Report Summary

  • 31

    Performance

    Renders faster than
    51% of other websites

  • 79

    Accessibility

    Visual factors better than
    that of 48% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

invivogen.com

InvivoGen: Reagents and Tools for Cell Biology Research

Page Load Speed

2.5 sec in total

First Response

186 ms

Resources Loaded

2.1 sec

Page Rendered

162 ms

invivogen.com screenshot

About Website

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

InvivoGen provides biological tools for research in cellular and molecular biology, especially in the areas of innate immunity and mammalian cell culture.

Visit invivogen.com

Key Findings

We analyzed Invivogen.com page load time and found that the first response time was 186 ms and then it took 2.3 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

invivogen.com performance score

31

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.4 s

7/100

10%

LCP (Largest Contentful Paint)

Value8.8 s

1/100

25%

SI (Speed Index)

Value9.6 s

11/100

10%

TBT (Total Blocking Time)

Value240 ms

85/100

30%

CLS (Cumulative Layout Shift)

Value0.83

4/100

15%

TTI (Time to Interactive)

Value9.4 s

31/100

10%

Network Requests Diagram

invivogen.com

186 ms

www.invivogen.com

437 ms

style.css

116 ms

layout2.css

174 ms

modules.css

177 ms

Our browser made a total of 58 requests to load all elements on the main page. We found that 95% of them (55 requests) were addressed to the original Invivogen.com, 3% (2 requests) were made to Google-analytics.com and 2% (1 request) were made to J.clickdensity.com. The less responsive or slowest element that took the longest time to load (864 ms) belongs to the original domain Invivogen.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 328.6 kB (45%)

Content Size

732.4 kB

After Optimization

403.8 kB

In fact, the total size of Invivogen.com main page is 732.4 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. Javascripts take 338.6 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 14.1 kB

  • Original 18.4 kB
  • After minification 13.0 kB
  • After compression 4.3 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. This page needs HTML code to be minified as it can gain 5.4 kB, which is 29% 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 14.1 kB or 77% of the original size.

Image Optimization

-3%

Potential reduce by 10.0 kB

  • Original 306.2 kB
  • After minification 296.2 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. Invivo Gen images are well optimized though.

JavaScript Optimization

-73%

Potential reduce by 245.7 kB

  • Original 338.6 kB
  • After minification 290.7 kB
  • After compression 92.9 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 245.7 kB or 73% of the original size.

CSS Optimization

-85%

Potential reduce by 58.9 kB

  • Original 69.3 kB
  • After minification 54.2 kB
  • After compression 10.4 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. Invivogen.com needs all CSS files to be minified and compressed as it can save up to 58.9 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 29 (56%)

Requests Now

52

After Optimization

23

The browser has sent 52 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Invivo Gen. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

invivogen.com accessibility score

79

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.

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

Links do not have a discernible name

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

invivogen.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

SEO Factors

invivogen.com SEO score

79

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

High

Image elements do not have [alt] attributes

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

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 Invivogen.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 Invivogen.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 Invivo Gen. 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: