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bleb.org screenshot

Report Summary

  • 100

    Performance

    Renders faster than
    97% of other websites

  • 75

    Accessibility

    Visual factors better than
    that of 41% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 67

    SEO

    Google-friendlier than
    26% of websites

bleb.org

Andrew Flegg

Page Load Speed

1.2 sec in total

First Response

255 ms

Resources Loaded

899 ms

Page Rendered

80 ms

bleb.org screenshot

About Website

Click here to check amazing Bleb content for United Kingdom. Otherwise, check out these important facts you probably never knew about bleb.org

Andrew Flegg's bleb.org site contains a wide range of stuff, including RISC OS, Perl, EPOC and Java programs; bookmarks; TV listings and more...

Visit bleb.org

Key Findings

We analyzed Bleb.org page load time and found that the first response time was 255 ms and then it took 979 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 20% of websites can load faster.

Performance Metrics

bleb.org performance score

100

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.3 s

98/100

10%

LCP (Largest Contentful Paint)

Value1.5 s

100/100

25%

SI (Speed Index)

Value1.8 s

100/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value1.3 s

100/100

10%

Network Requests Diagram

bleb.org

255 ms

style.css

157 ms

shadow.css

158 ms

rss-style.css

158 ms

prototype.js

160 ms

Our browser made a total of 11 requests to load all elements on the main page. We found that all of those requests were addressed to Bleb.org and no external sources were called. The less responsive or slowest element that took the longest time to load (255 ms) belongs to the original domain Bleb.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 8.1 kB (20%)

Content Size

40.6 kB

After Optimization

32.5 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Bleb.org main page is 40.6 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. 15% of websites need less resources to load. Javascripts take 20.9 kB which makes up the majority of the site volume.

HTML Optimization

-60%

Potential reduce by 1.8 kB

  • Original 3.0 kB
  • After minification 2.8 kB
  • After compression 1.2 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 1.8 kB or 60% of the original size.

Image Optimization

-5%

Potential reduce by 717 B

  • Original 13.9 kB
  • After minification 13.2 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. Bleb images are well optimized though.

JavaScript Optimization

-23%

Potential reduce by 4.8 kB

  • Original 20.9 kB
  • After minification 20.5 kB
  • After compression 16.1 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 4.8 kB or 23% of the original size.

CSS Optimization

-28%

Potential reduce by 775 B

  • Original 2.8 kB
  • After minification 2.8 kB
  • After compression 2.0 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. Bleb.org needs all CSS files to be minified and compressed as it can save up to 775 B or 28% of the original size.

Requests Breakdown

Number of requests can be reduced by 3 (30%)

Requests Now

10

After Optimization

7

  • Images
  • JavaScript
  • CSS

The browser has sent 10 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Bleb. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

bleb.org

bleb.org

255 ms

style.css

style.css

157 ms

shadow.css

shadow.css

158 ms

rss-style.css

rss-style.css

158 ms

prototype.js

prototype.js

160 ms

scriptaculous.js

scriptaculous.js

158 ms

effects.js

effects.js

161 ms

shadowAlpha.png

shadowAlpha.png

159 ms

bubbles6.jpg

bubbles6.jpg

157 ms

logo.png

logo.png

156 ms

print.css

print.css

157 ms

Accessibility Review

bleb.org accessibility score

75

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.

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

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

bleb.org 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

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

bleb.org SEO score

67

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

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    N/A

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Bleb.org can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Bleb.org main page’s claimed encoding is . Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

bleb.org

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