Tools & Wizards About Us
csepub.com screenshot

Report Summary

  • 41

    Performance

    Renders faster than
    60% of other websites

  • 85

    Accessibility

    Visual factors better than
    that of 60% of websites

  • 85

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 85

    SEO

    Google-friendlier than
    56% of websites

csepub.com

CSePUB - Publish and read ebooks, electronic textbooks and course packets

Page Load Speed

2.4 sec in total

First Response

62 ms

Resources Loaded

738 ms

Page Rendered

1.6 sec

csepub.com screenshot

About Website

Visit csepub.com now to see the best up-to-date CSePUB content for United States and also check out these interesting facts you probably never knew about csepub.com

CSePUB is a self publishing platform with easy to use tools for author, readers and students. Publish your ebooks and electronic course packets and avoid traditional publishing obstacles while achievi...

Visit csepub.com

Key Findings

We analyzed Csepub.com page load time and found that the first response time was 62 ms and then it took 2.4 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

csepub.com performance score

41

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.0 s

24/100

10%

LCP (Largest Contentful Paint)

Value7.4 s

5/100

25%

SI (Speed Index)

Value4.0 s

81/100

10%

TBT (Total Blocking Time)

Value990 ms

28/100

30%

CLS (Cumulative Layout Shift)

Value0.043

99/100

15%

TTI (Time to Interactive)

Value6.7 s

57/100

10%

Network Requests Diagram

csepub.com

62 ms

www.csepub.com

85 ms

application-9b55c36b825bd4e0675941158ad69af467771f1b7f974b16b0cd098d2a6c329d.css

20 ms

misc-4ff88b1e9a111e943439042ec99fb69dbc05fec6e51dba8d0f3d8147e45c4fae.css

19 ms

ckeditor.js

162 ms

Our browser made a total of 55 requests to load all elements on the main page. We found that 91% of them (50 requests) were addressed to the original Csepub.com, 4% (2 requests) were made to Cdn.jsdelivr.net and 4% (2 requests) were made to Ssl.google-analytics.com. The less responsive or slowest element that took the longest time to load (266 ms) belongs to the original domain Csepub.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 474.6 kB (24%)

Content Size

2.0 MB

After Optimization

1.5 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Csepub.com main page is 2.0 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 1.9 MB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 27.2 kB

  • Original 35.7 kB
  • After minification 31.3 kB
  • After compression 8.5 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 4.4 kB, which is 12% 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 27.2 kB or 76% of the original size.

Image Optimization

-23%

Potential reduce by 438.7 kB

  • Original 1.9 MB
  • After minification 1.5 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, CSePUB needs image optimization as it can save up to 438.7 kB or 23% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-0%

Potential reduce by 34 B

  • Original 17.2 kB
  • After minification 17.2 kB
  • After compression 17.1 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

-20%

Potential reduce by 8.6 kB

  • Original 42.0 kB
  • After minification 42.0 kB
  • After compression 33.4 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. Csepub.com needs all CSS files to be minified and compressed as it can save up to 8.6 kB or 20% of the original size.

Requests Breakdown

Number of requests can be reduced by 6 (12%)

Requests Now

52

After Optimization

46

  • Images
  • JavaScript
  • CSS

The browser has sent 52 CSS, Javascripts, AJAX and image requests in order to completely render the main page of CSePUB. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

csepub.com

csepub.com

62 ms

www.csepub.com

www.csepub.com

85 ms

application-9b55c36b825bd4e0675941158ad69af467771f1b7f974b16b0cd098d2a6c329d.css

application-9b55c36b825bd4e0675941158ad69af467771f1b7f974b16b0cd098d2a6c329d.css

20 ms

misc-4ff88b1e9a111e943439042ec99fb69dbc05fec6e51dba8d0f3d8147e45c4fae.css

misc-4ff88b1e9a111e943439042ec99fb69dbc05fec6e51dba8d0f3d8147e45c4fae.css

19 ms

ckeditor.js

ckeditor.js

162 ms

slick.css

slick.css

47 ms

slick-theme.css

slick-theme.css

37 ms

application-47778ecfa5197745caf2.js

application-47778ecfa5197745caf2.js

45 ms

tex-mml-chtml.js

tex-mml-chtml.js

65 ms

ga.js

ga.js

207 ms

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logo-fc7af169f9026186b2c71a9ce9f92426b9ab4fc2daa5b0babf8b20872ddb5862.png

161 ms

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user-fcb64a2e6620319656569c9b68c79697bc3072cb84dde7071cc989f7b79074f6.svg

147 ms

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241 ms

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150 ms

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237 ms

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236 ms

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229 ms

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237 ms

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250 ms

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author-69c8760b0aba43998ffe60dcf1a65be14d40bf5673f58f59237364d83da8f444.svg

240 ms

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student-7cc4e2eee55cd132dc27042b59e987fc8c92b6318813d3e0987e62f7a4e5d8af.svg

243 ms

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professor-cb77600156ad2c293ddfcdbdfa2723e3cdc22405c9a4639bc48c324386c55111.svg

242 ms

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248 ms

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globe-a5dd59ccd52c3881a6d9d362dc6c65b37fc5a16d67b02cdb1d2407e5a58eb787.svg

246 ms

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253 ms

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254 ms

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259 ms

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257 ms

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256 ms

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253 ms

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254 ms

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256 ms

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259 ms

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258 ms

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259 ms

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260 ms

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256 ms

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257 ms

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258 ms

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266 ms

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258 ms

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258 ms

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260 ms

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265 ms

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265 ms

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265 ms

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132 ms

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132 ms

__utm.gif

__utm.gif

52 ms

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60 ms

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45 ms

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47 ms

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46 ms

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47 ms

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ajax-loader.gif

45 ms

Accessibility Review

csepub.com accessibility score

85

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

Best Practices

csepub.com best practices score

85

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

High

Missing source maps for large first-party JavaScript

SEO Factors

csepub.com SEO score

85

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

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 Csepub.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 Csepub.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

csepub.com

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