Tools & Wizards About Us
irenasendler.com screenshot

Report Summary

  • 71

    Performance

    Renders faster than
    81% of other websites

  • 79

    Accessibility

    Visual factors better than
    that of 47% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

irenasendler.com

Life in a Jar - The Courageous Story of Irena Sendler

Page Load Speed

2.4 sec in total

First Response

21 ms

Resources Loaded

2.2 sec

Page Rendered

192 ms

irenasendler.com screenshot

About Website

Visit irenasendler.com now to see the best up-to-date Irena Sendler content and also check out these interesting facts you probably never knew about irenasendler.com

Protestant kids from rural Kansas, discovered a Polish Catholic woman who saved Jewish children. Irena Sendler and these students chose to repair the world. This web site shares the legacy and life of...

Visit irenasendler.com

Key Findings

We analyzed Irenasendler.com page load time and found that the first response time was 21 ms and then it took 2.4 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

irenasendler.com performance score

71

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.0 s

48/100

10%

LCP (Largest Contentful Paint)

Value4.7 s

33/100

25%

SI (Speed Index)

Value4.4 s

74/100

10%

TBT (Total Blocking Time)

Value150 ms

94/100

30%

CLS (Cumulative Layout Shift)

Value0.068

96/100

15%

TTI (Time to Interactive)

Value5.0 s

76/100

10%

Network Requests Diagram

irenasendler.com

21 ms

irenasendler.org

117 ms

irenasendler.org

1013 ms

js

65 ms

swipebox.min.css

158 ms

Our browser made a total of 47 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Irenasendler.com, 81% (38 requests) were made to Irenasendler.org and 11% (5 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (1 sec) relates to the external source Irenasendler.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 540.0 kB (8%)

Content Size

7.2 MB

After Optimization

6.6 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Irenasendler.com main page is 7.2 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 6.6 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 217.8 kB

  • Original 259.8 kB
  • After minification 257.6 kB
  • After compression 42.1 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 217.8 kB or 84% of the original size.

Image Optimization

-4%

Potential reduce by 232.5 kB

  • Original 6.6 MB
  • After minification 6.4 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. Irena Sendler images are well optimized though.

JavaScript Optimization

-36%

Potential reduce by 89.7 kB

  • Original 249.7 kB
  • After minification 249.3 kB
  • After compression 160.1 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 89.7 kB or 36% of the original size.

CSS Optimization

-0%

Potential reduce by 55 B

  • Original 16.1 kB
  • After minification 16.1 kB
  • After compression 16.0 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. Irenasendler.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 18 (47%)

Requests Now

38

After Optimization

20

  • Images
  • JavaScript
  • CSS

The browser has sent 38 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Irena Sendler. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

irenasendler.com

irenasendler.com

21 ms

irenasendler.org

irenasendler.org

117 ms

irenasendler.org

irenasendler.org

1013 ms

js

js

65 ms

swipebox.min.css

swipebox.min.css

158 ms

css

css

36 ms

frontend-gtag.min.js

frontend-gtag.min.js

117 ms

jquery.min.js

jquery.min.js

166 ms

jquery-migrate.min.js

jquery-migrate.min.js

165 ms

jquery.swipebox.min.js

jquery.swipebox.min.js

162 ms

underscore-before.js

underscore-before.js

162 ms

underscore.min.js

underscore.min.js

176 ms

underscore-after.js

underscore-after.js

178 ms

infinite-scroll.pkgd.min.js

infinite-scroll.pkgd.min.js

220 ms

front.js

front.js

221 ms

scripts.min.js

scripts.min.js

296 ms

smoothscroll.js

smoothscroll.js

270 ms

jquery.fitvids.js

jquery.fitvids.js

270 ms

jquery.mobile.js

jquery.mobile.js

270 ms

common.js

common.js

270 ms

scc-c2.min.js

scc-c2.min.js

4 ms

liaj1-300x54.jpg

liaj1-300x54.jpg

73 ms

cropped-irenayoung.jpg

cropped-irenayoung.jpg

202 ms

Untitled-design-29-e1698180910211.jpg

Untitled-design-29-e1698180910211.jpg

202 ms

dk-purple.jpg

dk-purple.jpg

216 ms

image-4-300x199.png

image-4-300x199.png

248 ms

darkstripes.jpg

darkstripes.jpg

398 ms

HallmarkPhoto-246x300.jpeg

HallmarkPhoto-246x300.jpeg

202 ms

Calendar-b-Header2.jpg

Calendar-b-Header2.jpg

301 ms

perf-300x199.jpg

perf-300x199.jpg

250 ms

image-2-200x300.png

image-2-200x300.png

350 ms

Irena-Sendler_6110713857_o-300x257.jpg

Irena-Sendler_6110713857_o-300x257.jpg

274 ms

KEN_2299.1.jpg

KEN_2299.1.jpg

411 ms

grey-back.jpg

grey-back.jpg

305 ms

Irena-Sendler-in-a-nurses-outfit-during-WWII_6110710895_o1-226x300.jpg

Irena-Sendler-in-a-nurses-outfit-during-WWII_6110710895_o1-226x300.jpg

332 ms

Irenas-Parents_6110712883_o-171x300.jpg

Irenas-Parents_6110712883_o-171x300.jpg

358 ms

grey-back.jpg

grey-back.jpg

363 ms

Irena-and-Mae-lst-visit_2.jpg

Irena-and-Mae-lst-visit_2.jpg

652 ms

DSC_9282.jpg

DSC_9282.jpg

672 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1x4uaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1x4uaVc.ttf

18 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgshZ1x4uaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgshZ1x4uaVc.ttf

64 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsgH1x4uaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsgH1x4uaVc.ttf

127 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4uaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4uaVc.ttf

128 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0B4uaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0B4uaVc.ttf

128 ms

modules.woff

modules.woff

343 ms

style.min.css

style.min.css

66 ms

style.min.css

style.min.css

62 ms

Accessibility Review

irenasendler.com accessibility score

79

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

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

irenasendler.com best practices score

92

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

SEO Factors

irenasendler.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

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 doesn't use 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 Irenasendler.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 Irenasendler.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

irenasendler.com

Open Graph data is detected on the main page of Irena Sendler. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: