4.5 sec in total
361 ms
2.6 sec
1.5 sec
Welcome to khoahocseo.vn homepage info - get ready to check Khoahoc SEO best content for Vietnam right away, or after learning these important things about khoahocseo.vn
So sánh, đánh giá thông tin danh sách các khóa học SEO từ cơ bản tới nâng cao (online và offline) tại các trung tâm đào tạo SEO tại Hà Nội, Hồ Chí Minh, Đà Nẵng....
Visit khoahocseo.vnWe analyzed Khoahocseo.vn page load time and found that the first response time was 361 ms and then it took 4.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.
khoahocseo.vn performance score
name
value
score
weighting
Value3.5 s
35/100
10%
Value5.8 s
15/100
25%
Value3.6 s
87/100
10%
Value200 ms
90/100
30%
Value0.006
100/100
15%
Value5.6 s
69/100
10%
361 ms
465 ms
41 ms
87 ms
145 ms
Our browser made a total of 85 requests to load all elements on the main page. We found that 5% of them (4 requests) were addressed to the original Khoahocseo.vn, 12% (10 requests) were made to Apis.google.com and 12% (10 requests) were made to Static.xx.fbcdn.net. The less responsive or slowest element that took the longest time to load (485 ms) relates to the external source Scontent.xx.fbcdn.net.
Page size can be reduced by 676.4 kB (49%)
1.4 MB
718.1 kB
In fact, the total size of Khoahocseo.vn main page is 1.4 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 70% of websites need less resources to load. Javascripts take 704.9 kB which makes up the majority of the site volume.
Potential reduce by 191.6 kB
HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 191.6 kB or 75% of the original size.
Potential reduce by 33.8 kB
Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. Khoahoc SEO images are well optimized though.
Potential reduce by 450.4 kB
It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 450.4 kB or 64% of the original size.
Potential reduce by 514 B
CSS files minification is very important to reduce a web page rendering time. The faster CSS files can load, the earlier a page can be rendered. Khoahocseo.vn has all CSS files already compressed.
Number of requests can be reduced by 34 (44%)
78
44
The browser has sent 78 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Khoahoc SEO. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 26 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.
khoahocseo.vn
361 ms
www.khoahocseo.vn
465 ms
css
41 ms
1708208307-widget_css_bundle.css
87 ms
authorization.css
145 ms
jquery.min.js
103 ms
plusone.js
124 ms
addthis_widget.js
53 ms
yrK4EqpSRdoujKQmsJoZ5WaLgeULvcWnibQMQSxOOnM.js
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csi.js
68 ms
310590189-widgets.js
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analytics.js
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background.png
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4.png
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01.jpg
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TICK5.png
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icon18_wrench_allbkg.png
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cb=gapi.loaded_0
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cb=gapi.loaded_1
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google_top_exp.js
90 ms
student1.png
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student2.png
95 ms
dang-ky-khoa-hoc-seo.jpg
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cac-mau-template-dep-cho-blogger-2015.png
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cach-doi-slide-anh-tren-blogspot.png
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cach-xoa-ban-quyen-blogger.png
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01.jpg
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www.khoahocseo.vn
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02.jpg
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tick4.png
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student3.png
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L%C6%B0%C6%A1ng%2BQu%E1%BB%91c%2BTr%C6%B0%E1%BB%9Dng%2B(2).jpgg
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dang-ky-khoa-hoc.gif
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cach-kiem-tien-tren-youtube.jpg
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cach-thay-doi-template-cho-blogspot.png
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huong-dan-lam-weebly.png
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dang-ky-khoa-hoc.gif
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meo-nho-tang-view-cho-video.jpg
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cach-chinh-sua-thanh-menu.png
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tao%2Bblog.png
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y7lebkjgREBJK96VQi37Zp0EAVxt0G0biEntp43Qt6E.ttf
98 ms
dazS1PrQQuCxC3iOAJFEJbfB31yxOzP-czbf6AAKCVo.ttf
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dazS1PrQQuCxC3iOAJFEJZ_TkvowlIOtbR7ePgFOpF4.ttf
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likebox.php
283 ms
300lo.json
77 ms
collect
51 ms
blank.html
46 ms
navbar.g
69 ms
lL2b34Z7dj7.css
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guHxiHaOfJH.css
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_rx8naC75Dy.js
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b94UUzHjapV.js
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sh.7c7179124ea24ac6ba46caac.html
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layers.648fb6c882fbeb98be27.js
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icons_peach.png
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platform:gapi.iframes.style.common.js
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arrows-light.png
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cb=gapi.loaded_0
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cb=gapi.loaded_1
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fastbutton
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postmessageRelay
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api.js
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core:rpc:shindig.random:shindig.sha1.js
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2536007149-postmessagerelay.js
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cb=gapi.loaded_0
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cb=gapi.loaded_1
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views2.json
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clusters2.json
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url.json
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f6T91Deal_q.js
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khoahocseo.vn accessibility score
ARIA
These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.
Impact
Issue
[aria-hidden="true"] elements contain focusable descendents
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Names and labels
These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.
Impact
Issue
Image elements do not have [alt] attributes
Links do not have a discernible name
khoahocseo.vn best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Displays images with incorrect aspect ratio
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Page has valid source maps
khoahocseo.vn SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Image elements do not have [alt] attributes
Mobile Friendly
Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).
Impact
Issue
Document uses legible font sizes
Tap targets are not sized appropriately
VI
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Khoahocseo.vn can be misinterpreted by Google and other search engines. Our service has detected that Vietnamese is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Khoahocseo.vn main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.
khoahocseo.vn
Open Graph description is not detected on the main page of Khoahoc SEO. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: