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pubmed.com screenshot

Report Summary

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    Performance

  • 0

    Accessibility

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    Best Practices

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    SEO

pubmed.com

Home - PubMed - NCBI

Page Load Speed

6.2 sec in total

First Response

68 ms

Resources Loaded

5.8 sec

Page Rendered

292 ms

pubmed.com screenshot

About Website

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

PubMed comprises more than 29 million citations for biomedical literature from MEDLINE, life science journals, and online books. Citations may include links to full-text content from PubMed Central an...

Visit pubmed.com

Key Findings

We analyzed Pubmed.com page load time and found that the first response time was 68 ms and then it took 6.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

pubmed.com performance score

0

Network Requests Diagram

pubmed.com

68 ms

1333 ms

jig.min.js

99 ms

3579733.css

1108 ms

3923904.css

3131 ms

Our browser made a total of 25 requests to load all elements on the main page. We found that 4% of them (1 request) were addressed to the original Pubmed.com, 72% (18 requests) were made to Static.pubmed.gov and 24% (6 requests) were made to Ncbi.nlm.nih.gov. The less responsive or slowest element that took the longest time to load (3.1 sec) relates to the external source Static.pubmed.gov.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.0 MB (75%)

Content Size

1.3 MB

After Optimization

328.1 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Pubmed.com main page is 1.3 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. 30% of websites need less resources to load. Javascripts take 1.1 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 53.7 kB

  • Original 64.5 kB
  • After minification 62.0 kB
  • After compression 10.8 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 53.7 kB or 83% of the original size.

Image Optimization

-25%

Potential reduce by 6.5 kB

  • Original 26.3 kB
  • After minification 19.8 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, Pub Med needs image optimization as it can save up to 6.5 kB or 25% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-76%

Potential reduce by 861.4 kB

  • Original 1.1 MB
  • After minification 1.1 MB
  • After compression 273.5 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 861.4 kB or 76% of the original size.

CSS Optimization

-78%

Potential reduce by 86.9 kB

  • Original 110.9 kB
  • After minification 107.4 kB
  • After compression 24.0 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. Pubmed.com needs all CSS files to be minified and compressed as it can save up to 86.9 kB or 78% of the original size.

Requests Breakdown

Number of requests can be reduced by 8 (35%)

Requests Now

23

After Optimization

15

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 23 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Pub Med. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

pubmed.com

pubmed.com

68 ms

1333 ms

jig.min.js

jig.min.js

99 ms

3579733.css

3579733.css

1108 ms

3923904.css

3923904.css

3131 ms

InstrumentPageStarterJS.js

InstrumentPageStarterJS.js

235 ms

hfjs2.js

hfjs2.js

79 ms

portal.js

portal.js

21 ms

4001808.js

4001808.js

400 ms

jig.min.css

jig.min.css

24 ms

28977

28977

72 ms

arrow-sprite.png

arrow-sprite.png

67 ms

2375536

2375536

531 ms

2318832

2318832

68 ms

33589

33589

71 ms

32161

32161

68 ms

3995966

3995966

71 ms

29146

29146

1256 ms

3418709

3418709

530 ms

footer_imgs.png

footer_imgs.png

71 ms

alerts.js

alerts.js

463 ms

stat

stat

20 ms

clear.png

clear.png

15 ms

3529739.css

3529739.css

14 ms

3529739.css

3529739.css

10 ms

SEO Factors

pubmed.com SEO score

0

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 Pubmed.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 Pubmed.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

pubmed.com

Open Graph description is not detected on the main page of Pub Med. 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: