Tools & Wizards About Us

Report Summary

  • 15

    Performance

    Renders faster than
    27% of other websites

  • 94

    Accessibility

    Visual factors better than
    that of 83% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

norvasc.com

High Blood Pressure & Angina | NORVASC® (amlodipine besylate) | Safety Info

Page Load Speed

1.5 sec in total

First Response

13 ms

Resources Loaded

1 sec

Page Rendered

483 ms

About Website

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

Learn about NORVASC® (amlodipine besylate) high blood pressure medicine. Read about the risks and benefits of NORVASC®.

Visit norvasc.com

Key Findings

We analyzed Norvasc.com page load time and found that the first response time was 13 ms and then it took 1.5 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.

Performance Metrics

norvasc.com performance score

15

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value8.1 s

0/100

10%

LCP (Largest Contentful Paint)

Value25.2 s

0/100

25%

SI (Speed Index)

Value11.1 s

6/100

10%

TBT (Total Blocking Time)

Value730 ms

40/100

30%

CLS (Cumulative Layout Shift)

Value0.525

14/100

15%

TTI (Time to Interactive)

Value25.4 s

0/100

10%

Network Requests Diagram

norvasc.com

13 ms

www.norvasc.com

11 ms

www.norvasc.com

203 ms

bootstrap-grid-24.css

11 ms

mediaelementplayer.css

85 ms

Our browser made a total of 154 requests to load all elements on the main page. We found that 90% of them (139 requests) were addressed to the original Norvasc.com, 8% (12 requests) were made to Fonts.gstatic.com and 1% (1 request) were made to Cdn.jwplayer.com. The less responsive or slowest element that took the longest time to load (391 ms) belongs to the original domain Norvasc.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 2.7 MB (72%)

Content Size

3.7 MB

After Optimization

1.1 MB

  • Images
  • JavaScript
  • CSS

In fact, the total size of Norvasc.com main page is 3.7 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. Javascripts take 2.7 MB which makes up the majority of the site volume.

HTML Optimization

-0%

Potential reduce by -8 B

  • Original 0 B

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 web page is already compressed.

Image Optimization

-15%

Potential reduce by 68.1 kB

  • Original 465.2 kB
  • After minification 397.1 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. Obviously, NORVASC needs image optimization as it can save up to 68.1 kB or 15% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-79%

Potential reduce by 2.2 MB

  • Original 2.7 MB
  • After minification 2.3 MB
  • After compression 580.8 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 2.2 MB or 79% of the original size.

CSS Optimization

-86%

Potential reduce by 444.5 kB

  • Original 519.8 kB
  • After minification 404.3 kB
  • After compression 75.3 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. Norvasc.com needs all CSS files to be minified and compressed as it can save up to 444.5 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 112 (81%)

Requests Now

139

After Optimization

27

  • Images
  • JavaScript
  • CSS

The browser has sent 139 CSS, Javascripts, AJAX and image requests in order to completely render the main page of NORVASC. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 88 to 1 for JavaScripts and from 26 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

norvasc.com accessibility score

94

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

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Best Practices

norvasc.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

norvasc.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

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

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Norvasc.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 Norvasc.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 NORVASC. 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: