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SEO Score62/100
Average SEO score of top 100 sites: 75%
Your site scored 62/100, below the 75 average for top sites. We found 19 issues to fix, and clearing them is how you move up.
19 Failed
4 Warnings
35 Passed
Want to fix these issues and track your progress?
Issues to fix
HIGH
To address URL canonicalization issues, it is recommended to select a primary URL for your webpage and set up redirects from all other variations to the preferred one.
DetailsHIGH
Minify all JavaScript files to reduce page size and loading time.
DetailsHIGH
Enable HTML compression to reduce page size and loading times.
DetailsHIGH
Consider using structured data in your webpage as it can help search engines gain a better understanding of your content.
DetailsHIGH
To improve the website experience for your visitors, it is recommended to eliminate any render-blocking resources on this webpage.
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.
DetailsHIGH
Users may abandon pages that take longer than 5 seconds to load, resulting in a potential loss of up to 50% of visitors. Faster loading pages can lead to increased traffic, better conversions, and higher sales.
DetailsHIGH
Consider reducing the HTML size to improve loading times and retain visitors.
DetailsHIGH
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
Serve properly sized images to reduce page loading times and to improve user's experience.
DetailsMEDIUM
Avoid using distorted images, as they can have a negative impact on the user experience.
DetailsMEDIUM
Avoid performance and security issues by adding "rel=noopener" or "rel=noreferrer" to your "target=_blank" links.
DetailsLOW
Resolving errors identified by the Chrome DevTools Console can improve user experience.
DetailsLOW
Using more than 20 HTTP requests on a webpage can negatively impact the loading time.
DetailsLOW
Strip out any unnecessary metadata to improve loading time, security, and privacy. Metadata should not exceed 16% of the image size.
DetailsLOW
Consider adding the Strict-Transport-Security header to your webpage to ensure that web traffic is encrypted over HTTPS, mitigating the risk of man-in-the-middle attacks and other security threats.
DetailsLOW
Replace deprecated HTML tags with their modern equivalents or appropriate CSS rules.
DetailsCommon SEO issues
Score:80
Failed:4
Warnings:1
Passed:14
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.
Meta Description 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 a meta description tag.
Desktop version
https://ehis.vn/
Mobile version
https://ehis.vn/
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
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.
The most common keywords of this webpage are distributed well across the important HTML tags. This helps search engines to properly identify the topic of this webpage.
biệt
bước
bệnh
chính
chúng
chất
chẩn
chức
chữa
clinic
cung
công
doanh
dùng
dưỡng
dược
dụng
dựng
ehis
email
hiểm
hiện
hiệu
hoàn
hoạt
hàng
hành
hình
khác
khách
khám
khắp
khối
kinh
liên
luật
lĩnh
lượng
lịch
mang
minh
mong
muốn
mừng
nghiệm
nghệ
nguyên
ngành
ngày
người
nhiều
nhánh
nhân
nhất
những
năng
nước
phát
phòng
phường
phần
phẩm
phục
quản
sinh
song
thiết
thiện
thuâ
thuô
thuốc
thành
thái
thông
thăm
thống
thời
tiêu
tiếp
tiết
tnhh
trang
triển
trong
trung
trên
trạm
trải
trực
từng
việc
viện
xuất
đang
điện
đoán
đánh
được
đồng
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
74% 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
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.
This webpage is using "img" tags with empty or missing "alt" attribute!
Responsive Image Test
28% 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.
Not all image display dimensions match the natural aspect ratio! Fix aspect ratio issues to avoid distorted images on this website!
Google Analytics Test
65% 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 Google Analytics.
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
79% 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
41% 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 some errors caught by the Chrome DevTools Console!
Charset Declaration 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 has a character encoding declaration.
Content-Type: text/html; charset=utf-8
Speed optimizations
Score:48
Failed:8
Warnings:3
Passed:9
HTML Page Size Test
21% 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 129.6 Kb, and is greater than the average size of 33 Kb! This can lead to slower loading times, lost visitors, and decreased revenue. Good steps to reduce HTML size include: using HTML compression, CSS layouts, external style sheets, and moving javascript to external files.
DOM Size Test
54% 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 740 nodes which is less than the recommended value of 1,500 nodes.
HTML Compression/GZIP 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 doesn't use HTML compression! We recommend to compress the HTML code in order to reduce the page size and page loading times - this will help a website to retain visitors and increase page views. If the HTML compression will be enabled, the HTML size will be decreased by 81% - from 129.6 Kb to 24.33 Kb .
Site Loading Speed 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.
The loading time of this webpage (measured from N. Virginia, US) is around 15.48 seconds and is greater than 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
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 JavaScript code used by this webpage is executed in less than 2 seconds.
Page Objects Test
2% 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
95.8 %
40.44 Mb
javascript
2.8 %
1.20 Mb
css
0.8 %
341.44 Kb
html
0.4 %
168.83 Kb
font
0.1 %
56.01 Kb
other
0.0 %
4.29 Kb
TOTAL
100%
42.20 Mb
Requests by content type
Content type
Percent
Requests
image
45.3 %
43
javascript
30.5 %
29
css
17.9 %
17
other
3.2 %
3
html
2.1 %
2
font
1.1 %
1
TOTAL
100%
95
Content size by domain
Domain
Percent
Size
ehis.vn
98.2 %
41.45 Mb
code.jquery.com
0.5 %
215.49 Kb
gstatic.com
0.5 %
201.61 Kb
googletagmanager.com
0.4 %
169.67 Kb
connect.facebook.net
0.2 %
89.40 Kb
maxcdn.bootstrapcdn.com
0.1 %
61.79 Kb
google-analytics.com
0.0 %
21.03 Kb
facebook.com
0.0 %
4.07 Kb
googleads.g.doubleclick.net
0.0 %
1.38 Kb
google.com
0.0 %
920 B
TOTAL
100%
42.20 Mb
Requests by domain
Domain
Percent
Requests
ehis.vn
82.1 %
78
code.jquery.com
3.2 %
3
google-analytics.com
3.2 %
3
maxcdn.bootstrapcdn.com
2.1 %
2
google.com
2.1 %
2
googletagmanager.com
2.1 %
2
connect.facebook.net
2.1 %
2
gstatic.com
1.1 %
1
googleads.g.doubleclick.net
1.1 %
1
facebook.com
1.1 %
1
TOTAL
100%
95
CDN Usage 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 is not serving all resources (images, javascript and css) from CDNs!
Modern Image Format Test
38% 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 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.
Image Caching 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 website is using cache headers for images and the browsers will display these images from the cache.
JavaScript 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 webpage is using cache headers for all JavaScript resources.
CSS 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 CSS resources.
JavaScript Minification 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 JavaScript files that are not 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
10% 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
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 URL doesn't have any redirects (which could potentially cause site indexation issues and site loading delays).
Time To First Byte 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.
The Time To First Byte value of this webpage is 0.391 seconds. To provide a good user experience, Google recommends that sites should strive to have a TTFB of 0.8 seconds or less.
0.391 s
0.8 s
1.8 s
First Contentful Paint 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.
The First Contentful Paint value of this webpage is 2.927 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.
2.927 s
1.8 s
3 s
Largest 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 Largest Contentful Paint duration of this webpage is 3.22 seconds. To provide a good user experience, Google recommends that sites should strive to have Largest Contentful Paint of 2.5 seconds or less.
3.22 s
2.5 s
4 s
Largest Contentful Paint element within the viewport:
Text: Trong lĩnh vực Y tế, Bộ Y tế đã có Chỉ thị 02/CT-BYT về việc đẩy mạnh ứng dụng v...
Html:
Trong lĩnh vực Y tế, Bộ Y tế đã có Chỉ thị 02/CT-BYT về việc đẩy mạnh ứng dụng và phát triển công nghệ thông tin trong ngành y tế nhằm cải thiện hiệu quả hoạt động của ngành, đồng thời ban hành luậ
Cumulative Layout Shift 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.
The CLS score of this webpage is 0.0213. To provide a good user experience, Google recommends that sites should strive to have a CLS score of 0.1 or less.
0.0213
0.1
0.25
DOM element which contributes the most to CLS score:
Text: Vì Sao Chọn Chúng Tôi ? Trong lĩnh vực Y tế, Bộ Y tế đã có Chỉ thị 02/CT-BYT về...
Html: <div class="container rs" data-sr-id="2" style="; visibility: visible; -webkit-transform: transla...">
Score: 0.0213
Server and security
Score:64
Failed:3
Warnings:0
Passed:4
URL Canonicalization 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.
https://ehis.vn/ and https://www.ehis.vn/ should resolve to the same URL, but currently do not.
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 "ehis.vn" 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
ehis.vn
Subject Alternative Names
ehis.vn, www.ehis.vn
Not Valid Before
Sat, July 15, 2023 at 12:00:00 AM UTC
Not Valid After
Thu, July 11, 2024 at 11:59:59 PM UTC
Signature Algorithm
sha256WithRsaEncryption
Issuer
RapidSSL TLS RSA CA G1
Intermediate certificate
Common Name
RapidSSL TLS RSA CA G1
Organization
DigiCert Inc
Location
US
Not Valid Before
Thu, November 2, 2017 at 12:24:33 PM UTC
Not Valid After
Tue, November 2, 2027 at 12:24:33 PM UTC
Signature Algorithm
sha256WithRsaEncryption
Issuer
DigiCert Global Root G2
Root certificate
Common Name
DigiCert Global Root G2
Organization
DigiCert Inc
Location
US
Not Valid Before
Thu, August 1, 2013 at 12:00:00 PM UTC
Not Valid After
Fri, January 15, 2038 at 12:00:00 PM UTC
Signature Algorithm
sha256WithRsaEncryption
Issuer
DigiCert Global Root G2
Mixed Content Test (HTTP over HTTPS)
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 does not use mixed content - both the initial HTML and all other resources are loaded over HTTPS.
HTTP2 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 the HTTP/2 protocol.
HSTS Test
82% 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 the Strict-Transport-Security header! This is a security header that was created as a way to force the browser to use secure connections when a site is running over HTTPS.
Plaintext Emails 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 does not include email addresses in plaintext.
Unsafe Cross-Origin Links Test
49% 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 target="_blank" links without rel="noopener" or rel="noreferrer" attribute, which can expose it to performance and security issues!
Mobile usability
Score:100
Failed:0
Warnings:0
Passed:3
Meta Viewport Test
88% 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=1.0" />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:35
Failed:4
Warnings:0
Passed:5
Structured Data 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.
This webpage doesn't take the advantages of HTML Microdata or JSON-LD specifications in order to use structured data! View Google's guide for getting started with structured data.
Custom 404 Error Page 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 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
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 not using a meta refresh tag.
SPF Records 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 DNS server is using an SPF record.
v=spf1 a mx include:spf.maychuemail.com -all
Ads.txt Validation Test
68% 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 access to the ads.txt file is restricted! Our request for this resource has returned a {status_code} HTTP status code. In order for this resource to be easily accessed by the DSPs and advertisers, its status code should be 200 OK.
