8.6 sec in total
538 ms
5.2 sec
2.9 sec
Visit zim.vn now to see the best up-to-date ZIM content for Vietnam and also check out these interesting facts you probably never knew about zim.vn
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Visit zim.vnWe analyzed Zim.vn page load time and found that the first response time was 538 ms and then it took 8.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.
zim.vn performance score
name
value
score
weighting
Value3.1 s
47/100
10%
Value5.0 s
26/100
25%
Value28.0 s
0/100
10%
Value47,540 ms
0/100
30%
Value0.049
99/100
15%
Value70.1 s
0/100
10%
538 ms
1366 ms
29 ms
296 ms
553 ms
Our browser made a total of 46 requests to load all elements on the main page. We found that 72% of them (33 requests) were addressed to the original Zim.vn, 15% (7 requests) were made to Graphnet-api.zim.vn and 9% (4 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (2.8 sec) belongs to the original domain Zim.vn.
Page size can be reduced by 218.2 kB (20%)
1.1 MB
856.4 kB
In fact, the total size of Zim.vn main page is 1.1 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. 55% of websites need less resources to load. Images take 825.7 kB which makes up the majority of the site volume.
Potential reduce by 209.9 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 209.9 kB or 84% of the original size.
Potential reduce by 8.2 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. ZIM images are well optimized though.
Number of requests can be reduced by 25 (66%)
38
13
The browser has sent 38 CSS, Javascripts, AJAX and image requests in order to completely render the main page of ZIM. 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 as a result speed up the page load time.
zim.vn
538 ms
zim.vn
1366 ms
fbevents.js
29 ms
6d2472bb357a53ba.css
296 ms
e4801e57b7704c25.css
553 ms
59ecaf8a3f8d0b90.css
771 ms
polyfills-c67a75d1b6f99dc8.js
1150 ms
dbf3ce33.3ed2fc510bd289af.js
1300 ms
1539.9e736a68ba8badbe.js
1131 ms
6423.aa35f373e690781d.js
1130 ms
9201.e4c7c113dfcf40dd.js
1132 ms
1838.70cc59df3e86a4e9.js
1217 ms
5257.93dfae0bb341a70d.js
1217 ms
506-04482e835604a897.js
1217 ms
ae51ba48-166ba9587a6275c7.js
1217 ms
1a48c3c1-26d97da0f418833d.js
1386 ms
d64684d8-34e14c52006e831e.js
1515 ms
6256.57da1e7734257b11.js
1537 ms
7437-84e1c6cc509b6d53.js
1528 ms
3841-086977ca52441e58.js
1531 ms
9786.64f4961b6f0465f8.js
1539 ms
7046.3244136ffb3b160e.js
1700 ms
webpack-0f2332798d28bfe5.js
1823 ms
framework-3412d1150754b2fb.js
2068 ms
main-1773e7c19783368c.js
2074 ms
_app-222e8ebd74cd0160.js
2809 ms
1bfc9850-f3f2fbc9ddc22f0b.js
1831 ms
3005-0c78a99d768ab2fe.js
2354 ms
index-0897349244014797.js
2744 ms
_buildManifest.js
2755 ms
_ssgManifest.js
2755 ms
d32eef1f-b07e-48f0-a5e6-38d447ce28a1.jpg
1047 ms
logo.png
2093 ms
bct-dathongbao.png
1862 ms
d8dcc3af-ce34-42be-a733-1d91b6c88794.jpg
978 ms
6c417c68-c074-49df-876d-6b4da48c0576.jpg
1043 ms
6d3c4dfc-404f-46ba-86da-9127c8648c01.jpg
1039 ms
7211449e-d363-4bc0-b2e2-4288f18bea51.jpg
1043 ms
6d7b08f2-aad6-47bc-b57c-5d7d8fece4f5.jpg
1044 ms
1_f498612e-6e42-454f-8fea-6aa481e4a14b.jpg
2375 ms
KFOmCnqEu92Fr1Me5g.woff
116 ms
KFOlCnqEu92Fr1MmEU9vAA.woff
238 ms
KFOlCnqEu92Fr1MmSU5vAA.woff
240 ms
KFOlCnqEu92Fr1MmWUlvAA.woff
240 ms
nexa-bold.woff
1856 ms
js15_as.js
315 ms
zim.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
Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.
[role]s are not contained by their required parent element
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
[id] attributes on active, focusable elements are not unique
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
<frame> or <iframe> elements do not have a title
Links do not have a discernible name
zim.vn best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Requests the geolocation permission on page load
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Missing source maps for large first-party JavaScript
zim.vn SEO score
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
N/A
VI
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Zim.vn can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else), while the claimed language is Vietnamese. Our system also found out that Zim.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.
zim.vn
Open Graph data is detected on the main page of ZIM. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: