
Length: 50 characters
Meta Description Test96% of top 100 sites passed
  • This webpage is using a meta description tag with a length of 144 characters. We recommend using well-written and inviting meta descriptions with a length between 150 and 220 characters (spaces included).
Text: Sin88 là nhà cái cung cấp các dịch vụ cá cược giải trí chất lượng, trả thưởng cao. Đơn vị được game thủ đánh giá cao về sự công bằng và an toàn.
Length: 144 characters
Google Search Results Preview Test
Desktop version
https://sin88.studio/Sin88 🎖️  Link Vào Sin88 | Trang Chủ Chính Thức ✔️Sin88 là nhà cái cung cấp các dịch vụ cá cược giải trí chất lượng, trả thưởng cao. Đơn vị được game thủ đánh giá cao về sự công bằng và an toàn.
Mobile version
https://sin88.studio/Sin88 🎖️  Link Vào Sin88 | Trang Chủ Chính Thức ✔️Sin88 là nhà cái cung cấp các dịch vụ cá cược giải trí chất lượng, trả thưởng cao. Đơn vị được game thủ đánh giá cao về sự công bằng và an toàn.
Social Media Meta Tags Test89% of top 100 sites passed
  • This webpage is using social media meta tags.
Open Graph Meta Tags
og:locale
vi_VN
og:type
website
og:title
Sin88 🎖️  Link Vào Sin88 | Trang Chủ Chính Thức ✔️
og:description
Sin88 là nhà cái cung cấp các dịch vụ cá cược giải trí chất lượng, trả thưởng cao. Đơn vị được game thủ đánh giá cao về sự công bằng và an toàn.
og:url
https://sin88.studio/
og:site_name
sin88.studio
og:updated_time
2023-12-31T03:13:48+00:00
og:image
https://sin88.studio/wp-content/uploads/2023/11/sin88-co-nen.png
og:image:secure_url
https://sin88.studio/wp-content/uploads/2023/11/sin88-co-nen.png
og:image:width
512
og:image:height
512
og:image:alt
sin88
og:image:type
image/png
Most Common Keywords Test
  • There is likely no optimal keyword density (search engine algorithms have evolved beyond keyword density metrics as a significant ranking factor). It can be useful, however, to note which keywords appear most often on your page and if they reflect the intended topic of your page. More importantly, the keywords on your page should appear within natural sounding and grammatically correct copy.
80được77chơi58người53thống51game
Keywords Usage Test45% of top 100 sites passed
  • The most common keywords of this webpage are not distributed across the important HTML tags! Primary keywords should appear in title tag, meta description and heading tags to help Search Engines to properly identify the topic of this webpage.
Keyword
Title tag
Meta description
Headings
được
chơi
người
thống
game
Keywords Cloud Test
bướcbằngcasinochiachuẩnchínhchóngchơichọncungcôngcùngcũngcượcdàngdướidạngdụnggamegiangiaogiúpgiảigiảnhiệnhoànhoặchànghànhhìnhhưởngkhoảnkhuyếnkhôngkhẩulinkliênluônlượngmangminhmìnhngaynghiệmngoàingườinhanhnhiềunhânnhấnnhấtnhậnnhậpnhậtnhữngnângphútphảisiêustudiosảnhthamthaotheothoạithànhthôngthườngthưởngthốngthờithứcthựctiếntiềntoàntrangtrongtruytrêntrìnhtrườngtrảitrậntượngtổngviênxuyênxuấtđangđiềnđiềuđiểmđiệnđánhđăngđượcđịnhđồngđộng
Competitor Domains Test
Understand your competitors' SEO and backlink profile

Get related competitors and their domain authority score in relation to your domain.

Heading Tags Test59% of top 100 sites passed
  • This webpage contains headings tags.
H1 tags
Sin88 🎖️ Link Vào Sin88 | Trang Chủ Chính Thức ✔️
H2 tags
Link truy cập trang chủ chính thức từ Sin88 bạn cần biết
Ưu điểm nổi bật để bạn nên chọn Sin88
Sin88 đa dạng các thể loại cược xanh chín đáng để trải nghiệm
Khuyến mãi ngàn vàng Sin88 new dành tặng thành viên
Thao tác đăng ký & đăng nhập Sin88 thành công trong tích tắc
Nạp/rút tiền tại Sin88 cực tốc độ, tiết kiệm thời gian
Tải app Sin88 dành cho cược thủ cực dễ dàng
FAQs – Câu hỏi hay xuất hiện tại nhà cái Sin88 bạn cần biết
Kết luận
Robots.txt Test99% of top 100 sites passed
  • This website is using a robots.txt file.
Sitemap Test74% of top 100 sites passed
  • This website has a sitemap file.
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SEO Friendly URL Test25% of top 100 sites passed
  • This webpage contains URLs that are not SEO friendly!
See results list
Image Alt Test71% of top 100 sites passed
  • This webpage is using "img" tags with empty or missing "alt" attribute!
See full list
Responsive Image Test28% of top 100 sites passed
  • All images in this webpage are properly sized for different users' viewports.
Image Aspect Ratio Test75% of top 100 sites passed
  • All image display dimensions match the natural aspect ratio.
Inline CSS Test8% of top 100 sites passed
  • This webpage is using inline CSS styles!
See results list
Deprecated HTML Tags Test94% of top 100 sites passed
  • This webpage does not use HTML deprecated tags.
Google Analytics Test65% of top 100 sites passed
  • A Google Analytics script is not detected on this page. While there are several tools available to monitor your site's visitors and traffic sources, Google Analytics is a free, commonly recommended program to help diagnose potential SEO issues.
Favicon Test100% of top 100 sites passed
  • favicon
    This website appears to have a favicon.
JS Error Test79% of top 100 sites passed
  • There are no severe JavaScript errors on this webpage.
Console Errors Test41% of top 100 sites passed
  • This webpage doesn't have any warnings or errors caught by the Chrome DevTools Console.
Charset Declaration Test100% of top 100 sites passed
  • This webpage has a character encoding declaration.
Content-Type: text/html; charset=UTF-8
Social Media Test57% of top 100 sites passed
  • This webpage is not connected with social media using the API's provided by Facebook, Google +, Twitter, Pinterest, or using addthis.com
Speed optimizations
Score: 86
Failed: 3
Warnings: 1
Passed: 21
HTML Page Size Test21% of top 100 sites passed
DOM Size Test54% of top 100 sites passed
  • The Document Object Model (DOM) of this webpage has 688 nodes which is less than the recommended value of 1,500 nodes.
HTML Compression/GZIP Test97% of top 100 sites passed
  • This webpage is successfully compressed using br compression on your code. The HTML code is compressed from 204.51 Kb to 46.75 Kb (77% size savings). This helps ensure a faster loading webpage and improved user experience.
Site Loading Speed Test66% of top 100 sites passed
  • The loading time of this webpage (measured from N. Virginia, US) is around 2.34 seconds and this is under the average loading speed which is 5 seconds.
Accurate loading speed and website loading speed monitor

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JS Execution Time Test71% of top 100 sites passed
  • The JavaScript code used by this webpage is executed in less than 2 seconds.
Page Objects Test
  • This webpage has less than 20 http requests. A higher number of http requests results in a user's browser needing to request a large number of objects from the server, which will ultimately slow down the loading of your webpage.
Content size by content type
Content type
Percent
Size
image
45.2 %
145.80 Kb
font
23.3 %
74.95 Kb
javascript
16.5 %
53.31 Kb
html
15.0 %
48.17 Kb
css
0.0 %
0 B
other
0.0 %
0 B
TOTAL
100%
322.23 Kb
Requests by content type
Content type
Percent
Requests
font
44.4 %
8
javascript
33.3 %
6
image
16.7 %
3
html
5.6 %
1
css
0.0 %
0
other
0.0 %
0
TOTAL
100%
18
Content size by domain
Domain
Percent
Size
sin88.studio
100.0 %
322.23 Kb
TOTAL
100%
322.23 Kb
Requests by domain
Domain
Percent
Requests
sin88.studio
100.0 %
18
TOTAL
100%
18
Page Cache Test (Server Side Caching)100% of top 100 sites passed
  • This webpage is using a caching mechanism. Caching helps speed page loading times as well as reduces server load.
Flash Test100% of top 100 sites passed
  • This webpage does not include flash objects (an outdated technology that was sometimes used to deliver rich multimedia content). Flash content does not work well on mobile devices, and is difficult for crawlers to interpret.
CDN Usage Test97% of top 100 sites passed
  • This webpage is serving all images, javascript and css resources from CDNs.
See results list
Modern Image Format Test38% of top 100 sites passed
  • This webpage is not serving images in a modern format! Image formats like JPEG 2000, JPEG XR, and WebP often provide better compression than PNG or JPEG, which means faster downloads and less data consumption.
See results list
Image Metadata Test72% of top 100 sites passed
  • This webpage is using images with large metadata (more than 16% of the image size)! Stripping out unnecessary metadata tags can improve not only the loading time but also the security and privacy of a webpage.
See results list
Image Caching Test97% of top 100 sites passed
  • This website is using cache headers for images and the browsers will display these images from the cache.
JavaScript Caching Test95% of top 100 sites passed
  • This webpage is using cache headers for all JavaScript resources.
CSS Caching Test96% of top 100 sites passed
  • This webpage is not using uncached CSS resources from same domain!
JavaScript Minification Test96% of top 100 sites passed
  • All JavaScript files used by this webpage are minified.
See results list
CSS Minification Test100% of top 100 sites passed
  • This webpage is not using CSS resources from the same domain.
See results list
Render Blocking Resources Test10% of top 100 sites passed
  • This webpage is not using render-blocking resources.
Nested Tables Test99% of top 100 sites passed
  • This webpage is not using nested tables. This speeds up page loading time and optimizes the user experience.
Frameset Test100% of top 100 sites passed
  • This webpage does not use frames.
Doctype Test100% of top 100 sites passed
  • This webpage has a doctype declaration.
<!DOCTYPE html>
URL Redirects Test98% of top 100 sites passed
  • This URL doesn't have any redirects (which could potentially cause site indexation issues and site loading delays).
Time To First Byte Test98% of top 100 sites passed
  • The Time To First Byte value of this webpage is 1.067 seconds. To provide a good user experience, Google recommends that sites should strive to have a TTFB of 0.8 seconds or less.

1.067 s

0.8 s

1.8 s

First Contentful Paint Test94% of top 100 sites passed
  • The First Contentful Paint value of this webpage is 1.482 seconds. To provide a good user experience, Google recommends that sites should strive to have a First Contentful Paint value of 1.8 seconds or less.

1.482 s

1.8 s

3 s

Largest Contentful Paint Test90% of top 100 sites passed
  • The Largest Contentful Paint duration of this webpage is 1.48 seconds. To provide a good user experience, Google recommends that sites should strive to have Largest Contentful Paint of 2.5 seconds or less.

1.48 s

2.5 s

4 s

Largest Contentful Paint element within the viewport:
Text: ⭐ Sin88 không còn xa lạ với nhiều người đam mê cá cược đỏ đen hiện nay. Sân chơi...
Html:

Sin88 không còn xa lạ với nhiều người đam mê cá cược đỏ đen hiện nay. Sân chơi hiện đ

Cumulative Layout Shift Test94% of top 100 sites passed
  • The CLS score of this webpage is 0.0026. To provide a good user experience, Google recommends that sites should strive to have a CLS score of 0.1 or less.

0.0026

0.1

0.25

DOM element which contributes the most to CLS score:
Html:
Score: 0.0011
Server and security
Score: 93
Failed: 1
Warnings: 0
Passed: 9
URL Canonicalization Test97% of top 100 sites passed
SSL Checker and HTTPS Test100% of top 100 sites passed
  • This website is successfully using HTTPS, a secure communication protocol over the Internet.

The certificate is not used before the activation date.

The certificate has not expired.

The hostname "sin88.studio" is correctly listed in the certificate.

The certificate should be trusted by all major web browsers.

The certificate was not revoked.

The certificate was signed with a secure hash.

Certificate Chain:
Server certificate
Common name
sin88.studio
Subject Alternative Names (SANs)
sin88.studio, *.sin88.studio
Not valid before
Sat, January 6o 2024, 3:58:03 pm (z)
Not valid after
Fri, April 5o 2024, 3:58:02 pm (z)
Signature algorithm
sha256WithRsaEncryption
Issuer
GTS CA 1P5
Intermediate certificate
Common name
GTS CA 1P5
Organization
Google Trust Services LLC
Location
US
Not valid before
Thu, August 13o 2020, 12:00:42 am (z)
Not valid after
Thu, September 30o 2027, 12:00:42 am (z)
Signature algorithm
sha256WithRsaEncryption
Issuer
GTS Root R1
Root certificate
Common name
GTS Root R1
Organization
Google Trust Services LLC
Location
US
Not valid before
Wed, June 22o 2016, 12:00:00 am (z)
Not valid after
Sun, June 22o 2036, 12:00:00 am (z)
Signature algorithm
sha384WithRsaEncryption
Issuer
GTS Root R1
Mixed Content Test (HTTP over HTTPS)98% of top 100 sites passed
  • This webpage does not use mixed content - both the initial HTML and all other resources are loaded over HTTPS.
HTTP2 Test100% of top 100 sites passed
  • This webpage is using the HTTP/2 protocol.
HSTS Test82% of top 100 sites passed
  • This webpage is using the Strict-Transport-Security header.
strict-transport-security: max-age=31536000
Safe Browsing Test100% of top 100 sites passed
  • This website is not currently listed as suspicious (no malware or phishing activity found).
Server Signature Test98% of top 100 sites passed
  • The server signature is off for this webpage.
Directory Browsing Test100% of top 100 sites passed
  • Directory browsing is disabled for this website.
Plaintext Emails Test100% of top 100 sites passed
  • This webpage does not include email addresses in plaintext.
Mobile usability
Score: 100
Failed: 0
Warnings: 0
Passed: 3
Meta Viewport Test88% of top 100 sites passed
  • This webpage is using a viewport meta tag.
<meta name="viewport" content="width=device-width, initial-scale=1" />
Media Query Responsive Test98% of top 100 sites passed
  • This webpage is using CSS media queries, which is the base for responsive design functionalities.
Mobile Snapshot Test
Mobile view
Advanced SEO
Score: 90
Failed: 2
Warnings: 1
Passed: 7
Structured Data Test53% of top 100 sites passed
  • This webpage is using structured data.
See results list
Custom 404 Error Page Test67% of top 100 sites passed
  • This website is using a custom 404 error page. We recommend to have a custom 404 error page in order to improve the website's user experience by letting users know that only a specific page is missing/broken (and not the entire site), providing them helpful links, the opportunity to report bugs, and potentially track the source of broken links.
Noindex Tag Test98% of top 100 sites passed
  • This webpage does not use the noindex meta tag. This means that it can be indexed by search engines.
Canonical Tag Test93% of top 100 sites passed
  • This webpage is using the canonical link tag. This tag specifies that the URL: https://sin88.studio/ is preferred to be used in search results. Please ensure that this specification is correct, as canonical tags are often hard-coded and may not always reflect the latest changes in a site's URL structure.
<link href="https://sin88.studio/" rel="canonical"/>
Nofollow Tag Test
  • This webpage is using the nofollow meta tag! We recommend to use this tag carefully since search engines will not crawl all links from this webpage.
See results list
Disallow Directive Test
  • Your robots.txt file includes a disallow command which instructs search engines to avoid certain parts of your website! You are advised to confirm if access to these resources or pages are intended to be blocked (e.g., if they contain internal-only content or sensitive information).
See results list
Meta Refresh Test96% of top 100 sites passed
  • This webpage is not using a meta refresh tag.
SPF Records Test95% of top 100 sites passed
  • This DNS server is not using an SPF record! SPF (Sender Policy Framework) allows administrators to specify which hosts are allowed to send mail from a given domain by creating a specific SPF record or TXT record in the Domain Name System (DNS). You can find more information about SPF records here.
Ads.txt Validation Test68% of top 100 sites passed
  • This website doesn't use an ads.txt file! Ads.txt is a text file that contains a list of Authorized Digital Sellers. The purpose of ads.txt files is to give advertisers and advertising networks the ability to verify who is allowed to sell advertising on your website.
Spell Check Test
Check your webpage for misspellings!

Finding and fixing misspellings on your webpage will help both user experience and search engine rankings.


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