Tools & Wizards About Us

Report Summary

  • 33

    Performance

    Renders faster than
    53% of other websites

  • 78

    Accessibility

    Visual factors better than
    that of 45% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

rxlist.com

RxList - The Internet Drug Index for prescription drug information, interactions, and side effects

Page Load Speed

1.1 sec in total

First Response

22 ms

Resources Loaded

825 ms

Page Rendered

245 ms

About Website

Welcome to rxlist.com homepage info - get ready to check Rx List best content for United States right away, or after learning these important things about rxlist.com

Medications and prescription drug information for consumers and medical health professionals. Online database of the most popular drugs and their side effects, interactions, and use.

Visit rxlist.com

Key Findings

We analyzed Rxlist.com page load time and found that the first response time was 22 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 20% of websites can load faster.

Performance Metrics

rxlist.com performance score

33

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.4 s

36/100

10%

LCP (Largest Contentful Paint)

Value3.7 s

59/100

25%

SI (Speed Index)

Value26.6 s

0/100

10%

TBT (Total Blocking Time)

Value52,460 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value75.5 s

0/100

10%

Network Requests Diagram

rxlist.com

22 ms

www.rxlist.com

271 ms

otSDKStub.js

55 ms

otCCPAiab.min.js

101 ms

ccm_oo.min.js

122 ms

Our browser made a total of 40 requests to load all elements on the main page. We found that 5% of them (2 requests) were addressed to the original Rxlist.com, 20% (8 requests) were made to Images.rxlist.com and 13% (5 requests) were made to Img.lb.wbmdstatic.com. The less responsive or slowest element that took the longest time to load (326 ms) relates to the external source Bi.medscape.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 230.0 kB (35%)

Content Size

655.6 kB

After Optimization

425.6 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Rxlist.com main page is 655.6 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. 40% of websites need less resources to load. Javascripts take 484.1 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 125.8 kB

  • Original 165.9 kB
  • After minification 160.8 kB
  • After compression 40.1 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. 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 125.8 kB or 76% of the original size.

Image Optimization

-14%

Potential reduce by 222 B

  • Original 1.6 kB
  • After minification 1.4 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, Rx List needs image optimization as it can save up to 222 B or 14% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-21%

Potential reduce by 103.9 kB

  • Original 484.1 kB
  • After minification 484.1 kB
  • After compression 380.2 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 103.9 kB or 21% of the original size.

CSS Optimization

-1%

Potential reduce by 21 B

  • Original 3.9 kB
  • After minification 3.9 kB
  • After compression 3.9 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. Rxlist.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 19 (51%)

Requests Now

37

After Optimization

18

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 37 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Rx List. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 20 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

rxlist.com accessibility score

78

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

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

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

rxlist.com best practices score

58

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

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

rxlist.com SEO score

85

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

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

    EN

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Rxlist.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 Rxlist.com main page’s claimed encoding is iso-8859-1. 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 data is detected on the main page of Rx List. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: