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hos.gnowledge.org screenshot

Report Summary

  • 46

    Performance

    Renders faster than
    66% of other websites

  • 90

    Accessibility

    Visual factors better than
    that of 76% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

hos.gnowledge.org

An Invitation to History of Science: A short introductory course for undergraduates — Invitation to History of Science: H201

Page Load Speed

4.6 sec in total

First Response

1.1 sec

Resources Loaded

3.1 sec

Page Rendered

465 ms

hos.gnowledge.org screenshot

About Website

Click here to check amazing Hos Gnowledge content for India. Otherwise, check out these important facts you probably never knew about hos.gnowledge.org

This site is a collaborative space where I am weaving a course on "An Invitation to History of Science: A short introductory course for undergraduates".

Visit hos.gnowledge.org

Key Findings

We analyzed Hos.gnowledge.org page load time and found that the first response time was 1.1 sec and then it took 3.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

hos.gnowledge.org performance score

46

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.6 s

13/100

10%

LCP (Largest Contentful Paint)

Value5.2 s

23/100

25%

SI (Speed Index)

Value8.3 s

19/100

10%

TBT (Total Blocking Time)

Value550 ms

53/100

30%

CLS (Cumulative Layout Shift)

Value0.076

95/100

15%

TTI (Time to Interactive)

Value5.3 s

73/100

10%

Network Requests Diagram

hos.gnowledge.org

1114 ms

jquery-cachekey0076.js

580 ms

sarissa-cachekey8600.js

633 ms

base.css

270 ms

public.css

284 ms

Our browser made a total of 23 requests to load all elements on the main page. We found that all of those requests were addressed to Hos.gnowledge.org and no external sources were called. The less responsive or slowest element that took the longest time to load (1.3 sec) belongs to the original domain Hos.gnowledge.org.

HTML Optimization

-0%

Potential reduce by -8 B

  • Original 0 B

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 web page is already compressed.

Requests Breakdown

Number of requests can be reduced by 12 (55%)

Requests Now

22

After Optimization

10

  • Images
  • JavaScript
  • CSS

The browser has sent 22 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Hos Gnowledge. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

hos.gnowledge.org

hos.gnowledge.org

1114 ms

jquery-cachekey0076.js

jquery-cachekey0076.js

580 ms

sarissa-cachekey8600.js

sarissa-cachekey8600.js

633 ms

base.css

base.css

270 ms

public.css

public.css

284 ms

columns.css

columns.css

389 ms

authoring.css

authoring.css

398 ms

portlets.css

portlets.css

435 ms

controlpanel.css

controlpanel.css

435 ms

print.css

print.css

470 ms

deprecated.css

deprecated.css

491 ms

navtree.css

navtree.css

586 ms

invisibles.css

invisibles.css

599 ms

forms.css

forms.css

650 ms

ploneKss.css

ploneKss.css

659 ms

ploneCustom.css

ploneCustom.css

669 ms

hoscourselogo-greek-3.png

hoscourselogo-greek-3.png

1261 ms

spinner.gif

spinner.gif

763 ms

input_background.gif

input_background.gif

239 ms

search_icon.gif

search_icon.gif

248 ms

bullet.gif

bullet.gif

238 ms

linkOpaque.gif

linkOpaque.gif

239 ms

discussionitem_icon.gif

discussionitem_icon.gif

302 ms

Accessibility Review

hos.gnowledge.org accessibility score

90

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

hos.gnowledge.org 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

SEO Factors

hos.gnowledge.org SEO score

77

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Hos.gnowledge.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 Hos.gnowledge.org 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

hos.gnowledge.org

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