Report Summary

  • 16

    Performance

    Renders faster than
    30% of other websites

  • 84

    Accessibility

    Visual factors better than
    that of 57% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 85

    SEO

    Google-friendlier than
    56% of websites

hu-berlin.academia.edu

Humboldt Universität zu Berlin - Academia.edu

Page Load Speed

7.1 sec in total

First Response

2.2 sec

Resources Loaded

3.1 sec

Page Rendered

1.7 sec

hu-berlin.academia.edu screenshot

About Website

Welcome to hu-berlin.academia.edu homepage info - get ready to check Hu Berlin Academia best content for India right away, or after learning these important things about hu-berlin.academia.edu

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Key Findings

We analyzed Hu-berlin.academia.edu page load time and found that the first response time was 2.2 sec and then it took 4.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

hu-berlin.academia.edu performance score

16

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value8.1 s

0/100

10%

LCP (Largest Contentful Paint)

Value9.5 s

0/100

25%

SI (Speed Index)

Value11.1 s

6/100

10%

TBT (Total Blocking Time)

Value7,000 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.006

100/100

15%

TTI (Time to Interactive)

Value24.9 s

0/100

10%

Network Requests Diagram

hu-berlin.academia.edu

2244 ms

css

51 ms

font-awesome.min.css

16 ms

libraries-2bdcda9381a06e49f43ea53a63a1e168.css

19 ms

academia-e81a89dce640d7c183df601b8e576713.css

36 ms

Our browser made a total of 35 requests to load all elements on the main page. We found that 11% of them (4 requests) were addressed to the original Hu-berlin.academia.edu, 20% (7 requests) were made to A.academia-assets.com and 11% (4 requests) were made to Apis.google.com. The less responsive or slowest element that took the longest time to load (2.2 sec) belongs to the original domain Hu-berlin.academia.edu.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.4 MB (76%)

Content Size

1.8 MB

After Optimization

433.5 kB

In fact, the total size of Hu-berlin.academia.edu main page is 1.8 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. 70% of websites need less resources to load. Javascripts take 1.1 MB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 295.5 kB

  • Original 342.8 kB
  • After minification 342.0 kB
  • After compression 47.3 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 295.5 kB or 86% of the original size.

JavaScript Optimization

-71%

Potential reduce by 792.9 kB

  • Original 1.1 MB
  • After minification 1.1 MB
  • After compression 329.7 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 792.9 kB or 71% of the original size.

CSS Optimization

-83%

Potential reduce by 274.2 kB

  • Original 330.6 kB
  • After minification 329.8 kB
  • After compression 56.5 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. Hu-berlin.academia.edu needs all CSS files to be minified and compressed as it can save up to 274.2 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 17 (53%)

Requests Now

32

After Optimization

15

The browser has sent 32 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Hu Berlin Academia. 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 JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

hu-berlin.academia.edu accessibility score

84

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

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.

Best Practices

hu-berlin.academia.edu best practices score

75

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

hu-berlin.academia.edu SEO score

85

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

High

Page is blocked from indexing

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 Hu-berlin.academia.edu 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 Hu-berlin.academia.edu 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 data is detected on the main page of PARSED_DOMAIN, but there is no image specified in description. It would be a good idea for the website admin to select a nice image that can properly represent the website in Open Graph data, otherwise the first found image will be taken for this purpose and social media information block will look like this: