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shelfit.com screenshot

Report Summary

  • 28

    Performance

    Renders faster than
    48% of other websites

  • 78

    Accessibility

    Visual factors better than
    that of 45% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 88

    SEO

    Google-friendlier than
    65% of websites

shelfit.com

Shelfit Store

Page Load Speed

1.4 sec in total

First Response

132 ms

Resources Loaded

1.1 sec

Page Rendered

118 ms

shelfit.com screenshot

About Website

Click here to check amazing Shelfit content for United States. Otherwise, check out these important facts you probably never knew about shelfit.com

K12 ebooks for schools - Customizable by teachers. Available on any device, online and offline.

Visit shelfit.com

Key Findings

We analyzed Shelfit.com page load time and found that the first response time was 132 ms and then it took 1.2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.

Performance Metrics

shelfit.com performance score

28

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.0 s

51/100

10%

LCP (Largest Contentful Paint)

Value6.9 s

7/100

25%

SI (Speed Index)

Value4.6 s

71/100

10%

TBT (Total Blocking Time)

Value880 ms

32/100

30%

CLS (Cumulative Layout Shift)

Value0.896

3/100

15%

TTI (Time to Interactive)

Value8.7 s

36/100

10%

Network Requests Diagram

shelfit.com

132 ms

calendar.css

56 ms

styles-m.css

77 ms

owl.carousel.css

57 ms

jquery.fancybox.css

57 ms

Our browser made a total of 173 requests to load all elements on the main page. We found that 87% of them (151 requests) were addressed to the original Shelfit.com, 10% (17 requests) were made to Fonts.gstatic.com and 2% (4 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (416 ms) belongs to the original domain Shelfit.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 283.4 kB (43%)

Content Size

654.6 kB

After Optimization

371.1 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Shelfit.com main page is 654.6 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. 80% 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. HTML takes 251.6 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 204.7 kB

  • Original 251.6 kB
  • After minification 224.0 kB
  • After compression 47.0 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. This page needs HTML code to be minified as it can gain 27.7 kB, which is 11% 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 204.7 kB or 81% of the original size.

Image Optimization

-11%

Potential reduce by 19.0 kB

  • Original 176.7 kB
  • After minification 157.7 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. Obviously, Shelfit needs image optimization as it can save up to 19.0 kB or 11% 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 3 B

  • Original 4.1 kB
  • After minification 4.1 kB
  • After compression 4.1 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

-27%

Potential reduce by 59.8 kB

  • Original 222.1 kB
  • After minification 196.2 kB
  • After compression 162.3 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. Shelfit.com needs all CSS files to be minified and compressed as it can save up to 59.8 kB or 27% of the original size.

Requests Breakdown

Number of requests can be reduced by 131 (91%)

Requests Now

144

After Optimization

13

  • Images
  • JavaScript
  • CSS

The browser has sent 144 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Shelfit. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 108 to 1 for JavaScripts and from 25 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

shelfit.com

shelfit.com

132 ms

calendar.css

calendar.css

56 ms

styles-m.css

styles-m.css

77 ms

owl.carousel.css

owl.carousel.css

57 ms

jquery.fancybox.css

jquery.fancybox.css

57 ms

porto-icons-codes.css

porto-icons-codes.css

61 ms

simple-line-icons.css

simple-line-icons.css

60 ms

animation.css

animation.css

62 ms

font-awesome.min.css

font-awesome.min.css

58 ms

swiper.min.css

swiper.min.css

59 ms

amslick.min.css

amslick.min.css

65 ms

rewardpoints.css

rewardpoints.css

61 ms

owl.carousel.css

owl.carousel.css

64 ms

style.css

style.css

62 ms

styles-l.css

styles-l.css

65 ms

c0a14e02485138b157defa455db4c562.js

c0a14e02485138b157defa455db4c562.js

73 ms

css

css

54 ms

snippet.js

snippet.js

124 ms

css

css

115 ms

css

css

122 ms

css

css

123 ms

bootstrap.optimized.min.css

bootstrap.optimized.min.css

63 ms

animate.optimized.css

animate.optimized.css

71 ms

type19.css

type19.css

70 ms

custom.css

custom.css

112 ms

design_shelfit_store_view.css

design_shelfit_store_view.css

113 ms

settings_shelfit_store_view.css

settings_shelfit_store_view.css

113 ms

print.css

print.css

82 ms

jquery.js

jquery.js

115 ms

common.js

common.js

87 ms

dataPost.js

dataPost.js

87 ms

bootstrap.js

bootstrap.js

88 ms

app.js

app.js

87 ms

form-key-provider.js

form-key-provider.js

111 ms

mage-translation-dictionary.js

mage-translation-dictionary.js

110 ms

theme.js

theme.js

110 ms

Shelfit-store-logo_1.png

Shelfit-store-logo_1.png

50 ms

online_bookstore_banner.png

online_bookstore_banner.png

49 ms

teacher_support_banner.png

teacher_support_banner.png

47 ms

implementation_banner.png

implementation_banner.png

46 ms

brand_1.png

brand_1.png

48 ms

brand_2.png

brand_2.png

47 ms

brand_3.png

brand_3.png

50 ms

brand_4.png

brand_4.png

50 ms

brand_5.png

brand_5.png

51 ms

brand_6.png

brand_6.png

52 ms

brand_7.png

brand_7.png

50 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4uaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4uaVc.ttf

42 ms

opensans-400.woff

opensans-400.woff

42 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0B4uaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0B4uaVc.ttf

42 ms

opensans-300.woff

opensans-300.woff

397 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsgH1x4uaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsgH1x4uaVc.ttf

42 ms

opensans-600.woff

opensans-600.woff

39 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1x4uaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1x4uaVc.ttf

43 ms

opensans-700.woff

opensans-700.woff

40 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgshZ1x4uaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgshZ1x4uaVc.ttf

43 ms

autocomplete.js

autocomplete.js

30 ms

sw_megamenu.js

sw_megamenu.js

29 ms

owl.carousel.min.js

owl.carousel.min.js

29 ms

template.js

template.js

113 ms

confirm.js

confirm.js

111 ms

widget.js

widget.js

112 ms

domReady.js

domReady.js

113 ms

main.js

main.js

111 ms

bootstrap.js

bootstrap.js

112 ms

jquery-mixin.js

jquery-mixin.js

88 ms

apear.js

apear.js

88 ms

types.js

types.js

87 ms

layout.js

layout.js

88 ms

fa-solid-900.woff

fa-solid-900.woff

32 ms

fa-regular-400.woff

fa-regular-400.woff

358 ms

porto-icons.woff

porto-icons.woff

34 ms

TK3_WkUHHAIjg75cFRf3bXL8LICs1_FvsUZiYA.ttf

TK3_WkUHHAIjg75cFRf3bXL8LICs1_FvsUZiYA.ttf

29 ms

TK3_WkUHHAIjg75cFRf3bXL8LICs18NvsUZiYA.ttf

TK3_WkUHHAIjg75cFRf3bXL8LICs18NvsUZiYA.ttf

31 ms

TK3_WkUHHAIjg75cFRf3bXL8LICs169vsUZiYA.ttf

TK3_WkUHHAIjg75cFRf3bXL8LICs169vsUZiYA.ttf

31 ms

TK3_WkUHHAIjg75cFRf3bXL8LICs1y9osUZiYA.ttf

TK3_WkUHHAIjg75cFRf3bXL8LICs1y9osUZiYA.ttf

32 ms

TK3_WkUHHAIjg75cFRf3bXL8LICs1xZosUZiYA.ttf

TK3_WkUHHAIjg75cFRf3bXL8LICs1xZosUZiYA.ttf

31 ms

pxiEyp8kv8JHgFVrJJfedw.ttf

pxiEyp8kv8JHgFVrJJfedw.ttf

33 ms

pxiByp8kv8JHgFVrLGT9Z1xlEA.ttf

pxiByp8kv8JHgFVrLGT9Z1xlEA.ttf

34 ms

pxiByp8kv8JHgFVrLDz8Z1xlEA.ttf

pxiByp8kv8JHgFVrLDz8Z1xlEA.ttf

33 ms

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pxiByp8kv8JHgFVrLFj_Z1xlEA.ttf

34 ms

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pxiByp8kv8JHgFVrLEj6Z1xlEA.ttf

35 ms

pxiByp8kv8JHgFVrLCz7Z1xlEA.ttf

pxiByp8kv8JHgFVrLCz7Z1xlEA.ttf

34 ms

pxiByp8kv8JHgFVrLDD4Z1xlEA.ttf

pxiByp8kv8JHgFVrLDD4Z1xlEA.ttf

34 ms

text.js

text.js

30 ms

underscore.js

underscore.js

14 ms

translate.js

translate.js

14 ms

modal.js

modal.js

14 ms

knockout.js

knockout.js

64 ms

knockout-es5.js

knockout-es5.js

63 ms

wrapper.js

wrapper.js

62 ms

main.js

main.js

63 ms

registry.js

registry.js

63 ms

smart-keyboard-handler.js

smart-keyboard-handler.js

13 ms

mage.js

mage.js

12 ms

jquery.lazyload.js

jquery.lazyload.js

13 ms

menu.js

menu.js

158 ms

keycode.js

keycode.js

158 ms

position.js

position.js

147 ms

safe-active-element.js

safe-active-element.js

147 ms

version.js

version.js

147 ms

scripts.js

scripts.js

147 ms

engine.js

engine.js

147 ms

bootstrap.js

bootstrap.js

147 ms

observable_array.js

observable_array.js

148 ms

bound-nodes.js

bound-nodes.js

147 ms

console-logger.js

console-logger.js

147 ms

js-translation.json

js-translation.json

416 ms

modal-popup.html

modal-popup.html

412 ms

modal-slide.html

modal-slide.html

415 ms

modal-custom.html

modal-custom.html

413 ms

key-codes.js

key-codes.js

134 ms

core.js

core.js

132 ms

z-index.js

z-index.js

133 ms

animate.js

animate.js

20 ms

arrays.js

arrays.js

29 ms

compare.js

compare.js

29 ms

misc.js

misc.js

29 ms

objects.js

objects.js

30 ms

strings.js

strings.js

29 ms

template.js

template.js

29 ms

knockout-repeat.js

knockout-repeat.js

21 ms

knockout-fast-foreach.js

knockout-fast-foreach.js

20 ms

events.js

events.js

21 ms

local.js

local.js

21 ms

unique-id.js

unique-id.js

27 ms

observable_source.js

observable_source.js

28 ms

renderer.js

renderer.js

28 ms

resizable.js

resizable.js

19 ms

i18n.js

i18n.js

19 ms

scope.js

scope.js

19 ms

range.js

range.js

20 ms

mage-init.js

mage-init.js

20 ms

keyboard.js

keyboard.js

20 ms

optgroup.js

optgroup.js

20 ms

after-render.js

after-render.js

21 ms

autoselect.js

autoselect.js

20 ms

datepicker.js

datepicker.js

21 ms

outer_click.js

outer_click.js

286 ms

fadeVisible.js

fadeVisible.js

20 ms

collapsible.js

collapsible.js

21 ms

staticChecked.js

staticChecked.js

87 ms

simple-checked.js

simple-checked.js

88 ms

bind-html.js

bind-html.js

88 ms

tooltip.js

tooltip.js

88 ms

color-picker.js

color-picker.js

88 ms

logger.js

logger.js

89 ms

entry-factory.js

entry-factory.js

88 ms

console-output-handler.js

console-output-handler.js

89 ms

formatter.js

formatter.js

88 ms

message-pool.js

message-pool.js

89 ms

levels-pool.js

levels-pool.js

89 ms

logger-utils.js

logger-utils.js

89 ms

data.js

data.js

89 ms

disable-selection.js

disable-selection.js

89 ms

focusable.js

focusable.js

90 ms

form.js

form.js

82 ms

ie.js

ie.js

83 ms

labels.js

labels.js

82 ms

jquery-patch.js

jquery-patch.js

82 ms

plugin.js

plugin.js

82 ms

safe-blur.js

safe-blur.js

82 ms

scroll-parent.js

scroll-parent.js

82 ms

tabbable.js

tabbable.js

82 ms

class.js

class.js

39 ms

async.js

async.js

38 ms

loader.js

loader.js

13 ms

spectrum.js

spectrum.js

10 ms

tinycolor.js

tinycolor.js

10 ms

moment.js

moment.js

7 ms

entry.js

entry.js

62 ms

dom-observer.js

dom-observer.js

49 ms

bindings.js

bindings.js

50 ms

Accessibility Review

shelfit.com accessibility score

78

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

High

Links do not have a discernible 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.

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>).

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

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

shelfit.com best practices score

75

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

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

shelfit.com SEO score

88

Search Engine Optimization Advices

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

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

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

shelfit.com

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