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m.cdc.gov: Centers for Disease Control and Prevention

As the nation’s health protection agency, CDC saves lives and protects people from health, safety, and security threats.

Page load speed analysis

  • 75/100

    Good result
  • 8

    Successful tests
  • 0

    Failed test
  • First response

    185 ms

  • Resources loaded

    1.2 sec

  • Page rendered

    402 ms

  • Total page load time

    1.8 sec

Click here to check amazing M Cdc content for United States. Otherwise, check out these important facts you probably never knew about m.cdc.gov

We analyzed M.cdc.gov page load time and found that the first response time was 185 ms and then it took 1.6 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.

Page optimization

  • HTML 70.3 kB
    Images 444.9 kB
    Javascripts 648.5 kB
    CSS 444.2 kB

    In fact, the total size of M.cdc.gov main page is 1.6 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. 65% of websites need less resources to load. Javascripts take 648.5 kB which makes up the majority of the site volume.

    • Original 70.3 kB
    • After minification 57.2 kB
    • After compression 12.0 kB

    HTML optimization

    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 page needs HTML code to be minified as it can gain 13.1 kB, which is 19% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 58.3 kB or 83% of the original size.

    • Original 444.9 kB
    • After optimization 407.1 kB

    Image optimization

    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. M Cdc images are well optimized though.

    • Original 648.5 kB
    • After minification 605.1 kB
    • After compression 202.9 kB

    JavaScript optimization

    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 445.6 kB or 69% of the original size.

    • Original 444.2 kB
    • After minification 435.9 kB
    • After compression 67.6 kB

    CSS optimization

    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. M.cdc.gov needs all CSS files to be minified and compressed as it can save up to 376.5 kB or 85% of the original size.

Network requests diagram

  • m.cdc.gov
  • bootstrap24.css
  • app.css
  • modernizr-latest.js
  • homepage.css
  • yamm.css
  • localrd.css
  • libs.min.js
  • core.min.js
  • app.min.js
  • foresee-trigger.js
  • foresee-variables.js
  • Universal-Federated-Analytics-Min.js
  • rd_custom_interactions.js
  • topic_levels.js
  • s_code_v21_cdcgov.js
  • rd_search.js
  • homePageSurvey.js
  • rss-featurefeed-disease.js
  • rss-featurefeed-healthy.js
  • rss-featurefeed-travel.js
  • rss-featurefeed-emergency.js
  • homepage_gradient.jpg
  • masthead.svg
  • masthead_3-col.svg
  • masthead_1-col.svg
  • su.png
  • sm-plus.gif
  • 16_250322-bt_thapar_zika_general_2_v4_1184x300.jpg
  • zika_285px.jpg
  • healthy-contact-lens_285px.jpg
  • travelinsurance_285px.jpg
  • colorectalcancer_285px.jpg
  • outbreak_icon.png
  • CDC_247.png
  • cdc_24-7_horizontal.png
  • immunization-schedules_200px.jpg
  • immunization-schedules_450px.jpg
  • virus.jpg
  • organization.jpg
  • dr_frieden.jpg
  • TwitterFailoverButton.png
  • ss.png
  • sm.png
  • lato-regular-webfont.woff
  • fontawesome-webfont.woff
  • analytics.js
  • feed.asp
  • feed.asp
  • feed.asp
  • feed.asp
  • feed.asp
  • socialmenu.js
  • socialmenu.css
  • remote.loader.js
  • feed.asp
  • smRecommend.png
  • smTweet.png
  • s33668742000591
  • facebook-32.png
  • twitter-32.png
  • foresee-surveydef.js
  • collect
  • travelhealthinsurance_456px.jpg
  • winterweather_456px.jpg
  • healthy-contact-lens_456px.jpg
  • birth-defects-day_456px.jpg
  • foresee-dhtml.css
  • print.css
  • sayt.css
  • sayt_loader_libs.js
  • stats.js
  • addthis-32.png
  • twitter-16.png
  • facebook-16.png
  • pinterest-16.png
  • linkedin-16.png
  • email-16.png
  • digg-16.png

Our browser made a total of 79 requests to load all elements on the main page. We found that 78% of them (62 requests) were addressed to the original M.cdc.gov, 8% (6 requests) were made to Www2c.cdc.gov and 5% (4 requests) were made to Search.usa.gov. The less responsive or slowest element that took the longest time to load (315 ms) relates to the external source Search.usa.gov.

Additional info on m.cdc.gov

Requests

The browser has sent 76 CSS, Javascripts, AJAX and image requests in order to completely render the main page of M Cdc. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 22 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

22

Javascripts

39

Images

9

CSS

6

AJAX

76

All

Possible request optimization

1

Javascripts

29

Images

1

CSS

6

AJAX

39

Optimized

37

All

Normal result

IP address

This IP address is dedicated to M.cdc.gov. This is the best domain hosting practice .

Good result

IP Trace

DNS records

Type Host Target/ip TTL Other
A

origin.glb.cdc.gov

198.246.102.49 3
CNAME

m.cdc.gov

origin.glb.cdc.gov 3565

Language and encoding

Good result

Language

EN en language flag

Detected

EN en language flag

Claimed

Encoding

UTF-8

Claimed

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise M.cdc.gov 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 M.cdc.gov 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.

HTTPS certificate

SSL Certificate

M.cdc.gov has no SSL certificate. Web browsing can be safer with HTTPS connection, so we suggest that it should be obtained for this site.

Normal result

Visitor World Map

Country of origin for 62.5% of all visits is United States. Unfortunately, we cannot track the location of M.cdc.gov server and thus cannot define if the distance between their user base and server can potentially affect the page load time

Good result

Good result

Social Sharing Optimization

Open Graph data is detected on the main page of M Cdc. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook:

m.cdc.gov

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