1.8 sec in total
167 ms
1 sec
562 ms
Click here to check amazing PDF Stacks content for United States. Otherwise, check out these important facts you probably never knew about pdfstacks.com
PDF Stacks software program helps you organize and manage PDF files, papers and documents. Easily search and read your PDF documents on a PC and MAC
Visit pdfstacks.comWe analyzed Pdfstacks.com page load time and found that the first response time was 167 ms and then it took 1.6 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.
pdfstacks.com performance score
name
value
score
weighting
Value3.4 s
39/100
10%
Value7.2 s
5/100
25%
Value8.3 s
19/100
10%
Value20,550 ms
0/100
30%
Value0.468
19/100
15%
Value29.7 s
0/100
10%
167 ms
187 ms
61 ms
100 ms
97 ms
Our browser made a total of 43 requests to load all elements on the main page. We found that 49% of them (21 requests) were addressed to the original Pdfstacks.com, 16% (7 requests) were made to Fonts.gstatic.com and 5% (2 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (473 ms) relates to the external source Connect.facebook.net.
Page size can be reduced by 457.8 kB (38%)
1.2 MB
759.9 kB
In fact, the total size of Pdfstacks.com main page is 1.2 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. 50% of websites need less resources to load. Images take 600.0 kB which makes up the majority of the site volume.
Potential reduce by 29.3 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 29.3 kB or 77% of the original size.
Potential reduce by 24.5 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 Stacks images are well optimized though.
Potential reduce by 201.4 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 201.4 kB or 60% of the original size.
Potential reduce by 202.6 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. Pdfstacks.com needs all CSS files to be minified and compressed as it can save up to 202.6 kB or 83% of the original size.
Number of requests can be reduced by 16 (48%)
33
17
The browser has sent 33 CSS, Javascripts, AJAX and image requests in order to completely render the main page of PDF Stacks. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.
pdfstacks.com
167 ms
pdfstacks.com
187 ms
bootstrap.min.css
61 ms
bootstrap-theme.min.css
100 ms
main.css
97 ms
modernizr-2.6.2-respond-1.1.0.min.js
101 ms
jquery.min.js
67 ms
bootstrap.min.js
96 ms
plugins.js
88 ms
main.js
98 ms
conversion.js
40 ms
b082d490b1ce4d94a6f45dd76d180e80736ec6bc.js
83 ms
css
62 ms
body_bgd_@2X.png
175 ms
fbds.js
473 ms
SlVeZ-PpSWk
216 ms
ga.js
179 ms
jumpotron_bgd.jpg
183 ms
hdr-logo.png
85 ms
monitor.png
344 ms
gray-dot.gif
84 ms
customer.png
344 ms
cream_pixels.gif
84 ms
makeuseof.png
154 ms
ftr-logo.png
153 ms
icon_windows_18h.png
154 ms
icon_mac_18h.png
196 ms
cJZKeOuBrn4kERxqtaUH3aCWcynf_cDxXwCLxiixG1c.ttf
117 ms
k3k702ZOKiLJc3WVjuplzInF5uFdDttMLvmWuJdhhgs.ttf
136 ms
LQ7WLTaITDg4OSRuOZCpsy3USBnSvpkopQaUR-2r7iU.ttf
151 ms
glyphicons-halflings-regular.woff
259 ms
xjAJXh38I15wypJXxuGMBp0EAVxt0G0biEntp43Qt6E.ttf
149 ms
12s2RmDL07FbbR6-gk
122 ms
css
23 ms
MTP_ySUJH_bn48VBG8sNSonF5uFdDttMLvmWuJdhhgs.ttf
111 ms
www-embed-player-vflfNyN_r.css
108 ms
www-embed-player.js
137 ms
__utm.gif
152 ms
151 ms
Tqng9ngJVK4Gqvh3e602hP-HqlN49KFEUSDtmrOPmWo.js
15 ms
ad_status.js
35 ms
zN7GBFwfMP4uA6AR0HCoLQ.ttf
9 ms
RxZJdnzeo3R5zSexge8UUaCWcynf_cDxXwCLxiixG1c.ttf
8 ms
pdfstacks.com accessibility score
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
Form elements do not have associated labels
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
Internationalization and localization
These are opportunities to improve the interpretation of your content by users in different locales.
Impact
Issue
<html> element does not have a [lang] attribute
pdfstacks.com 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
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Page has valid source maps
pdfstacks.com 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
EN
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Pdfstacks.com can be misinterpreted by Google and other search engines. Our service has detected that English 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 Pdfstacks.com 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.
pdfstacks.com
Open Graph description is not detected on the main page of PDF Stacks. 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: