Report Summary

  • 40

    Performance

    Renders faster than
    60% of other websites

  • 83

    Accessibility

    Visual factors better than
    that of 56% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

vandapharmaceuticals.com

Vanda Pharmaceuticals Inc. | A Global Biopharmaceutical Company

Page Load Speed

752 ms in total

First Response

65 ms

Resources Loaded

395 ms

Page Rendered

292 ms

vandapharmaceuticals.com screenshot

About Website

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

Vanda is a global biopharmaceutical company focused on the development and commercialization of innovative therapies to address high unmet medical needs and improve the lives of patients.

Visit vandapharmaceuticals.com

Key Findings

We analyzed Vandapharmaceuticals.com page load time and found that the first response time was 65 ms and then it took 687 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

vandapharmaceuticals.com performance score

40

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.3 s

75/100

10%

LCP (Largest Contentful Paint)

Value13.1 s

0/100

25%

SI (Speed Index)

Value7.9 s

22/100

10%

TBT (Total Blocking Time)

Value340 ms

74/100

30%

CLS (Cumulative Layout Shift)

Value0.318

36/100

15%

TTI (Time to Interactive)

Value10.4 s

24/100

10%

Network Requests Diagram

vandapharmaceuticals.com

65 ms

vandapharmaceuticals.com

75 ms

application-ad58d816d010608ca2cfa91a19c81871f4c9e4d8889e7f9f8a8dfc589220c5a9.css

9 ms

css

30 ms

css

42 ms

Our browser made a total of 21 requests to load all elements on the main page. We found that 48% of them (10 requests) were addressed to the original Vandapharmaceuticals.com, 19% (4 requests) were made to Vndaprod-corporate-assets.s3.amazonaws.com and 14% (3 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (175 ms) relates to the external source Vndaprod-corporate-assets.s3.amazonaws.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 307.4 kB (12%)

Content Size

2.6 MB

After Optimization

2.3 MB

In fact, the total size of Vandapharmaceuticals.com main page is 2.6 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. 50% of websites need less resources to load. Images take 2.3 MB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 48.6 kB

  • Original 61.1 kB
  • After minification 58.2 kB
  • After compression 12.5 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 48.6 kB or 80% of the original size.

Image Optimization

-11%

Potential reduce by 258.7 kB

  • Original 2.3 MB
  • After minification 2.1 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. Obviously, Vanda Pharmaceuticals needs image optimization as it can save up to 258.7 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-0%

Potential reduce by 50 B

  • Original 186.7 kB
  • After minification 186.7 kB
  • After compression 186.7 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

-0%

Potential reduce by 54 B

  • Original 28.4 kB
  • After minification 28.4 kB
  • After compression 28.3 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. Vandapharmaceuticals.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 7 (37%)

Requests Now

19

After Optimization

12

The browser has sent 19 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Vanda Pharmaceuticals. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

vandapharmaceuticals.com accessibility score

83

Accessibility Issues

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

vandapharmaceuticals.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

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

vandapharmaceuticals.com SEO score

90

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

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

    N/A

  • Encoding

    N/A

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Vandapharmaceuticals.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Vandapharmaceuticals.com main page’s claimed encoding is . Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

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