Analyze Luyện thi chứng chỉ tiếng anh A2, B1, B2 hàng đầu Việt Nam - EduLife

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Page load speed analysis

  • 56/100

    Normal result
  • 7

    Successful tests
  • 1

    Failed test
  • First response

    71 ms

  • Resources loaded

    10.9 sec

  • Page rendered

    402 ms

  • Total page load time

    11.3 sec

Click here to check amazing Tuyensinh content for Vietnam. Otherwise, check out these important facts you probably never knew about

We analyzed page load time and found that the first response time was 71 ms and then it took 11.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Page optimization

  • HTML 255.7 kB
    Images 531.1 kB
    Javascripts 112.0 kB
    CSS 56.7 kB

    In fact, the total size of main page is 955.6 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 531.1 kB which makes up the majority of the site volume.

    • Original 255.7 kB
    • After minification 252.8 kB
    • After compression 49.6 kB

    HTML optimization

    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 206.1 kB or 81% of the original size.

    • Original 531.1 kB
    • After optimization 524.9 kB

    Image optimization

    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. Tuyensinh images are well optimized though.

    • Original 112.0 kB
    • After minification 112.0 kB
    • After compression 41.9 kB

    JavaScript optimization

    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 70.0 kB or 63% of the original size.

    • Original 56.7 kB
    • After minification 52.7 kB
    • After compression 11.4 kB

    CSS optimization

    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. needs all CSS files to be minified and compressed as it can save up to 45.3 kB or 80% of the original size.

Network requests diagram

  • css
  • font-awesome.css
  • css
  • 1535467126-widget_css_2_bundle.css
  • jquery.min.js
  • jquery-1.8.3.js
  • plusone.js
  • 3731899860-widgets.js
  • 13127704793_6ec8319b3d_o.jpg
  • all.js
  • tuyensinh-logo.png
  • icon18_wrench_allbkg.png
  • Ngo-Di-Lan-2-8384-1456374643.jpg
  • sach_lich_su.jpg
  • truongquandoi.jpg
  • HS-bi-danh-2-4234-1456388330-8492-1456390721.jpg
  • thi-Toan-lop-10-6364-143401938-7902-3844-1456394445.jpg
  • Truong-Tan-Sang-8449-1456396044.jpg
  • DSC-0010-JPG-6572-1456450152.jpg
  • tuyensinhquandoi.jpg
  • cb=gapi.loaded_0
  • cb=gapi.loaded_1
  • google_top_exp.js
  • facebook.png
  • top-shadow.png
  • default
  • vimeo.png
  • slider-holder.png
  • flickr.png
  • dribbble.png
  • googleplus.png
  • linkedin.png
  • title_pat.png
  • twitter.png
  • icon-search.png
  • blank.html
  • navbar.g
  • fontawesome-webfont.woff
  • icons_peach.png
  • arrows-light.png
  • default
  • zing_truong.jpg
  • dien_thoai_thong_minh.jpg
  • zing_daihoc.jpg
  • cb=gapi.loaded_0
  • cb=gapi.loaded_1
  • fastbutton
  • postmessageRelay
  • cb=gapi.loaded_0
  • cb=gapi.loaded_1
  • 3193398744-postmessagerelay.js
  • rpc:shindig_random.js
  • tintuyensinh
  • cb=gapi.loaded_0
  • xd_arbiter.php
  • xd_arbiter.php
  • gradient.png
  • lop_10_1.jpg
  • thi_sinh_UXODjpgashx_1.jpg
  • buivanga_1.jpg
  • NT1_1.jpg
  • duhoc
  • 10154244_10202692544208572_2134279565_n.jpg
  • 1886__Trinity_College.jpg
  • dai_su_my_1.JPG
  • 7a_AMWKa_LIBPjpg.jpg
  • huongnghiep
  • truongquandoi.jpg
  • truonghoc
  • thituyen
  • diemthi
  • hoctap
  • summary
  • default

Our browser made a total of 78 requests to load all elements on the main page. We found that 15% of them (12 requests) were addressed to the original, 17% (13 requests) were made to and 14% (11 requests) were made to The less responsive or slowest element that took the longest time to load (10.2 sec) relates to the external source

Additional info on


The browser has sent 74 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Tuyensinh. 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 4 to 1 for CSS and as a result speed up the page load time.











Possible request optimization













Normal result


As for redirects, our browser was forwarded to before it reached this domain.

IP address

This IP address is dedicated to This is the best domain hosting practice .

Good result

IP Trace

DNS records

Type Host Target/ip TTL Other
NS 3600
NS 3600
NS 3600

3600 Mname:
Serial: 1621236461
Refresh: 3569
Retry: 600
Expire: 86400
Minimum-ttl: 3600

Language and encoding

Normal result


VI vi language flag


N/A  language flag





Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise 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 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.

HTTPS certificate

SSL Certificate has no SSL certificate. Web browsing can be safer with HTTPS connection, so we suggest that it should be obtained for this site.

Normal result

Visitor World Map

Country of origin for 100% of all visits is Vietnam. Unfortunately, we cannot track the location of server and thus cannot define if the distance between their user base and server can potentially affect the page load time

Good result

Poor result

Social Sharing Optimization

Open Graph description is not detected on the main page of Tuyensinh. 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:

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