Tools & Wizards About Us

Report Summary

  • 22

    Performance

    Renders faster than
    40% of other websites

  • 93

    Accessibility

    Visual factors better than
    that of 80% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 75

    SEO

    Google-friendlier than
    32% of websites

experimentalnotebooks.com

BookFactory® Lab Notebooks, Log Books and Engineering Notebooks

Page Load Speed

3.6 sec in total

First Response

35 ms

Resources Loaded

3.2 sec

Page Rendered

313 ms

About Website

Click here to check amazing Experimental Notebooks content. Otherwise, check out these important facts you probably never knew about experimentalnotebooks.com

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Key Findings

We analyzed Experimentalnotebooks.com page load time and found that the first response time was 35 ms and then it took 3.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

experimentalnotebooks.com performance score

22

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.7 s

5/100

10%

LCP (Largest Contentful Paint)

Value8.5 s

2/100

25%

SI (Speed Index)

Value9.2 s

13/100

10%

TBT (Total Blocking Time)

Value850 ms

34/100

30%

CLS (Cumulative Layout Shift)

Value0.192

64/100

15%

TTI (Time to Interactive)

Value18.9 s

3/100

10%

Network Requests Diagram

experimentalnotebooks.com

35 ms

www.bookfactory.com

84 ms

d69ccc4ab105d5a76059f3ba83387358.min.css

35 ms

styles-l.min.css

28 ms

menu_default.css

79 ms

Our browser made a total of 157 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Experimentalnotebooks.com, 82% (129 requests) were made to Bookfactory.com and 15% (23 requests) were made to D1gpiqcy35u76w.cloudfront.net. The less responsive or slowest element that took the longest time to load (3 sec) relates to the external source D1gpiqcy35u76w.cloudfront.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 636.5 kB (8%)

Content Size

8.3 MB

After Optimization

7.6 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Experimentalnotebooks.com main page is 8.3 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 7.8 MB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 155.0 kB

  • Original 175.3 kB
  • After minification 158.1 kB
  • After compression 20.3 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 155.0 kB or 88% of the original size.

Image Optimization

-5%

Potential reduce by 374.0 kB

  • Original 7.8 MB
  • After minification 7.4 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. Experimental Notebooks images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 3.1 kB

  • Original 228.9 kB
  • After minification 228.8 kB
  • After compression 225.8 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

-86%

Potential reduce by 104.3 kB

  • Original 121.2 kB
  • After minification 18.6 kB
  • After compression 16.9 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. Experimentalnotebooks.com needs all CSS files to be minified and compressed as it can save up to 104.3 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 120 (81%)

Requests Now

149

After Optimization

29

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 149 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Experimental Notebooks. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 118 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

experimentalnotebooks.com accessibility score

93

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

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

experimentalnotebooks.com best practices score

92

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

Missing source maps for large first-party JavaScript

SEO Factors

experimentalnotebooks.com SEO score

75

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

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 Experimentalnotebooks.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 Experimentalnotebooks.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

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