Tools & Wizards About Us
commoncold.org screenshot

Report Summary

  • 99

    Performance

    Renders faster than
    96% of other websites

  • 93

    Accessibility

    Visual factors better than
    that of 80% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

commoncold.org

Common Cold

Page Load Speed

3.6 sec in total

First Response

553 ms

Resources Loaded

3 sec

Page Rendered

62 ms

commoncold.org screenshot

About Website

Visit commoncold.org now to see the best up-to-date Common Cold content for United States and also check out these interesting facts you probably never knew about commoncold.org

A comprehensive source of information on the common cold that facilitates informed decisions about cold prevention and treatment.

Visit commoncold.org

Key Findings

We analyzed Commoncold.org page load time and found that the first response time was 553 ms and then it took 3.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

commoncold.org performance score

99

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.5 s

95/100

10%

LCP (Largest Contentful Paint)

Value1.5 s

100/100

25%

SI (Speed Index)

Value3.0 s

94/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value1.5 s

100/100

10%

Network Requests Diagram

commoncold.org

553 ms

banner-styles.css

183 ms

commoncold.css

336 ms

myth4.gif

344 ms

cclogo3.gif

346 ms

Our browser made a total of 21 requests to load all elements on the main page. We found that all of those requests were addressed to Commoncold.org and no external sources were called. The less responsive or slowest element that took the longest time to load (721 ms) belongs to the original domain Commoncold.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 5.4 kB (52%)

Content Size

10.4 kB

After Optimization

5.0 kB

  • HTML
  • CSS

In fact, the total size of Commoncold.org main page is 10.4 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. Only 10% of websites need less resources to load. HTML takes 6.4 kB which makes up the majority of the site volume.

HTML Optimization

-69%

Potential reduce by 4.4 kB

  • Original 6.4 kB
  • After minification 5.8 kB
  • After compression 2.0 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 4.4 kB or 69% of the original size.

CSS Optimization

-25%

Potential reduce by 1.0 kB

  • Original 4.0 kB
  • After minification 4.0 kB
  • After compression 3.0 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. Commoncold.org needs all CSS files to be minified and compressed as it can save up to 1.0 kB or 25% of the original size.

Requests Breakdown

Number of requests can be reduced by 6 (35%)

Requests Now

17

After Optimization

11

  • AJAX
  • Images
  • CSS

The browser has sent 17 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Common Cold. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.

Network Requests Diagram

commoncold.org

commoncold.org

553 ms

banner-styles.css

banner-styles.css

183 ms

commoncold.css

commoncold.css

336 ms

myth4.gif

myth4.gif

344 ms

cclogo3.gif

cclogo3.gif

346 ms

r14rot.gif

r14rot.gif

533 ms

home.gif

home.gif

357 ms

sitemap.gif

sitemap.gif

360 ms

trtmnt.gif

trtmnt.gif

504 ms

undrstnd.gif

undrstnd.gif

516 ms

complica.gif

complica.gif

521 ms

prevent.gif

prevent.gif

536 ms

children.gif

children.gif

540 ms

special.gif

special.gif

675 ms

referenc.gif

referenc.gif

690 ms

record.css

record.css

518 ms

commoncold.org

commoncold.org

721 ms

cse.js

cse.js

182 ms

pbkg4.jpg

pbkg4.jpg

534 ms

commoncold.org

commoncold.org

519 ms

commoncold.org

commoncold.org

506 ms

Accessibility Review

commoncold.org accessibility score

93

Accessibility Issues

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

Best Practices

commoncold.org best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

SEO Factors

commoncold.org SEO score

69

Search Engine Optimization Advices

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 Commoncold.org 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 Commoncold.org 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

commoncold.org

Open Graph description is not detected on the main page of Common Cold. 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: