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techstack.in website review

Visit site (opens in a new tab)Reviewed 19 October 202635 issues · 90 checks

This review found 35 issues worth fixing on techstack.in, 12 of them high impact, across 90 checks. The most urgent: reduce unused JavaScript. Your full playbook turns these into prioritised fixes alongside reviews, competitors and channels.

  1. Homepage
  2. Phone render
  3. Links and pages
  4. Google PageSpeed

Google PageSpeed Insights (opens in a new tab), mobile

Real-visitor load time (LCP)75th percentile, phones
3.5 s2.2 sMay 2Oct 172.3 s
Show as table
DateReal-visitor load time (LCP)
May 2, 20262.6 s
May 9, 20262.5 s
May 16, 20262.6 s
May 23, 20262.5 s
May 30, 20262.6 s
Jun 6, 20262.7 s
Jun 13, 20262.8 s
Jun 20, 20262.8 s
Jun 27, 20262.7 s
Jul 4, 20262.7 s
Jul 11, 20262.7 s
Jul 18, 20262.7 s
Jul 25, 20262.8 s
Aug 1, 20262.9 s
Aug 8, 20263.2 s
Aug 15, 20263.3 s
Aug 22, 20263.3 s
Aug 29, 20263.3 s
Sep 5, 20263.2 s
Sep 12, 20263.0 s
Sep 19, 20262.8 s
Sep 26, 20262.7 s
Oct 3, 20262.5 s
Oct 10, 20262.3 s
Oct 17, 20262.3 s
Real-visitor tap response (INP)75th percentile, phones
161 ms127 msMay 2Oct 17141 ms
Show as table
DateReal-visitor tap response (INP)
May 2, 2026145 ms
May 9, 2026143 ms
May 16, 2026144 ms
May 23, 2026145 ms
May 30, 2026146 ms
Jun 6, 2026145 ms
Jun 13, 2026146 ms
Jun 20, 2026146 ms
Jun 27, 2026143 ms
Jul 4, 2026143 ms
Jul 11, 2026142 ms
Jul 18, 2026142 ms
Jul 25, 2026147 ms
Aug 1, 2026148 ms
Aug 8, 2026155 ms
Aug 15, 2026157 ms
Aug 22, 2026154 ms
Aug 29, 2026147 ms
Sep 5, 2026140 ms
Sep 12, 2026139 ms
Sep 19, 2026131 ms
Sep 26, 2026140 ms
Oct 3, 2026140 ms
Oct 10, 2026137 ms
Oct 17, 2026141 ms

Chrome UX Report (opens in a new tab): real Chrome visitors over rolling 28-day periods.

One score from every part of this review. How it works

Full-page screenshot of techstack.in (desktop) rendered by Google PageSpeed Insights

How it loaded on a phone

  1. techstack.in at 0.4 s0.4 s
  2. techstack.in at 0.8 s0.8 s
  3. techstack.in at 1.1 s1.1 s
  4. techstack.in at 1.5 s1.5 s
  5. techstack.in at 1.9 s1.9 s
  6. techstack.in at 2.3 s2.3 s
  7. techstack.in at 2.6 s2.6 s
  8. techstack.in at 3.0 s3.0 s

Speed

10 to fix51
  • Reduce unused JavaScript

    4.6 s · 763 KiB

    About 763 KiB of JavaScript is downloaded but never used on this page. Google estimates it would make the page about 4.6 s faster on a phone.

  • Use efficient cache lifetimes

    1.4 s · 331 KiB

    67 files are served with short cache lifetimes, so returning visitors download them again (331 KiB).

  • Render-blocking requests

    1.6 s

    13 files block the first paint until they finish downloading. Deferring or inlining them could save about 1.6 s.

  • 8 third-party services on the page

    8 third-party services load with your homepage (Google CDN, Google Tag Manager and Facebook and others), adding 1.8 MB and 890 ms of main-thread time.

  • Mobile performance score: 51

    51/100

    Your mobile performance score is 51 (desktop: 57). Pages that score under 90 lose visitors before the first paint.

  • Google CDN adds 406 ms

    406 ms

    Google CDN costs a phone 406 ms of main-thread work and 1.1 MB of downloads while your page loads. Loading it after the page is usable, or only on the pages that need it, takes that off the critical path.

  • Reduce unused CSS

    450 ms · 35 KiB

    About 35 KiB of CSS is downloaded but never applied on this page. Google estimates it would make the page about 450 ms faster on a phone.

  • Font display

    400 ms

    Web fonts hide text while they load. Setting font-display: swap shows text immediately (about 400 ms).

  • Main-thread work: 2.6 s

    A phone's processor spends 2.6 s on main-thread work while loading, 1.5 s of it running JavaScript. Above 2 s, taps and scrolls feel sluggish.

  • 2,539 HTML elements

    The page has 2,539 HTML elements. Above 1,500, rendering and every interaction get slower on phones.

  • Improve image delivery

    50 ms · 139 KiB

    5 images could be 139 KiB smaller with modern formats (WebP or AVIF) and sizes that fit a phone screen. Google estimates it would make the page about 50 ms faster on a phone.

  • Minify JavaScript

    150 ms · 5 KiB

    5 KiB could be saved by minifying JavaScript.

  • 14 long tasks on the main thread

    14 long tasks block the main thread while loading, the longest for 130 ms. During a long task the page ignores taps.

  • Legacy JavaScript

    23 KiB

    Polyfills for old browsers add 23 KiB JavaScript that modern phones do not need.

  • Chained critical requests

    Critical files load one after another instead of in parallel (3 chains). Preconnecting to key origins and preloading the hero image shortens the chain.

  • Forced reflow

    Scripts make the browser recalculate the layout repeatedly while the page loads, which wastes processor time on phones.

  • Minify CSS

    4 KiB

    4 KiB could be saved by minifying CSS.

1 checks passed
  • Server response: 3 ms

    3 ms

    Your server sent the HTML in 3 ms, well inside Google's 600 ms guideline.

Core Web Vitals

8 to fix100
  • Fails Core Web Vitals for real visitors

    Real Chrome users on phones do not pass Google's Core Web Vitals on this page (28-day field data from the Chrome UX Report (opens in a new tab)). Google uses this in ranking.

  • First Contentful Paint: 10.2 s

    10.2 s

    The first text or image appears after 10.2 s on a phone. Good is under 1.8 s.

  • Largest Contentful Paint: 14.6 s

    14.6 s

    Your largest element takes 14.6 s to render on a phone. Google's threshold for “good” is 2.5 s. The largest element is the text “India’s #1 Institute for Digital Marketing, Web Development…”.

  • Time to Interactive: 15.0 s

    15.0 s

    The page becomes fully interactive after 15.0 s. Good is under 3.8 s.

  • Speed Index: 10.2 s

    10.2 s

    Visually, the page fills in at 10.2 s (Speed Index). Good is under 3.4 s.

  • Real-user TTFB: 948 ms

    948 ms

    Real visitors wait 948 ms for your server to start answering (75th percentile). Good is under 800 ms.

  • 66 images without width and height

    66 images have no width and height attributes, so the layout jumps as each one loads.

  • Total Blocking Time: 254 ms

    254 ms

    Scripts block taps and scrolling for 254 ms in total while the page loads. Good is under 200 ms.

  • Tap response (INP) held steady for real visitors

    -3%

    Over the last 25 four-week periods to 2026-10-17, real Chrome visitors' tap response (inp) went from 145 ms to 141 ms at the 75th percentile (Chrome UX Report (opens in a new tab) history).

  • Largest content (LCP) held steady for real visitors

    -9%

    Over the last 25 four-week periods to 2026-10-17, real Chrome visitors' largest content (lcp) went from 2.6 s to 2.3 s at the 75th percentile (Chrome UX Report (opens in a new tab) history).

5 checks passed
  • Real-user LCP: 1.8 s

    1.8 s

    Real visitors wait 1.8 s for the largest content to appear (75th percentile). Good is under 2.5 s.

  • Real-user INP: 138 ms

    138 ms

    Real visitors wait 138 ms for the page to respond to a tap (75th percentile). Good is under 200 ms.

  • Real-user CLS: 0.00

    0.00

    For real visitors the layout shifts by 0.00 (75th percentile). Good is under 0.1.

  • Real-user FCP: 1.4 s

    1.4 s

    Real visitors see the first content after 1.4 s (75th percentile). Good is under 1.8 s.

  • Cumulative Layout Shift: 0

    0

    The layout barely moves while loading (CLS 0, good is under 0.1).

Images and page weight

2 to fix75
  • Page weight: 3.0 MB in 98 requests

    3.0 MB

    Your homepage downloads 3.0 MB in 98 requests on a phone: scripts 1.7 MB (27), images 503 KiB (36) and other files 351 KiB (7). Under 2 MB keeps phones on slow connections fast.

  • 1 image far larger than shown

    60 KiB

    1 image is downloaded at several times the size a phone draws it, for example univers_img16.webp at 900 px wide, shown at 55 px. Resized copies would save about 60 KiB.

  • About 0.8 g of CO₂ per visit

    0.85 g

    By the Sustainable Web Design model, a visit to your homepage emits about 0.85 g of CO₂e: 101.7 kg a year at 10,000 visits a month. It scales with page weight, so every byte cut lowers it.

2 checks passed
  • Images use modern formats

    Every sizeable image is WebP, AVIF or SVG.

  • Images load when needed

    Images below the first screen wait until the visitor scrolls to them.

Accessibility

7 to fixGoogle 6985
  • 8 tap targets too small

    8 tap targets are too small or too close together to hit reliably with a finger.

  • 5 text elements with low contrast

    5 text elements don't have enough contrast against the background to read easily, especially outdoors on a phone.

  • Frames without titles

    1 frame has no title, so screen-reader users cannot tell what it contains.

  • All page content should be contained by landmarks (13 elements)

    All page content should be contained by landmarks: 13 elements on the page fail this check, rated moderate by axe-core.

  • No main landmark

    The page has no <main> landmark, so screen-reader users cannot jump straight to the content.

  • 6 form fields without a label

    6 form fields have no label, so screen readers announce an empty box and autofill guesses.

  • 6 links without text

    6 visible links have no text or label, so screen readers cannot say where they go.

  • Headings skip levels

    Headings skip levels (h2 → h4, h2 → h4 and h2 → h4), which makes the page harder to scan with a screen reader.

2 checks passed
  • Every image has alt text

    All 134 images in the HTML carry an alt attribute.

  • 25 automated accessibility rules passed

    axe-core 4.13.0, the open-source engine behind most accessibility testing tools, ran 31 WCAG 2.2 A/AA and best-practice rules on the phone render: 25 passed and 6 failed. 3 mores need a person to judge. Automated rules catch about a third of accessibility problems; the rest need manual testing.

SEO

4 to fixGoogle 9283
  • Title is long (67 characters)

    Your title is 67 characters, so Google will cut it off around 60: “Techstack - India’s Most Trusted & Award-Winning Training Institute”.

  • 38 links crawlers can't follow

    38 links have no real href, so search engines can't follow them.

  • Meta description is long (231 characters)

    Your meta description is 231 characters; Google truncates after about 160, so the end of your pitch is cut.

  • No social preview image

    No Open Graph image (also missing: og:title, og:description), so links shared on LinkedIn, Slack or Facebook show no preview picture.

  • No X (Twitter) card tag

    No twitter:card tag. X falls back to Open Graph, which is incomplete here.

  • 211 internal links, 16 external

    The homepage links to 211 pages on techstack.in and 16 external pages.

5 checks passed
  • One H1 headline

    Your main headline reads: “India’s #1 Institute for Digital Marketing, Web Development, AI & Data Science”.

  • Canonical URL set

    The canonical URL is https://www.techstack.in/.

  • Structured data in place

    Structured data found: AggregateRating, BreadcrumbList, Course, FAQPage and Organization.

  • robots.txt in place

    robots.txt is in place and points crawlers to your sitemap.

  • XML sitemap found

    Your XML sitemap is reachable at https://www.techstack.in/sitemap.xml.

AI search readiness

100
4 checks passed
  • AI answer engines may read the site

    Your robots.txt lets the crawlers behind ChatGPT search, Claude and Perplexity read the site and cite it in answers.

  • Organization data: 5 of 6 facts

    Your Organization JSON-LD gives name, url, logo, sameAs (social profiles) and contact details; description would complete it.

  • Text is in the HTML

    Your server sends the page's text in the HTML (2,874 words), so crawlers that don't run JavaScript still read it.

  • llms.txt published

    The site publishes https://www.techstack.in/llms.txt (10 KiB, 46 links), a plain-text guide to the site for AI tools.

Other pages

2 to fix68
  • 1 linked page is broken

    Your homepage links to https://www.techstack.in/diploma-big-data-analytics, which answers with an error. Visitors hit a dead end and search engines drop it.

  • 7 linked pages hidden from search

    https://www.techstack.in/post-graduation-artificial-intelligence-program, https://www.techstack.in/post-graduation-program-in-video-editing, https://www.techstack.in/master-business-analytics-program, https://www.techstack.in/master-in-graphic-designing-program, https://www.techstack.in/master-in-video-editing-program and https://www.techstack.in/master-data-science-program and 1 other are marked noindex but linked from your homepage. If they are meant to be found, remove the noindex.

  • 15 internal pages checked

    We fetched 15 pages linked from your homepage (of 86 found) and read each the way a search engine does.

5 checks passed
  • Canonical URLs point to themselves

    No page we checked hands its ranking to a different URL.

  • Every page has a meta description

    All 14 pages that loaded have a meta description.

  • Titles are unique

    Every page we checked has its own title.

  • Every page has an H1

    Each page we checked has a main headline.

  • Every page has a title

    All 14 pages that loaded have a <title>.

Best practices

Google 92100
  • 2 low-resolution images

    2 images are served at too low a resolution for sharp phone screens.

3 checks passed
  • No console errors

    No JavaScript errors were logged while the page loaded on a phone.

  • Tap targets are thumb-sized

    6 of 7 tappable elements near the top are at least 24 px.

  • Mobile viewport set

    The page declares a mobile viewport.

Content and conversion

1 to fix94
  • Local business without LocalBusiness data

    Your homepage shows a street address but no LocalBusiness JSON-LD, so Google and AI assistants have to guess your address, hours and phone from the page text.

  • No risk reducer

    No guarantee or risk reducer (money-back, free trial, no credit card) is mentioned, which is often what tips a hesitant visitor.

  • About 390 words of copy

    The homepage carries about 390 words of visible text.

8 checks passed
  • Clear next step on the first screen

    On a phone, the first screen shows a clear next step: “CONTACT NOW”.

  • 39 calls to action

    The homepage has 39 calls to action, for example “Call Now”, “Contact Now” and “Apply Now”.

  • 1 short form

    A short form (5 fields at most) is right on the homepage, asking for an email.

  • Social proof on the page

    Social proof on the homepage: 15 testimonial or review blocks, 4 customer or partner logos, a star rating and 3 trust badges.

  • Analytics in place

    Analytics detected: Google Analytics, Meta Pixel and Cloudflare Web Analytics.

  • Direct contact links

    Visitors can reach you directly: 6 phone links and 0 email links.

  • Opening hours shown

    Your opening hours are on the homepage.

  • Phone number on the homepage

    Your phone number is on the homepage as a tap-to-call link.

Privacy and tracking

1 to fix
  • 4 trackers load before any consent

    4

    Before a visitor clicks anything, the page loads Google Ads, Google Analytics, Google Tag Manager and Meta Pixel (measured from a US location before any click). No consent tool was detected. Visitors from the EU, UK and several US states must be asked first.

  • 5 cookies set on arrival

    5

    Opening the homepage sets 5 cookies (measured from a US location before any click).

  • No consent tool detected

    No known cookie consent tool loads with the page. Some sites build their own banner, and some only show one to visitors from the EU.

  • 12 other companies contacted

    Loading the homepage contacts 12 hosts run by other companies (fonts, scripts, analytics, ads), each of which sees the visitor's IP address.

Security, domain, email and software versions

The security, domain and email checks, software and plugin versions, and any app with a known security problem are visible only to people at techstack.in, because details like these could help someone attack a site. Every review keeps them private, whatever they found.

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