Tools & Wizards About Us
biolincc.nhlbi.nih.gov screenshot

Report Summary

  • 68

    Performance

    Renders faster than
    80% of other websites

  • 99

    Accessibility

    Visual factors better than
    that of 96% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 98

    SEO

    Google-friendlier than
    92% of websites

biolincc.nhlbi.nih.gov

BioLINCC - Biologic Specimen and Data Repository Information Coordinating Center

Page Load Speed

492 ms in total

First Response

70 ms

Resources Loaded

270 ms

Page Rendered

152 ms

biolincc.nhlbi.nih.gov screenshot

About Website

Visit biolincc.nhlbi.nih.gov now to see the best up-to-date BioLINCC Nhlbi Nih content for China and also check out these interesting facts you probably never knew about biolincc.nhlbi.nih.gov

BioLincc is a clinical specimen database where you can search for open specimen collections, request processes, and study datasets and biospecimens.

Visit biolincc.nhlbi.nih.gov

Key Findings

We analyzed Biolincc.nhlbi.nih.gov page load time and found that the first response time was 70 ms and then it took 422 ms to load all DOM resources and completely render a web page. This is an excellent result, as only 5% of websites can load faster.

Performance Metrics

biolincc.nhlbi.nih.gov performance score

68

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.3 s

39/100

10%

LCP (Largest Contentful Paint)

Value6.3 s

10/100

25%

SI (Speed Index)

Value3.3 s

90/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.094

91/100

15%

TTI (Time to Interactive)

Value3.3 s

93/100

10%

Network Requests Diagram

70 ms

bootstrap.29850663e8b6.css

28 ms

all.min.8e61e1872cfa.css

17 ms

base.44c137ebf952.css

22 ms

base.e7eb2c948628.js

54 ms

Our browser made a total of 17 requests to load all elements on the main page. We found that all of those requests were addressed to Biolincc.nhlbi.nih.gov and no external sources were called. The less responsive or slowest element that took the longest time to load (70 ms) belongs to the original domain Biolincc.nhlbi.nih.gov.

Page Optimization Overview & Recommendations

Page size can be reduced by 805.1 kB (76%)

Content Size

1.1 MB

After Optimization

258.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Biolincc.nhlbi.nih.gov main page is 1.1 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. Only 10% of websites need less resources to load. Javascripts take 548.3 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 30.6 kB

  • Original 38.1 kB
  • After minification 25.3 kB
  • After compression 7.4 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. This page needs HTML code to be minified as it can gain 12.7 kB, which is 33% 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 30.6 kB or 81% of the original size.

Image Optimization

-1%

Potential reduce by 306 B

  • Original 49.0 kB
  • After minification 48.7 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. BioLINCC Nhlbi Nih images are well optimized though.

JavaScript Optimization

-75%

Potential reduce by 409.8 kB

  • Original 548.3 kB
  • After minification 547.8 kB
  • After compression 138.5 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 409.8 kB or 75% of the original size.

CSS Optimization

-85%

Potential reduce by 364.4 kB

  • Original 427.8 kB
  • After minification 409.6 kB
  • After compression 63.4 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. Biolincc.nhlbi.nih.gov needs all CSS files to be minified and compressed as it can save up to 364.4 kB or 85% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

16

After Optimization

16

  • Images
  • JavaScript
  • CSS

The browser has sent 16 CSS, Javascripts, AJAX and image requests in order to completely render the main page of BioLINCC Nhlbi Nih. According to our analytics all requests are already optimized.

Network Requests Diagram

70 ms

bootstrap.29850663e8b6.css

bootstrap.29850663e8b6.css

28 ms

all.min.8e61e1872cfa.css

all.min.8e61e1872cfa.css

17 ms

base.44c137ebf952.css

base.44c137ebf952.css

22 ms

base.e7eb2c948628.js

base.e7eb2c948628.js

54 ms

carousels.8f0fb01a93f1.js

carousels.8f0fb01a93f1.js

9 ms

usa-banner-flag-icon.png

usa-banner-flag-icon.png

18 ms

nhlbi.8d204961f916.svg

nhlbi.8d204961f916.svg

19 ms

caret-right-fill.c34fa9f2b4ab.svg

caret-right-fill.c34fa9f2b4ab.svg

55 ms

biolincc_banner.5c7d7599aa6f.jpg

biolincc_banner.5c7d7599aa6f.jpg

20 ms

pdf.svg

pdf.svg

18 ms

icn-question.41ae866f939d.png

icn-question.41ae866f939d.png

20 ms

NHLBI_HHS_Lockup_white.b85dd54f600e.svg

NHLBI_HHS_Lockup_white.b85dd54f600e.svg

28 ms

ico-facebook-white.3f85b859efbf.svg

ico-facebook-white.3f85b859efbf.svg

31 ms

ico-twitter-white.3739e423844b.svg

ico-twitter-white.3739e423844b.svg

36 ms

ico-youtube-white.55a9d1d3e78f.svg

ico-youtube-white.55a9d1d3e78f.svg

68 ms

linkedin-brands.08074c35aeb6.svg

linkedin-brands.08074c35aeb6.svg

64 ms

Accessibility Review

biolincc.nhlbi.nih.gov accessibility score

99

Accessibility Issues

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

biolincc.nhlbi.nih.gov best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

biolincc.nhlbi.nih.gov SEO score

98

Search Engine Optimization Advices

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

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Biolincc.nhlbi.nih.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 Biolincc.nhlbi.nih.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.

Social Sharing Optimization

biolincc.nhlbi.nih.gov

Open Graph description is not detected on the main page of BioLINCC Nhlbi Nih. 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: