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stampworld.com screenshot

Report Summary

  • 27

    Performance

    Renders faster than
    47% of other websites

  • 76

    Accessibility

    Visual factors better than
    that of 43% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 72

    SEO

    Google-friendlier than
    31% of websites

stampworld.com

StampWorld.com - the most complete stamp catalogue on the internet | StampWorld

Page Load Speed

2.1 sec in total

First Response

152 ms

Resources Loaded

1.9 sec

Page Rendered

121 ms

stampworld.com screenshot

About Website

Click here to check amazing Stamp World content for United States. Otherwise, check out these important facts you probably never knew about stampworld.com

Stampworld.com is the largest, most complete and updated online stamp catalogue in the world with features to buy and sell stamps and collections.

Visit stampworld.com

Key Findings

We analyzed Stampworld.com page load time and found that the first response time was 152 ms and then it took 2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

stampworld.com performance score

27

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.4 s

17/100

10%

LCP (Largest Contentful Paint)

Value4.4 s

40/100

25%

SI (Speed Index)

Value16.6 s

0/100

10%

TBT (Total Blocking Time)

Value2,820 ms

3/100

30%

CLS (Cumulative Layout Shift)

Value0.047

99/100

15%

TTI (Time to Interactive)

Value34.5 s

0/100

10%

Network Requests Diagram

152 ms

999stylesheet.css

266 ms

999stylesheet_klaus.css

273 ms

jquery-1.8.3.min.js

193 ms

jquery.jqmodal.js

190 ms

Our browser made a total of 81 requests to load all elements on the main page. We found that 10% of them (8 requests) were addressed to the original Stampworld.com, 28% (23 requests) were made to Media.stampworld.com and 12% (10 requests) were made to Static.xx.fbcdn.net. The less responsive or slowest element that took the longest time to load (451 ms) relates to the external source Media.stampworld.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 208.2 kB (50%)

Content Size

417.6 kB

After Optimization

209.4 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Stampworld.com main page is 417.6 kB. 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. Javascripts take 242.5 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 28.3 kB

  • Original 35.3 kB
  • After minification 31.1 kB
  • After compression 7.0 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 4.1 kB, which is 12% 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 28.3 kB or 80% of the original size.

Image Optimization

-3%

Potential reduce by 2.1 kB

  • Original 82.3 kB
  • After minification 80.3 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. Stamp World images are well optimized though.

JavaScript Optimization

-53%

Potential reduce by 127.9 kB

  • Original 242.5 kB
  • After minification 230.5 kB
  • After compression 114.6 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 127.9 kB or 53% of the original size.

CSS Optimization

-87%

Potential reduce by 49.9 kB

  • Original 57.5 kB
  • After minification 42.9 kB
  • After compression 7.6 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. Stampworld.com needs all CSS files to be minified and compressed as it can save up to 49.9 kB or 87% of the original size.

Requests Breakdown

Number of requests can be reduced by 48 (62%)

Requests Now

77

After Optimization

29

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 77 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Stamp World. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 27 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

152 ms

999stylesheet.css

999stylesheet.css

266 ms

999stylesheet_klaus.css

999stylesheet_klaus.css

273 ms

jquery-1.8.3.min.js

jquery-1.8.3.min.js

193 ms

jquery.jqmodal.js

jquery.jqmodal.js

190 ms

jquery.cookie.js

jquery.cookie.js

190 ms

jquery.checktree.yctin.0.1.min.js

jquery.checktree.yctin.0.1.min.js

193 ms

jquery.updateWithJSON.min.js

jquery.updateWithJSON.min.js

191 ms

common.js

common.js

196 ms

show_ads.js

show_ads.js

5 ms

conversion.js

conversion.js

16 ms

stamp-bgrnd.gif

stamp-bgrnd.gif

144 ms

sprtr.gif

sprtr.gif

145 ms

gb.png

gb.png

199 ms

arrow_down_orange.png

arrow_down_orange.png

198 ms

inbox-msg-gray.gif

inbox-msg-gray.gif

198 ms

friendship-grey.gif

friendship-grey.gif

201 ms

cart-grey.gif

cart-grey.gif

201 ms

stampworld-logo.png

stampworld-logo.png

298 ms

blue-empty-btn_right.gif

blue-empty-btn_right.gif

287 ms

blue-empty-btn_left.gif

blue-empty-btn_left.gif

288 ms

go-to-catalogue_btn.gif

go-to-catalogue_btn.gif

128 ms

main-menu-btn.png

main-menu-btn.png

268 ms

main-banner-814x127.jpg

main-banner-814x127.jpg

382 ms

main-cntn-bg.gif

main-cntn-bg.gif

281 ms

orange-arrow-sml.gif

orange-arrow-sml.gif

369 ms

frontpage_video_btn_empty_right.gif

frontpage_video_btn_empty_right.gif

368 ms

frontpage_video_btn_empty_left.gif

frontpage_video_btn_empty_left.gif

377 ms

frontpage_catalogue_btn_empty_right.gif

frontpage_catalogue_btn_empty_right.gif

381 ms

frontpage_catalogue_btn_empty_left.gif

frontpage_catalogue_btn_empty_left.gif

386 ms

frontpage_register_btn_empty_right.gif

frontpage_register_btn_empty_right.gif

451 ms

frontpage_register_btn_empty_left.gif

frontpage_register_btn_empty_left.gif

450 ms

zrt_lookup.html

zrt_lookup.html

44 ms

show_ads_impl.js

show_ads_impl.js

45 ms

likebox.php

likebox.php

108 ms

ads

ads

163 ms

stamp-bgrnd2.gif

stamp-bgrnd2.gif

368 ms

ga.js

ga.js

15 ms

osd.js

osd.js

78 ms

NR0nFiTsKtx.css

NR0nFiTsKtx.css

248 ms

7I4WHfGTXwv.css

7I4WHfGTXwv.css

261 ms

_rx8naC75Dy.js

_rx8naC75Dy.js

359 ms

x5F9OMjKyLw.js

x5F9OMjKyLw.js

427 ms

ICDbTSzjQEg.js

ICDbTSzjQEg.js

378 ms

TTCre3391I0.js

TTCre3391I0.js

356 ms

45 ms

fbevents.js

fbevents.js

98 ms

woopra.js

woopra.js

83 ms

atrk.js

atrk.js

72 ms

measure.min.js

measure.min.js

45 ms

ads.min.js

ads.min.js

46 ms

collect

collect

73 ms

85 ms

71 ms

54 ms

textlink-ads.jpg

textlink-ads.jpg

14 ms

textlink-ads.jpg

textlink-ads.jpg

12 ms

atrk.gif

atrk.gif

42 ms

a.js

a.js

27 ms

130 ms

test.png

test.png

197 ms

12 ms

css

css

61 ms

m_js_controller.js

m_js_controller.js

27 ms

abg.js

abg.js

31 ms

favicon

favicon

51 ms

nessie_icon_tiamat_white.png

nessie_icon_tiamat_white.png

30 ms

s

s

17 ms

googlelogo_color_112x36dp.png

googlelogo_color_112x36dp.png

33 ms

x_button_blue2.png

x_button_blue2.png

20 ms

E4WYPs_lNJIuXrWpTsOcc3FIG36RfI0ERc0srw5QW9Y.js

E4WYPs_lNJIuXrWpTsOcc3FIG36RfI0ERc0srw5QW9Y.js

3 ms

45425_434841733267218_731601435_n.jpg

45425_434841733267218_731601435_n.jpg

162 ms

166701_434844359933622_642940236_n.jpg

166701_434844359933622_642940236_n.jpg

197 ms

12345455_921775154575439_185492237573823124_n.jpg

12345455_921775154575439_185492237573823124_n.jpg

233 ms

268578_244707305554734_5311099_n.jpg

268578_244707305554734_5311099_n.jpg

273 ms

12313836_963912907009435_8810392553734062465_n.jpg

12313836_963912907009435_8810392553734062465_n.jpg

272 ms

wL6VQj7Ab77.png

wL6VQj7Ab77.png

55 ms

s7jcwEQH7Sx.png

s7jcwEQH7Sx.png

42 ms

I6-MnjEovm5.js

I6-MnjEovm5.js

43 ms

vlXaquuXMrr.js

vlXaquuXMrr.js

76 ms

ui

ui

13 ms

Accessibility Review

stampworld.com accessibility score

76

Accessibility Issues

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

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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

[id] attributes on active, focusable elements are not unique

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

Best Practices

stampworld.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

High

Page has valid source maps

SEO Factors

stampworld.com SEO score

72

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

High

Document doesn't have a valid hreflang

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 Stampworld.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 Stampworld.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

stampworld.com

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