Tools & Wizards About Us
djvu-to-pdf.com screenshot

Report Summary

  • 62

    Performance

    Renders faster than
    76% of other websites

  • 67

    Accessibility

    Visual factors better than
    that of 32% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 67

    SEO

    Google-friendlier than
    26% of websites

djvu-to-pdf.com

Convert DjVu to PDF / Universal Document Converter

Page Load Speed

1.7 sec in total

First Response

201 ms

Resources Loaded

1.3 sec

Page Rendered

227 ms

djvu-to-pdf.com screenshot

About Website

Click here to check amazing Dj Vu To PDF content for Russia. Otherwise, check out these important facts you probably never knew about djvu-to-pdf.com

Convert DjVu to PDF: the easiest way you can imagine!

Visit djvu-to-pdf.com

Key Findings

We analyzed Djvu-to-pdf.com page load time and found that the first response time was 201 ms and then it took 1.5 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.

Performance Metrics

djvu-to-pdf.com performance score

62

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.9 s

53/100

10%

LCP (Largest Contentful Paint)

Value3.1 s

75/100

25%

SI (Speed Index)

Value4.5 s

72/100

10%

TBT (Total Blocking Time)

Value660 ms

45/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value10.1 s

26/100

10%

Network Requests Diagram

djvu-to-pdf.com

201 ms

www.djvu-to-pdf.com

370 ms

analytics.js

14 ms

styles.css

88 ms

collect

12 ms

Our browser made a total of 50 requests to load all elements on the main page. We found that 36% of them (18 requests) were addressed to the original Djvu-to-pdf.com, 18% (9 requests) were made to Static.xx.fbcdn.net and 12% (6 requests) were made to Apis.google.com. The less responsive or slowest element that took the longest time to load (697 ms) belongs to the original domain Djvu-to-pdf.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 51.8 kB (13%)

Content Size

406.4 kB

After Optimization

354.6 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Djvu-to-pdf.com main page is 406.4 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. Javascripts take 202.3 kB which makes up the majority of the site volume.

HTML Optimization

-72%

Potential reduce by 19.2 kB

  • Original 26.6 kB
  • After minification 25.6 kB
  • After compression 7.3 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 19.2 kB or 72% of the original size.

Image Optimization

-0%

Potential reduce by 8 B

  • Original 176.2 kB
  • After minification 176.2 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. Dj Vu To PDF images are well optimized though.

JavaScript Optimization

-16%

Potential reduce by 32.4 kB

  • Original 202.3 kB
  • After minification 202.3 kB
  • After compression 169.9 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 32.4 kB or 16% of the original size.

CSS Optimization

-7%

Potential reduce by 84 B

  • Original 1.2 kB
  • After minification 1.2 kB
  • After compression 1.1 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. Djvu-to-pdf.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 23 (50%)

Requests Now

46

After Optimization

23

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 46 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dj Vu To PDF. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 19 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

djvu-to-pdf.com

djvu-to-pdf.com

201 ms

www.djvu-to-pdf.com

www.djvu-to-pdf.com

370 ms

analytics.js

analytics.js

14 ms

styles.css

styles.css

88 ms

collect

collect

12 ms

js

js

69 ms

djvu-to-pdf-01.gif

djvu-to-pdf-01.gif

161 ms

djvu-to-pdf-02.gif

djvu-to-pdf-02.gif

259 ms

djvu-to-pdf-03.gif

djvu-to-pdf-03.gif

445 ms

1x1.gif

1x1.gif

368 ms

download.gif

download.gif

368 ms

print_djvu.jpg

print_djvu.jpg

537 ms

print_proprt.jpg

print_proprt.jpg

528 ms

LoadSettingsButton.gif

LoadSettingsButton.gif

506 ms

LoadSettings_TextDocumentToPDF.gif

LoadSettings_TextDocumentToPDF.gif

529 ms

progress.gif

progress.gif

438 ms

view_pdf.jpg

view_pdf.jpg

697 ms

banner600x120.gif

banner600x120.gif

628 ms

all.js

all.js

115 ms

likebox.php

likebox.php

159 ms

plusone.js

plusone.js

117 ms

widgets.js

widgets.js

196 ms

top_bg.gif

top_bg.gif

544 ms

dotunderline.gif

dotunderline.gif

565 ms

cubes_bottom.gif

cubes_bottom.gif

568 ms

all.js

all.js

16 ms

cb=gapi.loaded_0

cb=gapi.loaded_0

30 ms

cb=gapi.loaded_1

cb=gapi.loaded_1

33 ms

fastbutton

fastbutton

64 ms

XBNj_PwYWdU.css

XBNj_PwYWdU.css

55 ms

SHojUHmeyWm.js

SHojUHmeyWm.js

63 ms

teTZ2tZqwkq.js

teTZ2tZqwkq.js

88 ms

D0hW5UcG2V4.js

D0hW5UcG2V4.js

95 ms

qnn7MVQZYOT.js

qnn7MVQZYOT.js

89 ms

7CmGfGBVS6H.js

7CmGfGBVS6H.js

94 ms

OWkNLphO4cA.js

OWkNLphO4cA.js

99 ms

p55HfXW__mM.js

p55HfXW__mM.js

93 ms

postmessageRelay

postmessageRelay

132 ms

widget_iframe.2f70fb173b9000da126c79afe2098f02.html

widget_iframe.2f70fb173b9000da126c79afe2098f02.html

109 ms

developers.google.com

developers.google.com

402 ms

275291765_496465115220225_1808016047978586434_n.png

275291765_496465115220225_1808016047978586434_n.png

94 ms

275621462_496465111886892_3161438776827512765_n.jpg

275621462_496465111886892_3161438776827512765_n.jpg

116 ms

UXtr_j2Fwe-.png

UXtr_j2Fwe-.png

24 ms

settings

settings

97 ms

3604799710-postmessagerelay.js

3604799710-postmessagerelay.js

19 ms

rpc:shindig_random.js

rpc:shindig_random.js

14 ms

cb=gapi.loaded_0

cb=gapi.loaded_0

7 ms

button.856debeac157d9669cf51e73a08fbc93.js

button.856debeac157d9669cf51e73a08fbc93.js

22 ms

embeds

embeds

32 ms

tweet_button.2f70fb173b9000da126c79afe2098f02.en.html

tweet_button.2f70fb173b9000da126c79afe2098f02.en.html

30 ms

Accessibility Review

djvu-to-pdf.com accessibility score

67

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

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

Best Practices

djvu-to-pdf.com best practices score

58

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

Serves images with low resolution

General

Impact

Issue

High

Browser errors were logged to the console

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

djvu-to-pdf.com SEO score

67

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

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Djvu-to-pdf.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 Djvu-to-pdf.com main page’s claimed encoding is iso-8859-1. 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

djvu-to-pdf.com

Open Graph description is not detected on the main page of Dj Vu To PDF. 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: