Tools & Wizards About Us
onepdf.us screenshot

Report Summary

  • 63

    Performance

    Renders faster than
    77% of other websites

  • 95

    Accessibility

    Visual factors better than
    that of 86% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 97

    SEO

    Google-friendlier than
    91% of websites

onepdf.us

Onepdf.us - Download EBook, PDF, EPub And Magazines For Free

Page Load Speed

4.7 sec in total

First Response

32 ms

Resources Loaded

4.6 sec

Page Rendered

119 ms

onepdf.us screenshot

About Website

Click here to check amazing Onepdf content for Indonesia. Otherwise, check out these important facts you probably never knew about onepdf.us

Onepdf.us is a online ebook pdf library

Visit onepdf.us

Key Findings

We analyzed Onepdf.us page load time and found that the first response time was 32 ms and then it took 4.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

onepdf.us performance score

63

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.6 s

65/100

10%

LCP (Largest Contentful Paint)

Value2.9 s

81/100

25%

SI (Speed Index)

Value7.7 s

24/100

10%

TBT (Total Blocking Time)

Value650 ms

46/100

30%

CLS (Cumulative Layout Shift)

Value0.003

100/100

15%

TTI (Time to Interactive)

Value7.1 s

52/100

10%

Network Requests Diagram

onepdf.us

32 ms

onepdf.us

1966 ms

adsbygoogle.js

59 ms

css

32 ms

bootstrap.min.css

324 ms

Our browser made a total of 51 requests to load all elements on the main page. We found that 53% of them (27 requests) were addressed to the original Onepdf.us, 12% (6 requests) were made to Books.google.com and 6% (3 requests) were made to Diagramwrangleupdate.com. The less responsive or slowest element that took the longest time to load (2 sec) belongs to the original domain Onepdf.us.

Page Optimization Overview & Recommendations

Page size can be reduced by 48.4 kB (16%)

Content Size

299.2 kB

After Optimization

250.8 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Onepdf.us main page is 299.2 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. 35% of websites need less resources to load. Javascripts take 154.8 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 28.1 kB

  • Original 34.3 kB
  • After minification 30.8 kB
  • After compression 6.2 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 28.1 kB or 82% of the original size.

Image Optimization

-8%

Potential reduce by 3.1 kB

  • Original 38.3 kB
  • After minification 35.2 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. Onepdf images are well optimized though.

JavaScript Optimization

-4%

Potential reduce by 5.7 kB

  • Original 154.8 kB
  • After minification 154.7 kB
  • After compression 149.1 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

-16%

Potential reduce by 11.5 kB

  • Original 71.9 kB
  • After minification 69.9 kB
  • After compression 60.3 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. Onepdf.us needs all CSS files to be minified and compressed as it can save up to 11.5 kB or 16% of the original size.

Requests Breakdown

Number of requests can be reduced by 29 (71%)

Requests Now

41

After Optimization

12

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 41 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Onepdf. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and from 15 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

onepdf.us

onepdf.us

32 ms

onepdf.us

onepdf.us

1966 ms

adsbygoogle.js

adsbygoogle.js

59 ms

css

css

32 ms

bootstrap.min.css

bootstrap.min.css

324 ms

style.css

style.css

344 ms

header-v4.css

header-v4.css

345 ms

footer-v1.css

footer-v1.css

345 ms

animate.css

animate.css

316 ms

line-icons.css

line-icons.css

32 ms

font-awesome.min.css

font-awesome.min.css

290 ms

blog_magazine.css

blog_magazine.css

904 ms

default.css

default.css

605 ms

bf74d21045c48fb5333ed254b908d6b3.js

bf74d21045c48fb5333ed254b908d6b3.js

124 ms

invoke.js

invoke.js

122 ms

jquery.min.js

jquery.min.js

603 ms

jquery-migrate.min.js

jquery-migrate.min.js

654 ms

bootstrap.min.js

bootstrap.min.js

615 ms

back-to-top.js

back-to-top.js

661 ms

smoothScroll.js

smoothScroll.js

923 ms

jquery.parallax.js

jquery.parallax.js

919 ms

owl.carousel.js

owl.carousel.js

890 ms

app.js

app.js

921 ms

owl-carousel.js

owl-carousel.js

990 ms

0a8c7e395b415df99e2554b8d9adedb2.js

0a8c7e395b415df99e2554b8d9adedb2.js

118 ms

ie8.css

ie8.css

1286 ms

blocks.css

blocks.css

575 ms

plugins.css

plugins.css

851 ms

app.css

app.css

857 ms

style-switcher.css

style-switcher.css

891 ms

content

content

50 ms

content

content

101 ms

content

content

111 ms

content

content

155 ms

content

content

116 ms

content

content

147 ms

KrinkesDecorPERSONAL_0.ttf

KrinkesDecorPERSONAL_0.ttf

22 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

705 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4kaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4kaVc.ttf

24 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0B4kaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0B4kaVc.ttf

74 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsgH1x4kaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsgH1x4kaVc.ttf

79 ms

js15_as.js

js15_as.js

61 ms

0.php

0.php

67 ms

205 ms

207 ms

t.dhj

t.dhj

27 ms

afwu.js

afwu.js

42 ms

255 ms

t_.htm

t_.htm

4 ms

t_.js

t_.js

4 ms

tpid=51A01727778958E55B61A7A1FFA0CB4D

tpid=51A01727778958E55B61A7A1FFA0CB4D

34 ms

Accessibility Review

onepdf.us accessibility score

95

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

Links do not have a discernible name

Best Practices

onepdf.us 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

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

onepdf.us SEO score

97

Search Engine Optimization Advices

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

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

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

onepdf.us

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