Tools & Wizards About Us
pdfdu.com screenshot

Report Summary

  • 87

    Performance

    Renders faster than
    90% of other websites

  • 95

    Accessibility

    Visual factors better than
    that of 87% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 100

    SEO

    Google-friendlier than
    95% of websites

pdfdu.com

PDFdu.com -- Free Online PDF Converter

Page Load Speed

3.4 sec in total

First Response

806 ms

Resources Loaded

2.3 sec

Page Rendered

236 ms

pdfdu.com screenshot

About Website

Click here to check amazing PDFdu content for India. Otherwise, check out these important facts you probably never knew about pdfdu.com

PDFdu provide a full range of PDF conversion, one-stop service, you can sconvert, rotate, delete, extract pdf or add watermark to pdf and so on.

Visit pdfdu.com

Key Findings

We analyzed Pdfdu.com page load time and found that the first response time was 806 ms and then it took 2.6 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

pdfdu.com performance score

87

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.7 s

92/100

10%

LCP (Largest Contentful Paint)

Value1.7 s

99/100

25%

SI (Speed Index)

Value4.3 s

75/100

10%

TBT (Total Blocking Time)

Value50 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.32

36/100

15%

TTI (Time to Interactive)

Value2.1 s

99/100

10%

Network Requests Diagram

pdfdu.com

806 ms

style.css

162 ms

jquery-1.8.2.min.js

498 ms

jquery.ui.draggable.js

250 ms

jquery.hiAlerts-min.js

262 ms

Our browser made a total of 41 requests to load all elements on the main page. We found that 80% of them (33 requests) were addressed to the original Pdfdu.com, 7% (3 requests) were made to Jk.revolvermaps.com and 7% (3 requests) were made to Rk.revolvermaps.com. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Pdfdu.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 288.7 kB (40%)

Content Size

728.8 kB

After Optimization

440.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Pdfdu.com main page is 728.8 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 361.6 kB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 37.1 kB

  • Original 42.4 kB
  • After minification 23.8 kB
  • After compression 5.3 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. This page needs HTML code to be minified as it can gain 18.6 kB, which is 44% 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 37.1 kB or 88% of the original size.

Image Optimization

-6%

Potential reduce by 23.1 kB

  • Original 361.6 kB
  • After minification 338.6 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. PDFdu images are well optimized though.

JavaScript Optimization

-70%

Potential reduce by 212.6 kB

  • Original 303.3 kB
  • After minification 290.2 kB
  • After compression 90.6 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 212.6 kB or 70% of the original size.

CSS Optimization

-74%

Potential reduce by 15.9 kB

  • Original 21.5 kB
  • After minification 19.1 kB
  • After compression 5.5 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. Pdfdu.com needs all CSS files to be minified and compressed as it can save up to 15.9 kB or 74% of the original size.

Requests Breakdown

Number of requests can be reduced by 14 (35%)

Requests Now

40

After Optimization

26

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 40 CSS, Javascripts, AJAX and image requests in order to completely render the main page of PDFdu. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

pdfdu.com

pdfdu.com

806 ms

style.css

style.css

162 ms

jquery-1.8.2.min.js

jquery-1.8.2.min.js

498 ms

jquery.ui.draggable.js

jquery.ui.draggable.js

250 ms

jquery.hiAlerts-min.js

jquery.hiAlerts-min.js

262 ms

jquery.SuperSlide.2.1.1.js

jquery.SuperSlide.2.1.1.js

262 ms

bai.css

bai.css

275 ms

3.js

3.js

293 ms

logo.png

logo.png

82 ms

DoConverter1.png

DoConverter1.png

219 ms

freeonline.png

freeonline.png

816 ms

removelock.png

removelock.png

462 ms

pdfword.png

pdfword.png

1060 ms

ffffff-0.gif

ffffff-0.gif

194 ms

Count.aspx

Count.aspx

176 ms

dot-black.png

dot-black.png

258 ms

pdf.png

pdf.png

291 ms

word.png

word.png

301 ms

convert.png

convert.png

658 ms

image.png

image.png

480 ms

remove.png

remove.png

512 ms

watermark.png

watermark.png

540 ms

deletetxt.png

deletetxt.png

672 ms

replace.png

replace.png

686 ms

merge.png

merge.png

705 ms

split.png

split.png

776 ms

delete.png

delete.png

798 ms

extract.png

extract.png

811 ms

rotate.png

rotate.png

838 ms

stitch.png

stitch.png

877 ms

js15_gif.js

js15_gif.js

7 ms

2709814.gif

2709814.gif

5 ms

c.php

c.php

100 ms

r.php

r.php

196 ms

1.png

1.png

291 ms

WebResource.axd

WebResource.axd

726 ms

ScriptResource.axd

ScriptResource.axd

758 ms

ScriptResource.axd

ScriptResource.axd

815 ms

ScriptResource.axd

ScriptResource.axd

852 ms

a.php

a.php

101 ms

a.php

a.php

97 ms

Accessibility Review

pdfdu.com accessibility score

95

Accessibility Issues

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

Best Practices

pdfdu.com best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

pdfdu.com SEO score

100

Search Engine Optimization Advices

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

High

Document uses legible font sizes

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Pdfdu.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 Pdfdu.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.

Social Sharing Optimization

pdfdu.com

Open Graph description is not detected on the main page of PDFdu. 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: