Tools & Wizards About Us

Report Summary

  • 29

    Performance

    Renders faster than
    49% of other websites

  • 98

    Accessibility

    Visual factors better than
    that of 94% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 95

    SEO

    Google-friendlier than
    90% of websites

lsbio.com

Leaders in Immunohistochemistry (IHC) Validated Antibodies | Accelerate Your Research | LSBio

Page Load Speed

2 sec in total

First Response

151 ms

Resources Loaded

1.1 sec

Page Rendered

752 ms

About Website

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

LSBio is the trusted leader in highly sensitive and specific IHC Validated Antibodies, ELISA Kits, Proteins and Nucleic Acids.

Visit lsbio.com

Key Findings

We analyzed Lsbio.com page load time and found that the first response time was 151 ms and then it took 1.8 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

lsbio.com performance score

29

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.3 s

18/100

10%

LCP (Largest Contentful Paint)

Value5.7 s

16/100

25%

SI (Speed Index)

Value5.9 s

47/100

10%

TBT (Total Blocking Time)

Value1,770 ms

10/100

30%

CLS (Cumulative Layout Shift)

Value0.08

94/100

15%

TTI (Time to Interactive)

Value13.3 s

12/100

10%

Network Requests Diagram

lsbio.com

151 ms

www.lsbio.com

304 ms

gtm.js

67 ms

external.css

107 ms

legacy.css

369 ms

Our browser made a total of 43 requests to load all elements on the main page. We found that 7% of them (3 requests) were addressed to the original Lsbio.com, 67% (29 requests) were made to Lsbio-7d62.kxcdn.com and 5% (2 requests) were made to Google.com. The less responsive or slowest element that took the longest time to load (578 ms) relates to the external source Lsbio-7d62.kxcdn.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 211.7 kB (3%)

Content Size

7.0 MB

After Optimization

6.8 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Lsbio.com main page is 7.0 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 6.5 MB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 86.5 kB

  • Original 101.6 kB
  • After minification 81.6 kB
  • After compression 15.1 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 19.9 kB, which is 20% 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 86.5 kB or 85% of the original size.

Image Optimization

-0%

Potential reduce by 8.1 kB

  • Original 6.5 MB
  • After minification 6.5 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. LSBio images are well optimized though.

JavaScript Optimization

-29%

Potential reduce by 116.4 kB

  • Original 408.5 kB
  • After minification 408.5 kB
  • After compression 292.0 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 116.4 kB or 29% of the original size.

CSS Optimization

-27%

Potential reduce by 578 B

  • Original 2.1 kB
  • After minification 2.1 kB
  • After compression 1.6 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. Lsbio.com needs all CSS files to be minified and compressed as it can save up to 578 B or 27% of the original size.

Requests Breakdown

Number of requests can be reduced by 15 (38%)

Requests Now

40

After Optimization

25

  • Images
  • JavaScript
  • CSS

The browser has sent 40 CSS, Javascripts, AJAX and image requests in order to completely render the main page of LSBio. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 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

lsbio.com accessibility score

98

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.

Best Practices

lsbio.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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

lsbio.com SEO score

95

Search Engine Optimization Advices

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 Lsbio.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 Lsbio.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 LSBio. 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: