Report Summary

  • 31

    Performance

    Renders faster than
    51% of other websites

  • 77

    Accessibility

    Visual factors better than
    that of 44% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

symptoms.webmd.com

Symptom Checker with Body from WebMD - Check Your Medical Symptoms

Page Load Speed

665 ms in total

First Response

114 ms

Resources Loaded

450 ms

Page Rendered

101 ms

About Website

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

WebMD Symptom Checker is designed with a body map to help you understand what your medical symptoms could mean, and provide you with the trusted information you need to help make informed decisions in...

Visit symptoms.webmd.com

Key Findings

We analyzed Symptoms.webmd.com page load time and found that the first response time was 114 ms and then it took 551 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

symptoms.webmd.com performance score

31

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.6 s

64/100

10%

LCP (Largest Contentful Paint)

Value4.5 s

37/100

25%

SI (Speed Index)

Value16.5 s

0/100

10%

TBT (Total Blocking Time)

Value7,940 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.006

100/100

15%

TTI (Time to Interactive)

Value37.2 s

0/100

10%

Network Requests Diagram

symptoms.webmd.com

114 ms

otSDKStub.js

46 ms

otCCPAiab.min.js

70 ms

launch-529817435ade.min.js

25 ms

app.23cc3a65.js

121 ms

Our browser made a total of 24 requests to load all elements on the main page. We found that 4% of them (1 request) were addressed to the original Symptoms.webmd.com, 29% (7 requests) were made to Img.lb.wbmdstatic.com and 13% (3 requests) were made to Cdn.cookielaw.org. The less responsive or slowest element that took the longest time to load (264 ms) relates to the external source Polyfill.io.

Page Optimization Overview & Recommendations

Page size can be reduced by 345.8 kB (54%)

Content Size

644.9 kB

After Optimization

299.2 kB

In fact, the total size of Symptoms.webmd.com main page is 644.9 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. HTML takes 441.9 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 345.7 kB

  • Original 441.9 kB
  • After minification 441.0 kB
  • After compression 96.2 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 345.7 kB or 78% of the original size.

JavaScript Optimization

-0%

Potential reduce by 66 B

  • Original 203.0 kB
  • After minification 203.0 kB
  • After compression 202.9 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. This website has mostly compressed JavaScripts.

Requests Breakdown

Number of requests can be reduced by 10 (45%)

Requests Now

22

After Optimization

12

The browser has sent 22 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Symptoms WebMD. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

symptoms.webmd.com accessibility score

77

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-*] attributes do not match their roles

High

[aria-*] attributes do not have valid values

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

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

Best Practices

symptoms.webmd.com best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Requests the geolocation permission on page load

High

Includes front-end JavaScript libraries with known security vulnerabilities

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

symptoms.webmd.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 Symptoms.webmd.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 Symptoms.webmd.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 data is detected on the main page of Symptoms WebMD. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: