Tools & Wizards About Us

Report Summary

  • 17

    Performance

    Renders faster than
    32% of other websites

  • 98

    Accessibility

    Visual factors better than
    that of 94% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

nlb.gov.sg

NLB

Page Load Speed

9 sec in total

First Response

1 sec

Resources Loaded

7.5 sec

Page Rendered

520 ms

About Website

Welcome to nlb.gov.sg homepage info - get ready to check NLB best content for Singapore right away, or after learning these important things about nlb.gov.sg

The National Library Board (NLB) nurtures Readers for Life, Learning Communities and a Knowledgeable Nation by promoting reading , learning and history through our network of libraries across Singapor...

Visit nlb.gov.sg

Key Findings

We analyzed Nlb.gov.sg page load time and found that the first response time was 1 sec and then it took 8 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

nlb.gov.sg performance score

17

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value8.9 s

0/100

10%

LCP (Largest Contentful Paint)

Value17.9 s

0/100

25%

SI (Speed Index)

Value21.3 s

0/100

10%

TBT (Total Blocking Time)

Value1,140 ms

22/100

30%

CLS (Cumulative Layout Shift)

Value0.169

70/100

15%

TTI (Time to Interactive)

Value42.4 s

0/100

10%

Network Requests Diagram

nlb.gov.sg

1041 ms

home

1536 ms

font-awesome-pro-5.10.css

252 ms

fontawesome.min.css

511 ms

brands.min.css

737 ms

Our browser made a total of 64 requests to load all elements on the main page. We found that 89% of them (57 requests) were addressed to the original Nlb.gov.sg, 5% (3 requests) were made to Assets.wogaa.sg and 2% (1 request) were made to App.vouchconcierge.com. The less responsive or slowest element that took the longest time to load (2.3 sec) belongs to the original domain Nlb.gov.sg.

Page Optimization Overview & Recommendations

Page size can be reduced by 860.3 kB (31%)

Content Size

2.8 MB

After Optimization

1.9 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Nlb.gov.sg main page is 2.8 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. 60% of websites need less resources to load. Images take 2.2 MB which makes up the majority of the site volume.

HTML Optimization

-91%

Potential reduce by 170.2 kB

  • Original 187.9 kB
  • After minification 109.5 kB
  • After compression 17.7 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. This page needs HTML code to be minified as it can gain 78.4 kB, which is 42% 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 170.2 kB or 91% of the original size.

Image Optimization

-31%

Potential reduce by 667.2 kB

  • Original 2.2 MB
  • After minification 1.5 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. Obviously, NLB needs image optimization as it can save up to 667.2 kB or 31% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-4%

Potential reduce by 11.3 kB

  • Original 287.6 kB
  • After minification 287.6 kB
  • After compression 276.3 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. This website has mostly compressed JavaScripts.

CSS Optimization

-9%

Potential reduce by 11.6 kB

  • Original 124.8 kB
  • After minification 124.8 kB
  • After compression 113.2 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. Nlb.gov.sg has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 30 (59%)

Requests Now

51

After Optimization

21

  • Images
  • JavaScript
  • CSS

The browser has sent 51 CSS, Javascripts, AJAX and image requests in order to completely render the main page of NLB. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 18 to 1 for JavaScripts and from 14 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

nlb.gov.sg accessibility score

98

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.

Best Practices

nlb.gov.sg 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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

nlb.gov.sg SEO score

92

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

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 Nlb.gov.sg 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 Nlb.gov.sg 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

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