Tools & Wizards About Us
scientific-surplus.com screenshot

Report Summary

  • 91

    Performance

    Renders faster than
    91% of other websites

  • 60

    Accessibility

    Visual factors better than
    that of 26% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 67

    SEO

    Google-friendlier than
    26% of websites

scientific-surplus.com

Scientific Surplus: We buy, sell and refurbish lab equipment such as fermenters, shakers and centrifuges.

Page Load Speed

690 ms in total

First Response

126 ms

Resources Loaded

452 ms

Page Rendered

112 ms

scientific-surplus.com screenshot

About Website

Visit scientific-surplus.com now to see the best up-to-date Scientific Surplus content and also check out these interesting facts you probably never knew about scientific-surplus.com

We buy, sell, recondition and service high quality new and used lab equipment. We specialize in fermenters, centrifuges, shakers and all general lab equipment.

Visit scientific-surplus.com

Key Findings

We analyzed Scientific-surplus.com page load time and found that the first response time was 126 ms and then it took 564 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 10% of websites can load faster.

Performance Metrics

scientific-surplus.com performance score

91

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.4 s

96/100

10%

LCP (Largest Contentful Paint)

Value3.4 s

67/100

25%

SI (Speed Index)

Value3.2 s

92/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.012

100/100

15%

TTI (Time to Interactive)

Value1.6 s

100/100

10%

Network Requests Diagram

scientific-surplus.com

126 ms

stylesnew.css

64 ms

jquery.min.js

80 ms

jquery.cycle.min.js

68 ms

email-decode.min.js

12 ms

Our browser made a total of 24 requests to load all elements on the main page. We found that 92% of them (22 requests) were addressed to the original Scientific-surplus.com, 4% (1 request) were made to Seal-newjersey.bbb.org and 4% (1 request) were made to Selectgcr.com. The less responsive or slowest element that took the longest time to load (213 ms) belongs to the original domain Scientific-surplus.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 35.3 kB (9%)

Content Size

400.0 kB

After Optimization

364.7 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Scientific-surplus.com main page is 400.0 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. 35% of websites need less resources to load. Images take 335.1 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 16.7 kB

  • Original 20.7 kB
  • After minification 16.7 kB
  • After compression 3.9 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 3.9 kB, which is 19% 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 16.7 kB or 81% of the original size.

Image Optimization

-3%

Potential reduce by 8.9 kB

  • Original 335.1 kB
  • After minification 326.2 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. Scientific Surplus images are well optimized though.

JavaScript Optimization

-21%

Potential reduce by 9.1 kB

  • Original 42.6 kB
  • After minification 42.6 kB
  • After compression 33.5 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 9.1 kB or 21% of the original size.

CSS Optimization

-38%

Potential reduce by 662 B

  • Original 1.7 kB
  • After minification 1.7 kB
  • After compression 1.1 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. Scientific-surplus.com needs all CSS files to be minified and compressed as it can save up to 662 B or 38% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

23

After Optimization

23

  • Images
  • JavaScript
  • CSS

The browser has sent 23 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Scientific Surplus. According to our analytics all requests are already optimized.

Network Requests Diagram

scientific-surplus.com

scientific-surplus.com

126 ms

stylesnew.css

stylesnew.css

64 ms

jquery.min.js

jquery.min.js

80 ms

jquery.cycle.min.js

jquery.cycle.min.js

68 ms

email-decode.min.js

email-decode.min.js

12 ms

black-seal-96-50-whitetxt-scientificsurplusllc-90091588.png

black-seal-96-50-whitetxt-scientificsurplusllc-90091588.png

32 ms

SelectGCR_SAM_Certified_Logo.png

SelectGCR_SAM_Certified_Logo.png

63 ms

bannernew.jpg

bannernew.jpg

60 ms

navbg.jpg

navbg.jpg

84 ms

Search.jpg

Search.jpg

63 ms

navtab.jpg

navtab.jpg

67 ms

leftcolbg.jpg

leftcolbg.jpg

68 ms

leftcoltop.jpg

leftcoltop.jpg

71 ms

h3bg.jpg

h3bg.jpg

116 ms

is_single_pixel_gif.gif

is_single_pixel_gif.gif

121 ms

rotatingImg3.jpg

rotatingImg3.jpg

127 ms

rotatingImg4.jpg

rotatingImg4.jpg

151 ms

rotatingImg5.jpg

rotatingImg5.jpg

127 ms

rotatingImg6.jpg

rotatingImg6.jpg

162 ms

rotatingImg7.jpg

rotatingImg7.jpg

173 ms

fermentor.jpg

fermentor.jpg

189 ms

centrifuge.jpg

centrifuge.jpg

185 ms

shaker.jpg

shaker.jpg

188 ms

cclogos.gif

cclogos.gif

213 ms

Accessibility Review

scientific-surplus.com accessibility score

60

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

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

scientific-surplus.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

SEO Factors

scientific-surplus.com SEO score

67

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

Image elements do not have [alt] attributes

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 Scientific-surplus.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 Scientific-surplus.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

scientific-surplus.com

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