6.5 sec in total
1.6 sec
4.7 sec
290 ms
Visit pdf.vn now to see the best up-to-date PDF content for Vietnam and also check out these interesting facts you probably never knew about pdf.vn
PDF - Phần mềm đọc file PDF, chuyển PDF sang Word, chuyển Word sang PDF, chuyển tài liệu scan sang Word
Visit pdf.vnWe analyzed Pdf.vn page load time and found that the first response time was 1.6 sec and then it took 5 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster. This domain responded with an error, which can significantly jeopardize Pdf.vn rating and web reputation
pdf.vn performance score
name
value
score
weighting
Value5.2 s
8/100
10%
Value8.7 s
1/100
25%
Value16.3 s
0/100
10%
Value28,980 ms
0/100
30%
Value0.359
30/100
15%
Value42.4 s
0/100
10%
1586 ms
1936 ms
1005 ms
28 ms
1001 ms
Our browser made a total of 29 requests to load all elements on the main page. We found that 90% of them (26 requests) were addressed to the original Pdf.vn, 7% (2 requests) were made to Google-analytics.com and 3% (1 request) were made to Ajax.googleapis.com. The less responsive or slowest element that took the longest time to load (1.9 sec) belongs to the original domain Pdf.vn.
Page size can be reduced by 239.3 kB (29%)
822.4 kB
583.1 kB
In fact, the total size of Pdf.vn main page is 822.4 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. 30% of websites need less resources to load. Images take 585.8 kB which makes up the majority of the site volume.
Potential reduce by 20.7 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 20.7 kB or 81% of the original size.
Potential reduce by 59.9 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. PDF images are well optimized though.
Potential reduce by 46.7 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 46.7 kB or 62% of the original size.
Potential reduce by 112.0 kB
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. Pdf.vn needs all CSS files to be minified and compressed as it can save up to 112.0 kB or 83% of the original size.
Number of requests can be reduced by 3 (12%)
26
23
The browser has sent 26 CSS, Javascripts, AJAX and image requests in order to completely render the main page of PDF. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.
pdf.vn
1586 ms
bootstrap.min.css
1936 ms
style.min.css
1005 ms
jquery.min.js
28 ms
modernizr.min.js
1001 ms
customscript.js
1016 ms
logo.png
253 ms
adv_728x90.jpg
256 ms
huong-dan-cat-file-pdf-online_100138.jpg
257 ms
tao-bookmark-cho-tai-lieu-pdf_115409.png
1003 ms
chuyen-pdf-sang-prc_092538.jpg
259 ms
pdf-to-excel_111858.png
753 ms
pdf-xchange-viewer_101828.jpg
505 ms
go-mat-khau-file-pdf_101529.jpg
756 ms
chuyen-file-prc-sang-pdf_101214.png
1535 ms
sumatra-pdf_051420.jpg
764 ms
pdf-to-dwg-converter_044747.jpg
758 ms
mo-file-pdf-sau-khi-da-luu_032558.jpg
1505 ms
pdf-to-word-online_123727.jpg
1009 ms
2-phan-mem-mien-phi-chuyen-doi-pdf-sang-word-tot-nhat_111540.png
1011 ms
jpg-to-pdf_043928.jpg
1020 ms
pdf-to-word_034148.jpg
1258 ms
social-facebook.png
1263 ms
social-googleplus.png
1264 ms
social-twitter.png
1275 ms
analytics.js
25 ms
glyphicons-halflings-regular.woff
1463 ms
collect
13 ms
glyphicons-halflings-regular.ttf
269 ms
pdf.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-*] attributes do not match their roles
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
<frame> or <iframe> elements do not have a title
pdf.vn best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Displays images with incorrect aspect ratio
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Page has valid source maps
pdf.vn SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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
VI
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Pdf.vn can be misinterpreted by Google and other search engines. Our service has detected that Vietnamese is used on the page, and it matches the claimed language. Our system also found out that Pdf.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.
pdf.vn
Open Graph description is not detected on the main page of PDF. 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: