Tools & Wizards About Us
scientificsonline.com screenshot

Report Summary

  • 28

    Performance

    Renders faster than
    48% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 61% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

scientificsonline.com

Educational Science Toys, Kits & Equipment - ScientificsOnline.com

Page Load Speed

2.6 sec in total

First Response

41 ms

Resources Loaded

2.2 sec

Page Rendered

430 ms

scientificsonline.com screenshot

About Website

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

Offering the best in Astronomy, Robotics, Drones, Science Kits & more. Prove your hypothesis for fun at Scientifics Online. Shop our selection now!

Visit scientificsonline.com

Key Findings

We analyzed Scientificsonline.com page load time and found that the first response time was 41 ms and then it took 2.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

scientificsonline.com performance score

28

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.2 s

8/100

10%

LCP (Largest Contentful Paint)

Value13.1 s

0/100

25%

SI (Speed Index)

Value7.2 s

30/100

10%

TBT (Total Blocking Time)

Value920 ms

30/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value16.2 s

6/100

10%

Network Requests Diagram

scientificsonline.com

41 ms

www.scientificsonline.com

154 ms

bootstrap.min.css

50 ms

jasny-bootstrap.min.css

56 ms

magnific-popup.css

56 ms

Our browser made a total of 138 requests to load all elements on the main page. We found that 18% of them (25 requests) were addressed to the original Scientificsonline.com, 46% (63 requests) were made to Media.leisureliving.com and 8% (11 requests) were made to Cdnjs.cloudflare.com. The less responsive or slowest element that took the longest time to load (1.2 sec) relates to the external source Cloud.typography.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 397.8 kB (18%)

Content Size

2.2 MB

After Optimization

1.8 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Scientificsonline.com main page is 2.2 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. 75% 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. Images take 1.3 MB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 94.6 kB

  • Original 111.5 kB
  • After minification 74.5 kB
  • After compression 16.9 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 37.0 kB, which is 33% 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 94.6 kB or 85% of the original size.

Image Optimization

-2%

Potential reduce by 29.0 kB

  • Original 1.3 MB
  • After minification 1.3 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. Scientifics Online images are well optimized though.

JavaScript Optimization

-19%

Potential reduce by 90.3 kB

  • Original 479.6 kB
  • After minification 476.9 kB
  • After compression 389.3 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 90.3 kB or 19% of the original size.

CSS Optimization

-56%

Potential reduce by 183.9 kB

  • Original 329.4 kB
  • After minification 326.8 kB
  • After compression 145.5 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. Scientificsonline.com needs all CSS files to be minified and compressed as it can save up to 183.9 kB or 56% of the original size.

Requests Breakdown

Number of requests can be reduced by 48 (39%)

Requests Now

124

After Optimization

76

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 124 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Scientifics Online. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 42 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

scientificsonline.com

scientificsonline.com

41 ms

www.scientificsonline.com

www.scientificsonline.com

154 ms

bootstrap.min.css

bootstrap.min.css

50 ms

jasny-bootstrap.min.css

jasny-bootstrap.min.css

56 ms

magnific-popup.css

magnific-popup.css

56 ms

font-awesome.min.css

font-awesome.min.css

67 ms

animate.min.css

animate.min.css

64 ms

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hover-min.css

191 ms

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65 ms

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69 ms

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56 ms

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207 ms

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69 ms

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64 ms

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65 ms

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63 ms

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72 ms

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62 ms

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80 ms

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71 ms

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87 ms

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92 ms

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95 ms

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72 ms

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61 ms

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61 ms

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66 ms

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67 ms

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67 ms

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65 ms

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67 ms

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69 ms

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68 ms

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130 ms

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63 ms

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Accessibility Review

scientificsonline.com accessibility score

86

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

<frame> or <iframe> elements do not have a title

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

scientificsonline.com best practices score

75

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

Page has valid source maps

SEO Factors

scientificsonline.com SEO score

90

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Scientificsonline.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 Scientificsonline.com main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

scientificsonline.com

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