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lightpdf.com screenshot

Report Summary

  • 53

    Performance

    Renders faster than
    70% of other websites

  • 79

    Accessibility

    Visual factors better than
    that of 47% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 98

    SEO

    Google-friendlier than
    92% of websites

lightpdf.com

AI-Powered Free Online PDF Editor, Converter & Reader - LightPDF

Page Load Speed

4.5 sec in total

First Response

27 ms

Resources Loaded

2.5 sec

Page Rendered

2 sec

lightpdf.com screenshot

About Website

Welcome to lightpdf.com homepage info - get ready to check LightPDF best content for China right away, or after learning these important things about lightpdf.com

Powered by AI, LightPDF provides free cloud-based services to view, edit, convert, sign, annotate, merge, manage and share PDF easily and helps you solve all PDF problems.

Visit lightpdf.com

Key Findings

We analyzed Lightpdf.com page load time and found that the first response time was 27 ms and then it took 4.5 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

lightpdf.com performance score

53

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.6 s

63/100

10%

LCP (Largest Contentful Paint)

Value3.8 s

54/100

25%

SI (Speed Index)

Value3.4 s

90/100

10%

TBT (Total Blocking Time)

Value1,220 ms

20/100

30%

CLS (Cumulative Layout Shift)

Value0.002

100/100

15%

TTI (Time to Interactive)

Value9.4 s

30/100

10%

Network Requests Diagram

lightpdf.com

27 ms

lightpdf.com

42 ms

open-sans.css

66 ms

client

58 ms

index.b4a5d5a3.css

94 ms

Our browser made a total of 80 requests to load all elements on the main page. We found that 3% of them (2 requests) were addressed to the original Lightpdf.com, 89% (71 requests) were made to Cfcdn.apowersoft.info and 4% (3 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (2.4 sec) relates to the external source Cfcdn.apowersoft.info.

Page Optimization Overview & Recommendations

Page size can be reduced by 572.8 kB (7%)

Content Size

8.5 MB

After Optimization

7.9 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Lightpdf.com main page is 8.5 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. Only a small number of websites need less resources to load. Images take 8.1 MB which makes up the majority of the site volume.

HTML Optimization

-73%

Potential reduce by 187.3 kB

  • Original 255.3 kB
  • After minification 242.7 kB
  • After compression 68.0 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 187.3 kB or 73% of the original size.

Image Optimization

-4%

Potential reduce by 329.6 kB

  • Original 8.1 MB
  • After minification 7.8 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. LightPDF images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 6 B

  • Original 16.6 kB
  • After minification 16.6 kB
  • After compression 16.6 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

-84%

Potential reduce by 55.8 kB

  • Original 66.5 kB
  • After minification 10.7 kB
  • After compression 10.6 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. Lightpdf.com needs all CSS files to be minified and compressed as it can save up to 55.8 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 18 (23%)

Requests Now

78

After Optimization

60

  • Images
  • JavaScript
  • CSS

The browser has sent 78 CSS, Javascripts, AJAX and image requests in order to completely render the main page of LightPDF. 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

lightpdf.com

lightpdf.com

27 ms

lightpdf.com

lightpdf.com

42 ms

open-sans.css

open-sans.css

66 ms

client

client

58 ms

index.b4a5d5a3.css

index.b4a5d5a3.css

94 ms

index.c163b780.css

index.c163b780.css

107 ms

hoisted.3a759f18.js

hoisted.3a759f18.js

174 ms

wxhawk.js

wxhawk.js

332 ms

gtm.js

gtm.js

132 ms

gtm.js

gtm.js

192 ms

badge-light.png

badge-light.png

158 ms

header-icon1.ecd53c96.svg

header-icon1.ecd53c96.svg

113 ms

active-close-v2.172d8e50.svg

active-close-v2.172d8e50.svg

115 ms

activity-spring.83e00354.png

activity-spring.83e00354.png

129 ms

new-year-1.347e03b5.png

new-year-1.347e03b5.png

115 ms

new-year-2.261580d2.png

new-year-2.261580d2.png

1034 ms

new-year-shop-now.da2f6bc4.png

new-year-shop-now.da2f6bc4.png

127 ms

new-year-5.46858f12.png

new-year-5.46858f12.png

127 ms

new-year-3.4d4f7ff9.png

new-year-3.4d4f7ff9.png

1024 ms

apple-icon.26054a3a.svg

apple-icon.26054a3a.svg

124 ms

google-icon.d569ec1f.svg

google-icon.d569ec1f.svg

1162 ms

black-3x@3192w.34a5b7c9.png

black-3x@3192w.34a5b7c9.png

2371 ms

black-3x-mobile1@728w.72a5af2b.png

black-3x-mobile1@728w.72a5af2b.png

154 ms

word-v2.424ef6a5.svg

word-v2.424ef6a5.svg

155 ms

icon-ai-v2.b9d9de88.svg

icon-ai-v2.b9d9de88.svg

157 ms

edit-v2.d1055856.svg

edit-v2.d1055856.svg

183 ms

txt-v2.1143714e.svg

txt-v2.1143714e.svg

184 ms

compress-v2.94efcb8e.svg

compress-v2.94efcb8e.svg

188 ms

merge-v2.6c62027d.svg

merge-v2.6c62027d.svg

187 ms

productivity-3x@2580w.c3391d6f.png

productivity-3x@2580w.c3391d6f.png

250 ms

productivity-3x-mobile@1125w.49202110.png

productivity-3x-mobile@1125w.49202110.png

252 ms

access-3x@2580w.363a306a.png

access-3x@2580w.363a306a.png

303 ms

access-3x-mobile@1125w.715058a8.png

access-3x-mobile@1125w.715058a8.png

302 ms

edit-img-x3@2472w.86436057.png

edit-img-x3@2472w.86436057.png

322 ms

edit-img-x3-mobile@1125w.b451a52a.png

edit-img-x3-mobile@1125w.b451a52a.png

321 ms

convert-img-x3@2535w.e8a46322.png

convert-img-x3@2535w.e8a46322.png

330 ms

convert-img-x3-mobile@1125w.fc07747b.png

convert-img-x3-mobile@1125w.fc07747b.png

331 ms

ocr-img-x3@2472w.4dcd2c37.png

ocr-img-x3@2472w.4dcd2c37.png

461 ms

ocr-img-x3-mobile@1125w.c5e49b69.png

ocr-img-x3-mobile@1125w.c5e49b69.png

341 ms

annotate-img-x3@2417w.1903dfff.png

annotate-img-x3@2417w.1903dfff.png

461 ms

annotate-img-x3-mobile@1125w.b8bdca66.png

annotate-img-x3-mobile@1125w.b8bdca66.png

463 ms

sign-img-x3@2532w.d191f0a7.png

sign-img-x3@2532w.d191f0a7.png

464 ms

sign-img-x3-mobile@1125w.67a960b2.png

sign-img-x3-mobile@1125w.67a960b2.png

464 ms

mobile-ai-icon1-x3@828w.0af57265.png

mobile-ai-icon1-x3@828w.0af57265.png

461 ms

mobile-ai-icon3-x3@693w.eb8dcbf1.png

mobile-ai-icon3-x3@693w.eb8dcbf1.png

435 ms

mobile-ai-icon2-x3@894w.1bc542cb.png

mobile-ai-icon2-x3@894w.1bc542cb.png

366 ms

mobile-convert-icon1-x3@750w.61f5c46f.png

mobile-convert-icon1-x3@750w.61f5c46f.png

362 ms

mobile-convert-icon2-x3@750w.3e61714c.png

mobile-convert-icon2-x3@750w.3e61714c.png

361 ms

mobile-convert-icon3-x3@516w.c7c9379a.png

mobile-convert-icon3-x3@516w.c7c9379a.png

361 ms

mobile-convert-icon4-x3@253w.049bae4c.png

mobile-convert-icon4-x3@253w.049bae4c.png

361 ms

mobile-content-x3@1350w.e9fdeda9.png

mobile-content-x3@1350w.e9fdeda9.png

349 ms

mobile-content-icon1.f02cf081.svg

mobile-content-icon1.f02cf081.svg

351 ms

mobile-edit-icon1-x3@1281w.a16d176d.png

mobile-edit-icon1-x3@1281w.a16d176d.png

351 ms

mobile-edit-icon2-x3@1114w.b4a32c71.png

mobile-edit-icon2-x3@1114w.b4a32c71.png

361 ms

mobile-edit-icon3-x3@208w.b0ab8f57.png

mobile-edit-icon3-x3@208w.b0ab8f57.png

333 ms

mobile-scan-icon1-x3@480w.2ec71d3b.png

mobile-scan-icon1-x3@480w.2ec71d3b.png

345 ms

bat.js

bat.js

144 ms

mobile-scan-icon2-x3@480w.00c0f012.png

mobile-scan-icon2-x3@480w.00c0f012.png

318 ms

mobile-scan-icon3-x3@253w.220fd1fa.png

mobile-scan-icon3-x3@253w.220fd1fa.png

330 ms

choose-icon.46a03a21.svg

choose-icon.46a03a21.svg

333 ms

star.12e65f59.svg

star.12e65f59.svg

337 ms

star-half.5875a170.svg

star-half.5875a170.svg

282 ms

g2-logo.c76d72eb.svg

g2-logo.c76d72eb.svg

285 ms

js

js

62 ms

star-none.81ef9b55.svg

star-none.81ef9b55.svg

246 ms

trustpilot-logo.22852912.svg

trustpilot-logo.22852912.svg

247 ms

capterra-logo.0509e862.svg

capterra-logo.0509e862.svg

242 ms

icon1.2a57ef46.svg

icon1.2a57ef46.svg

243 ms

icon3.c06d813b.svg

icon3.c06d813b.svg

259 ms

icon2.8d142ef0.svg

icon2.8d142ef0.svg

253 ms

icon4.1dfc08ea.svg

icon4.1dfc08ea.svg

263 ms

icon5.06494e38.svg

icon5.06494e38.svg

252 ms

icon6.38bd1b04.svg

icon6.38bd1b04.svg

146 ms

member-pdf.5e653e55.png

member-pdf.5e653e55.png

156 ms

logo-en.7d9267a8.svg

logo-en.7d9267a8.svg

158 ms

icon-fb.1adeda6c.svg

icon-fb.1adeda6c.svg

169 ms

icon-tt.2d8e7f41.svg

icon-tt.2d8e7f41.svg

170 ms

icon-youtube.c391a2ef.svg

icon-youtube.c391a2ef.svg

185 ms

icon-dis.b08ee67e.svg

icon-dis.b08ee67e.svg

180 ms

select.4d0d27c2.svg

select.4d0d27c2.svg

191 ms

Accessibility Review

lightpdf.com accessibility score

79

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

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

lightpdf.com best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

lightpdf.com SEO score

98

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 Lightpdf.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 Lightpdf.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

lightpdf.com

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