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zonepdf.com screenshot

Report Summary

  • 70

    Performance

    Renders faster than
    81% of other websites

  • 65

    Accessibility

    Visual factors better than
    that of 30% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

zonepdf.com

Zonepdf - Easy and Secure Solution for Processing PDF Files Online

Page Load Speed

863 ms in total

First Response

51 ms

Resources Loaded

703 ms

Page Rendered

109 ms

zonepdf.com screenshot

About Website

Welcome to zonepdf.com homepage info - get ready to check Zonepdf best content for United States right away, or after learning these important things about zonepdf.com

Zonepdf tools are extremely fast and easy to use. Manage all your PDF needs from a single online location!

Visit zonepdf.com

Key Findings

We analyzed Zonepdf.com page load time and found that the first response time was 51 ms and then it took 812 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 15% of websites can load faster.

Performance Metrics

zonepdf.com performance score

70

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.3 s

74/100

10%

LCP (Largest Contentful Paint)

Value3.9 s

52/100

25%

SI (Speed Index)

Value2.3 s

99/100

10%

TBT (Total Blocking Time)

Value510 ms

57/100

30%

CLS (Cumulative Layout Shift)

Value0.003

100/100

15%

TTI (Time to Interactive)

Value5.3 s

73/100

10%

Network Requests Diagram

zonepdf.com

51 ms

zonepdf.com

162 ms

css2

32 ms

output.dd42945c1fa3.css

26 ms

output.663bd1998fc0.css

28 ms

Our browser made a total of 46 requests to load all elements on the main page. We found that 4% of them (2 requests) were addressed to the original Zonepdf.com, 72% (33 requests) were made to Static.zonepdf.com and 17% (8 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (440 ms) relates to the external source Static.zonepdf.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 130.5 kB (45%)

Content Size

289.7 kB

After Optimization

159.2 kB

  • HTML
  • JavaScript
  • CSS

In fact, the total size of Zonepdf.com main page is 289.7 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. HTML takes 156.5 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 130.2 kB

  • Original 156.5 kB
  • After minification 149.3 kB
  • After compression 26.2 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 130.2 kB or 83% of the original size.

JavaScript Optimization

-0%

Potential reduce by 111 B

  • Original 115.3 kB
  • After minification 115.3 kB
  • After compression 115.2 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. This website has mostly compressed JavaScripts.

CSS Optimization

-1%

Potential reduce by 175 B

  • Original 17.9 kB
  • After minification 17.9 kB
  • After compression 17.7 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. Zonepdf.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 11 (31%)

Requests Now

36

After Optimization

25

  • Images
  • JavaScript
  • CSS

The browser has sent 36 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zonepdf. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

zonepdf.com

zonepdf.com

51 ms

zonepdf.com

zonepdf.com

162 ms

css2

css2

32 ms

output.dd42945c1fa3.css

output.dd42945c1fa3.css

26 ms

output.663bd1998fc0.css

output.663bd1998fc0.css

28 ms

all.css

all.css

37 ms

output.060f50364e23.js

output.060f50364e23.js

31 ms

output.86cf6bdb6daa.js

output.86cf6bdb6daa.js

52 ms

output.afa01eaf4852.css

output.afa01eaf4852.css

39 ms

js

js

69 ms

logo.svg

logo.svg

7 ms

icon-drive-default.svg

icon-drive-default.svg

20 ms

en.svg

en.svg

8 ms

es.svg

es.svg

87 ms

de.svg

de.svg

19 ms

fr.svg

fr.svg

20 ms

pt.svg

pt.svg

45 ms

it.svg

it.svg

22 ms

ja.svg

ja.svg

44 ms

bubble.svg

bubble.svg

149 ms

table.svg

table.svg

165 ms

icon-create.svg

icon-create.svg

144 ms

icon-edit.svg

icon-edit.svg

132 ms

icon-merge.svg

icon-merge.svg

123 ms

icon-pdf-jpg.svg

icon-pdf-jpg.svg

232 ms

icon-jpg-pdf.svg

icon-jpg-pdf.svg

240 ms

icon-split.svg

icon-split.svg

247 ms

icon-compress.svg

icon-compress.svg

252 ms

icon-pdf-word.svg

icon-pdf-word.svg

265 ms

icon-word-pdf.svg

icon-word-pdf.svg

295 ms

icon-pdf-excel.svg

icon-pdf-excel.svg

333 ms

icon-excel-pdf.svg

icon-excel-pdf.svg

440 ms

icon-ppt-pdf.svg

icon-ppt-pdf.svg

361 ms

tools.svg

tools.svg

363 ms

secure.svg

secure.svg

371 ms

quality.svg

quality.svg

381 ms

fb.svg

fb.svg

334 ms

twitter.svg

twitter.svg

338 ms

nwpBtKy2OAdR1K-IwhWudF-R9QMylBJAV3Bo8Ky461EN.ttf

nwpBtKy2OAdR1K-IwhWudF-R9QMylBJAV3Bo8Ky461EN.ttf

24 ms

nwpBtKy2OAdR1K-IwhWudF-R9QMylBJAV3Bo8KyK61EN.ttf

nwpBtKy2OAdR1K-IwhWudF-R9QMylBJAV3Bo8KyK61EN.ttf

33 ms

nwpBtKy2OAdR1K-IwhWudF-R9QMylBJAV3Bo8Kzm61EN.ttf

nwpBtKy2OAdR1K-IwhWudF-R9QMylBJAV3Bo8Kzm61EN.ttf

42 ms

nwpBtKy2OAdR1K-IwhWudF-R9QMylBJAV3Bo8Kw461EN.ttf

nwpBtKy2OAdR1K-IwhWudF-R9QMylBJAV3Bo8Kw461EN.ttf

49 ms

nwpBtKy2OAdR1K-IwhWudF-R9QMylBJAV3Bo8Kxm7FEN.ttf

nwpBtKy2OAdR1K-IwhWudF-R9QMylBJAV3Bo8Kxm7FEN.ttf

50 ms

nwpBtKy2OAdR1K-IwhWudF-R9QMylBJAV3Bo8Kxf7FEN.ttf

nwpBtKy2OAdR1K-IwhWudF-R9QMylBJAV3Bo8Kxf7FEN.ttf

48 ms

nwpBtKy2OAdR1K-IwhWudF-R9QMylBJAV3Bo8Kw47FEN.ttf

nwpBtKy2OAdR1K-IwhWudF-R9QMylBJAV3Bo8Kw47FEN.ttf

50 ms

nwpBtKy2OAdR1K-IwhWudF-R9QMylBJAV3Bo8KwR7FEN.ttf

nwpBtKy2OAdR1K-IwhWudF-R9QMylBJAV3Bo8KwR7FEN.ttf

42 ms

Accessibility Review

zonepdf.com accessibility score

65

Accessibility Issues

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

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

zonepdf.com best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

zonepdf.com SEO score

86

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

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

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

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

zonepdf.com

Open Graph data is detected on the main page of Zonepdf. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: