Tools & Wizards About Us
alzres.biomedcentral.com screenshot

Report Summary

  • 37

    Performance

    Renders faster than
    57% of other websites

  • 94

    Accessibility

    Visual factors better than
    that of 84% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 71

    SEO

    Google-friendlier than
    30% of websites

alzres.biomedcentral.com

Home page | Alzheimer's Research & Therapy

Page Load Speed

3.5 sec in total

First Response

339 ms

Resources Loaded

2.4 sec

Page Rendered

814 ms

alzres.biomedcentral.com screenshot

About Website

Welcome to alzres.biomedcentral.com homepage info - get ready to check Alzres Biomedcentral best content for China right away, or after learning these important things about alzres.biomedcentral.com

Leading the open access field for translational research into dementia and neurodegenerative diseases, Alzheimer's Research & Therapy is the major forum for ...

Visit alzres.biomedcentral.com

Key Findings

We analyzed Alzres.biomedcentral.com page load time and found that the first response time was 339 ms and then it took 3.2 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

alzres.biomedcentral.com performance score

37

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

66/100

10%

LCP (Largest Contentful Paint)

Value4.5 s

37/100

25%

SI (Speed Index)

Value5.7 s

51/100

10%

TBT (Total Blocking Time)

Value8,240 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.026

100/100

15%

TTI (Time to Interactive)

Value14.4 s

9/100

10%

Network Requests Diagram

alzres.biomedcentral.com

339 ms

css

111 ms

suis-biomedcentral.86d30a9e.css

57 ms

webtrekk_v4.min.js

385 ms

oscar.bd472c3f.js

93 ms

Our browser made a total of 66 requests to load all elements on the main page. We found that 20% of them (13 requests) were addressed to the original Alzres.biomedcentral.com, 12% (8 requests) were made to Pbs.twimg.com and 8% (5 requests) were made to Cdn.doubleverify.com. The less responsive or slowest element that took the longest time to load (697 ms) relates to the external source Resource-cms.springer.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 660.4 kB (67%)

Content Size

983.5 kB

After Optimization

323.1 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Alzres.biomedcentral.com main page is 983.5 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. 70% of websites need less resources to load. Javascripts take 819.0 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 44.7 kB

  • Original 56.9 kB
  • After minification 48.9 kB
  • After compression 12.2 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. This page needs HTML code to be minified as it can gain 8.1 kB, which is 14% 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 44.7 kB or 79% of the original size.

Image Optimization

-20%

Potential reduce by 21.2 kB

  • Original 107.5 kB
  • After minification 86.3 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. Obviously, Alzres Biomedcentral needs image optimization as it can save up to 21.2 kB or 20% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-73%

Potential reduce by 594.4 kB

  • Original 819.0 kB
  • After minification 793.5 kB
  • After compression 224.6 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 594.4 kB or 73% of the original size.

Requests Breakdown

Number of requests can be reduced by 37 (62%)

Requests Now

60

After Optimization

23

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 60 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Alzres Biomedcentral. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 26 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

alzres.biomedcentral.com

alzres.biomedcentral.com

339 ms

css

css

111 ms

suis-biomedcentral.86d30a9e.css

suis-biomedcentral.86d30a9e.css

57 ms

webtrekk_v4.min.js

webtrekk_v4.min.js

385 ms

oscar.bd472c3f.js

oscar.bd472c3f.js

93 ms

mathjaxConfig.698a06c9.js

mathjaxConfig.698a06c9.js

93 ms

analytics.js

analytics.js

185 ms

v2

v2

474 ms

widgets.js

widgets.js

152 ms

biomed-central-logo_180x35.aea55d8f.png

biomed-central-logo_180x35.aea55d8f.png

141 ms

hex-aqua-f7f8fa.48e48a0b.jpg

hex-aqua-f7f8fa.48e48a0b.jpg

142 ms

springer-logo_75x20.7763bac1.png

springer-logo_75x20.7763bac1.png

377 ms

v1

v1

668 ms

v1

v1

667 ms

v1

v1

697 ms

v1

v1

370 ms

9CC.js

9CC.js

368 ms

aC6.js

aC6.js

203 ms

cJZKeOuBrn4kERxqtaUH3T8E0i7KZn-EPnyo3HZu7kw.woff

cJZKeOuBrn4kERxqtaUH3T8E0i7KZn-EPnyo3HZu7kw.woff

204 ms

MTP_ySUJH_bn48VBG8sNSnhCUOGz7vYGh680lGh-uXM.woff

MTP_ySUJH_bn48VBG8sNSnhCUOGz7vYGh680lGh-uXM.woff

203 ms

k3k702ZOKiLJc3WVjuplzHhCUOGz7vYGh680lGh-uXM.woff

k3k702ZOKiLJc3WVjuplzHhCUOGz7vYGh680lGh-uXM.woff

204 ms

realMedia

realMedia

230 ms

realMedia

realMedia

231 ms

realMedia

realMedia

522 ms

MathJax.js

MathJax.js

162 ms

Oregon_LDO_Book.woff

Oregon_LDO_Book.woff

488 ms

collect

collect

72 ms

timeline.d11f7a3b3287fb94220e8ee6d03cc772.js

timeline.d11f7a3b3287fb94220e8ee6d03cc772.js

100 ms

collect

collect

68 ms

1747285703@Top

1747285703@Top

296 ms

1776092264@Middle

1776092264@Middle

296 ms

TeX-AMS-MML_HTMLorMML.js

TeX-AMS-MML_HTMLorMML.js

65 ms

syndication

syndication

381 ms

648514527248674816

648514527248674816

390 ms

1487526621@Right1

1487526621@Right1

194 ms

1279793492

1279793492

189 ms

dvbs_src.js

dvbs_src.js

56 ms

suis-biomedcentral-print.201cf5fb.css

suis-biomedcentral-print.201cf5fb.css

109 ms

bst2tv3.html

bst2tv3.html

151 ms

verify.js

verify.js

65 ms

empty.gif

empty.gif

59 ms

1279793492

1279793492

224 ms

timeline.47ab5d19e8ed22531abcf4f86f3ae53a.light.ltr.css

timeline.47ab5d19e8ed22531abcf4f86f3ae53a.light.ltr.css

33 ms

timeline.47ab5d19e8ed22531abcf4f86f3ae53a.light.ltr.css

timeline.47ab5d19e8ed22531abcf4f86f3ae53a.light.ltr.css

67 ms

140 ms

dvtp_src.js

dvtp_src.js

49 ms

52addd348800bc08bd12bacc23fa11fa_normal.jpeg

52addd348800bc08bd12bacc23fa11fa_normal.jpeg

164 ms

FMvXgkwd_normal.png

FMvXgkwd_normal.png

144 ms

1HClytBk_normal.png

1HClytBk_normal.png

156 ms

HaiTzvrH_normal.jpg

HaiTzvrH_normal.jpg

157 ms

IuOsulO6_normal.jpeg

IuOsulO6_normal.jpeg

156 ms

fda60a2a6c89178e6f91efa06b37daab_normal.jpeg

fda60a2a6c89178e6f91efa06b37daab_normal.jpeg

156 ms

CbA6qBOWcAEVhyS.png:large

CbA6qBOWcAEVhyS.png:large

151 ms

CaSWX1pWkAEA6aq.jpg

CaSWX1pWkAEA6aq.jpg

149 ms

4e6c546c4256627548497741414b354a

4e6c546c4256627548497741414b354a

80 ms

aclk

aclk

175 ms

28 ms

dvtp_src.js

dvtp_src.js

52 ms

lidar.js

lidar.js

48 ms

jot

jot

23 ms

dt

dt

77 ms

skeleton.js

skeleton.js

77 ms

dtc

dtc

16 ms

controltag

controltag

18 ms

dvtp_src_internal26.js

dvtp_src_internal26.js

15 ms

dvtp_src_internal26.js

dvtp_src_internal26.js

13 ms

Accessibility Review

alzres.biomedcentral.com accessibility score

94

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

Image elements do not have [alt] attributes

Best Practices

alzres.biomedcentral.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

High

Missing source maps for large first-party JavaScript

SEO Factors

alzres.biomedcentral.com SEO score

71

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

High

Image elements do not have [alt] attributes

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 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 Alzres.biomedcentral.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 Alzres.biomedcentral.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

alzres.biomedcentral.com

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