Tools & Wizards About Us
letpub.com screenshot

Report Summary

  • 27

    Performance

    Renders faster than
    46% of other websites

  • 71

    Accessibility

    Visual factors better than
    that of 36% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

letpub.com

Scientific Editing Services, Manuscript Editing Service, Paper Editing Service | LetPub

Page Load Speed

948 ms in total

First Response

31 ms

Resources Loaded

552 ms

Page Rendered

365 ms

letpub.com screenshot

About Website

Click here to check amazing Let Pub content for China. Otherwise, check out these important facts you probably never knew about letpub.com

LetPub's editing services help authors eliminate language barriers and meet stringent standards of high-impact journals, thus helping raise the chances of publication.

Visit letpub.com

Key Findings

We analyzed Letpub.com page load time and found that the first response time was 31 ms and then it took 917 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

letpub.com performance score

27

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.3 s

19/100

10%

LCP (Largest Contentful Paint)

Value10.2 s

0/100

25%

SI (Speed Index)

Value4.6 s

70/100

10%

TBT (Total Blocking Time)

Value1,140 ms

22/100

30%

CLS (Cumulative Layout Shift)

Value0.202

61/100

15%

TTI (Time to Interactive)

Value10.5 s

23/100

10%

Network Requests Diagram

letpub.com

31 ms

www.letpub.com

51 ms

contact_us_panel.css

9 ms

jquery-1.11.1.min.js

30 ms

contact_us_panel.js

17 ms

Our browser made a total of 77 requests to load all elements on the main page. We found that 84% of them (65 requests) were addressed to the original Letpub.com, 3% (2 requests) were made to Googletagmanager.com and 3% (2 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (348 ms) relates to the external source Code.tidio.co.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.1 MB (26%)

Content Size

4.1 MB

After Optimization

3.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Letpub.com main page is 4.1 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. 70% of websites need less resources to load. Images take 3.9 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 64.5 kB

  • Original 77.0 kB
  • After minification 66.1 kB
  • After compression 12.5 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. This page needs HTML code to be minified as it can gain 10.9 kB, which is 14% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 64.5 kB or 84% of the original size.

Image Optimization

-26%

Potential reduce by 993.0 kB

  • Original 3.9 MB
  • After minification 2.9 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. Obviously, Let Pub needs image optimization as it can save up to 993.0 kB or 26% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-2%

Potential reduce by 3.3 kB

  • Original 159.9 kB
  • After minification 159.8 kB
  • After compression 156.6 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

-21%

Potential reduce by 7.1 kB

  • Original 33.8 kB
  • After minification 28.7 kB
  • After compression 26.7 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. Letpub.com needs all CSS files to be minified and compressed as it can save up to 7.1 kB or 21% of the original size.

Requests Breakdown

Number of requests can be reduced by 25 (35%)

Requests Now

72

After Optimization

47

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 72 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Let Pub. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and from 13 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

letpub.com

letpub.com

31 ms

www.letpub.com

www.letpub.com

51 ms

contact_us_panel.css

contact_us_panel.css

9 ms

jquery-1.11.1.min.js

jquery-1.11.1.min.js

30 ms

contact_us_panel.js

contact_us_panel.js

17 ms

index-banner-2023.css

index-banner-2023.css

17 ms

dym.css

dym.css

20 ms

jquery.superslide.2.1.1.js

jquery.superslide.2.1.1.js

20 ms

sci_support.css

sci_support.css

18 ms

sci_support_va_index.css

sci_support_va_index.css

46 ms

sci_support_clark.js

sci_support_clark.js

45 ms

video_gallery_clark.js

video_gallery_clark.js

44 ms

layui.js

layui.js

92 ms

layui.css

layui.css

47 ms

stylesheet.php

stylesheet.php

47 ms

stylesheet.php

stylesheet.php

46 ms

nav.js

nav.js

44 ms

layui.js

layui.js

63 ms

index-2023.js

index-2023.js

49 ms

js

js

60 ms

js

js

116 ms

m2w2bev865r9exwn8s0vcolytf2r7elv.js

m2w2bev865r9exwn8s0vcolytf2r7elv.js

348 ms

css

css

32 ms

css

css

47 ms

laydate.css

laydate.css

17 ms

layer.css

layer.css

11 ms

code.css

code.css

7 ms

hotjar-2571701.js

hotjar-2571701.js

190 ms

analytics.js

analytics.js

98 ms

logo.jpg

logo.jpg

55 ms

top_btn.jpg

top_btn.jpg

46 ms

logo_10092020.jpg

logo_10092020.jpg

55 ms

sub_nav_bg.jpg

sub_nav_bg.jpg

45 ms

banner2-test.jpg

banner2-test.jpg

82 ms

banner3-test.jpg

banner3-test.jpg

84 ms

modified_image_opacity_65_percent_cropped.png

modified_image_opacity_65_percent_cropped.png

95 ms

homepage-panel-background-covers-cropped.jpg

homepage-panel-background-covers-cropped.jpg

86 ms

editing-and-translation-new-icon2022.jpg

editing-and-translation-new-icon2022.jpg

86 ms

publication-support-new-icon2022.jpg

publication-support-new-icon2022.jpg

81 ms

scientific-editing-new-icon2022.jpg

scientific-editing-new-icon2022.jpg

84 ms

scientific-video-new-icon2022.jpg

scientific-video-new-icon2022.jpg

87 ms

link_01.jpg

link_01.jpg

88 ms

link_02.jpg

link_02.jpg

89 ms

link_03.jpg

link_03.jpg

86 ms

link_04.jpg

link_04.jpg

90 ms

link_05.jpg

link_05.jpg

91 ms

Oxforden.jpg

Oxforden.jpg

98 ms

link_06.jpg

link_06.jpg

89 ms

link_08.jpg

link_08.jpg

91 ms

link_09.jpg

link_09.jpg

96 ms

link_10.jpg

link_10.jpg

95 ms

link_12.jpg

link_12.jpg

97 ms

GLAFIMS.png

GLAFIMS.png

107 ms

link_14.jpg

link_14.jpg

102 ms

homepage-our-team-icon2022.jpg

homepage-our-team-icon2022.jpg

98 ms

homepage-learning-nexus-icon2022.png

homepage-learning-nexus-icon2022.png

101 ms

homepage-journal-selector-icon2022.jpg

homepage-journal-selector-icon2022.jpg

99 ms

homepage-success-stories-icon2022.png

homepage-success-stories-icon2022.png

100 ms

JeniferShafer.jpg

JeniferShafer.jpg

104 ms

odontec_logo.jpg

odontec_logo.jpg

104 ms

kuxar.jpg

kuxar.jpg

102 ms

QiangJiangphoto.jpg

QiangJiangphoto.jpg

105 ms

Sugarman_Jeff.jpg

Sugarman_Jeff.jpg

125 ms

c3_1.jpg

c3_1.jpg

124 ms

iconfont.woff

iconfont.woff

76 ms

menu_arrow.png

menu_arrow.png

68 ms

fb_icon.png

fb_icon.png

68 ms

gin_62.png

gin_62.png

73 ms

instagram_logo.png

instagram_logo.png

74 ms

collect

collect

35 ms

youtube_icon.png

youtube_icon.png

49 ms

letpub-wechat-qr.png

letpub-wechat-qr.png

43 ms

wechat_icon.png

wechat_icon.png

43 ms

collect

collect

42 ms

modules.de6b9e294c29aa146ba1.js

modules.de6b9e294c29aa146ba1.js

16 ms

ga-audiences

ga-audiences

120 ms

render.8a1910f791929ade4485.js

render.8a1910f791929ade4485.js

120 ms

Accessibility Review

letpub.com accessibility score

71

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.

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

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

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Best Practices

letpub.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

Browser errors were logged to the console

SEO Factors

letpub.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

High

robots.txt is not valid

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

    N/A

  • Encoding

    UTF-8

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

letpub.com

Open Graph description is not detected on the main page of Let Pub. 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: