Analyze CLB Viet Stamp * Con tem nhỏ mở ra khung trời lớn

Câu lạc bộ Viet Stamp Trao đổi sưu tầm tem Việt Nam và tem quốc tế

Page load speed analysis

  • 43/100

    Normal result
  • 5

    Successful tests
  • 3

    Failed tests
  • First response

    2.1 sec

  • Resources loaded

    7 sec

  • Page rendered

    732 ms

  • Total page load time

    9.9 sec

Visit now to see the best up-to-date Viet Stamp content for Vietnam and also check out these interesting facts you probably never knew about

We analyzed page load time and found that the first response time was 2.1 sec and then it took 7.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Page optimization

  • HTML 239.9 kB
    Images 1.7 MB
    Javascripts 1.1 MB
    CSS 316.4 kB

    In fact, the total size of main page is 3.4 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. 75% 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 1.7 MB which makes up the majority of the site volume.

    • Original 239.9 kB
    • After minification 239.7 kB
    • After compression 52.4 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 187.5 kB or 78% of the original size.

    • Original 1.7 MB
    • After optimization 1.7 MB

    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. Viet Stamp images are well optimized though.

    • Original 1.1 MB
    • After minification 1.0 MB
    • After compression 338.4 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 724.8 kB or 68% of the original size.

    • Original 316.4 kB
    • After minification 301.7 kB
    • After compression 53.1 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 263.3 kB or 83% of the original size.

Network requests diagram

  • default.css
  • default.js
  • xmlhttp.js
  • jquery.min.js
  • jquery.selectbox-0.5.js
  • selectbox.css
  • login.js
  • hainhan.css
  • chrome.js
  • ddaccordion.css
  • ddaccordion.js
  • nivo-slider.css
  • default.css
  • jquery.nivo.slider.pack.js
  • default.js
  • mootools.js
  • mootools-more-drag.js
  • LightFace.js
  • lightface.css
  • account.js
  • nivo-slider.css
  • jquery-1.6.1.min.js
  • jquery.nivo.slider.pack.js
  • addthis_widget.js
  • loading2.gif
  • online
  • bg.jpg
  • top-bg.jpg
  • logo.png
  • mypage.jpg
  • btsearch.png
  • en.jpg
  • 21272807_21280997_Banner%20VSW_TSHS_ngoai.jpg
  • 10301970_banner-forum.jpg
  • 10302560_banner-shop.jpg
  • rss.gif
  • 18322646_Viet%20Stamp_bang%20vuong_thumbnail.jpg
  • 17155842_Viet%20Stamp_tem%201824_thumbnail.jpg
  • 22333901_Viet%20Stamp_1057_Chao%20mung%20Cong%20dong%20ASEAN_3641_s12_thumbnail.jpg
  • 18540434_14360767_Viet%20Stamp_tem_Tet%20De_Hoa%20Ky_thumbnail.png
  • 13523254_Viet%20Stamp_tem_Iceland_nha%20tho_s12_thumbnail.jpg
  • 21425953_Article_1496_thumbnail.jpg
  • 00385886_Viet%20Stamp_Tem%20nu%20than%20tu%20do_thumbnail.jpg
  • 00375670_Viet%20Stamp_536_Quan%20dao%20Hoang%20Sa,%20Truong%20Sa_Bo%20tem_thumbnail.jpg
  • 00591830_Viet%20Stamp_UN_2011_Tem%20tu%20dinh%20dau%20tien_thumbnail.jpg
  • 16405254_Viet%20Stamp_Sri%20Lanka_HCM_tem_thumbnail.jpg
  • 01274104_Article_1643_thumbnail.jpg
  • 15013486_Viet%20Stamp_TCT130_bia_s_thumbnail.jpg
  • amodify.png
  • 12062696_Viet%20Stamp-Khai%20mac%20trien%20lam%20tem%20Nga_2_thumbnail.jpg
  • 23570361_Viet%20Stamp_Do%20Thanh%20Kim_s12_thumbnail.jpg
  • 01440294_Logo%20TLVS9_2015s12_thumbnail.jpg
  • 15030680_Viet%20Stamp_Tem%20Doan%20TNCS_thumbnail.jpg
  • 22480473_HTTPHCM_thumbnail.jpg
  • 23191062_BTTTT_thumbnail.jpg
  • 12192109_Article_28_thumbnail.jpg
  • sharefb.jpg
  • 09094810_FDC%20Hang%20khong%20DDVN_s12_thumbnail.jpg
  • 00433360_tem-nguyen-du_thumbnail.jpg
  • 00122485_BTTTT_thumbnail.jpg
  • 00321218_botemtetbinhthan_thumbnail.jpg
  • 14204077_CAAV_logo_thumbnail.jpg
  • 15321155_VNG_thumbnail.jpg
  • 22394443_Viet%20Stamp_1056_Ky%20niem%20100%20nam%20sinh%20Nguyen%20Van%20Linh%20(1915-1998)_3640_s12_thumbnail.jpg
  • 13432950_COTEVINA_thumbnail.jpg
  • 14042483_Viet%20Stamp_mau_tem_Dai_tuong_Hoang_Van_Thai_thumbnail.jpg
  • 22104740_Logo%20VietNam%20Post_s_thumbnail.jpg
  • ga.js
  • 17134237_Viet%20Stamp_FDC%20Hung%20Vuong_s12_thumbnail.jpg
  • 300lo.json
  • all.js&version=v2.0
  • plusone.js
  • counter.8eb9e83b9fa0d4af1e4f.js
  • __utm.gif
  • sh.7c7179124ea24ac6ba46caac.html
  • driTAHGhVUo
  • 16254918_HTTPHCM_thumbnail.jpg
  • 11224657_Logo%20VietNam%20Post_s_thumbnail.jpg
  • shares.json
  • layers.3643cb2e25fb91c29386.js
  • cb=gapi.loaded_0
  • cb=gapi.loaded_1
  • fastbutton
  • 21005304_Logo%20VietNam%20Post_s_thumbnail.jpg
  • www-embed-player-vflZsBgOl.css
  • www-embed-player.js
  • base.js
  • 15035259_Logo%20VietNam%20Post_s_thumbnail.jpg
  • xd_arbiter.php
  • xd_arbiter.php
  • 14450236_Viet%20Stamp_mau%20tem%20dau%20asean_thumbnail.jpg
  • postmessageRelay
  • btleft01.jpg
  • cb=gapi.loaded_0
  • cb=gapi.loaded_1
  • W5F8_SL0XFawnjxHGsZjJA.ttf
  • api.js
  • core:rpc:shindig.random:shindig.sha1.js
  • 2536007149-postmessagerelay.js
  • 6BOEML_YqI6cKINK5dmh8ZufcXg7sBa4jeB-I9gQ0xI.js
  • ad_status.js
  • zN7GBFwfMP4uA6AR0HCoLQ.ttf
  • RxZJdnzeo3R5zSexge8UUaCWcynf_cDxXwCLxiixG1c.ttf
  • btright01.jpg
  • 15230403_banner%20Cty%20Tem_233.jpg
  • 15234773_16241510_vietnam-thegioi.jpg
  • 15183437_banner%20SHOP%20Ngoc%20Ngan%20copy_233.jpg
  • 13553982_trongdaostamp.jpg
  • 15204516_16230167_cuahangnganthao.jpg
  • 15190295_banner%20co%20so%20Tuan%20Phong_233.jpg
  • 15022011_17005089_kapi2.jpg
  • bgsearch.png
  • menu-bg.jpg
  • _chromebg.gif
  • loading.gif
  • bullet.gif
  • home-space.png
  • tab-bg.jpg
  • ping
  • arrows.png
  • like.php
  • vpc6VNjRPXV.js
  • LVx-xkvaJ0b.png

Our browser made a total of 126 requests to load all elements on the main page. We found that 70% of them (88 requests) were addressed to the original, 6% (7 requests) were made to and 3% (4 requests) were made to The less responsive or slowest element that took the longest time to load (2.5 sec) belongs to the original domain

Additional info on


The browser has sent 119 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Viet Stamp. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 34 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.











Possible request optimization













Normal result

IP address uses IP address which is currently shared with 4 other domains. The more sites share the same IP address, the higher the host server’s workload is. It is strongly recommended that the host server should be changed or the hosting provider should be requested to give a different (separate) IP address for this domain.

Poor result

IP Trace

DNS records

Type Host Target/ip TTL Other
A 300
NS 300
NS 300

300 Mname:
Serial: 2008031820
Refresh: 14400
Retry: 172800
Expire: 2073600
Minimum-ttl: 86400

300 Txt: v=spf1

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. It’s good for that their server is also located in Vietnam, as that enables the majority of their visitors to benefit from a much faster page load time.

Good result

Poor result

Social Sharing Optimization

Open Graph description is not detected on the main page of Viet Stamp. 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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