Report Summary

  • 35

    Performance

    Renders faster than
    55% of other websites

  • 87

    Accessibility

    Visual factors better than
    that of 67% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 93

    SEO

    Google-friendlier than
    84% of websites

pdftron.com

Apryse - Document processing technology for developers | Formerly known as PDFTron

Page Load Speed

2.1 sec in total

First Response

149 ms

Resources Loaded

1.7 sec

Page Rendered

180 ms

pdftron.com screenshot

About Website

Visit pdftron.com now to see the best up-to-date PDFTron content for India and also check out these interesting facts you probably never knew about pdftron.com

Integrate document processing capabilities into any software applications. Generate, convert, view, edit, and sign pdf and documents easily.

Visit pdftron.com

Key Findings

We analyzed Pdftron.com page load time and found that the first response time was 149 ms and then it took 1.9 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

pdftron.com performance score

35

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.6 s

64/100

10%

LCP (Largest Contentful Paint)

Value5.5 s

18/100

25%

SI (Speed Index)

Value5.4 s

57/100

10%

TBT (Total Blocking Time)

Value2,260 ms

6/100

30%

CLS (Cumulative Layout Shift)

Value0.013

100/100

15%

TTI (Time to Interactive)

Value11.1 s

20/100

10%

Network Requests Diagram

pdftron.com

149 ms

www.pdftron.com

440 ms

fonts-min.css

71 ms

reset-min.css

143 ms

screen.css

348 ms

Our browser made a total of 59 requests to load all elements on the main page. We found that 95% of them (56 requests) were addressed to the original Pdftron.com, 3% (2 requests) were made to Ssl.google-analytics.com and 2% (1 request) were made to Stats.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (541 ms) belongs to the original domain Pdftron.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 291.3 kB (30%)

Content Size

978.4 kB

After Optimization

687.1 kB

In fact, the total size of Pdftron.com main page is 978.4 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. 25% of websites need less resources to load. Images take 627.3 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 15.2 kB

  • Original 19.9 kB
  • After minification 15.8 kB
  • After compression 4.7 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. This page needs HTML code to be minified as it can gain 4.1 kB, which is 20% 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 15.2 kB or 77% of the original size.

Image Optimization

-5%

Potential reduce by 28.2 kB

  • Original 627.3 kB
  • After minification 599.0 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. PDFTron images are well optimized though.

JavaScript Optimization

-73%

Potential reduce by 200.4 kB

  • Original 272.9 kB
  • After minification 211.3 kB
  • After compression 72.5 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 200.4 kB or 73% of the original size.

CSS Optimization

-81%

Potential reduce by 47.4 kB

  • Original 58.4 kB
  • After minification 48.1 kB
  • After compression 10.9 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. Pdftron.com needs all CSS files to be minified and compressed as it can save up to 47.4 kB or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 33 (59%)

Requests Now

56

After Optimization

23

The browser has sent 56 CSS, Javascripts, AJAX and image requests in order to completely render the main page of PDFTron. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

pdftron.com accessibility score

87

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.

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

High

Image elements do not have [alt] attributes

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Some elements have a [tabindex] value greater than 0

Best Practices

pdftron.com best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

pdftron.com SEO score

93

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

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

    N/A

  • Language Claimed

    N/A

  • Encoding

    US-ASCII

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Pdftron.com 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) and no language is claimed in <html> or <meta> tags either. Our system also found out that Pdftron.com main page’s claimed encoding is us-ascii. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

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