Tools & Wizards About Us
nelson.bibliocommons.com screenshot

Report Summary

  • 12

    Performance

    Renders faster than
    25% of other websites

  • 96

    Accessibility

    Visual factors better than
    that of 88% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

nelson.bibliocommons.com

Recent Activity | Nelson Public Library | BiblioCommons

Page Load Speed

3.7 sec in total

First Response

34 ms

Resources Loaded

3.4 sec

Page Rendered

298 ms

nelson.bibliocommons.com screenshot

About Website

Welcome to nelson.bibliocommons.com homepage info - get ready to check Nelson Biblio Commons best content for United States right away, or after learning these important things about nelson.bibliocommons.com

Explore Nelson Public Library. New titles, recently rated, and recently tagged by the library community.

Visit nelson.bibliocommons.com

Key Findings

We analyzed Nelson.bibliocommons.com page load time and found that the first response time was 34 ms and then it took 3.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

nelson.bibliocommons.com performance score

12

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.0 s

51/100

10%

LCP (Largest Contentful Paint)

Value15.4 s

0/100

25%

SI (Speed Index)

Value10.4 s

8/100

10%

TBT (Total Blocking Time)

Value2,340 ms

5/100

30%

CLS (Cumulative Layout Shift)

Value0.395

26/100

15%

TTI (Time to Interactive)

Value15.1 s

7/100

10%

Network Requests Diagram

nelson.bibliocommons.com

34 ms

nelson.bibliocommons.com

776 ms

gtm.js

76 ms

bc_base-7458b34fb4de9be11818e405e123b860.css

45 ms

core-0ebb1c96c1022e0da243d70f0cde2466.css

60 ms

Our browser made a total of 160 requests to load all elements on the main page. We found that 3% of them (4 requests) were addressed to the original Nelson.bibliocommons.com, 57% (91 requests) were made to Contentcafe2.btol.com and 24% (39 requests) were made to Cor-cdn-static.bibliocommons.com. The less responsive or slowest element that took the longest time to load (776 ms) belongs to the original domain Nelson.bibliocommons.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 569.0 kB (13%)

Content Size

4.4 MB

After Optimization

3.8 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Nelson.bibliocommons.com main page is 4.4 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 a small number of websites need less resources to load. Images take 2.5 MB which makes up the majority of the site volume.

HTML Optimization

-90%

Potential reduce by 425.5 kB

  • Original 470.2 kB
  • After minification 467.0 kB
  • After compression 44.7 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 425.5 kB or 90% of the original size.

Image Optimization

-6%

Potential reduce by 140.1 kB

  • Original 2.5 MB
  • After minification 2.4 MB

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. Nelson Biblio Commons images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 40 B

  • Original 1.3 MB
  • After minification 1.3 MB
  • After compression 1.3 MB

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.

CSS Optimization

-3%

Potential reduce by 3.5 kB

  • Original 113.2 kB
  • After minification 113.2 kB
  • After compression 109.7 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. Nelson.bibliocommons.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 28 (22%)

Requests Now

126

After Optimization

98

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 126 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Nelson Biblio Commons. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and from 17 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

nelson.bibliocommons.com

nelson.bibliocommons.com

34 ms

nelson.bibliocommons.com

nelson.bibliocommons.com

776 ms

gtm.js

gtm.js

76 ms

bc_base-7458b34fb4de9be11818e405e123b860.css

bc_base-7458b34fb4de9be11818e405e123b860.css

45 ms

core-0ebb1c96c1022e0da243d70f0cde2466.css

core-0ebb1c96c1022e0da243d70f0cde2466.css

60 ms

dashboard-aa0ea2fdf1b09998517dc104ca00771e.css

dashboard-aa0ea2fdf1b09998517dc104ca00771e.css

56 ms

library_branding.css

library_branding.css

155 ms

stylesheet.css

stylesheet.css

153 ms

vendor-c51265b3f46952539b0d2eb34dbdeee1.js

vendor-c51265b3f46952539b0d2eb34dbdeee1.js

68 ms

sdk.js

sdk.js

133 ms

core-9dcdf893958c70a566159f0e9c75e4b3.js

core-9dcdf893958c70a566159f0e9c75e4b3.js

67 ms

dashboard-a605c3c1378d3878459ead05a2cd8d03.js

dashboard-a605c3c1378d3878459ead05a2cd8d03.js

56 ms

css

css

49 ms

logo.png

logo.png

188 ms

app.sdk-a17abfa20aca841c4e97.css

app.sdk-a17abfa20aca841c4e97.css

64 ms

app.sdk-a17abfa20aca841c4e97.js

app.sdk-a17abfa20aca841c4e97.js

78 ms

preloader.grey-0972ac11db78fb0f16f5338beb76d559.gif

preloader.grey-0972ac11db78fb0f16f5338beb76d559.gif

44 ms

base_master-9668a2e92af385e1e8e47db36e3c7845.png

base_master-9668a2e92af385e1e8e47db36e3c7845.png

38 ms

ajax-loader-2ad22ee6988a62b7f1661cb696219501.gif

ajax-loader-2ad22ee6988a62b7f1661cb696219501.gif

37 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4gaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4gaVc.ttf

51 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsgH1x4gaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsgH1x4gaVc.ttf

57 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1x4gaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1x4gaVc.ttf

62 ms

fontello-7aaf5df643343c6846d1d2be8803acd8.woff

fontello-7aaf5df643343c6846d1d2be8803acd8.woff

38 ms

print-887e1ad12746a48f7a18776d8f41080c.css

print-887e1ad12746a48f7a18776d8f41080c.css

7 ms

css

css

595 ms

app.0-05d7c3b89d9c0b5c68c8.css

app.0-05d7c3b89d9c0b5c68c8.css

98 ms

app.0-05d7c3b89d9c0b5c68c8.js

app.0-05d7c3b89d9c0b5c68c8.js

92 ms

app.1-3a3c463ac02b16ae2c2b.css

app.1-3a3c463ac02b16ae2c2b.css

94 ms

app.1-3a3c463ac02b16ae2c2b.js

app.1-3a3c463ac02b16ae2c2b.js

96 ms

app.2-db205fef06d9b25a31ff.css

app.2-db205fef06d9b25a31ff.css

98 ms

app.2-db205fef06d9b25a31ff.js

app.2-db205fef06d9b25a31ff.js

100 ms

app.app-sdk-components-ListCarousel-403f5f1811010c2808e9.css

app.app-sdk-components-ListCarousel-403f5f1811010c2808e9.css

98 ms

app.app-sdk-components-ListCarousel-403f5f1811010c2808e9.js

app.app-sdk-components-ListCarousel-403f5f1811010c2808e9.js

100 ms

app.app-sdk-components-CatalogueCarousel-b0d10592fd31677f4c7f.css

app.app-sdk-components-CatalogueCarousel-b0d10592fd31677f4c7f.css

80 ms

app.app-sdk-components-CatalogueCarousel-b0d10592fd31677f4c7f.js

app.app-sdk-components-CatalogueCarousel-b0d10592fd31677f4c7f.js

81 ms

app.app-sdk-components-RecentlyRatedCarousel-169aeae263b9474f7475.css

app.app-sdk-components-RecentlyRatedCarousel-169aeae263b9474f7475.css

60 ms

app.app-sdk-components-RecentlyRatedCarousel-169aeae263b9474f7475.js

app.app-sdk-components-RecentlyRatedCarousel-169aeae263b9474f7475.js

61 ms

recent_lists_carousel

recent_lists_carousel

578 ms

app.app-components-layouts-FeedbackBox-FeedbackBoxContainer-63b1d87205320552ae5d.css

app.app-components-layouts-FeedbackBox-FeedbackBoxContainer-63b1d87205320552ae5d.css

22 ms

app.app-components-layouts-FeedbackBox-FeedbackBoxContainer-63b1d87205320552ae5d.js

app.app-components-layouts-FeedbackBox-FeedbackBoxContainer-63b1d87205320552ae5d.js

21 ms

nerf_sdk_library_branding.css

nerf_sdk_library_branding.css

470 ms

2621776449.png

2621776449.png

562 ms

Jacket.aspx

Jacket.aspx

646 ms

2618489719.png

2618489719.png

392 ms

2617304639.png

2617304639.png

280 ms

2614589409.png

2614589409.png

277 ms

2614270899.png

2614270899.png

279 ms

2611125559.png

2611125559.png

392 ms

2608796159.png

2608796159.png

279 ms

2607377659.png

2607377659.png

390 ms

2606235460.png

2606235460.png

392 ms

2604582409.png

2604582409.png

409 ms

2604518944.png

2604518944.png

392 ms

2596174949.png

2596174949.png

446 ms

2596126649.png

2596126649.png

439 ms

2595486429.png

2595486429.png

452 ms

2591546959.png

2591546959.png

448 ms

2589257893.png

2589257893.png

483 ms

2588716909.png

2588716909.png

438 ms

2587489369.png

2587489369.png

549 ms

2587196999.png

2587196999.png

464 ms

2583600439.png

2583600439.png

529 ms

2582012569.png

2582012569.png

476 ms

2579037549.png

2579037549.png

526 ms

2578491369.png

2578491369.png

610 ms

Jacket.aspx

Jacket.aspx

275 ms

Jacket.aspx

Jacket.aspx

387 ms

Jacket.aspx

Jacket.aspx

387 ms

Jacket.aspx

Jacket.aspx

388 ms

Jacket.aspx

Jacket.aspx

403 ms

Jacket.aspx

Jacket.aspx

406 ms

Jacket.aspx

Jacket.aspx

410 ms

Jacket.aspx

Jacket.aspx

406 ms

Jacket.aspx

Jacket.aspx

444 ms

Jacket.aspx

Jacket.aspx

412 ms

Jacket.aspx

Jacket.aspx

415 ms

Jacket.aspx

Jacket.aspx

421 ms

Jacket.aspx

Jacket.aspx

419 ms

Jacket.aspx

Jacket.aspx

419 ms

Jacket.aspx

Jacket.aspx

423 ms

Jacket.aspx

Jacket.aspx

428 ms

Jacket.aspx

Jacket.aspx

433 ms

Jacket.aspx

Jacket.aspx

433 ms

Jacket.aspx

Jacket.aspx

436 ms

Jacket.aspx

Jacket.aspx

435 ms

Jacket.aspx

Jacket.aspx

443 ms

Jacket.aspx

Jacket.aspx

450 ms

Jacket.aspx

Jacket.aspx

454 ms

Jacket.aspx

Jacket.aspx

444 ms

Jacket.aspx

Jacket.aspx

451 ms

Jacket.aspx

Jacket.aspx

451 ms

Jacket.aspx

Jacket.aspx

458 ms

Jacket.aspx

Jacket.aspx

451 ms

Jacket.aspx

Jacket.aspx

458 ms

Jacket.aspx

Jacket.aspx

459 ms

Jacket.aspx

Jacket.aspx

459 ms

Jacket.aspx

Jacket.aspx

456 ms

Jacket.aspx

Jacket.aspx

464 ms

Jacket.aspx

Jacket.aspx

464 ms

Jacket.aspx

Jacket.aspx

469 ms

2619964929.png

2619964929.png

441 ms

2607848409.png

2607848409.png

436 ms

2604483129.png

2604483129.png

444 ms

2604314829.png

2604314829.png

466 ms

2603746869.png

2603746869.png

505 ms

Jacket.aspx

Jacket.aspx

197 ms

Jacket.aspx

Jacket.aspx

199 ms

Jacket.aspx

Jacket.aspx

89 ms

Jacket.aspx

Jacket.aspx

90 ms

Jacket.aspx

Jacket.aspx

90 ms

Jacket.aspx

Jacket.aspx

81 ms

Jacket.aspx

Jacket.aspx

80 ms

Jacket.aspx

Jacket.aspx

91 ms

Jacket.aspx

Jacket.aspx

75 ms

Jacket.aspx

Jacket.aspx

72 ms

Jacket.aspx

Jacket.aspx

78 ms

Jacket.aspx

Jacket.aspx

71 ms

Jacket.aspx

Jacket.aspx

80 ms

Jacket.aspx

Jacket.aspx

74 ms

Jacket.aspx

Jacket.aspx

76 ms

Jacket.aspx

Jacket.aspx

77 ms

Jacket.aspx

Jacket.aspx

75 ms

Jacket.aspx

Jacket.aspx

77 ms

Jacket.aspx

Jacket.aspx

74 ms

Jacket.aspx

Jacket.aspx

75 ms

Jacket.aspx

Jacket.aspx

172 ms

Jacket.aspx

Jacket.aspx

68 ms

Jacket.aspx

Jacket.aspx

72 ms

Jacket.aspx

Jacket.aspx

69 ms

Jacket.aspx

Jacket.aspx

72 ms

Jacket.aspx

Jacket.aspx

68 ms

Jacket.aspx

Jacket.aspx

63 ms

Jacket.aspx

Jacket.aspx

72 ms

Jacket.aspx

Jacket.aspx

73 ms

Jacket.aspx

Jacket.aspx

73 ms

Jacket.aspx

Jacket.aspx

78 ms

Jacket.aspx

Jacket.aspx

75 ms

Jacket.aspx

Jacket.aspx

74 ms

Jacket.aspx

Jacket.aspx

86 ms

Jacket.aspx

Jacket.aspx

77 ms

Jacket.aspx

Jacket.aspx

74 ms

Jacket.aspx

Jacket.aspx

76 ms

Jacket.aspx

Jacket.aspx

75 ms

Jacket.aspx

Jacket.aspx

83 ms

Jacket.aspx

Jacket.aspx

77 ms

Jacket.aspx

Jacket.aspx

85 ms

Jacket.aspx

Jacket.aspx

83 ms

Jacket.aspx

Jacket.aspx

81 ms

Jacket.aspx

Jacket.aspx

76 ms

Jacket.aspx

Jacket.aspx

87 ms

Jacket.aspx

Jacket.aspx

79 ms

Jacket.aspx

Jacket.aspx

111 ms

Jacket.aspx

Jacket.aspx

111 ms

Jacket.aspx

Jacket.aspx

108 ms

Jacket.aspx

Jacket.aspx

104 ms

Jacket.aspx

Jacket.aspx

207 ms

Jacket.aspx

Jacket.aspx

102 ms

Jacket.aspx

Jacket.aspx

100 ms

Jacket.aspx

Jacket.aspx

96 ms

Jacket.aspx

Jacket.aspx

98 ms

Accessibility Review

nelson.bibliocommons.com accessibility score

96

Accessibility Issues

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

Best Practices

nelson.bibliocommons.com best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

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

nelson.bibliocommons.com SEO score

91

Search Engine Optimization Advices

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

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 Nelson.bibliocommons.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 Nelson.bibliocommons.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

nelson.bibliocommons.com

Open Graph description is not detected on the main page of Nelson Biblio Commons. 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: