Tools & Wizards About Us

Report Summary

  • 57

    Performance

    Renders faster than
    73% of other websites

  • 87

    Accessibility

    Visual factors better than
    that of 66% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

amstelbooks.com

Amstelbooks - rare and out of print photography books

Page Load Speed

7.8 sec in total

First Response

26 ms

Resources Loaded

7.5 sec

Page Rendered

295 ms

About Website

Welcome to amstelbooks.com homepage info - get ready to check Amstelbooks best content right away, or after learning these important things about amstelbooks.com

Explore the world of photography through Amstelbooks' vast collection of artistic, black and white, street, and landscape photography books. Find your

Visit amstelbooks.com

Key Findings

We analyzed Amstelbooks.com page load time and found that the first response time was 26 ms and then it took 7.8 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

amstelbooks.com performance score

57

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.1 s

21/100

10%

LCP (Largest Contentful Paint)

Value5.8 s

16/100

25%

SI (Speed Index)

Value8.1 s

21/100

10%

TBT (Total Blocking Time)

Value120 ms

97/100

30%

CLS (Cumulative Layout Shift)

Value0.002

100/100

15%

TTI (Time to Interactive)

Value7.9 s

43/100

10%

Network Requests Diagram

amstelbooks.com

26 ms

www.amstelbooks.com

3159 ms

1f2479ac4879f16e848c828bf5e3a4f8.min.css

164 ms

styles-l.min.css

140 ms

all.min.css

29 ms

Our browser made a total of 156 requests to load all elements on the main page. We found that 96% of them (150 requests) were addressed to the original Amstelbooks.com, 3% (4 requests) were made to Cdnjs.cloudflare.com and 1% (1 request) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (3.2 sec) belongs to the original domain Amstelbooks.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 259.6 kB (22%)

Content Size

1.2 MB

After Optimization

946.8 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Amstelbooks.com main page is 1.2 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. 50% of websites need less resources to load. Images take 684.4 kB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 167.2 kB

  • Original 192.0 kB
  • After minification 190.4 kB
  • After compression 24.9 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 167.2 kB or 87% of the original size.

Image Optimization

-1%

Potential reduce by 4.8 kB

  • Original 684.4 kB
  • After minification 679.6 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. Amstelbooks images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 2.8 kB

  • Original 216.7 kB
  • After minification 216.6 kB
  • After compression 213.9 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

-75%

Potential reduce by 84.8 kB

  • Original 113.2 kB
  • After minification 28.5 kB
  • After compression 28.4 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. Amstelbooks.com needs all CSS files to be minified and compressed as it can save up to 84.8 kB or 75% of the original size.

Requests Breakdown

Number of requests can be reduced by 115 (77%)

Requests Now

150

After Optimization

35

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 150 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Amstelbooks. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 111 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

amstelbooks.com accessibility score

87

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.

Names and labels

These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

Links do not have a discernible name

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

amstelbooks.com best practices score

75

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

Browser errors were logged to the console

SEO Factors

amstelbooks.com SEO score

86

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Links do not have descriptive text

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 Amstelbooks.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 Amstelbooks.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

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