Tools & Wizards About Us

Report Summary

  • 24

    Performance

    Renders faster than
    43% of other websites

  • 91

    Accessibility

    Visual factors better than
    that of 76% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

vigenebio.com

Viral Vectors for Gene Therapy | Lentivirus & AAV Production

Page Load Speed

1.2 sec in total

First Response

63 ms

Resources Loaded

1 sec

Page Rendered

136 ms

About Website

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

Vigene offers High Quality Viral Vectors & Plasmids. Trusted Resource For AAV Lentivirus Production, cGMP & Cloning Services. Request A Quote Today!

Visit vigenebio.com

Key Findings

We analyzed Vigenebio.com page load time and found that the first response time was 63 ms and then it took 1.1 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

vigenebio.com performance score

24

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.8 s

5/100

10%

LCP (Largest Contentful Paint)

Value6.1 s

12/100

25%

SI (Speed Index)

Value6.8 s

35/100

10%

TBT (Total Blocking Time)

Value2,630 ms

4/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value15.8 s

6/100

10%

Network Requests Diagram

vigenebio.com

63 ms

vigene-biosciences-now-part-charles-river

511 ms

evergage.min.js

35 ms

google_tag.script.js

29 ms

css_ogwhrgXysJ_YzKbwL8akr_sJkHbOJScoFM_EKiXS86I.css

50 ms

Our browser made a total of 22 requests to load all elements on the main page. We found that 5% of them (1 request) were addressed to the original Vigenebio.com, 59% (13 requests) were made to Criver.com and 5% (1 request) were made to Cdn.evgnet.com. The less responsive or slowest element that took the longest time to load (511 ms) relates to the external source Criver.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 46.9 kB (5%)

Content Size

972.2 kB

After Optimization

925.3 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Vigenebio.com main page is 972.2 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. 50% of websites need less resources to load. Javascripts take 493.9 kB which makes up the majority of the site volume.

HTML Optimization

-72%

Potential reduce by 24.9 kB

  • Original 34.6 kB
  • After minification 30.9 kB
  • After compression 9.7 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 3.6 kB, which is 11% 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 24.9 kB or 72% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 404.1 kB
  • After minification 404.1 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. Vi Gene Bio images are well optimized though.

JavaScript Optimization

-4%

Potential reduce by 21.4 kB

  • Original 493.9 kB
  • After minification 493.8 kB
  • After compression 472.6 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

-2%

Potential reduce by 663 B

  • Original 39.5 kB
  • After minification 39.5 kB
  • After compression 38.9 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. Vigenebio.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 15 (79%)

Requests Now

19

After Optimization

4

  • Images
  • JavaScript
  • CSS

The browser has sent 19 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Vi Gene Bio. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

vigenebio.com accessibility score

91

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

Links do not have a discernible name

Best Practices

vigenebio.com best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

vigenebio.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

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 Vigenebio.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 Vigenebio.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 Vi Gene Bio. 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: