Tools & Wizards About Us
pdf-flip.com screenshot

Report Summary

  • 54

    Performance

    Renders faster than
    71% of other websites

  • 63

    Accessibility

    Visual factors better than
    that of 28% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

pdf-flip.com

PDF FlipBook Converter

Page Load Speed

1.7 sec in total

First Response

115 ms

Resources Loaded

1.1 sec

Page Rendered

443 ms

pdf-flip.com screenshot

About Website

Welcome to pdf-flip.com homepage info - get ready to check PDF Flip best content for India right away, or after learning these important things about pdf-flip.com

PDF Flip Book Converter - Create page flip publications from your PDF Files. Enhance your audience experience by adding a realistic flipbook effect to your PDF documents.

Visit pdf-flip.com

Key Findings

We analyzed Pdf-flip.com page load time and found that the first response time was 115 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

pdf-flip.com performance score

54

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.0 s

49/100

10%

LCP (Largest Contentful Paint)

Value9.3 s

1/100

25%

SI (Speed Index)

Value4.6 s

71/100

10%

TBT (Total Blocking Time)

Value310 ms

78/100

30%

CLS (Cumulative Layout Shift)

Value0.065

97/100

15%

TTI (Time to Interactive)

Value8.4 s

39/100

10%

Network Requests Diagram

pdf-flip.com

115 ms

www.pdf-flip.com

113 ms

www.pdf-flip.com

230 ms

css

31 ms

css

47 ms

Our browser made a total of 49 requests to load all elements on the main page. We found that 82% of them (40 requests) were addressed to the original Pdf-flip.com, 10% (5 requests) were made to Fonts.gstatic.com and 6% (3 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (372 ms) belongs to the original domain Pdf-flip.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 469.7 kB (26%)

Content Size

1.8 MB

After Optimization

1.3 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Pdf-flip.com main page is 1.8 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 60% of websites need less resources to load. Images take 1.1 MB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 10.9 kB

  • Original 14.3 kB
  • After minification 14.3 kB
  • After compression 3.4 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 10.9 kB or 76% of the original size.

Image Optimization

-0%

Potential reduce by 24 B

  • Original 1.1 MB
  • After minification 1.1 MB

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 Flip images are well optimized though.

JavaScript Optimization

-73%

Potential reduce by 458.7 kB

  • Original 629.0 kB
  • After minification 615.4 kB
  • After compression 170.3 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 458.7 kB or 73% of the original size.

CSS Optimization

-0%

Potential reduce by 94 B

  • Original 71.0 kB
  • After minification 71.0 kB
  • After compression 70.9 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. Pdf-flip.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 14 (41%)

Requests Now

34

After Optimization

20

  • Images
  • JavaScript
  • CSS

The browser has sent 34 CSS, Javascripts, AJAX and image requests in order to completely render the main page of PDF Flip. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

pdf-flip.com

pdf-flip.com

115 ms

www.pdf-flip.com

www.pdf-flip.com

113 ms

www.pdf-flip.com

www.pdf-flip.com

230 ms

css

css

31 ms

css

css

47 ms

css

css

50 ms

styles.css

styles.css

76 ms

theme-bottle.css

theme-bottle.css

126 ms

shelf.css

shelf.css

163 ms

book.css

book.css

169 ms

pdfflip.css

pdfflip.css

165 ms

js

js

61 ms

utils.js

utils.js

213 ms

plugins.js

plugins.js

372 ms

core.js

core.js

180 ms

pdf-flip.js

pdf-flip.js

323 ms

open.js

open.js

226 ms

settings.js

settings.js

225 ms

toc.js

toc.js

233 ms

logo-light.png

logo-light.png

128 ms

concrete_bg_dark.jpg

concrete_bg_dark.jpg

274 ms

app_screen01.png

app_screen01.png

272 ms

clean-bg.jpg

clean-bg.jpg

130 ms

Bro_01.jpg

Bro_01.jpg

151 ms

Bro_02.jpg

Bro_02.jpg

172 ms

Bro_03.jpg

Bro_03.jpg

270 ms

Bro_04.jpg

Bro_04.jpg

271 ms

Bro_05.jpg

Bro_05.jpg

272 ms

Bro_06.jpg

Bro_06.jpg

272 ms

Mag_01.jpg

Mag_01.jpg

274 ms

Mag_02.jpg

Mag_02.jpg

273 ms

Mag_03.jpg

Mag_03.jpg

274 ms

Mag_04.jpg

Mag_04.jpg

341 ms

Mag_05.jpg

Mag_05.jpg

308 ms

Mag_06.jpg

Mag_06.jpg

310 ms

home_story_1.png

home_story_1.png

372 ms

home_story_2.png

home_story_2.png

334 ms

GothamRounded-Medium.woff

GothamRounded-Medium.woff

192 ms

GothamRounded-Medium.woff

GothamRounded-Medium.woff

235 ms

KFOmCnqEu92Fr1Mu4mxP.ttf

KFOmCnqEu92Fr1Mu4mxP.ttf

24 ms

KFOlCnqEu92Fr1MmSU5fBBc9.ttf

KFOlCnqEu92Fr1MmSU5fBBc9.ttf

33 ms

KFOlCnqEu92Fr1MmWUlfBBc9.ttf

KFOlCnqEu92Fr1MmWUlfBBc9.ttf

41 ms

GothamRounded-Bold.woff

GothamRounded-Bold.woff

241 ms

GothamRounded-Bold.woff

GothamRounded-Bold.woff

256 ms

GothamRounded-Book.woff

GothamRounded-Book.woff

256 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCuM73w5aX8.ttf

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCuM73w5aX8.ttf

40 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCtr6Hw5aX8.ttf

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCtr6Hw5aX8.ttf

41 ms

themify.woff

themify.woff

316 ms

themify.woff

themify.woff

288 ms

Accessibility Review

pdf-flip.com accessibility score

63

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

High

Links do not have a discernible name

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best Practices

pdf-flip.com best practices score

67

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

High

Page has valid source maps

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

pdf-flip.com SEO score

69

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

Links do not have descriptive text

High

Image elements do not have [alt] attributes

Crawling and Indexing

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

Impact

Issue

High

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

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 Pdf-flip.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 Pdf-flip.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

pdf-flip.com

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