Report Summary

  • 56

    Performance

    Renders faster than
    73% of other websites

  • 74

    Accessibility

    Visual factors better than
    that of 41% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 72

    SEO

    Google-friendlier than
    31% of websites

oliforum.it

OliForum Matematico - Indice

Page Load Speed

3.2 sec in total

First Response

413 ms

Resources Loaded

2.4 sec

Page Rendered

403 ms

oliforum.it screenshot

About Website

Visit oliforum.it now to see the best up-to-date Oli Forum content for Italy and also check out these interesting facts you probably never knew about oliforum.it

Visit oliforum.it

Key Findings

We analyzed Oliforum.it page load time and found that the first response time was 413 ms and then it took 2.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

oliforum.it performance score

56

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.1 s

8/100

10%

LCP (Largest Contentful Paint)

Value6.1 s

12/100

25%

SI (Speed Index)

Value5.9 s

48/100

10%

TBT (Total Blocking Time)

Value140 ms

95/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value8.2 s

40/100

10%

Network Requests Diagram

oliforum.it

413 ms

www.oliforum.it

1316 ms

stylesheet.css

161 ms

stylesheet.css

164 ms

site_logo_sitename.css

165 ms

Our browser made a total of 40 requests to load all elements on the main page. We found that 90% of them (36 requests) were addressed to the original Oliforum.it, 5% (2 requests) were made to Cdn.mathjax.org and 5% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.3 sec) belongs to the original domain Oliforum.it.

Page Optimization Overview & Recommendations

Page size can be reduced by 492.5 kB (68%)

Content Size

728.6 kB

After Optimization

236.1 kB

In fact, the total size of Oliforum.it main page is 728.6 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. 35% of websites need less resources to load. Javascripts take 472.3 kB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 68.2 kB

  • Original 78.9 kB
  • After minification 63.3 kB
  • After compression 10.7 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 15.6 kB, which is 20% 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 68.2 kB or 86% of the original size.

Image Optimization

-4%

Potential reduce by 2.8 kB

  • Original 69.6 kB
  • After minification 66.8 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. Oli Forum images are well optimized though.

JavaScript Optimization

-70%

Potential reduce by 332.8 kB

  • Original 472.3 kB
  • After minification 441.0 kB
  • After compression 139.5 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 332.8 kB or 70% of the original size.

CSS Optimization

-82%

Potential reduce by 88.7 kB

  • Original 107.8 kB
  • After minification 82.0 kB
  • After compression 19.1 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. Oliforum.it needs all CSS files to be minified and compressed as it can save up to 88.7 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 32 (84%)

Requests Now

38

After Optimization

6

The browser has sent 38 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Oli Forum. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and from 12 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

oliforum.it accessibility score

74

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

High

[role]s are not contained by their required parent element

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

High

Some elements have a [tabindex] value greater than 0

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

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

oliforum.it 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

oliforum.it 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

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    IT

  • Language Claimed

    IT

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Oliforum.it can be misinterpreted by Google and other search engines. Our service has detected that Italian is used on the page, and it matches the claimed language. Our system also found out that Oliforum.it 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 description is not detected on the main page of Oli Forum. 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: