Tools & Wizards About Us
tw-alexbrain101.newsvine.com screenshot

Report Summary

  • 16

    Performance

    Renders faster than
    30% of other websites

  • 76

    Accessibility

    Visual factors better than
    that of 42% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

tw-alexbrain101.newsvine.com

NBC News - Breaking News & Top Stories - Latest World, US & Local News | NBC News

Page Load Speed

4.6 sec in total

First Response

387 ms

Resources Loaded

945 ms

Page Rendered

3.3 sec

tw-alexbrain101.newsvine.com screenshot

About Website

Visit tw-alexbrain101.newsvine.com now to see the best up-to-date Tw Alexbrain 101 News Vine content for United States and also check out these interesting facts you probably never knew about tw-alexbrain101.newsvine.com

Go to NBCNews.com for breaking news, videos, and the latest top stories in world news, business, politics, health and pop culture.

Visit tw-alexbrain101.newsvine.com

Key Findings

We analyzed Tw-alexbrain101.newsvine.com page load time and found that the first response time was 387 ms and then it took 4.2 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

tw-alexbrain101.newsvine.com performance score

16

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.7 s

29/100

10%

LCP (Largest Contentful Paint)

Value16.5 s

0/100

25%

SI (Speed Index)

Value24.6 s

0/100

10%

TBT (Total Blocking Time)

Value17,360 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.11

87/100

15%

TTI (Time to Interactive)

Value57.3 s

0/100

10%

Network Requests Diagram

www.nbcnews.com

387 ms

22d2f570234b80bf.css

57 ms

header.css

66 ms

footer.css

71 ms

7dfa2e1b31875b56.css

65 ms

Our browser made a total of 114 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Tw-alexbrain101.newsvine.com, 44% (50 requests) were made to Nodeassets.nbcnews.com and 1% (1 request) were made to Nbcnews.com. The less responsive or slowest element that took the longest time to load (468 ms) relates to the external source Nodeassets.nbcnews.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 2.8 MB (65%)

Content Size

4.4 MB

After Optimization

1.5 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Tw-alexbrain101.newsvine.com main page is 4.4 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. Only a small number of websites need less resources to load. Javascripts take 2.1 MB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 887.4 kB

  • Original 1.0 MB
  • After minification 1.0 MB
  • After compression 155.4 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 887.4 kB or 85% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 9.7 kB
  • After minification 9.7 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. Tw Alexbrain 101 News Vine images are well optimized though.

JavaScript Optimization

-45%

Potential reduce by 948.8 kB

  • Original 2.1 MB
  • After minification 2.1 MB
  • After compression 1.2 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 948.8 kB or 45% of the original size.

CSS Optimization

-84%

Potential reduce by 1.0 MB

  • Original 1.2 MB
  • After minification 1.2 MB
  • After compression 194.0 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. Tw-alexbrain101.newsvine.com needs all CSS files to be minified and compressed as it can save up to 1.0 MB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 49 (43%)

Requests Now

113

After Optimization

64

  • Images
  • JavaScript
  • CSS

The browser has sent 113 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Tw Alexbrain 101 News Vine. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 39 to 1 for JavaScripts and from 12 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

www.nbcnews.com

www.nbcnews.com

387 ms

22d2f570234b80bf.css

22d2f570234b80bf.css

57 ms

header.css

header.css

66 ms

footer.css

footer.css

71 ms

7dfa2e1b31875b56.css

7dfa2e1b31875b56.css

65 ms

115288074377d251.css

115288074377d251.css

69 ms

13f8697612a0f314.css

13f8697612a0f314.css

93 ms

f9a22ae908f25249.css

f9a22ae908f25249.css

85 ms

6dc5675e595de25b.css

6dc5675e595de25b.css

80 ms

3bb55f5c3b152337.css

3bb55f5c3b152337.css

101 ms

92a24c2326377073.css

92a24c2326377073.css

87 ms

a6adb6486aaf4398.css

a6adb6486aaf4398.css

104 ms

77e7374d4d25fbc8.css

77e7374d4d25fbc8.css

99 ms

polyfills-5cd94c89d3acac5f.js

polyfills-5cd94c89d3acac5f.js

345 ms

webpack-51fb593545a5ba5d.js

webpack-51fb593545a5ba5d.js

245 ms

framework-560765ab0625ba27.js

framework-560765ab0625ba27.js

392 ms

main-9ad1017de45323c4.js

main-9ad1017de45323c4.js

383 ms

_app-d4862f69e2121481.js

_app-d4862f69e2121481.js

452 ms

29107295-b133b9f0bd8c6f37.js

29107295-b133b9f0bd8c6f37.js

448 ms

271-3502050d272d7a18.js

271-3502050d272d7a18.js

405 ms

300-66d72f643627aab7.js

300-66d72f643627aab7.js

411 ms

2019-267d480a54e69da5.js

2019-267d480a54e69da5.js

419 ms

5117-69415e65ce616e16.js

5117-69415e65ce616e16.js

468 ms

3329-2e0977a3edc1e5ce.js

3329-2e0977a3edc1e5ce.js

421 ms

1458-30f3848c12092fef.js

1458-30f3848c12092fef.js

429 ms

6247-da307962b21a344d.js

6247-da307962b21a344d.js

430 ms

2764-fc76434023e66fbd.js

2764-fc76434023e66fbd.js

432 ms

7837-e2ccee1bfe1be395.js

7837-e2ccee1bfe1be395.js

433 ms

5518-a8233af2c90194a4.js

5518-a8233af2c90194a4.js

432 ms

371-200e8d5218a74e3e.js

371-200e8d5218a74e3e.js

435 ms

7693-7090476e0088346e.js

7693-7090476e0088346e.js

436 ms

4869-f9d1abf2f7a1ee8e.js

4869-f9d1abf2f7a1ee8e.js

436 ms

7898-68d295c7f5db6334.js

7898-68d295c7f5db6334.js

437 ms

7975-e9feda7237150042.js

7975-e9feda7237150042.js

438 ms

5522-82694d39edd13c8f.js

5522-82694d39edd13c8f.js

439 ms

9936-7ae0833dab6d36fe.js

9936-7ae0833dab6d36fe.js

439 ms

80-3e6ec0b4ff01a52e.js

80-3e6ec0b4ff01a52e.js

439 ms

240812-elon-musk-donald-trump-seamless-2-up-split-3x2-ac-659p-c30ca2.jpg

240812-elon-musk-donald-trump-seamless-2-up-split-3x2-ac-659p-c30ca2.jpg

82 ms

launch-EN03682f66064449c8b87d78eae3e2fc57.min.js

launch-EN03682f66064449c8b87d78eae3e2fc57.min.js

78 ms

240805-jordan-chiles-ew-220p-0711fa.jpg

240805-jordan-chiles-ew-220p-0711fa.jpg

71 ms

240812-ukraine-frontline-tank-wc-0817-21b57d.jpg

240812-ukraine-frontline-tank-wc-0817-21b57d.jpg

75 ms

240812-covid-vaccine-al-0719-6b0119.jpg

240812-covid-vaccine-al-0719-6b0119.jpg

63 ms

1723502969356_nn_ren_israeli_military_highest_state_of_alert_while_bracing_for_iran_strike_240812_1920x1080-trw619.jpg

1723502969356_nn_ren_israeli_military_highest_state_of_alert_while_bracing_for_iran_strike_240812_1920x1080-trw619.jpg

71 ms

240812-econ-profiles-austin-urlaub-3x2-lr-cd92a6.jpg

240812-econ-profiles-austin-urlaub-3x2-lr-cd92a6.jpg

226 ms

240807-church-sex-abuse-v2-lr-c37ba8.jpg

240807-church-sex-abuse-v2-lr-c37ba8.jpg

323 ms

240812-Jarren-Duran-se-435p-8344fc.jpg

240812-Jarren-Duran-se-435p-8344fc.jpg

324 ms

240725-Young-Thug-ew-337p-28feac.jpg

240725-Young-Thug-ew-337p-28feac.jpg

225 ms

240812-cornell-university-mn-1545-343051.jpg

240812-cornell-university-mn-1545-343051.jpg

354 ms

240812-arizona-abortion-access-for-all-protest-wm-547p-d34b97.jpg

240812-arizona-abortion-access-for-all-protest-wm-547p-d34b97.jpg

360 ms

240812-elle-king-rob-schneider-se-1131a-f33e59.jpg

240812-elle-king-rob-schneider-se-1131a-f33e59.jpg

355 ms

S-H-C-3e0612.png

S-H-C-3e0612.png

356 ms

240802-back-to-school-kb-sq-e950e8.jpg

240802-back-to-school-kb-sq-e950e8.jpg

385 ms

240801-windows-oo-sq-v2-7335b3.jpg

240801-windows-oo-sq-v2-7335b3.jpg

397 ms

240701-dorm-essentials-oo-sq-22b3e7.jpg

240701-dorm-essentials-oo-sq-22b3e7.jpg

358 ms

240812-hello-fresh-ode-vl-main-fa8616.jpg

240812-hello-fresh-ode-vl-main-fa8616.jpg

359 ms

240808-Champlain-Towers-al-0942-3cc0db.jpg

240808-Champlain-Towers-al-0942-3cc0db.jpg

363 ms

240809-paradise-fire-jg-740885.jpg

240809-paradise-fire-jg-740885.jpg

366 ms

240523-mifepristone-vl-218p-6e40cc.jpg

240523-mifepristone-vl-218p-6e40cc.jpg

362 ms

240723-gen-alpha-slang-lr-0edc6e.jpg

240723-gen-alpha-slang-lr-0edc6e.jpg

364 ms

1723504664266_nn_olympics_eik_jordanmedal_240812_1920x1080-c4zu2k.jpg

1723504664266_nn_olympics_eik_jordanmedal_240812_1920x1080-c4zu2k.jpg

385 ms

1723505068163_nn_tco_delimeat_listeria_outbreak_240812_1920x1080-2a5e3e.jpg

1723505068163_nn_tco_delimeat_listeria_outbreak_240812_1920x1080-2a5e3e.jpg

369 ms

1723503868829_nn_sse_america_in_one_room_youth_vote_240812_1920x1080-czwwcf.jpg

1723503868829_nn_sse_america_in_one_room_youth_vote_240812_1920x1080-czwwcf.jpg

369 ms

1723462872631_tdy_news_7a_oly_jordan_chiles_bronze_240812_1920x1080-9p5uuw.jpg

1723462872631_tdy_news_7a_oly_jordan_chiles_bronze_240812_1920x1080-9p5uuw.jpg

395 ms

240812-harris-trump-split-wc-0734-c3dcd8.jpg

240812-harris-trump-split-wc-0734-c3dcd8.jpg

389 ms

240711-Debbie-Mucarsel-Powell-vl-251p-d006e7.jpg

240711-Debbie-Mucarsel-Powell-vl-251p-d006e7.jpg

385 ms

240812-los-angeles-area-skyline-se-351p-883b39.jpg

240812-los-angeles-area-skyline-se-351p-883b39.jpg

387 ms

240805-jordan-chiles-ew-220p-0711fa.jpg

240805-jordan-chiles-ew-220p-0711fa.jpg

396 ms

240812-olympics-latino-gold-medalists-se-412p-033d95.jpg

240812-olympics-latino-gold-medalists-se-412p-033d95.jpg

394 ms

240812-raygun-olympics-wc-1006-59eb9e.jpg

240812-raygun-olympics-wc-1006-59eb9e.jpg

395 ms

240810-paris-olympics-ch-1356-667bb0.jpg

240810-paris-olympics-ch-1356-667bb0.jpg

404 ms

240810-paris-olympics-ch-1356-667bb0.jpg

240810-paris-olympics-ch-1356-667bb0.jpg

413 ms

240812-london-leicester-square-stabbing-mn-0925-4c05b0.jpg

240812-london-leicester-square-stabbing-mn-0925-4c05b0.jpg

403 ms

240812-serbia-protests-wc-1100-1eb5e3.jpg

240812-serbia-protests-wc-1100-1eb5e3.jpg

397 ms

240812-grocery-shopping-al-1415-9f85b7.jpg

240812-grocery-shopping-al-1415-9f85b7.jpg

400 ms

5279-31f262fbc685730d.js

5279-31f262fbc685730d.js

392 ms

4834-aa1a5272314bdd48.js

4834-aa1a5272314bdd48.js

383 ms

7203-e97f881348df5ce9.js

7203-e97f881348df5ce9.js

380 ms

7444-848457ee8af77ce4.js

7444-848457ee8af77ce4.js

379 ms

3600-22c4f54217d8f61a.js

3600-22c4f54217d8f61a.js

379 ms

6068-2507958cd2182651.js

6068-2507958cd2182651.js

387 ms

240812-macys-store-closings-se-207p-a5fa4a.jpg

240812-macys-store-closings-se-207p-a5fa4a.jpg

339 ms

5238-6c1173e0b8513aa7.js

5238-6c1173e0b8513aa7.js

363 ms

6310-63a6ad39e62c3a7e.js

6310-63a6ad39e62c3a7e.js

428 ms

240812-gmc-terrain-mn-1400-37584e.jpg

240812-gmc-terrain-mn-1400-37584e.jpg

336 ms

240809-MDMA-treatment-ch-1211-e60b79.jpg

240809-MDMA-treatment-ch-1211-e60b79.jpg

339 ms

230918-Neffy-al-1436-6102dc.jpg

230918-Neffy-al-1436-6102dc.jpg

336 ms

5674-e3970faeab042d93.js

5674-e3970faeab042d93.js

412 ms

240807-gaza-children-ch-1411-6e2dcf.jpg

240807-gaza-children-ch-1411-6e2dcf.jpg

337 ms

front-abbb3865d6787ecc.js

front-abbb3865d6787ecc.js

366 ms

_buildManifest.js

_buildManifest.js

260 ms

_ssgManifest.js

_ssgManifest.js

259 ms

240812-InSight-Mars-lander-2022-ac-510p-7c87b5.jpg

240812-InSight-Mars-lander-2022-ac-510p-7c87b5.jpg

260 ms

_middlewareManifest.js

_middlewareManifest.js

258 ms

240809-japan-earthquake-mn-1500-518ace.jpg

240809-japan-earthquake-mn-1500-518ace.jpg

166 ms

240808-alaska-ch-1022-e66fa9.jpg

240808-alaska-ch-1022-e66fa9.jpg

166 ms

240812-Jarren-Duran-se-244p-4dc765.jpg

240812-Jarren-Duran-se-244p-4dc765.jpg

138 ms

ads.39313b9c.js

ads.39313b9c.js

176 ms

240809-msnbc-drag-short-ch-1540-2061eb.jpg

240809-msnbc-drag-short-ch-1540-2061eb.jpg

140 ms

240806-yearbook-tim-walz-2-ew-758p-2d7080.jpg

240806-yearbook-tim-walz-2-ew-758p-2d7080.jpg

137 ms

240809-bulgaria-lgbtq-ch-1236-7c40b0.jpg

240809-bulgaria-lgbtq-ch-1236-7c40b0.jpg

133 ms

240812--Olympics-pakistan-Arshad-Nadeem-return-home-se-253p-2f5db5.jpg

240812--Olympics-pakistan-Arshad-Nadeem-return-home-se-253p-2f5db5.jpg

134 ms

240807-Vinesh-Phogat-ew-140p-0ff869.jpg

240807-Vinesh-Phogat-ew-140p-0ff869.jpg

131 ms

240806-Patti-Yasutake-obit-2023-ac-1028p-d66ad3.jpg

240806-Patti-Yasutake-obit-2023-ac-1028p-d66ad3.jpg

162 ms

240806-carlos-yulo-medal-se-1108a-a1a8ca.jpg

240806-carlos-yulo-medal-se-1108a-a1a8ca.jpg

131 ms

240725-Young-Thug-ew-337p-28feac.jpg

240725-Young-Thug-ew-337p-28feac.jpg

127 ms

240810-jordan-chiles-ch-1413-9e3bf6.jpg

240810-jordan-chiles-ch-1413-9e3bf6.jpg

153 ms

240810-jordan-chiles-ch-1347-d22857.jpg

240810-jordan-chiles-ch-1347-d22857.jpg

153 ms

240811-simone-biles-vl-237p-adc8e8.jpg

240811-simone-biles-vl-237p-adc8e8.jpg

155 ms

240812-olympics-latino-gold-medalists-se-412p-033d95.jpg

240812-olympics-latino-gold-medalists-se-412p-033d95.jpg

139 ms

240812-Puerto-Rico-storm-satellite-view-NOAA-ac-456p-cbd556.gif

240812-Puerto-Rico-storm-satellite-view-NOAA-ac-456p-cbd556.gif

141 ms

240808-ryan-walters-oklahoma-mn-0955-edfa5d.jpg

240808-ryan-walters-oklahoma-mn-0955-edfa5d.jpg

133 ms

240329-pickleball-shoes-kb-main-eb7178.jpg

240329-pickleball-shoes-kb-main-eb7178.jpg

136 ms

240205-pimple-patches-kb-SQ-692574.jpg

240205-pimple-patches-kb-SQ-692574.jpg

136 ms

240809-weekly-sales-aw-sq-682fad.jpg

240809-weekly-sales-aw-sq-682fad.jpg

132 ms

Accessibility Review

tw-alexbrain101.newsvine.com accessibility score

76

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

High

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

High

Image elements do not have [alt] attributes

High

Links do not have a discernible 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.

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 IDs are not unique

Best Practices

tw-alexbrain101.newsvine.com best practices score

83

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

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

tw-alexbrain101.newsvine.com SEO score

77

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 Tw-alexbrain101.newsvine.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 Tw-alexbrain101.newsvine.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

tw-alexbrain101.newsvine.com

Open Graph data is detected on the main page of Tw Alexbrain 101 News Vine. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: