2.8 sec in total
345 ms
1.9 sec
569 ms
Click here to check amazing PDF Merge R content. Otherwise, check out these important facts you probably never knew about pdfmerger.biz
A free and open source software to merge, split, rotate and extract pages from PDF files. For Windows, Linux and Mac
Visit pdfmerger.bizWe analyzed Pdfmerger.biz page load time and found that the first response time was 345 ms and then it took 2.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.
pdfmerger.biz performance score
name
value
score
weighting
Value4.3 s
17/100
10%
Value7.3 s
5/100
25%
Value5.8 s
50/100
10%
Value370 ms
71/100
30%
Value0.583
11/100
15%
Value10.0 s
27/100
10%
345 ms
41 ms
155 ms
27 ms
173 ms
Our browser made a total of 42 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Pdfmerger.biz, 64% (27 requests) were made to Pdfsam.org and 10% (4 requests) were made to Cdnjs.cloudflare.com. The less responsive or slowest element that took the longest time to load (655 ms) relates to the external source Pdfsam.org.
Page size can be reduced by 74.8 kB (9%)
816.4 kB
741.6 kB
In fact, the total size of Pdfmerger.biz main page is 816.4 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. 50% of websites need less resources to load. Images take 684.3 kB which makes up the majority of the site volume.
Potential reduce by 63.9 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. This page needs HTML code to be minified as it can gain 12.1 kB, which is 15% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 63.9 kB or 79% of the original size.
Potential reduce by 3.6 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 Merge R images are well optimized though.
Potential reduce by 7.4 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 7.4 kB or 14% 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 Merge R. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 17 to 1 for JavaScripts and as a result speed up the page load time.
pdfmerger.biz
345 ms
www.pdfsam.org
41 ms
www.pdfsam.org
155 ms
pdfsam.org
27 ms
pdfsam.org
173 ms
materialize.min.css
27 ms
modernizr-3.12.0.min.js
48 ms
jquery-3.5.1.min.js
42 ms
materialize.min.js
61 ms
loadCSS.min.js
40 ms
plugins.js
45 ms
main.js
107 ms
cookieconsent.min.js
119 ms
js
138 ms
myunslider.min.js
117 ms
39895559.js
121 ms
pdfsam.svg
103 ms
lock.svg
101 ms
open-source.svg
104 ms
ribbon.svg
115 ms
bg.webp
84 ms
Sansation-Regular-webfont.woff
32 ms
collectedforms.js
64 ms
39895559.js
75 ms
fb.js
63 ms
feedbackweb-new.js
105 ms
web-interactives-embed.js
83 ms
conversations-embed.js
69 ms
banner.js
70 ms
normalize.min.css
31 ms
PDFsam_Enhanced_fun.png
256 ms
PDFsam_Basic_fun.png
168 ms
PDFsam_Visual_fun.png
160 ms
basic-laptop.jpg
333 ms
merge-home.jpg
376 ms
enhanced-edit-home.jpg
250 ms
enhanced-review-home.jpg
396 ms
visual-split-homee.jpg
298 ms
visual-organize-pdf-pages.jpg
655 ms
font-awesome.min.css
19 ms
16 ms
120 ms
pdfmerger.biz accessibility score
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
Heading elements are not in a sequentially-descending order
pdfmerger.biz best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Displays images with incorrect aspect ratio
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Page has valid source maps
pdfmerger.biz 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
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Pdfmerger.biz can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Pdfmerger.biz 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.
pdfmerger.biz
Open Graph data is detected on the main page of PDF Merge R. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: