Report Summary

  • 15

    Performance

    Renders faster than
    34% of other websites

  • 100

    Accessibility

    Visual factors better than
    that of 98% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    34% of websites

  • 92

    SEO

    Google-friendlier than
    79% of websites

nlb.gov.sg

National Library Board > Home

Page Load Speed

41.2 sec in total

First Response

2.4 sec

Resources Loaded

28 sec

Page Rendered

10.8 sec

nlb.gov.sg screenshot

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

NLB manages the National Library, 26 Public Libraries and the National Archives. NLB promotes reading, learning and information literacy by providing a trusted, accessible and globally-connected libr...

Visit nlb.gov.sg

Key Findings

We analyzed Nlb.gov.sg page load time and found that the first response time was 2.4 sec and then it took 38.8 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster.

Performance Metrics

nlb.gov.sg performance score

15

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value9.4 s

0/100

10%

LCP (Largest Contentful Paint)

Value16.3 s

0/100

25%

SI (Speed Index)

Value18.7 s

0/100

10%

TBT (Total Blocking Time)

Value1,310 ms

18/100

30%

CLS (Cumulative Layout Shift)

Value0.195

63/100

15%

TTI (Time to Interactive)

Value24.5 s

0/100

10%

Network Requests Diagram

nlb.gov.sg

2387 ms

default.css

585 ms

module.css

670 ms

module.css

677 ms

skin.css

898 ms

Our browser made a total of 95 requests to load all elements on the main page. We found that 86% of them (82 requests) were addressed to the original Nlb.gov.sg, 7% (7 requests) were made to Eservice.nlb.gov.sg and 2% (2 requests) were made to S7.addthis.com. The less responsive or slowest element that took the longest time to load (7.1 sec) belongs to the original domain Nlb.gov.sg.

Page Optimization Overview & Recommendations

Page size can be reduced by 3.7 MB (38%)

Content Size

9.6 MB

After Optimization

5.9 MB

In fact, the total size of Nlb.gov.sg main page is 9.6 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. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 6.3 MB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 72.7 kB

  • Original 94.6 kB
  • After minification 88.2 kB
  • After compression 21.9 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 72.7 kB or 77% of the original size.

Image Optimization

-16%

Potential reduce by 1.0 MB

  • Original 6.3 MB
  • After minification 5.3 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 1.0 MB or 16% 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 1.6 MB

  • Original 2.0 MB
  • After minification 1.6 MB
  • After compression 483.3 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 1.6 MB or 76% of the original size.

CSS Optimization

-87%

Potential reduce by 1.0 MB

  • Original 1.2 MB
  • After minification 947.3 kB
  • After compression 155.5 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 needs all CSS files to be minified and compressed as it can save up to 1.0 MB or 87% of the original size.

Requests Breakdown

Number of requests can be reduced by 55 (62%)

Requests Now

89

After Optimization

34

The browser has sent 89 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 33 to 1 for JavaScripts and from 13 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

nlb.gov.sg accessibility score

100

Accessibility Issues

Best Practices

nlb.gov.sg best practices score

67

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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

nlb.gov.sg SEO score

92

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

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: