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drnikolic.co.uk screenshot

Report Summary

  • 16

    Performance

    Renders faster than
    30% of other websites

  • 82

    Accessibility

    Visual factors better than
    that of 52% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

drnikolic.co.uk

Dr Serge Nikolic | Consultant in Pain Medicine and Neuromodulation

Page Load Speed

6.2 sec in total

First Response

869 ms

Resources Loaded

4.8 sec

Page Rendered

583 ms

drnikolic.co.uk screenshot

About Website

Click here to check amazing Dr Nikolic content. Otherwise, check out these important facts you probably never knew about drnikolic.co.uk

Dr Nikolic is a consultant in Pain Medicine and Nuromodulation who works both privately and for the NHS at St Bartholomew’s Hospital.

Visit drnikolic.co.uk

Key Findings

We analyzed Drnikolic.co.uk page load time and found that the first response time was 869 ms and then it took 5.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

drnikolic.co.uk performance score

16

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value7.5 s

1/100

10%

LCP (Largest Contentful Paint)

Value14.8 s

0/100

25%

SI (Speed Index)

Value13.3 s

2/100

10%

TBT (Total Blocking Time)

Value4,250 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0.026

100/100

15%

TTI (Time to Interactive)

Value24.7 s

0/100

10%

Network Requests Diagram

drnikolic.co.uk

869 ms

wp-emoji-release.min.js

237 ms

style.min.css

314 ms

styles.css

237 ms

style.min.css

548 ms

Our browser made a total of 144 requests to load all elements on the main page. We found that 88% of them (126 requests) were addressed to the original Drnikolic.co.uk, 5% (7 requests) were made to Widgets.doctify.co.uk and 4% (6 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (869 ms) belongs to the original domain Drnikolic.co.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.5 MB (46%)

Content Size

3.3 MB

After Optimization

1.8 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Drnikolic.co.uk main page is 3.3 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. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Javascripts take 1.7 MB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 90.8 kB

  • Original 105.2 kB
  • After minification 103.3 kB
  • After compression 14.4 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 90.8 kB or 86% of the original size.

Image Optimization

-2%

Potential reduce by 9.5 kB

  • Original 546.5 kB
  • After minification 537.0 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. Dr Nikolic images are well optimized though.

JavaScript Optimization

-39%

Potential reduce by 644.2 kB

  • Original 1.7 MB
  • After minification 1.6 MB
  • After compression 1.0 MB

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 644.2 kB or 39% of the original size.

CSS Optimization

-79%

Potential reduce by 753.3 kB

  • Original 953.6 kB
  • After minification 950.4 kB
  • After compression 200.3 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. Drnikolic.co.uk needs all CSS files to be minified and compressed as it can save up to 753.3 kB or 79% of the original size.

Requests Breakdown

Number of requests can be reduced by 111 (82%)

Requests Now

135

After Optimization

24

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 135 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dr Nikolic. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 106 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

drnikolic.co.uk

drnikolic.co.uk

869 ms

wp-emoji-release.min.js

wp-emoji-release.min.js

237 ms

style.min.css

style.min.css

314 ms

styles.css

styles.css

237 ms

style.min.css

style.min.css

548 ms

style.css

style.css

235 ms

b4e71b8bec9be75a128ce1d5f5f9998a.min.css

b4e71b8bec9be75a128ce1d5f5f9998a.min.css

705 ms

jquery.js

jquery.js

513 ms

jquery-migrate.min.js

jquery-migrate.min.js

314 ms

js

js

46 ms

get-script

get-script

52 ms

wf-responsive-widgets.js

wf-responsive-widgets.js

43 ms

get-script

get-script

32 ms

scripts.js

scripts.js

80 ms

api.js

api.js

32 ms

isotope.js

isotope.js

81 ms

jquery.infinitescroll.js

jquery.infinitescroll.js

81 ms

avada-faqs.js

avada-faqs.js

160 ms

modernizr.js

modernizr.js

160 ms

jquery.fitvids.js

jquery.fitvids.js

161 ms

fusion-video-general.js

fusion-video-general.js

237 ms

jquery.ilightbox.js

jquery.ilightbox.js

316 ms

jquery.mousewheel.js

jquery.mousewheel.js

239 ms

fusion-lightbox.js

fusion-lightbox.js

269 ms

imagesLoaded.js

imagesLoaded.js

303 ms

packery.js

packery.js

317 ms

avada-portfolio.js

avada-portfolio.js

319 ms

cssua.js

cssua.js

347 ms

jquery.waypoints.js

jquery.waypoints.js

451 ms

fusion-waypoints.js

fusion-waypoints.js

451 ms

fusion-animations.js

fusion-animations.js

452 ms

jquery.countTo.js

jquery.countTo.js

453 ms

jquery.easyPieChart.js

jquery.easyPieChart.js

454 ms

jquery.appear.js

jquery.appear.js

471 ms

fusion-counters-circle.js

fusion-counters-circle.js

470 ms

fusion-syntax-highlighter.js

fusion-syntax-highlighter.js

480 ms

bootstrap.collapse.js

bootstrap.collapse.js

481 ms

fusion-equal-heights.js

fusion-equal-heights.js

482 ms

fusion-toggles.js

fusion-toggles.js

507 ms

fusion-flip-boxes.js

fusion-flip-boxes.js

582 ms

fusion-progress.js

fusion-progress.js

582 ms

fusion-title.js

fusion-title.js

595 ms

jquery.cycle.js

jquery.cycle.js

595 ms

fusion-testimonials.js

fusion-testimonials.js

594 ms

bootstrap.modal.js

bootstrap.modal.js

595 ms

fusion-modal.js

fusion-modal.js

639 ms

fusion-gallery.js

fusion-gallery.js

638 ms

jquery.fade.js

jquery.fade.js

587 ms

jquery.requestAnimationFrame.js

jquery.requestAnimationFrame.js

585 ms

fusion-parallax.js

fusion-parallax.js

587 ms

fusion-video-bg.js

fusion-video-bg.js

508 ms

fusion-container.js

fusion-container.js

540 ms

jquery.countdown.js

jquery.countdown.js

541 ms

fusion-countdown.js

fusion-countdown.js

566 ms

bootstrap.transition.js

bootstrap.transition.js

526 ms

bootstrap.tab.js

bootstrap.tab.js

519 ms

fusion-tabs.js

fusion-tabs.js

517 ms

fusion-events.js

fusion-events.js

676 ms

fusion-recent-posts.js

fusion-recent-posts.js

642 ms

fusion-counters-box.js

fusion-counters-box.js

631 ms

fusion-content-boxes.js

fusion-content-boxes.js

630 ms

jquery.fusion_maps.js

jquery.fusion_maps.js

629 ms

fusion-google-map.js

fusion-google-map.js

599 ms

wf-list-widget

wf-list-widget

269 ms

Chart.js

Chart.js

498 ms

fusion-chart.js

fusion-chart.js

495 ms

fusion-column-bg-image.js

fusion-column-bg-image.js

497 ms

fusion-column.js

fusion-column.js

496 ms

jquery.event.move.js

jquery.event.move.js

496 ms

KFOmCnqEu92Fr1Mu4mxP.ttf

KFOmCnqEu92Fr1Mu4mxP.ttf

28 ms

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

42 ms

KFOlCnqEu92Fr1MmSU5fBBc9.ttf

KFOlCnqEu92Fr1MmSU5fBBc9.ttf

53 ms

KFOlCnqEu92Fr1MmWUlfBBc9.ttf

KFOlCnqEu92Fr1MmWUlfBBc9.ttf

52 ms

fusion-image-before-after.js

fusion-image-before-after.js

494 ms

vimeoPlayer.js

vimeoPlayer.js

479 ms

fusion-video.js

fusion-video.js

480 ms

jquery.hoverintent.js

jquery.hoverintent.js

501 ms

avada-vertical-menu-widget.js

avada-vertical-menu-widget.js

502 ms

KFOjCnqEu92Fr1Mu51TzBic6CsE.ttf

KFOjCnqEu92Fr1Mu51TzBic6CsE.ttf

23 ms

KFOkCnqEu92Fr1Mu51xIIzc.ttf

KFOkCnqEu92Fr1Mu51xIIzc.ttf

37 ms

bootstrap.tooltip.js

bootstrap.tooltip.js

499 ms

bootstrap.popover.js

bootstrap.popover.js

464 ms

recaptcha__en.js

recaptcha__en.js

71 ms

jquery.carouFredSel.js

jquery.carouFredSel.js

434 ms

jquery.easing.js

jquery.easing.js

425 ms

jquery.flexslider.js

jquery.flexslider.js

464 ms

jquery.hoverflow.js

jquery.hoverflow.js

464 ms

jquery.placeholder.js

jquery.placeholder.js

464 ms

jquery.touchSwipe.js

jquery.touchSwipe.js

463 ms

fusion-alert.js

fusion-alert.js

456 ms

fusion-carousel.js

fusion-carousel.js

457 ms

fusion-flexslider.js

fusion-flexslider.js

476 ms

fusion-popover.js

fusion-popover.js

474 ms

fusion-tooltip.js

fusion-tooltip.js

474 ms

fusion-sharing-box.js

fusion-sharing-box.js

476 ms

fusion-blog.js

fusion-blog.js

478 ms

fusion-button.js

fusion-button.js

480 ms

bootstrap.min.css

bootstrap.min.css

16 ms

main.style.009b063e.css

main.style.009b063e.css

22 ms

main.bundle.009b063e.js

main.bundle.009b063e.js

40 ms

fusion-general-global.js

fusion-general-global.js

463 ms

fusion-ie1011.js

fusion-ie1011.js

464 ms

avada-header.js

avada-header.js

464 ms

aggregate_review

aggregate_review

351 ms

reviews

reviews

203 ms

avada-menu.js

avada-menu.js

289 ms

fusion-scroll-to-anchor.js

fusion-scroll-to-anchor.js

312 ms

fusion-responsive-typography.js

fusion-responsive-typography.js

312 ms

bootstrap.scrollspy.js

bootstrap.scrollspy.js

353 ms

avada-comments.js

avada-comments.js

353 ms

avada-general-footer.js

avada-general-footer.js

353 ms

avada-quantity.js

avada-quantity.js

356 ms

avada-scrollspy.js

avada-scrollspy.js

387 ms

avada-select.js

avada-select.js

388 ms

avada-sidebars.js

avada-sidebars.js

428 ms

jquery.sticky-kit.js

jquery.sticky-kit.js

428 ms

avada-tabs-widget.js

avada-tabs-widget.js

429 ms

avada-drop-down.js

avada-drop-down.js

432 ms

avada-contact-form-7.js

avada-contact-form-7.js

463 ms

jquery.elasticslider.js

jquery.elasticslider.js

464 ms

avada-elastic-slider.js

avada-elastic-slider.js

473 ms

avada-fusion-slider.js

avada-fusion-slider.js

473 ms

wp-embed.min.js

wp-embed.min.js

477 ms

fa-solid-900.woff

fa-solid-900.woff

558 ms

fa-regular-400.woff

fa-regular-400.woff

504 ms

Dr-Nikolic-New-Logo-Small.png

Dr-Nikolic-New-Logo-Small.png

503 ms

Serge-Nikolic.jpg

Serge-Nikolic.jpg

482 ms

icon_2.png

icon_2.png

480 ms

icon_3.png

icon_3.png

479 ms

icon_4.png

icon_4.png

510 ms

London-Bridge-Hospital-Logo.png

London-Bridge-Hospital-Logo.png

476 ms

fortius.png

fortius.png

516 ms

cromwell.png

cromwell.png

476 ms

London-Independent-Hospital.png

London-Independent-Hospital.png

475 ms

Other-Hospitals.png

Other-Hospitals.png

476 ms

Dr-Nikolic-Mobile-Logo.png

Dr-Nikolic-Mobile-Logo.png

508 ms

Spine-Pain.jpg

Spine-Pain.jpg

475 ms

Neuro-Pain.jpg

Neuro-Pain.jpg

516 ms

Muscular-Pain.jpg

Muscular-Pain.jpg

477 ms

Abs-Pain.jpg

Abs-Pain.jpg

477 ms

Pain-Treatment-Specialities.jpg

Pain-Treatment-Specialities.jpg

479 ms

616.jpg

616.jpg

585 ms

Pain-Consultation.jpg

Pain-Consultation.jpg

475 ms

Dr-Nikolic-Logo-2.png

Dr-Nikolic-Logo-2.png

81 ms

Accessibility Review

drnikolic.co.uk accessibility score

82

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

[aria-hidden="true"] elements contain focusable descendents

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.

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

<frame> or <iframe> elements do not have a title

High

Links do not have a discernible name

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

drnikolic.co.uk 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

Page has valid source maps

SEO Factors

drnikolic.co.uk SEO score

93

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 uses legible font sizes

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 Drnikolic.co.uk 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 Drnikolic.co.uk 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

drnikolic.co.uk

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