Tools & Wizards About Us
kendallscientific.com screenshot

Report Summary

  • 73

    Performance

    Renders faster than
    82% of other websites

  • 91

    Accessibility

    Visual factors better than
    that of 76% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 82

    SEO

    Google-friendlier than
    44% of websites

kendallscientific.com

Peptide Synthesis | Elisa Kits | Protein Purification

Page Load Speed

1.4 sec in total

First Response

144 ms

Resources Loaded

1 sec

Page Rendered

285 ms

kendallscientific.com screenshot

About Website

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

Our protein biology products such as Peptide Synthesis and Elisa Kits allow you to detect, measure, and explore a protein expressions identity and function

Visit kendallscientific.com

Key Findings

We analyzed Kendallscientific.com page load time and found that the first response time was 144 ms and then it took 1.3 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

kendallscientific.com performance score

73

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.3 s

76/100

10%

LCP (Largest Contentful Paint)

Value3.4 s

66/100

25%

SI (Speed Index)

Value2.5 s

98/100

10%

TBT (Total Blocking Time)

Value60 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value1.068

2/100

15%

TTI (Time to Interactive)

Value3.8 s

89/100

10%

Network Requests Diagram

kendallscientific.com

144 ms

kendallscientific.com

283 ms

bootstrap.min.css

57 ms

index.css

110 ms

snippet.js

28 ms

Our browser made a total of 59 requests to load all elements on the main page. We found that 93% of them (55 requests) were addressed to the original Kendallscientific.com, 3% (2 requests) were made to Sealserver.trustwave.com and 2% (1 request) were made to Static.zdassets.com. The less responsive or slowest element that took the longest time to load (396 ms) belongs to the original domain Kendallscientific.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 43.2 kB (9%)

Content Size

467.0 kB

After Optimization

423.8 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Kendallscientific.com main page is 467.0 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. 30% of websites need less resources to load. Images take 349.3 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 28.7 kB

  • Original 34.7 kB
  • After minification 31.9 kB
  • After compression 6.0 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. 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 28.7 kB or 83% of the original size.

Image Optimization

-4%

Potential reduce by 13.4 kB

  • Original 349.3 kB
  • After minification 335.9 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. Kendallscientific images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 187 B

  • Original 52.7 kB
  • After minification 52.7 kB
  • After compression 52.6 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

-3%

Potential reduce by 937 B

  • Original 30.3 kB
  • After minification 30.3 kB
  • After compression 29.3 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. Kendallscientific.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 31 (54%)

Requests Now

57

After Optimization

26

  • Images
  • JavaScript
  • CSS

The browser has sent 57 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Kendallscientific. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

kendallscientific.com

kendallscientific.com

144 ms

kendallscientific.com

kendallscientific.com

283 ms

bootstrap.min.css

bootstrap.min.css

57 ms

index.css

index.css

110 ms

snippet.js

snippet.js

28 ms

seal.js

seal.js

338 ms

style-resp.css

style-resp.css

157 ms

jcarousel.responsive.css

jcarousel.responsive.css

157 ms

jcarousel.responsive2.css

jcarousel.responsive2.css

158 ms

jquery-2.1.1.min.js

jquery-2.1.1.min.js

163 ms

jquery.jcarousel.min.js

jquery.jcarousel.min.js

159 ms

jcarousel.responsive.js

jcarousel.responsive.js

159 ms

jquery.jcarousel.min2.js

jquery.jcarousel.min2.js

209 ms

jcarousel.responsive2.js

jcarousel.responsive2.js

209 ms

bootstrap.min.js

bootstrap.min.js

210 ms

style.css

style.css

212 ms

order-icon.png

order-icon.png

89 ms

signup-icon.png

signup-icon.png

90 ms

cart-icon.png

cart-icon.png

147 ms

contact-icon.png

contact-icon.png

147 ms

company-logo.png

company-logo.png

148 ms

contact-info.png

contact-info.png

148 ms

email-icon-blue.png

email-icon-blue.png

149 ms

phone-icon2-blue.png

phone-icon2-blue.png

149 ms

lens-icon.png

lens-icon.png

189 ms

banner1.jpg

banner1.jpg

300 ms

arrow-icon.png

arrow-icon.png

190 ms

transparent-bg.png

transparent-bg.png

191 ms

service-bar.png

service-bar.png

192 ms

service-img1.png

service-img1.png

195 ms

service-img2.png

service-img2.png

244 ms

service-img3.png

service-img3.png

244 ms

service-img4.png

service-img4.png

247 ms

product-bar.png

product-bar.png

246 ms

product-img1.png

product-img1.png

247 ms

product-img2.png

product-img2.png

299 ms

product-img3.png

product-img3.png

300 ms

product-img4.png

product-img4.png

300 ms

promotion-img1.jpg

promotion-img1.jpg

301 ms

promotion-img2.jpg

promotion-img2.jpg

302 ms

promotion-img3.jpg

promotion-img3.jpg

343 ms

newtech-img1.jpg

newtech-img1.jpg

396 ms

newtech-img2.jpg

newtech-img2.jpg

316 ms

newtech-img3.jpg

newtech-img3.jpg

322 ms

service-img1.jpg

service-img1.jpg

320 ms

service-img2.jpg

service-img2.jpg

321 ms

product-big.jpg

product-big.jpg

364 ms

footer-bottom-bg.png

footer-bottom-bg.png

362 ms

company-logo-grey.png

company-logo-grey.png

322 ms

footer-hline.png

footer-hline.png

321 ms

fb-icon.png

fb-icon.png

323 ms

tw-icon.png

tw-icon.png

364 ms

in-icon.png

in-icon.png

364 ms

seal_image.php

seal_image.php

25 ms

footer-vline.png

footer-vline.png

234 ms

css

css

26 ms

arrow-left.png

arrow-left.png

216 ms

arrow-right.png

arrow-right.png

216 ms

fax-icon-blue.png

fax-icon-blue.png

160 ms

Accessibility Review

kendallscientific.com accessibility score

91

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

Best Practices

kendallscientific.com best practices score

58

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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

kendallscientific.com SEO score

82

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 Kendallscientific.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 Kendallscientific.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

kendallscientific.com

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