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SEO Score75/100
Average SEO score of top 100 sites: 75%
Your site scored 75/100, right at the 75 average for top sites. We found 12 issues to fix, and clearing them is how you pull ahead of the pack.
12 Failed
3 Warnings
43 Passed
Want to fix these issues and track your progress?
Issues to fix
HIGH
To improve the website experience for your visitors, it is recommended to eliminate any render-blocking resources on this webpage.
DetailsHIGH
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.
DetailsHIGH
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.
DetailsMEDIUM
Serve properly sized images to reduce page loading times and to improve user's experience.
DetailsMEDIUM
By creating a custom 404 error page with helpful links and information, users are more likely to stay on the site and continue to explore.
DetailsMEDIUM
To provide a good user experience, Google recommends that sites should aim for a Time To First Byte value of 0.8 seconds or less.
DetailsMEDIUM
To provide a good user experience, Google recommends that sites should aim for a First Contentful Paint value of 1.8 seconds or less.
DetailsMEDIUM
Add a Google Analytics script to this website to help in diagnosing potential SEO issues by monitoring site visitors and traffic sources.
DetailsLOW
Keep in mind that the NOINDEX meta tag instructs search engines not to index a webpage. Please verify if this is the intended behavior, as the webpage will not appear in search engine results.
DetailsLOW
Without an SPF record, spammers can easily spoof emails from this domain, potentially leading to compromised email security and deliverability issues.
DetailsLOW
Using more than 20 HTTP requests on a webpage can negatively impact the loading time.
DetailsCommon SEO issues
Score:75
Failed:3
Warnings:1
Passed:15
Meta Title Test
100% of top 100 sites passed
This value indicates the percent of top 100 most visited websites in the US that pass this test (in the past 12 months). Failing a test that a high percentage of top websites are passing may indicate an industry best practice that you should be fixing.
This webpage is using a title tag with a length of 65 characters. While there's no target number of characters, titles should be descriptive and concise. We recommend using a title with a length between 20 - 60 characters in order to fit Google Search results that have a 600-pixel limit.
Meta Description Test
92% of top 100 sites passed
This value indicates the percent of top 100 most visited websites in the US that pass this test (in the past 12 months). Failing a test that a high percentage of top websites are passing may indicate an industry best practice that you should be fixing.
This webpage is using a meta description tag.
Desktop version
https://88aa.courses/
Mobile version
https://88aa.courses/
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.
Keywords Usage Test
48% of top 100 sites passed
This value indicates the percent of top 100 most visited websites in the US that pass this test (in the past 12 months). Failing a test that a high percentage of top websites are passing may indicate an industry best practice that you should be fixing.
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.
akaza
casino
chính
chóng
chúng
chơi
chọn
courses
cuối
cách
cùng
cũng
cược
cổng
diện
dung
dành
dùng
dưới
dịch
dụng
game
giao
gián
giây
giúp
giải
giấy
hoạt
https
hành
hướng
khoản
khuyến
khóa
không
kiếm
link
liên
lĩnh
miễn
mượt
mạnh
nang
ngay
nghiệm
người
nhanh
nhiều
nhiệm
nhất
nhận
nhập
nhật
những
pagani
phép
phút
quan
quyền
riêng
sách
thao
theo
thiết
thuận
thành
thích
thông
thưởng
thần
thức
tiên
tiếp
tiền
tiện
toàn
trang
trong
truy
trách
trình
trải
trực
tuyến
tùng
tảng
tặng
việc
đang
điều
điểm
đoạn
đánh
đúng
đăng
đường
được
định
động
See which keywords rank your URL in Google’s top 20
Get key keyword metrics like average position, search volume, CPC, and more.
Understand your competitors' SEO and backlink profile
Get related competitors and their domain authority score in relation to your domain.
Robots.txt Test
99% of top 100 sites passed
This value indicates the percent of top 100 most visited websites in the US that pass this test (in the past 12 months). Failing a test that a high percentage of top websites are passing may indicate an industry best practice that you should be fixing.
This website is using a robots.txt file.
Sitemap Test
83% of top 100 sites passed
This value indicates the percent of top 100 most visited websites in the US that pass this test (in the past 12 months). Failing a test that a high percentage of top websites are passing may indicate an industry best practice that you should be fixing.
This website has a sitemap file.
Image Alt Test
78% of top 100 sites passed
This value indicates the percent of top 100 most visited websites in the US that pass this test (in the past 12 months). Failing a test that a high percentage of top websites are passing may indicate an industry best practice that you should be fixing.
All "img" tags from this webpage have the required "alt" attribute.
Responsive Image Test
29% of top 100 sites passed
This value indicates the percent of top 100 most visited websites in the US that pass this test (in the past 12 months). Failing a test that a high percentage of top websites are passing may indicate an industry best practice that you should be fixing.
Not all images in this webpage are properly sized! This webpage is serving images that are larger than needed for the size of the user's viewport.
Image Aspect Ratio Test
75% of top 100 sites passed
This value indicates the percent of top 100 most visited websites in the US that pass this test (in the past 12 months). Failing a test that a high percentage of top websites are passing may indicate an industry best practice that you should be fixing.
All image display dimensions match the natural aspect ratio.
Google Analytics Test
72% of top 100 sites passed
This value indicates the percent of top 100 most visited websites in the US that pass this test (in the past 12 months). Failing a test that a high percentage of top websites are passing may indicate an industry best practice that you should be fixing.
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 Test
100% of top 100 sites passed
This value indicates the percent of top 100 most visited websites in the US that pass this test (in the past 12 months). Failing a test that a high percentage of top websites are passing may indicate an industry best practice that you should be fixing.
This website appears to have a favicon.
Get a full and detailed list of your backlinks
See every website linking to yours, along with detailed backlink data.
JS Error Test
83% of top 100 sites passed
This value indicates the percent of top 100 most visited websites in the US that pass this test (in the past 12 months). Failing a test that a high percentage of top websites are passing may indicate an industry best practice that you should be fixing.
There are no severe JavaScript errors on this webpage.
Console Errors Test
27% of top 100 sites passed
This value indicates the percent of top 100 most visited websites in the US that pass this test (in the past 12 months). Failing a test that a high percentage of top websites are passing may indicate an industry best practice that you should be fixing.
This webpage doesn't have any warnings or errors caught by the Chrome DevTools Console.
Charset Declaration Test
96% of top 100 sites passed
This value indicates the percent of top 100 most visited websites in the US that pass this test (in the past 12 months). Failing a test that a high percentage of top websites are passing may indicate an industry best practice that you should be fixing.
This webpage has a character encoding declaration.
Content-Type: text/html; charset=UTF-8
Speed optimizations
Score:69
Failed:5
Warnings:1
Passed:14
HTML Page Size Test
23% of top 100 sites passed
This value indicates the percent of top 100 most visited websites in the US that pass this test (in the past 12 months). Failing a test that a high percentage of top websites are passing may indicate an industry best practice that you should be fixing.
The size of this webpage's HTML is 14.23 Kb and is under the average webpage's HTML size of 33 Kb. Faster loading websites result in a better user experience, higher conversion rates, and generally better search engine rankings.
DOM Size Test
56% of top 100 sites passed
This value indicates the percent of top 100 most visited websites in the US that pass this test (in the past 12 months). Failing a test that a high percentage of top websites are passing may indicate an industry best practice that you should be fixing.
The Document Object Model (DOM) of this webpage has 219 nodes which is less than the recommended value of 1,500 nodes.
HTML Compression/GZIP Test
99% of top 100 sites passed
This value indicates the percent of top 100 most visited websites in the US that pass this test (in the past 12 months). Failing a test that a high percentage of top websites are passing may indicate an industry best practice that you should be fixing.
This webpage is successfully compressed using zstd compression on your code. The HTML code is compressed from 54.35 Kb to 14.23 Kb (74% size savings). This helps ensure a faster loading webpage and improved user experience.
Site Loading Speed Test
71% of top 100 sites passed
This value indicates the percent of top 100 most visited websites in the US that pass this test (in the past 12 months). Failing a test that a high percentage of top websites are passing may indicate an industry best practice that you should be fixing.
The loading time of this webpage (measured from N. Virginia, US) is around 3.94 seconds and this is under the average loading speed which is 5 seconds.
Accurate historical loading speed monitor and reports
Get detailed and accurate loading speed reports for your websites and see how your pages are being loaded over time.
JS Execution Time Test
53% of top 100 sites passed
This value indicates the percent of top 100 most visited websites in the US that pass this test (in the past 12 months). Failing a test that a high percentage of top websites are passing may indicate an industry best practice that you should be fixing.
The JavaScript code used by this webpage is executed in less than 2 seconds.
Page Objects Test
7% of top 100 sites passed
This value indicates the percent of top 100 most visited websites in the US that pass this test (in the past 12 months). Failing a test that a high percentage of top websites are passing may indicate an industry best practice that you should be fixing.
This webpage is using more than 20 http requests, which can slow down page loading and negatively impact user experience!
Content size by content type
Content type
Percent
Size
image
72.8 %
589.82 Kb
javascript
13.3 %
107.40 Kb
font
8.2 %
66.16 Kb
css
3.8 %
31.09 Kb
html
1.9 %
15.30 Kb
other
0.1 %
448 B
TOTAL
100%
810.22 Kb
Requests by content type
Content type
Percent
Requests
javascript
43.5 %
10
font
21.7 %
5
image
17.4 %
4
css
8.7 %
2
html
4.3 %
1
other
4.3 %
1
TOTAL
100%
23
Content size by domain
Domain
Percent
Size
88aa.courses
98.7 %
799.48 Kb
static.cloudflareinsights.com
1.3 %
10.74 Kb
TOTAL
100%
810.22 Kb
Requests by domain
Domain
Percent
Requests
88aa.courses
95.7 %
22
static.cloudflareinsights.com
4.3 %
1
TOTAL
100%
23
CDN Usage Test
95% of top 100 sites passed
This value indicates the percent of top 100 most visited websites in the US that pass this test (in the past 12 months). Failing a test that a high percentage of top websites are passing may indicate an industry best practice that you should be fixing.
This webpage is serving all images, javascript and css resources from CDNs.
Modern Image Format Test
43% of top 100 sites passed
This value indicates the percent of top 100 most visited websites in the US that pass this test (in the past 12 months). Failing a test that a high percentage of top websites are passing may indicate an industry best practice that you should be fixing.
Image Metadata Test
72% of top 100 sites passed
This value indicates the percent of top 100 most visited websites in the US that pass this test (in the past 12 months). Failing a test that a high percentage of top websites are passing may indicate an industry best practice that you should be fixing.
This webpage is not using images with large metadata.
Image Caching Test
95% of top 100 sites passed
This value indicates the percent of top 100 most visited websites in the US that pass this test (in the past 12 months). Failing a test that a high percentage of top websites are passing may indicate an industry best practice that you should be fixing.
This website is using cache headers for images and the browsers will display these images from the cache.
JavaScript Caching Test
96% of top 100 sites passed
This value indicates the percent of top 100 most visited websites in the US that pass this test (in the past 12 months). Failing a test that a high percentage of top websites are passing may indicate an industry best practice that you should be fixing.
This webpage is using cache headers for all JavaScript resources.
CSS Caching Test
98% of top 100 sites passed
This value indicates the percent of top 100 most visited websites in the US that pass this test (in the past 12 months). Failing a test that a high percentage of top websites are passing may indicate an industry best practice that you should be fixing.
This webpage is using cache headers for all CSS resources.
JavaScript Minification Test
98% of top 100 sites passed
This value indicates the percent of top 100 most visited websites in the US that pass this test (in the past 12 months). Failing a test that a high percentage of top websites are passing may indicate an industry best practice that you should be fixing.
All JavaScript files used by this webpage are minified.
CSS Minification Test
100% of top 100 sites passed
This value indicates the percent of top 100 most visited websites in the US that pass this test (in the past 12 months). Failing a test that a high percentage of top websites are passing may indicate an industry best practice that you should be fixing.
All CSS resources used by this webpage are minified.
Render Blocking Resources Test
15% of top 100 sites passed
This value indicates the percent of top 100 most visited websites in the US that pass this test (in the past 12 months). Failing a test that a high percentage of top websites are passing may indicate an industry best practice that you should be fixing.
This webpage is using render blocking resources! Eliminating render-blocking resources can help this webpage to load significantly faster and will improve the website experience for your visitors.
URL Redirects Test
97% of top 100 sites passed
This value indicates the percent of top 100 most visited websites in the US that pass this test (in the past 12 months). Failing a test that a high percentage of top websites are passing may indicate an industry best practice that you should be fixing.
This URL doesn't have any redirects (which could potentially cause site indexation issues and site loading delays).
Time To First Byte Test
99% of top 100 sites passed
This value indicates the percent of top 100 most visited websites in the US that pass this test (in the past 12 months). Failing a test that a high percentage of top websites are passing may indicate an industry best practice that you should be fixing.
The Time To First Byte value of this webpage is 2.036 seconds. To provide a good user experience, Google recommends that sites should strive to have a TTFB of 0.8 seconds or less.
2.036 s
0.8 s
1.8 s
First Contentful Paint Test
90% of top 100 sites passed
This value indicates the percent of top 100 most visited websites in the US that pass this test (in the past 12 months). Failing a test that a high percentage of top websites are passing may indicate an industry best practice that you should be fixing.
The First Contentful Paint value of this webpage is 3.436 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.
3.436 s
1.8 s
3 s
Largest Contentful Paint Test
77% of top 100 sites passed
This value indicates the percent of top 100 most visited websites in the US that pass this test (in the past 12 months). Failing a test that a high percentage of top websites are passing may indicate an industry best practice that you should be fixing.
The Largest Contentful Paint duration of this webpage is 3.44 seconds. To provide a good user experience, Google recommends that sites should strive to have Largest Contentful Paint of 2.5 seconds or less.
3.44 s
2.5 s
4 s
Largest Contentful Paint element within the viewport:
<img fetchpriority="high" decoding="async" width="1920" height="660" src="https://88aa.courses/wp-content/uploads/2026/04/88..." class="attachment-original size-original" alt="banner nhà cái 88AA" srcset="https://88aa.courses/wp-content/uploads/2026/04/88..." sizes="(max-width: 1920px) 100vw, 1920px">
Cumulative Layout Shift Test
91% of top 100 sites passed
This value indicates the percent of top 100 most visited websites in the US that pass this test (in the past 12 months). Failing a test that a high percentage of top websites are passing may indicate an industry best practice that you should be fixing.
The CLS score of this webpage is 0.0684. To provide a good user experience, Google recommends that sites should strive to have a CLS score of 0.1 or less.
0.0684
0.1
0.25
DOM element which contributes the most to CLS score:
Score: 0.0684
Server and security
Score:100
Failed:0
Warnings:0
Passed:7
URL Canonicalization Test
93% of top 100 sites passed
This value indicates the percent of top 100 most visited websites in the US that pass this test (in the past 12 months). Failing a test that a high percentage of top websites are passing may indicate an industry best practice that you should be fixing.
https://88aa.courses/ and https://www.88aa.courses/ resolve to the same URL.
SSL Checker and HTTPS Test
100% of top 100 sites passed
This value indicates the percent of top 100 most visited websites in the US that pass this test (in the past 12 months). Failing a test that a high percentage of top websites are passing may indicate an industry best practice that you should be fixing.
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 "88aa.courses" 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
88aa.courses
Subject Alternative Names
*.88aa.courses, 88aa.courses
Not Valid Before
Wed, April 1, 2026 at 11:50:43 AM UTC
Not Valid After
Tue, June 30, 2026 at 11:50:42 AM UTC
Signature Algorithm
ecdsaWithSha384
Issuer
E8
Intermediate certificate
Common Name
E8
Organization
Let's Encrypt
Location
US
Not Valid Before
Wed, March 13, 2024 at 12:00:00 AM UTC
Not Valid After
Fri, March 12, 2027 at 11:59:59 PM UTC
Signature Algorithm
sha256WithRsaEncryption
Issuer
ISRG Root X1
Root certificate
Common Name
ISRG Root X1
Organization
Internet Security Research Group
Location
US
Not Valid Before
Thu, June 4, 2015 at 11:04:38 AM UTC
Not Valid After
Mon, June 4, 2035 at 11:04:38 AM UTC
Signature Algorithm
sha256WithRsaEncryption
Issuer
ISRG Root X1
Mixed Content Test (HTTP over HTTPS)
100% of top 100 sites passed
This value indicates the percent of top 100 most visited websites in the US that pass this test (in the past 12 months). Failing a test that a high percentage of top websites are passing may indicate an industry best practice that you should be fixing.
This webpage does not use mixed content - both the initial HTML and all other resources are loaded over HTTPS.
HTTP2 Test
99% of top 100 sites passed
This value indicates the percent of top 100 most visited websites in the US that pass this test (in the past 12 months). Failing a test that a high percentage of top websites are passing may indicate an industry best practice that you should be fixing.
This webpage is using the HTTP/2 protocol.
HSTS Test
84% of top 100 sites passed
This value indicates the percent of top 100 most visited websites in the US that pass this test (in the past 12 months). Failing a test that a high percentage of top websites are passing may indicate an industry best practice that you should be fixing.
This webpage is using the Strict-Transport-Security header.
strict-transport-security:max-age=31536000
Plaintext Emails Test
97% of top 100 sites passed
This value indicates the percent of top 100 most visited websites in the US that pass this test (in the past 12 months). Failing a test that a high percentage of top websites are passing may indicate an industry best practice that you should be fixing.
This webpage does not include email addresses in plaintext.
Unsafe Cross-Origin Links Test
45% of top 100 sites passed
This value indicates the percent of top 100 most visited websites in the US that pass this test (in the past 12 months). Failing a test that a high percentage of top websites are passing may indicate an industry best practice that you should be fixing.
This webpage is not using target="_blank" links without rel="noopener" or rel="noreferrer" attribute.
Mobile usability
Score:100
Failed:0
Warnings:0
Passed:3
Meta Viewport Test
92% of top 100 sites passed
This value indicates the percent of top 100 most visited websites in the US that pass this test (in the past 12 months). Failing a test that a high percentage of top websites are passing may indicate an industry best practice that you should be fixing.
This webpage is using a viewport meta tag.
<meta name="viewport" content="width=device-width, initial-scale=1" />Media Query Responsive Test
98% of top 100 sites passed
This value indicates the percent of top 100 most visited websites in the US that pass this test (in the past 12 months). Failing a test that a high percentage of top websites are passing may indicate an industry best practice that you should be fixing.
This webpage is using CSS media queries, which is the base for responsive design functionalities.
Advanced SEO
Score:45
Failed:4
Warnings:1
Passed:4
Structured Data Test
66% of top 100 sites passed
This value indicates the percent of top 100 most visited websites in the US that pass this test (in the past 12 months). Failing a test that a high percentage of top websites are passing may indicate an industry best practice that you should be fixing.
This webpage is using structured data.
Custom 404 Error Page Test
80% of top 100 sites passed
This value indicates the percent of top 100 most visited websites in the US that pass this test (in the past 12 months). Failing a test that a high percentage of top websites are passing may indicate an industry best practice that you should be fixing.
This website is not using a custom 404 error page! Default 404 error pages result in a poor experience - it can mislead users into thinking an entire site is down or broken, greatly increases the chance they leave the website entirely, and looks unprofessional. 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.
Meta Refresh Test
98% of top 100 sites passed
This value indicates the percent of top 100 most visited websites in the US that pass this test (in the past 12 months). Failing a test that a high percentage of top websites are passing may indicate an industry best practice that you should be fixing.
This webpage is not using a meta refresh tag.
SPF Records Test
94% of top 100 sites passed
This value indicates the percent of top 100 most visited websites in the US that pass this test (in the past 12 months). Failing a test that a high percentage of top websites are passing may indicate an industry best practice that you should be fixing.
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 Test
67% of top 100 sites passed
This value indicates the percent of top 100 most visited websites in the US that pass this test (in the past 12 months). Failing a test that a high percentage of top websites are passing may indicate an industry best practice that you should be fixing.
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.
