Tools & Wizards About Us

Report Summary

  • 43

    Performance

    Renders faster than
    62% of other websites

  • 88

    Accessibility

    Visual factors better than
    that of 68% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 80

    SEO

    Google-friendlier than
    42% of websites

flipbuilder.com

Flip Book Maker for Converting PDF to Flip Book eBook for Digital Magazine Publishing. [FlipBuilder.com]

Page Load Speed

1.1 sec in total

First Response

144 ms

Resources Loaded

511 ms

Page Rendered

448 ms

About Website

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

FlipBuilder provides HTML5 flip book maker software to build wonderful page flipping effect ebooks from PDF, images and Office files.

Visit flipbuilder.com

Key Findings

We analyzed Flipbuilder.com page load time and found that the first response time was 144 ms and then it took 959 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 20% of websites can load faster.

Performance Metrics

flipbuilder.com performance score

43

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

65/100

10%

LCP (Largest Contentful Paint)

Value5.4 s

20/100

25%

SI (Speed Index)

Value2.5 s

97/100

10%

TBT (Total Blocking Time)

Value1,330 ms

17/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value11.5 s

18/100

10%

Network Requests Diagram

flipbuilder.com

144 ms

www.flipbuilder.com

80 ms

home.min.css

22 ms

build.min.js

32 ms

home.min.js

54 ms

Our browser made a total of 43 requests to load all elements on the main page. We found that 88% of them (38 requests) were addressed to the original Flipbuilder.com, 2% (1 request) were made to Static.cloudflareinsights.com and 2% (1 request) were made to Dev.visualwebsiteoptimizer.com. The less responsive or slowest element that took the longest time to load (204 ms) belongs to the original domain Flipbuilder.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 32.2 kB (1%)

Content Size

3.4 MB

After Optimization

3.4 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Flipbuilder.com main page is 3.4 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. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 3.3 MB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 25.7 kB

  • Original 34.1 kB
  • After minification 34.0 kB
  • After compression 8.4 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 25.7 kB or 75% of the original size.

Image Optimization

-0%

Potential reduce by 44 B

  • Original 3.3 MB
  • After minification 3.3 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. Flip Builder images are well optimized though.

JavaScript Optimization

-6%

Potential reduce by 5.0 kB

  • Original 84.4 kB
  • After minification 84.4 kB
  • After compression 79.4 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

-17%

Potential reduce by 1.5 kB

  • Original 8.8 kB
  • After minification 8.8 kB
  • After compression 7.3 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. Flipbuilder.com needs all CSS files to be minified and compressed as it can save up to 1.5 kB or 17% of the original size.

Requests Breakdown

Number of requests can be reduced by 6 (15%)

Requests Now

41

After Optimization

35

  • Images
  • JavaScript
  • CSS

The browser has sent 41 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Flip Builder. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

flipbuilder.com accessibility score

88

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

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

flipbuilder.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

SEO Factors

flipbuilder.com SEO score

80

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

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    N/A

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Flipbuilder.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), while the claimed language is English. Our system also found out that Flipbuilder.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

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