Tools & Wizards About Us

Report Summary

  • 25

    Performance

    Renders faster than
    44% of other websites

  • 68

    Accessibility

    Visual factors better than
    that of 33% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 84

    SEO

    Google-friendlier than
    52% of websites

stampsac.com

Stampsac Shop - รับซื้อ-ขาย แสตมป์ไทย แสตมป์ที่ระลึก แสตมป์สะสม ขายเหรียญกษาปณ์ ธนบัตร และสิ่งสะสมอื่นๆ : Inspired by LnwShop.com

Page Load Speed

18.4 sec in total

First Response

2.8 sec

Resources Loaded

14.2 sec

Page Rendered

1.5 sec

About Website

Welcome to stampsac.com homepage info - get ready to check Stampsac best content for Thailand right away, or after learning these important things about stampsac.com

Stampsac Shop - รับซื้อ-ขาย แสตมป์ไทย แสตมป์ที่ระลึก แสตมป์สะสม ขายเหรียญกษาปณ์ ธนบัตร และสิ่งสะสมอื่นๆ

Visit stampsac.com

Key Findings

We analyzed Stampsac.com page load time and found that the first response time was 2.8 sec and then it took 15.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

stampsac.com performance score

25

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.7 s

5/100

10%

LCP (Largest Contentful Paint)

Value16.6 s

0/100

25%

SI (Speed Index)

Value17.6 s

0/100

10%

TBT (Total Blocking Time)

Value490 ms

59/100

30%

CLS (Cumulative Layout Shift)

Value0.259

48/100

15%

TTI (Time to Interactive)

Value26.1 s

0/100

10%

Network Requests Diagram

www.stampsac.com

2753 ms

basic.min.css

829 ms

style.css

810 ms

cookie_policy.js

1652 ms

js

52 ms

Our browser made a total of 133 requests to load all elements on the main page. We found that 37% of them (49 requests) were addressed to the original Stampsac.com, 28% (37 requests) were made to Static.xx.fbcdn.net and 13% (17 requests) were made to Dl.lnwfile.com. The less responsive or slowest element that took the longest time to load (8.1 sec) relates to the external source Dl.lnwfile.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 434.5 kB (8%)

Content Size

5.8 MB

After Optimization

5.3 MB

  • HTML
  • Images
  • CSS

In fact, the total size of Stampsac.com main page is 5.8 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. 65% of websites need less resources to load. Images take 5.4 MB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 165.3 kB

  • Original 191.6 kB
  • After minification 189.4 kB
  • After compression 26.3 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 165.3 kB or 86% of the original size.

Image Optimization

-3%

Potential reduce by 166.9 kB

  • Original 5.4 MB
  • After minification 5.2 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. Stampsac images are well optimized though.

CSS Optimization

-55%

Potential reduce by 102.3 kB

  • Original 186.1 kB
  • After minification 185.6 kB
  • After compression 83.8 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. Stampsac.com needs all CSS files to be minified and compressed as it can save up to 102.3 kB or 55% of the original size.

Requests Breakdown

Number of requests can be reduced by 72 (59%)

Requests Now

122

After Optimization

50

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 122 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Stampsac. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 37 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

stampsac.com accessibility score

68

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

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

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best Practices

stampsac.com 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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

stampsac.com SEO score

84

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

Content Best Practices

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

Impact

Issue

High

Image elements do not have [alt] attributes

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

    TH

  • Language Claimed

    TH

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Stampsac.com can be misinterpreted by Google and other search engines. Our service has detected that Thai is used on the page, and it matches the claimed language. Our system also found out that Stampsac.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 data is detected on the main page of Stampsac. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: